On 12/1/18, Dmitry Dolgov <9erthali...@gmail.com> wrote:
> I see that the author keeps patch updated, but I'm a bit worried because of
> lack of full review since probably May. I'm moving it to the next CF, let's
> see
> if there would be more feedback.
>
> P.S. adding Daniel, since he is assigned as a reviewer.

Having heard nothing in a while, I've removed Daniel as a reviewer to
make room for someone else. He is, of course free to re-add himself.
v8 is attached.

Since it's been a few months since last discussion, I'd like to
summarize the purpose of this patch and advocate for its inclusion in
v12:

1. Correctness
In the intro thread [1], I showed that object comments on some
conversions are wrong, and hard to fix given the current setup. This
is a documentation bug of sorts.

2. Clean-up
Currently, utils/mb/conversion_procs/Makefile has an ad-hoc script to
generate the SQL file, which has to be duplicated in the MSVC tooling,
and executed by initdb.c. Storing the conversions in .dat files
removes the need for any of that.

3. Performance
This patch shaves 5-6% off of initdb. Not as much as hoped, but still
a nice bonus.

[1] 
https://www.postgresql.org/message-id/CAJVSVGWtUqxpfAaxS88vEGvi%2BjKzWZb2EStu5io-UPc4p9rSJg%40mail.gmail.com


--John Naylor
From bdbdb36129708d1d417f8db9009b377c3d4e3e90 Mon Sep 17 00:00:00 2001
From: John Naylor <jcnay...@gmail.com>
Date: Fri, 14 Dec 2018 15:19:54 -0500
Subject: [PATCH v8 1/2] Add pg_language lookup.

This didn't seem worth doing before, but an upcoming commit will add
88 entries to pg_proc whose languge is 'c'. In addition, we can
now use 'internal' in Gen_fmgr.pl instead of looking up the OID.
This simplifies that script and its Makefile a bit.
---
 doc/src/sgml/bki.sgml            |  6 +--
 src/backend/catalog/genbki.pl    |  8 +++
 src/backend/utils/Gen_fmgrtab.pl |  7 ++-
 src/backend/utils/Makefile       |  8 +--
 src/include/catalog/pg_proc.dat  | 92 ++++++++++++++++----------------
 src/include/catalog/pg_proc.h    |  2 +-
 src/tools/msvc/Solution.pm       |  4 +-
 7 files changed, 64 insertions(+), 63 deletions(-)

diff --git a/doc/src/sgml/bki.sgml b/doc/src/sgml/bki.sgml
index 786abb95d4..37bb7a2346 100644
--- a/doc/src/sgml/bki.sgml
+++ b/doc/src/sgml/bki.sgml
@@ -409,8 +409,8 @@
     that's error-prone and hard to understand, so for frequently-referenced
     catalogs, <filename>genbki.pl</filename> provides mechanisms to write
     symbolic references instead.  Currently this is possible for references
-    to access methods, functions, operators, opclasses, opfamilies, and
-    types.  The rules are as follows:
+    to access methods, functions, languages, operators, opclasses, opfamilies,
+    and types.  The rules are as follows:
    </para>
 
    <itemizedlist>
@@ -420,7 +420,7 @@
       Use of symbolic references is enabled in a particular catalog column
       by attaching <literal>BKI_LOOKUP(<replaceable>lookuprule</replaceable>)</literal>
       to the column's definition, where <replaceable>lookuprule</replaceable>
-      is <literal>pg_am</literal>, <literal>pg_proc</literal>,
+      is <literal>pg_am</literal>, <literal>pg_proc</literal>, <literal>pg_language</literal>,
       <literal>pg_operator</literal>, <literal>pg_opclass</literal>,
       <literal>pg_opfamily</literal>, or <literal>pg_type</literal>.
       <literal>BKI_LOOKUP</literal> can be attached to columns of
diff --git a/src/backend/catalog/genbki.pl b/src/backend/catalog/genbki.pl
index 8e2a2480be..8ccfcb7724 100644
--- a/src/backend/catalog/genbki.pl
+++ b/src/backend/catalog/genbki.pl
@@ -182,6 +182,13 @@ foreach my $row (@{ $catalog_data{pg_am} })
 	$amoids{ $row->{amname} } = $row->{oid};
 }
 
+# language OID lookup
+my %langoids;
+foreach my $row (@{ $catalog_data{pg_language} })
+{
+	$langoids{ $row->{lanname} } = $row->{oid};
+}
+
 # opclass OID lookup
 my %opcoids;
 foreach my $row (@{ $catalog_data{pg_opclass} })
@@ -256,6 +263,7 @@ foreach my $row (@{ $catalog_data{pg_type} })
 # Map catalog name to OID lookup.
 my %lookup_kind = (
 	pg_am       => \%amoids,
+	pg_language => \%langoids,
 	pg_opclass  => \%opcoids,
 	pg_operator => \%operoids,
 	pg_opfamily => \%opfoids,
diff --git a/src/backend/utils/Gen_fmgrtab.pl b/src/backend/utils/Gen_fmgrtab.pl
index ed16737a6a..b6809c7277 100644
--- a/src/backend/utils/Gen_fmgrtab.pl
+++ b/src/backend/utils/Gen_fmgrtab.pl
@@ -59,6 +59,8 @@ die "No include path; you must specify -I.\n" if !$include_path;
 # Note: We pass data file names as arguments and then look for matching
 # headers to parse the schema from. This is backwards from genbki.pl,
 # but the Makefile dependencies look more sensible this way.
+# We currently only need pg_proc, but retain the possibility of reading
+# more than one data file.
 my %catalogs;
 my %catalog_data;
 foreach my $datfile (@input_files)
@@ -82,9 +84,6 @@ foreach my $datfile (@input_files)
 my $FirstGenbkiObjectId =
   Catalog::FindDefinedSymbol('access/transam.h', $include_path,
 	'FirstGenbkiObjectId');
-my $INTERNALlanguageId =
-  Catalog::FindDefinedSymbolFromData($catalog_data{pg_language},
-	'INTERNALlanguageId');
 
 # Collect certain fields from pg_proc.dat.
 my @fmgr = ();
@@ -94,7 +93,7 @@ foreach my $row (@{ $catalog_data{pg_proc} })
 	my %bki_values = %$row;
 
 	# Select out just the rows for internal-language procedures.
-	next if $bki_values{prolang} ne $INTERNALlanguageId;
+	next if $bki_values{prolang} ne 'internal';
 
 	push @fmgr,
 	  {
diff --git a/src/backend/utils/Makefile b/src/backend/utils/Makefile
index e797539d09..da40f6b6c4 100644
--- a/src/backend/utils/Makefile
+++ b/src/backend/utils/Makefile
@@ -31,15 +31,11 @@ generated-header-symlinks: $(top_builddir)/src/include/utils/header-stamp $(top_
 
 $(SUBDIRS:%=%-recursive): fmgr-stamp errcodes.h
 
-FMGR_DATA := $(addprefix $(top_srcdir)/src/include/catalog/,\
-	pg_language.dat pg_proc.dat \
-	)
-
 # fmgr-stamp records the last time we ran Gen_fmgrtab.pl.  We don't rely on
 # the timestamps of the individual output files, because the Perl script
 # won't update them if they didn't change (to avoid unnecessary recompiles).
-fmgr-stamp: Gen_fmgrtab.pl $(catalogdir)/Catalog.pm $(FMGR_DATA) $(top_srcdir)/src/include/access/transam.h
-	$(PERL) -I $(catalogdir) $< -I $(top_srcdir)/src/include/ $(FMGR_DATA)
+fmgr-stamp: Gen_fmgrtab.pl $(catalogdir)/Catalog.pm $(top_srcdir)/src/include/catalog/pg_proc.dat $(top_srcdir)/src/include/access/transam.h
+	$(PERL) -I $(catalogdir) $< -I $(top_srcdir)/src/include/ $(top_srcdir)/src/include/catalog/pg_proc.dat
 	touch $@
 
 errcodes.h: $(top_srcdir)/src/backend/utils/errcodes.txt generate-errcodes.pl
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index f79fcfe029..c8c27948f0 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -2210,7 +2210,7 @@
   proname => 'justify_days', prorettype => 'interval',
   proargtypes => 'interval', prosrc => 'interval_justify_days' },
 { oid => '1176', descr => 'convert date and time to timestamp with time zone',
-  proname => 'timestamptz', prolang => '14', provolatile => 's',
+  proname => 'timestamptz', prolang => 'sql', provolatile => 's',
   prorettype => 'timestamptz', proargtypes => 'date time',
   prosrc => 'select cast(($1 + $2) as timestamp with time zone)' },
 { oid => '1178', descr => 'convert timestamp with time zone to date',
@@ -2263,16 +2263,16 @@
   prosrc => 'interval_scale' },
 
 { oid => '1215', descr => 'get description for object id and catalog name',
-  proname => 'obj_description', prolang => '14', procost => '100',
+  proname => 'obj_description', prolang => 'sql', procost => '100',
   provolatile => 's', prorettype => 'text', proargtypes => 'oid name',
   prosrc => 'select description from pg_catalog.pg_description where objoid = $1 and classoid = (select oid from pg_catalog.pg_class where relname = $2 and relnamespace = PGNSP) and objsubid = 0' },
 { oid => '1216', descr => 'get description for table column',
-  proname => 'col_description', prolang => '14', procost => '100',
+  proname => 'col_description', prolang => 'sql', procost => '100',
   provolatile => 's', prorettype => 'text', proargtypes => 'oid int4',
   prosrc => 'select description from pg_catalog.pg_description where objoid = $1 and classoid = \'pg_catalog.pg_class\'::pg_catalog.regclass and objsubid = $2' },
 { oid => '1993',
   descr => 'get description for object id and shared catalog name',
-  proname => 'shobj_description', prolang => '14', procost => '100',
+  proname => 'shobj_description', prolang => 'sql', procost => '100',
   provolatile => 's', prorettype => 'text', proargtypes => 'oid name',
   prosrc => 'select description from pg_catalog.pg_shdescription where objoid = $1 and classoid = (select oid from pg_catalog.pg_class where relname = $2 and relnamespace = PGNSP)' },
 
@@ -2439,13 +2439,13 @@
   prosrc => 'tidsmaller' },
 
 { oid => '1296',
-  proname => 'timedate_pl', prolang => '14', prorettype => 'timestamp',
+  proname => 'timedate_pl', prolang => 'sql', prorettype => 'timestamp',
   proargtypes => 'time date', prosrc => 'select ($2 + $1)' },
 { oid => '1297',
   proname => 'datetimetz_pl', prorettype => 'timestamptz',
   proargtypes => 'date timetz', prosrc => 'datetimetz_timestamptz' },
 { oid => '1298',
-  proname => 'timetzdate_pl', prolang => '14', prorettype => 'timestamptz',
+  proname => 'timetzdate_pl', prolang => 'sql', prorettype => 'timestamptz',
   proargtypes => 'timetz date', prosrc => 'select ($2 + $1)' },
 { oid => '1299', descr => 'current transaction time',
   proname => 'now', provolatile => 's', prorettype => 'timestamptz',
@@ -2487,17 +2487,17 @@
   proargtypes => 'timestamptz timestamptz timestamptz timestamptz',
   prosrc => 'overlaps_timestamp' },
 { oid => '1305', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   provolatile => 's', prorettype => 'bool',
   proargtypes => 'timestamptz interval timestamptz interval',
   prosrc => 'select ($1, ($1 + $2)) overlaps ($3, ($3 + $4))' },
 { oid => '1306', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   provolatile => 's', prorettype => 'bool',
   proargtypes => 'timestamptz timestamptz timestamptz interval',
   prosrc => 'select ($1, $2) overlaps ($3, ($3 + $4))' },
 { oid => '1307', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   provolatile => 's', prorettype => 'bool',
   proargtypes => 'timestamptz interval timestamptz timestamptz',
   prosrc => 'select ($1, ($1 + $2)) overlaps ($3, $4)' },
@@ -2506,15 +2506,15 @@
   proname => 'overlaps', proisstrict => 'f', prorettype => 'bool',
   proargtypes => 'time time time time', prosrc => 'overlaps_time' },
 { oid => '1309', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   prorettype => 'bool', proargtypes => 'time interval time interval',
   prosrc => 'select ($1, ($1 + $2)) overlaps ($3, ($3 + $4))' },
 { oid => '1310', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   prorettype => 'bool', proargtypes => 'time time time interval',
   prosrc => 'select ($1, $2) overlaps ($3, ($3 + $4))' },
 { oid => '1311', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   prorettype => 'bool', proargtypes => 'time interval time time',
   prosrc => 'select ($1, ($1 + $2)) overlaps ($3, $4)' },
 
@@ -2592,7 +2592,7 @@
 # This form of obj_description is now deprecated, since it will fail if
 # OIDs are not unique across system catalogs.  Use the other form instead.
 { oid => '1348', descr => 'deprecated, use two-argument form instead',
-  proname => 'obj_description', prolang => '14', procost => '100',
+  proname => 'obj_description', prolang => 'sql', procost => '100',
   provolatile => 's', prorettype => 'text', proargtypes => 'oid',
   prosrc => 'select description from pg_catalog.pg_description where objoid = $1 and objsubid = 0' },
 
@@ -2676,7 +2676,7 @@
   prosrc => 'textlen' },
 
 { oid => '1384', descr => 'extract field from date',
-  proname => 'date_part', prolang => '14', prorettype => 'float8',
+  proname => 'date_part', prolang => 'sql', prorettype => 'float8',
   proargtypes => 'text date',
   prosrc => 'select pg_catalog.date_part($1, cast($2 as timestamp without time zone))' },
 { oid => '1385', descr => 'extract field from time',
@@ -2684,7 +2684,7 @@
   prosrc => 'time_part' },
 { oid => '1386',
   descr => 'date difference from today preserving months and years',
-  proname => 'age', prolang => '14', provolatile => 's',
+  proname => 'age', prolang => 'sql', provolatile => 's',
   prorettype => 'interval', proargtypes => 'timestamptz',
   prosrc => 'select pg_catalog.age(cast(current_date as timestamp with time zone), $1)' },
 
@@ -2799,7 +2799,7 @@
   proname => 'box_div', prorettype => 'box', proargtypes => 'box point',
   prosrc => 'box_div' },
 { oid => '1426',
-  proname => 'path_contain_pt', prolang => '14', prorettype => 'bool',
+  proname => 'path_contain_pt', prolang => 'sql', prorettype => 'bool',
   proargtypes => 'path point', prosrc => 'select pg_catalog.on_ppath($2, $1)' },
 { oid => '1428',
   proname => 'poly_contain_pt', prorettype => 'bool',
@@ -3059,7 +3059,7 @@
   proname => 'center', prorettype => 'point', proargtypes => 'circle',
   prosrc => 'circle_center' },
 { oid => '1544', descr => 'convert circle to 12-vertex polygon',
-  proname => 'polygon', prolang => '14', prorettype => 'polygon',
+  proname => 'polygon', prolang => 'sql', prorettype => 'polygon',
   proargtypes => 'circle', prosrc => 'select pg_catalog.polygon(12, $1)' },
 { oid => '1545', descr => 'number of points',
   proname => 'npoints', prorettype => 'int4', proargtypes => 'path',
@@ -3326,11 +3326,11 @@
   proname => 'translate', prorettype => 'text', proargtypes => 'text text text',
   prosrc => 'translate' },
 { oid => '879', descr => 'left-pad string to length',
-  proname => 'lpad', prolang => '14', prorettype => 'text',
+  proname => 'lpad', prolang => 'sql', prorettype => 'text',
   proargtypes => 'text int4',
   prosrc => 'select pg_catalog.lpad($1, $2, \' \')' },
 { oid => '880', descr => 'right-pad string to length',
-  proname => 'rpad', prolang => '14', prorettype => 'text',
+  proname => 'rpad', prolang => 'sql', prorettype => 'text',
   proargtypes => 'text int4',
   prosrc => 'select pg_catalog.rpad($1, $2, \' \')' },
 { oid => '881', descr => 'trim spaces from left end of string',
@@ -3915,7 +3915,7 @@
   proname => 'inetpl', prorettype => 'inet', proargtypes => 'inet int8',
   prosrc => 'inetpl' },
 { oid => '2631',
-  proname => 'int8pl_inet', prolang => '14', prorettype => 'inet',
+  proname => 'int8pl_inet', prolang => 'sql', prorettype => 'inet',
   proargtypes => 'int8 inet', prosrc => 'select $2 + $1' },
 { oid => '2632',
   proname => 'inetmi_int8', prorettype => 'inet', proargtypes => 'inet int8',
@@ -4047,13 +4047,13 @@
   proname => 'round', prorettype => 'numeric', proargtypes => 'numeric int4',
   prosrc => 'numeric_round' },
 { oid => '1708', descr => 'value rounded to \'scale\' of zero',
-  proname => 'round', prolang => '14', prorettype => 'numeric',
+  proname => 'round', prolang => 'sql', prorettype => 'numeric',
   proargtypes => 'numeric', prosrc => 'select pg_catalog.round($1,0)' },
 { oid => '1709', descr => 'value truncated to \'scale\'',
   proname => 'trunc', prorettype => 'numeric', proargtypes => 'numeric int4',
   prosrc => 'numeric_trunc' },
 { oid => '1710', descr => 'value truncated to \'scale\' of zero',
-  proname => 'trunc', prolang => '14', prorettype => 'numeric',
+  proname => 'trunc', prolang => 'sql', prorettype => 'numeric',
   proargtypes => 'numeric', prosrc => 'select pg_catalog.trunc($1,0)' },
 { oid => '1711', descr => 'nearest integer >= value',
   proname => 'ceil', prorettype => 'numeric', proargtypes => 'numeric',
@@ -4140,7 +4140,7 @@
   proname => 'numeric', prorettype => 'numeric', proargtypes => 'int4',
   prosrc => 'int4_numeric' },
 { oid => '1741', descr => 'base 10 logarithm',
-  proname => 'log', prolang => '14', prorettype => 'numeric',
+  proname => 'log', prolang => 'sql', prorettype => 'numeric',
   proargtypes => 'numeric', prosrc => 'select pg_catalog.log(10, $1)' },
 { oid => '1742', descr => 'convert float4 to numeric',
   proname => 'numeric', prorettype => 'numeric', proargtypes => 'float4',
@@ -4273,7 +4273,7 @@
   proname => 'quote_literal', prorettype => 'text', proargtypes => 'text',
   prosrc => 'quote_literal' },
 { oid => '1285', descr => 'quote a data value for usage in a querystring',
-  proname => 'quote_literal', prolang => '14', provolatile => 's',
+  proname => 'quote_literal', prolang => 'sql', provolatile => 's',
   prorettype => 'text', proargtypes => 'anyelement',
   prosrc => 'select pg_catalog.quote_literal($1::pg_catalog.text)' },
 { oid => '1289',
@@ -4282,7 +4282,7 @@
   proargtypes => 'text', prosrc => 'quote_nullable' },
 { oid => '1290',
   descr => 'quote a possibly-null data value for usage in a querystring',
-  proname => 'quote_nullable', prolang => '14', proisstrict => 'f',
+  proname => 'quote_nullable', prolang => 'sql', proisstrict => 'f',
   provolatile => 's', prorettype => 'text', proargtypes => 'anyelement',
   prosrc => 'select pg_catalog.quote_nullable($1::pg_catalog.text)' },
 
@@ -4321,13 +4321,13 @@
   prorettype => 'text', proargtypes => 'text', prosrc => 'text_format_nv' },
 
 { oid => '1810', descr => 'length in bits',
-  proname => 'bit_length', prolang => '14', prorettype => 'int4',
+  proname => 'bit_length', prolang => 'sql', prorettype => 'int4',
   proargtypes => 'bytea', prosrc => 'select pg_catalog.octet_length($1) * 8' },
 { oid => '1811', descr => 'length in bits',
-  proname => 'bit_length', prolang => '14', prorettype => 'int4',
+  proname => 'bit_length', prolang => 'sql', prorettype => 'int4',
   proargtypes => 'text', prosrc => 'select pg_catalog.octet_length($1) * 8' },
 { oid => '1812', descr => 'length in bits',
-  proname => 'bit_length', prolang => '14', prorettype => 'int4',
+  proname => 'bit_length', prolang => 'sql', prorettype => 'int4',
   proargtypes => 'bit', prosrc => 'select pg_catalog.length($1)' },
 
 # Selectivity estimators for LIKE and related operators
@@ -4646,7 +4646,7 @@
   prosrc => 'to_ascii_encname' },
 
 { oid => '1848',
-  proname => 'interval_pl_time', prolang => '14', prorettype => 'time',
+  proname => 'interval_pl_time', prolang => 'sql', prorettype => 'time',
   proargtypes => 'interval time', prosrc => 'select $2 + $1' },
 
 { oid => '1850',
@@ -5426,11 +5426,11 @@
   proargtypes => 'timetz int4', prosrc => 'timetz_scale' },
 
 { oid => '2003',
-  proname => 'textanycat', prolang => '14', provolatile => 's',
+  proname => 'textanycat', prolang => 'sql', provolatile => 's',
   prorettype => 'text', proargtypes => 'text anynonarray',
   prosrc => 'select $1 || $2::pg_catalog.text' },
 { oid => '2004',
-  proname => 'anytextcat', prolang => '14', provolatile => 's',
+  proname => 'anytextcat', prolang => 'sql', provolatile => 's',
   prorettype => 'text', proargtypes => 'anynonarray text',
   prosrc => 'select $1::pg_catalog.text || $2' },
 
@@ -5530,15 +5530,15 @@
   proargtypes => 'timestamp timestamp timestamp timestamp',
   prosrc => 'overlaps_timestamp' },
 { oid => '2042', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   prorettype => 'bool', proargtypes => 'timestamp interval timestamp interval',
   prosrc => 'select ($1, ($1 + $2)) overlaps ($3, ($3 + $4))' },
 { oid => '2043', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   prorettype => 'bool', proargtypes => 'timestamp timestamp timestamp interval',
   prosrc => 'select ($1, $2) overlaps ($3, ($3 + $4))' },
 { oid => '2044', descr => 'intervals overlap?',
-  proname => 'overlaps', prolang => '14', proisstrict => 'f',
+  proname => 'overlaps', prolang => 'sql', proisstrict => 'f',
   prorettype => 'bool', proargtypes => 'timestamp interval timestamp timestamp',
   prosrc => 'select ($1, ($1 + $2)) overlaps ($3, $4)' },
 { oid => '2045', descr => 'less-equal-greater',
@@ -5604,7 +5604,7 @@
   proargtypes => 'timestamp timestamp', prosrc => 'timestamp_age' },
 { oid => '2059',
   descr => 'date difference from today preserving months and years',
-  proname => 'age', prolang => '14', provolatile => 's',
+  proname => 'age', prolang => 'sql', provolatile => 's',
   prorettype => 'interval', proargtypes => 'timestamp',
   prosrc => 'select pg_catalog.age(cast(current_date as timestamp without time zone), $1)' },
 
@@ -5627,7 +5627,7 @@
   proname => 'substring', prorettype => 'text', proargtypes => 'text text',
   prosrc => 'textregexsubstr' },
 { oid => '2074', descr => 'extract text matching SQL99 regular expression',
-  proname => 'substring', prolang => '14', prorettype => 'text',
+  proname => 'substring', prolang => 'sql', prorettype => 'text',
   proargtypes => 'text text text',
   prosrc => 'select pg_catalog.substring($1, pg_catalog.similar_escape($2, $3))' },
 
@@ -5966,11 +5966,11 @@
   proname => 'pg_sleep', provolatile => 'v', prorettype => 'void',
   proargtypes => 'float8', prosrc => 'pg_sleep' },
 { oid => '3935', descr => 'sleep for the specified interval',
-  proname => 'pg_sleep_for', prolang => '14', provolatile => 'v',
+  proname => 'pg_sleep_for', prolang => 'sql', provolatile => 'v',
   prorettype => 'void', proargtypes => 'interval',
   prosrc => 'select pg_catalog.pg_sleep(extract(epoch from pg_catalog.clock_timestamp() operator(pg_catalog.+) $1) operator(pg_catalog.-) extract(epoch from pg_catalog.clock_timestamp()))' },
 { oid => '3936', descr => 'sleep until the specified time',
-  proname => 'pg_sleep_until', prolang => '14', provolatile => 'v',
+  proname => 'pg_sleep_until', prolang => 'sql', provolatile => 'v',
   prorettype => 'void', proargtypes => 'timestamptz',
   prosrc => 'select pg_catalog.pg_sleep(extract(epoch from $1) operator(pg_catalog.-) extract(epoch from pg_catalog.clock_timestamp()))' },
 { oid => '315', descr => 'Is JIT compilation available in this session?',
@@ -6765,7 +6765,7 @@
   proargtypes => 'name', prosrc => 'pg_database_size_name' },
 { oid => '2325',
   descr => 'disk space usage for the main fork of the specified table or index',
-  proname => 'pg_relation_size', prolang => '14', provolatile => 'v',
+  proname => 'pg_relation_size', prolang => 'sql', provolatile => 'v',
   prorettype => 'int8', proargtypes => 'regclass',
   prosrc => 'select pg_catalog.pg_relation_size($1, \'main\')' },
 { oid => '2332',
@@ -7586,21 +7586,21 @@
 
 # formerly-missing interval + datetime operators
 { oid => '2546',
-  proname => 'interval_pl_date', prolang => '14', prorettype => 'timestamp',
+  proname => 'interval_pl_date', prolang => 'sql', prorettype => 'timestamp',
   proargtypes => 'interval date', prosrc => 'select $2 + $1' },
 { oid => '2547',
-  proname => 'interval_pl_timetz', prolang => '14', prorettype => 'timetz',
+  proname => 'interval_pl_timetz', prolang => 'sql', prorettype => 'timetz',
   proargtypes => 'interval timetz', prosrc => 'select $2 + $1' },
 { oid => '2548',
-  proname => 'interval_pl_timestamp', prolang => '14',
+  proname => 'interval_pl_timestamp', prolang => 'sql',
   prorettype => 'timestamp', proargtypes => 'interval timestamp',
   prosrc => 'select $2 + $1' },
 { oid => '2549',
-  proname => 'interval_pl_timestamptz', prolang => '14', provolatile => 's',
+  proname => 'interval_pl_timestamptz', prolang => 'sql', provolatile => 's',
   prorettype => 'timestamptz', proargtypes => 'interval timestamptz',
   prosrc => 'select $2 + $1' },
 { oid => '2550',
-  proname => 'integer_pl_date', prolang => '14', prorettype => 'date',
+  proname => 'integer_pl_date', prolang => 'sql', prorettype => 'date',
   proargtypes => 'int4 date', prosrc => 'select $2 + $1' },
 
 { oid => '2556', descr => 'get OIDs of databases in a tablespace',
@@ -7985,7 +7985,7 @@
   proname => 'xpath', prorettype => '_xml', proargtypes => 'text xml _text',
   prosrc => 'xpath' },
 { oid => '2932', descr => 'evaluate XPath expression',
-  proname => 'xpath', prolang => '14', prorettype => '_xml',
+  proname => 'xpath', prolang => 'sql', prorettype => '_xml',
   proargtypes => 'text xml',
   prosrc => 'select pg_catalog.xpath($1, $2, \'{}\'::pg_catalog.text[])' },
 
@@ -7998,7 +7998,7 @@
   proname => 'xpath_exists', prorettype => 'bool',
   proargtypes => 'text xml _text', prosrc => 'xpath_exists' },
 { oid => '3050', descr => 'test XML value against XPath expression',
-  proname => 'xpath_exists', prolang => '14', prorettype => 'bool',
+  proname => 'xpath_exists', prolang => 'sql', prorettype => 'bool',
   proargtypes => 'text xml',
   prosrc => 'select pg_catalog.xpath_exists($1, $2, \'{}\'::pg_catalog.text[])' },
 { oid => '3051', descr => 'determine if a string is well formed XML',
diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h
index b25dec6c31..498afd0bdb 100644
--- a/src/include/catalog/pg_proc.h
+++ b/src/include/catalog/pg_proc.h
@@ -42,7 +42,7 @@ CATALOG(pg_proc,1255,ProcedureRelationId) BKI_BOOTSTRAP BKI_ROWTYPE_OID(81,Proce
 	Oid			proowner BKI_DEFAULT(PGUID);
 
 	/* OID of pg_language entry */
-	Oid			prolang BKI_DEFAULT(12);
+	Oid			prolang BKI_DEFAULT(internal) BKI_LOOKUP(pg_language);
 
 	/* estimated execution cost */
 	float4		procost BKI_DEFAULT(1);
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index 0b7cdf8dd5..eb2346b8d3 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -269,16 +269,14 @@ sub GenerateFiles
 		"LIBPGTYPES");
 
 	chdir('src/backend/utils');
-	my $pg_language_dat = '../../../src/include/catalog/pg_language.dat';
 	my $pg_proc_dat     = '../../../src/include/catalog/pg_proc.dat';
 	if (   IsNewer('fmgr-stamp', 'Gen_fmgrtab.pl')
 		|| IsNewer('fmgr-stamp', '../catalog/Catalog.pm')
-		|| IsNewer('fmgr-stamp', $pg_language_dat)
 		|| IsNewer('fmgr-stamp', $pg_proc_dat)
 		|| IsNewer('fmgr-stamp', '../../../src/include/access/transam.h'))
 	{
 		system(
-			"perl -I ../catalog Gen_fmgrtab.pl -I../../../src/include/ $pg_language_dat $pg_proc_dat"
+			"perl -I ../catalog Gen_fmgrtab.pl -I../../../src/include/ $pg_proc_dat"
 		);
 		open(my $f, '>', 'fmgr-stamp')
 		  || confess "Could not touch fmgr-stamp";
-- 
2.17.1

From d8654e82da8012761c67ae8b04ad3c1c079f4a71 Mon Sep 17 00:00:00 2001
From: John Naylor <jcnay...@gmail.com>
Date: Fri, 14 Dec 2018 15:44:10 -0500
Subject: [PATCH v8 2/2] Replace ad hoc format for conversion functions

Convert info for conversion functions into entries in pg_proc.dat
and the new file pg_conversion.dat. This fixes incorrect comments
on some functions, simplifies some build files, and shaves a few
tens of milliseconds off of initdb.

Functional changes:
1. Conversions are now pinned.
2. The functions are now declared IMMUTABLE (previously VOLATILE, the
default).

Neither of these new behaviors are necessary for the patch, but they
make sense, and it seems the previous state of affairs was accidental.
---
 src/backend/catalog/genbki.pl                 |  47 +-
 .../utils/mb/conversion_procs/Makefile        | 177 +-------
 src/bin/initdb/initdb.c                       |  26 --
 src/include/catalog/genbki.h                  |   5 +-
 src/include/catalog/pg_conversion.dat         | 417 ++++++++++++++++++
 src/include/catalog/pg_conversion.h           |  51 ++-
 src/include/catalog/pg_proc.dat               | 410 ++++++++++++++++-
 src/test/regress/expected/misc_sanity.out     |   1 -
 src/tools/msvc/Install.pm                     |  39 --
 9 files changed, 909 insertions(+), 264 deletions(-)
 create mode 100644 src/include/catalog/pg_conversion.dat

diff --git a/src/backend/catalog/genbki.pl b/src/backend/catalog/genbki.pl
index 8ccfcb7724..c42c1563aa 100644
--- a/src/backend/catalog/genbki.pl
+++ b/src/backend/catalog/genbki.pl
@@ -40,6 +40,10 @@ while (@ARGV)
 	{
 		$output_path = length($arg) > 2 ? substr($arg, 2) : shift @ARGV;
 	}
+	elsif ($arg =~ /^-I/)
+	{
+		$include_path = length($arg) > 2 ? substr($arg, 2) : shift @ARGV;
+	}
 	elsif ($arg =~ /^--set-version=(.*)$/)
 	{
 		$major_version = $1;
@@ -57,11 +61,15 @@ die "No input files.\n" if !@input_files;
 die "--set-version must be specified.\n" if !defined $major_version;
 die "-I, the header include path, must be specified.\n" if !$include_path;
 
-# Make sure output_path ends in a slash.
+# Make sure paths ends in a slash.
 if ($output_path ne '' && substr($output_path, -1) ne '/')
 {
 	$output_path .= '/';
 }
+if (substr($include_path, -1) ne '/')
+{
+	$include_path .= '/';
+}
 
 # Read all the files into internal data structures.
 my @catnames;
@@ -172,8 +180,35 @@ my $PG_CATALOG_NAMESPACE =
 	'PG_CATALOG_NAMESPACE');
 
 
-# Build lookup tables for OID macro substitutions and for pg_attribute
-# copies of pg_type values.
+# Build lookup tables.
+
+# Encoding identifier lookup. This uses the same machinery as for OIDs.
+my %encids;
+my $collect_encodings = 0;
+
+my $encfile = $include_path . 'mb/pg_wchar.h';
+open(my $ef, '<', $encfile) || die "$encfile: $!";
+
+# We're parsing an enum, so start with 0 and increment
+# every time we find an enum member.
+my $encid = 0;
+while (<$ef>)
+{
+	if (/typedef\s+enum\s+pg_enc/)
+	{
+		$collect_encodings = 1;
+		next;
+	}
+
+	last if /_PG_LAST_ENCODING_/;
+
+	if ($collect_encodings and /^\s+(PG_\w+)/)
+	{
+		$encids{$1} = $encid;
+		$encid++;
+	}
+}
+close $ef;
 
 # index access method OID lookup
 my %amoids;
@@ -256,12 +291,16 @@ my %typeoids;
 my %types;
 foreach my $row (@{ $catalog_data{pg_type} })
 {
+	# for OID macro substitutions
 	$typeoids{ $row->{typname} } = $row->{oid};
+
+	# for pg_attribute copies of pg_type values
 	$types{ $row->{typname} }    = $row;
 }
 
-# Map catalog name to OID lookup.
+# Map lookup name to the corresponding hash table.
 my %lookup_kind = (
+	encoding    => \%encids,
 	pg_am       => \%amoids,
 	pg_language => \%langoids,
 	pg_opclass  => \%opcoids,
diff --git a/src/backend/utils/mb/conversion_procs/Makefile b/src/backend/utils/mb/conversion_procs/Makefile
index 879467ea5e..9669fbb9d4 100644
--- a/src/backend/utils/mb/conversion_procs/Makefile
+++ b/src/backend/utils/mb/conversion_procs/Makefile
@@ -1,10 +1,11 @@
 #-------------------------------------------------------------------------
 #
-# Makefile--
-#    Makefile for utils/mb/conversion_procs
+# Makefile for utils/mb/conversion_procs
 #
-# IDENTIFICATION
-#    src/backend/utils/mb/conversion_procs/Makefile
+# Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
+# Portions Copyright (c) 1994, Regents of the University of California
+#
+# src/backend/utils/mb/conversion_procs/Makefile
 #
 #-------------------------------------------------------------------------
 
@@ -12,8 +13,6 @@ subdir = src/backend/utils/mb/conversion_procs
 top_builddir = ../../../../..
 include $(top_builddir)/src/Makefile.global
 
-SQLSCRIPT = conversion_create.sql
-
 SUBDIRS = \
 	ascii_and_mic cyrillic_and_mic euc_cn_and_mic euc_jp_and_sjis \
 	euc_kr_and_mic euc_tw_and_big5 latin2_and_win1250 latin_and_mic \
@@ -25,170 +24,4 @@ SUBDIRS = \
 
 $(recurse)
 
-# conversion_name source_encoding destination_encoding function object
-CONVERSIONS = \
-		ascii_to_mic	SQL_ASCII MULE_INTERNAL ascii_to_mic ascii_and_mic \
-		mic_to_ascii	MULE_INTERNAL SQL_ASCII mic_to_ascii ascii_and_mic \
-		koi8_r_to_mic	KOI8R MULE_INTERNAL koi8r_to_mic cyrillic_and_mic \
-		mic_to_koi8_r	MULE_INTERNAL KOI8R mic_to_koi8r cyrillic_and_mic \
-		iso_8859_5_to_mic	ISO-8859-5 MULE_INTERNAL iso_to_mic cyrillic_and_mic \
-		mic_to_iso_8859_5	MULE_INTERNAL ISO-8859-5 mic_to_iso cyrillic_and_mic \
-		windows_1251_to_mic	WIN1251 MULE_INTERNAL win1251_to_mic cyrillic_and_mic \
-		mic_to_windows_1251	MULE_INTERNAL WIN1251 mic_to_win1251 cyrillic_and_mic \
-		windows_866_to_mic	WIN866 MULE_INTERNAL win866_to_mic cyrillic_and_mic \
-		mic_to_windows_866	MULE_INTERNAL WIN866 mic_to_win866 cyrillic_and_mic \
-		koi8_r_to_windows_1251   KOI8R WIN1251 koi8r_to_win1251 cyrillic_and_mic \
-		windows_1251_to_koi8_r   WIN1251 KOI8R win1251_to_koi8r cyrillic_and_mic \
-		koi8_r_to_windows_866	KOI8R WIN866 koi8r_to_win866 cyrillic_and_mic \
-		windows_866_to_koi8_r	WIN866 KOI8R win866_to_koi8r cyrillic_and_mic \
-		windows_866_to_windows_1251	WIN866 WIN1251 win866_to_win1251 cyrillic_and_mic \
-		windows_1251_to_windows_866	WIN1251	WIN866 win1251_to_win866 cyrillic_and_mic \
-		iso_8859_5_to_koi8_r	ISO-8859-5 KOI8R iso_to_koi8r cyrillic_and_mic \
-		koi8_r_to_iso_8859_5	KOI8R ISO-8859-5 koi8r_to_iso cyrillic_and_mic \
-		iso_8859_5_to_windows_1251	ISO-8859-5 WIN1251 iso_to_win1251 cyrillic_and_mic \
-		windows_1251_to_iso_8859_5	WIN1251 ISO-8859-5 win1251_to_iso cyrillic_and_mic \
-		iso_8859_5_to_windows_866	ISO-8859-5 WIN866 iso_to_win866 cyrillic_and_mic \
-		windows_866_to_iso_8859_5	WIN866 ISO-8859-5 win866_to_iso cyrillic_and_mic \
-		euc_cn_to_mic	EUC_CN MULE_INTERNAL euc_cn_to_mic euc_cn_and_mic \
-		mic_to_euc_cn	MULE_INTERNAL EUC_CN mic_to_euc_cn euc_cn_and_mic \
-		euc_jp_to_sjis	EUC_JP SJIS euc_jp_to_sjis euc_jp_and_sjis \
-		sjis_to_euc_jp	SJIS EUC_JP sjis_to_euc_jp euc_jp_and_sjis \
-		euc_jp_to_mic	EUC_JP MULE_INTERNAL euc_jp_to_mic euc_jp_and_sjis \
-		sjis_to_mic	SJIS MULE_INTERNAL sjis_to_mic euc_jp_and_sjis \
-		mic_to_euc_jp	MULE_INTERNAL EUC_JP mic_to_euc_jp euc_jp_and_sjis \
-		mic_to_sjis	MULE_INTERNAL SJIS mic_to_sjis euc_jp_and_sjis \
-		euc_kr_to_mic	EUC_KR MULE_INTERNAL euc_kr_to_mic euc_kr_and_mic \
-		mic_to_euc_kr	MULE_INTERNAL EUC_KR mic_to_euc_kr euc_kr_and_mic \
-		euc_tw_to_big5	EUC_TW BIG5 euc_tw_to_big5 euc_tw_and_big5 \
-		big5_to_euc_tw	BIG5 EUC_TW big5_to_euc_tw euc_tw_and_big5 \
-		euc_tw_to_mic	EUC_TW MULE_INTERNAL euc_tw_to_mic euc_tw_and_big5 \
-		big5_to_mic	BIG5 MULE_INTERNAL big5_to_mic euc_tw_and_big5 \
-		mic_to_euc_tw	MULE_INTERNAL EUC_TW mic_to_euc_tw euc_tw_and_big5 \
-		mic_to_big5	MULE_INTERNAL BIG5 mic_to_big5 euc_tw_and_big5 \
-		iso_8859_2_to_mic	LATIN2 MULE_INTERNAL latin2_to_mic latin2_and_win1250 \
-		mic_to_iso_8859_2	MULE_INTERNAL LATIN2 mic_to_latin2 latin2_and_win1250 \
-		windows_1250_to_mic	WIN1250 MULE_INTERNAL win1250_to_mic latin2_and_win1250 \
-		mic_to_windows_1250	MULE_INTERNAL WIN1250 mic_to_win1250 latin2_and_win1250 \
-		iso_8859_2_to_windows_1250  LATIN2 WIN1250 latin2_to_win1250 latin2_and_win1250 \
-		windows_1250_to_iso_8859_2  WIN1250 LATIN2 win1250_to_latin2 latin2_and_win1250 \
-		iso_8859_1_to_mic	LATIN1 MULE_INTERNAL latin1_to_mic latin_and_mic \
-		mic_to_iso_8859_1	MULE_INTERNAL LATIN1 mic_to_latin1 latin_and_mic \
-		iso_8859_3_to_mic	LATIN3 MULE_INTERNAL latin3_to_mic latin_and_mic \
-		mic_to_iso_8859_3	MULE_INTERNAL LATIN3 mic_to_latin3 latin_and_mic \
-		iso_8859_4_to_mic	LATIN4 MULE_INTERNAL latin4_to_mic latin_and_mic \
-		mic_to_iso_8859_4	MULE_INTERNAL LATIN4 mic_to_latin4 latin_and_mic \
-		ascii_to_utf8 SQL_ASCII UTF8 ascii_to_utf8 utf8_and_ascii \
-		utf8_to_ascii UTF8 SQL_ASCII utf8_to_ascii utf8_and_ascii \
-		big5_to_utf8 BIG5 UTF8 big5_to_utf8 utf8_and_big5 \
-		utf8_to_big5 UTF8 BIG5 utf8_to_big5 utf8_and_big5 \
-		utf8_to_koi8_r	UTF8 KOI8R utf8_to_koi8r utf8_and_cyrillic \
-		koi8_r_to_utf8	KOI8R UTF8 koi8r_to_utf8 utf8_and_cyrillic \
-		utf8_to_koi8_u	UTF8 KOI8U utf8_to_koi8u utf8_and_cyrillic \
-		koi8_u_to_utf8	KOI8U UTF8 koi8u_to_utf8 utf8_and_cyrillic \
-		utf8_to_windows_866 UTF8 WIN866 utf8_to_win utf8_and_win \
-		windows_866_to_utf8 WIN866 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_874 UTF8 WIN874 utf8_to_win utf8_and_win \
-		windows_874_to_utf8 WIN874 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1250 UTF8 WIN1250 utf8_to_win utf8_and_win \
-		windows_1250_to_utf8 WIN1250 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1251 UTF8 WIN1251 utf8_to_win utf8_and_win \
-		windows_1251_to_utf8 WIN1251 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1252 UTF8 WIN1252 utf8_to_win utf8_and_win \
-		windows_1252_to_utf8 WIN1252 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1253 UTF8 WIN1253 utf8_to_win utf8_and_win \
-		windows_1253_to_utf8 WIN1253 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1254 UTF8 WIN1254 utf8_to_win utf8_and_win \
-		windows_1254_to_utf8 WIN1254 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1255 UTF8 WIN1255 utf8_to_win utf8_and_win \
-		windows_1255_to_utf8 WIN1255 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1256 UTF8 WIN1256 utf8_to_win utf8_and_win \
-		windows_1256_to_utf8 WIN1256 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1257 UTF8 WIN1257 utf8_to_win utf8_and_win \
-		windows_1257_to_utf8 WIN1257 UTF8 win_to_utf8 utf8_and_win \
-		utf8_to_windows_1258 UTF8 WIN1258 utf8_to_win utf8_and_win \
-		windows_1258_to_utf8 WIN1258 UTF8 win_to_utf8 utf8_and_win \
-		euc_cn_to_utf8 EUC_CN UTF8 euc_cn_to_utf8 utf8_and_euc_cn \
-		utf8_to_euc_cn UTF8 EUC_CN utf8_to_euc_cn utf8_and_euc_cn \
-		euc_jp_to_utf8 EUC_JP UTF8 euc_jp_to_utf8 utf8_and_euc_jp \
-		utf8_to_euc_jp UTF8 EUC_JP utf8_to_euc_jp utf8_and_euc_jp \
-		euc_kr_to_utf8 EUC_KR UTF8 euc_kr_to_utf8 utf8_and_euc_kr \
-		utf8_to_euc_kr UTF8 EUC_KR utf8_to_euc_kr utf8_and_euc_kr \
-		euc_tw_to_utf8 EUC_TW UTF8 euc_tw_to_utf8 utf8_and_euc_tw \
-		utf8_to_euc_tw UTF8 EUC_TW utf8_to_euc_tw utf8_and_euc_tw \
-		gb18030_to_utf8 GB18030 UTF8 gb18030_to_utf8 utf8_and_gb18030 \
-		utf8_to_gb18030 UTF8 GB18030 utf8_to_gb18030 utf8_and_gb18030 \
-		gbk_to_utf8 GBK UTF8 gbk_to_utf8 utf8_and_gbk \
-		utf8_to_gbk UTF8 GBK utf8_to_gbk utf8_and_gbk \
-		utf8_to_iso_8859_2 UTF8 LATIN2 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_2_to_utf8 LATIN2 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_3 UTF8 LATIN3 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_3_to_utf8 LATIN3 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_4 UTF8 LATIN4 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_4_to_utf8 LATIN4 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_9 UTF8 LATIN5 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_9_to_utf8 LATIN5 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_10 UTF8 LATIN6 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_10_to_utf8 LATIN6 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_13 UTF8 LATIN7 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_13_to_utf8 LATIN7 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_14 UTF8 LATIN8 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_14_to_utf8 LATIN8 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_15 UTF8 LATIN9 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_15_to_utf8 LATIN9 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_16 UTF8 LATIN10 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_16_to_utf8 LATIN10 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_5 UTF8 ISO-8859-5 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_5_to_utf8 ISO-8859-5 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_6 UTF8 ISO-8859-6 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_6_to_utf8 ISO-8859-6 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_7 UTF8 ISO-8859-7 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_7_to_utf8 ISO-8859-7 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		utf8_to_iso_8859_8 UTF8 ISO-8859-8 utf8_to_iso8859 utf8_and_iso8859 \
-		iso_8859_8_to_utf8 ISO-8859-8 UTF8 iso8859_to_utf8 utf8_and_iso8859 \
-		iso_8859_1_to_utf8 LATIN1 UTF8 iso8859_1_to_utf8 utf8_and_iso8859_1 \
-		utf8_to_iso_8859_1 UTF8 LATIN1 utf8_to_iso8859_1 utf8_and_iso8859_1 \
-		johab_to_utf8 JOHAB UTF8 johab_to_utf8 utf8_and_johab \
-		utf8_to_johab UTF8 JOHAB utf8_to_johab utf8_and_johab \
-		sjis_to_utf8 SJIS UTF8 sjis_to_utf8 utf8_and_sjis \
-		utf8_to_sjis UTF8 SJIS utf8_to_sjis utf8_and_sjis \
-		uhc_to_utf8 UHC UTF8 uhc_to_utf8 utf8_and_uhc \
-		utf8_to_uhc UTF8 UHC utf8_to_uhc utf8_and_uhc \
-		euc_jis_2004_to_utf8 EUC_JIS_2004 UTF8 euc_jis_2004_to_utf8 utf8_and_euc2004 \
-		utf8_to_euc_jis_2004 UTF8 EUC_JIS_2004 utf8_to_euc_jis_2004 utf8_and_euc2004 \
-		shift_jis_2004_to_utf8 SHIFT_JIS_2004 UTF8 shift_jis_2004_to_utf8 utf8_and_sjis2004 \
-		utf8_to_shift_jis_2004 UTF8 SHIFT_JIS_2004 utf8_to_shift_jis_2004 utf8_and_sjis2004 \
-		euc_jis_2004_to_shift_jis_2004 EUC_JIS_2004 SHIFT_JIS_2004 euc_jis_2004_to_shift_jis_2004 euc2004_sjis2004 \
-		shift_jis_2004_to_euc_jis_2004 SHIFT_JIS_2004 EUC_JIS_2004 shift_jis_2004_to_euc_jis_2004 euc2004_sjis2004
-
-all: $(SQLSCRIPT)
-
-$(SQLSCRIPT): Makefile
-	@set -e; \
-	set $(CONVERSIONS) ; \
-	while [ "$$#" -gt 0 ] ; \
-	do \
-		name=$$1;shift; \
-		se=$$1;shift; \
-		de=$$1; shift; \
-		func=$$1; shift; \
-		obj=$$1; shift; \
-		echo "-- $$se --> $$de"; \
-		echo "CREATE OR REPLACE FUNCTION $$func (INTEGER, INTEGER, CSTRING, INTERNAL, INTEGER) RETURNS VOID AS '$$"libdir"/$$obj', '$$func' LANGUAGE C STRICT PARALLEL SAFE;"; \
-	        echo "COMMENT ON FUNCTION $$func(INTEGER, INTEGER, CSTRING, INTERNAL, INTEGER) IS 'internal conversion function for $$se to $$de';"; \
-		echo "DROP CONVERSION pg_catalog.$$name;"; \
-		echo "CREATE DEFAULT CONVERSION pg_catalog.$$name FOR '$$se' TO '$$de' FROM $$func;"; \
-	        echo "COMMENT ON CONVERSION pg_catalog.$$name IS 'conversion for $$se to $$de';"; \
-		echo; \
-	done > $@
-
-install: $(SQLSCRIPT) installdirs
-	$(INSTALL_DATA) $(SQLSCRIPT) '$(DESTDIR)$(datadir)'
-
-installdirs:
-	$(MKDIR_P) '$(DESTDIR)$(datadir)' '$(DESTDIR)$(pkglibdir)'
-
-uninstall:
-	rm -f '$(DESTDIR)$(datadir)/$(SQLSCRIPT)'
 
-clean distclean maintainer-clean:
-	rm -f $(SQLSCRIPT)
diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 211a96380e..e378a9a095 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -155,7 +155,6 @@ static char *shdesc_file;
 static char *hba_file;
 static char *ident_file;
 static char *conf_file;
-static char *conversion_file;
 static char *dictionary_file;
 static char *info_schema_file;
 static char *features_file;
@@ -254,7 +253,6 @@ static void setup_depend(FILE *cmdfd);
 static void setup_sysviews(FILE *cmdfd);
 static void setup_description(FILE *cmdfd);
 static void setup_collation(FILE *cmdfd);
-static void setup_conversion(FILE *cmdfd);
 static void setup_dictionary(FILE *cmdfd);
 static void setup_privileges(FILE *cmdfd);
 static void set_info_version(void);
@@ -1774,26 +1772,6 @@ setup_collation(FILE *cmdfd)
 	PG_CMD_PUTS("SELECT pg_import_system_collations('pg_catalog');\n\n");
 }
 
-/*
- * load conversion functions
- */
-static void
-setup_conversion(FILE *cmdfd)
-{
-	char	  **line;
-	char	  **conv_lines;
-
-	conv_lines = readfile(conversion_file);
-	for (line = conv_lines; *line != NULL; line++)
-	{
-		if (strstr(*line, "DROP CONVERSION") != *line)
-			PG_CMD_PUTS(*line);
-		free(*line);
-	}
-
-	free(conv_lines);
-}
-
 /*
  * load extra dictionaries (Snowball stemmers)
  */
@@ -2679,7 +2657,6 @@ setup_data_file_paths(void)
 	set_input(&hba_file, "pg_hba.conf.sample");
 	set_input(&ident_file, "pg_ident.conf.sample");
 	set_input(&conf_file, "postgresql.conf.sample");
-	set_input(&conversion_file, "conversion_create.sql");
 	set_input(&dictionary_file, "snowball_create.sql");
 	set_input(&info_schema_file, "information_schema.sql");
 	set_input(&features_file, "sql_features.txt");
@@ -2710,7 +2687,6 @@ setup_data_file_paths(void)
 	check_input(hba_file);
 	check_input(ident_file);
 	check_input(conf_file);
-	check_input(conversion_file);
 	check_input(dictionary_file);
 	check_input(info_schema_file);
 	check_input(features_file);
@@ -3070,8 +3046,6 @@ initialize_data_directory(void)
 
 	setup_collation(cmdfd);
 
-	setup_conversion(cmdfd);
-
 	setup_dictionary(cmdfd);
 
 	setup_privileges(cmdfd);
diff --git a/src/include/catalog/genbki.h b/src/include/catalog/genbki.h
index c6a7feac24..1ace1d36a7 100644
--- a/src/include/catalog/genbki.h
+++ b/src/include/catalog/genbki.h
@@ -35,7 +35,10 @@
 #define BKI_DEFAULT(value)
 /* Specifies a default value for auto-generated array types */
 #define BKI_ARRAY_DEFAULT(value)
-/* Indicates how to perform name lookups for an OID or OID-array field */
+/*
+ * Indicates how to perform name lookups, typically for an OID or
+ * OID-array field
+ */
 #define BKI_LOOKUP(catalog)
 
 /* The following are never defined; they are here only for documentation. */
diff --git a/src/include/catalog/pg_conversion.dat b/src/include/catalog/pg_conversion.dat
new file mode 100644
index 0000000000..fc5efe3218
--- /dev/null
+++ b/src/include/catalog/pg_conversion.dat
@@ -0,0 +1,417 @@
+#----------------------------------------------------------------------
+#
+# pg_conversion.dat
+#    Initial contents of the pg_conversion system catalog.
+#
+# Portions Copyright (c) 1996-2018, PostgreSQL Global Development Group
+# Portions Copyright (c) 1994, Regents of the University of California
+#
+# src/include/catalog/pg_conversion.dat
+#
+#----------------------------------------------------------------------
+
+# Note: conforencoding and contoencoding must match the spelling of
+# the labels used in the enum pg_enc in mb/pg_wchar.h.
+
+[
+
+{ oid => '4800', descr => 'conversion for SQL_ASCII to MULE_INTERNAL',
+  conname => 'ascii_to_mic', conforencoding => 'PG_SQL_ASCII',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'ascii_to_mic' },
+{ oid => '4801', descr => 'conversion for MULE_INTERNAL to SQL_ASCII',
+  conname => 'mic_to_ascii', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_SQL_ASCII', conproc => 'mic_to_ascii' },
+{ oid => '4802', descr => 'conversion for KOI8R to MULE_INTERNAL',
+  conname => 'koi8_r_to_mic', conforencoding => 'PG_KOI8R',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'koi8r_to_mic' },
+{ oid => '4803', descr => 'conversion for MULE_INTERNAL to KOI8R',
+  conname => 'mic_to_koi8_r', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_KOI8R', conproc => 'mic_to_koi8r' },
+{ oid => '4804', descr => 'conversion for ISO-8859-5 to MULE_INTERNAL',
+  conname => 'iso_8859_5_to_mic', conforencoding => 'PG_ISO_8859_5',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'iso_to_mic' },
+{ oid => '4805', descr => 'conversion for MULE_INTERNAL to ISO-8859-5',
+  conname => 'mic_to_iso_8859_5', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_ISO_8859_5', conproc => 'mic_to_iso' },
+{ oid => '4806', descr => 'conversion for WIN1251 to MULE_INTERNAL',
+  conname => 'windows_1251_to_mic', conforencoding => 'PG_WIN1251',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'win1251_to_mic' },
+{ oid => '4807', descr => 'conversion for MULE_INTERNAL to WIN1251',
+  conname => 'mic_to_windows_1251', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_WIN1251', conproc => 'mic_to_win1251' },
+{ oid => '4808', descr => 'conversion for WIN866 to MULE_INTERNAL',
+  conname => 'windows_866_to_mic', conforencoding => 'PG_WIN866',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'win866_to_mic' },
+{ oid => '4809', descr => 'conversion for MULE_INTERNAL to WIN866',
+  conname => 'mic_to_windows_866', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_WIN866', conproc => 'mic_to_win866' },
+{ oid => '4810', descr => 'conversion for KOI8R to WIN1251',
+  conname => 'koi8_r_to_windows_1251', conforencoding => 'PG_KOI8R',
+  contoencoding => 'PG_WIN1251', conproc => 'koi8r_to_win1251' },
+{ oid => '4811', descr => 'conversion for WIN1251 to KOI8R',
+  conname => 'windows_1251_to_koi8_r', conforencoding => 'PG_WIN1251',
+  contoencoding => 'PG_KOI8R', conproc => 'win1251_to_koi8r' },
+{ oid => '4812', descr => 'conversion for KOI8R to WIN866',
+  conname => 'koi8_r_to_windows_866', conforencoding => 'PG_KOI8R',
+  contoencoding => 'PG_WIN866', conproc => 'koi8r_to_win866' },
+{ oid => '4813', descr => 'conversion for WIN866 to KOI8R',
+  conname => 'windows_866_to_koi8_r', conforencoding => 'PG_WIN866',
+  contoencoding => 'PG_KOI8R', conproc => 'win866_to_koi8r' },
+{ oid => '4814', descr => 'conversion for WIN866 to WIN1251',
+  conname => 'windows_866_to_windows_1251', conforencoding => 'PG_WIN866',
+  contoencoding => 'PG_WIN1251', conproc => 'win866_to_win1251' },
+{ oid => '4815', descr => 'conversion for WIN1251 to WIN866',
+  conname => 'windows_1251_to_windows_866', conforencoding => 'PG_WIN1251',
+  contoencoding => 'PG_WIN866', conproc => 'win1251_to_win866' },
+{ oid => '4816', descr => 'conversion for ISO-8859-5 to KOI8R',
+  conname => 'iso_8859_5_to_koi8_r', conforencoding => 'PG_ISO_8859_5',
+  contoencoding => 'PG_KOI8R', conproc => 'iso_to_koi8r' },
+{ oid => '4817', descr => 'conversion for KOI8R to ISO-8859-5',
+  conname => 'koi8_r_to_iso_8859_5', conforencoding => 'PG_KOI8R',
+  contoencoding => 'PG_ISO_8859_5', conproc => 'koi8r_to_iso' },
+{ oid => '4818', descr => 'conversion for ISO-8859-5 to WIN1251',
+  conname => 'iso_8859_5_to_windows_1251', conforencoding => 'PG_ISO_8859_5',
+  contoencoding => 'PG_WIN1251', conproc => 'iso_to_win1251' },
+{ oid => '4819', descr => 'conversion for WIN1251 to ISO-8859-5',
+  conname => 'windows_1251_to_iso_8859_5', conforencoding => 'PG_WIN1251',
+  contoencoding => 'PG_ISO_8859_5', conproc => 'win1251_to_iso' },
+{ oid => '4820', descr => 'conversion for ISO-8859-5 to WIN866',
+  conname => 'iso_8859_5_to_windows_866', conforencoding => 'PG_ISO_8859_5',
+  contoencoding => 'PG_WIN866', conproc => 'iso_to_win866' },
+{ oid => '4821', descr => 'conversion for WIN866 to ISO-8859-5',
+  conname => 'windows_866_to_iso_8859_5', conforencoding => 'PG_WIN866',
+  contoencoding => 'PG_ISO_8859_5', conproc => 'win866_to_iso' },
+{ oid => '4822', descr => 'conversion for EUC_CN to MULE_INTERNAL',
+  conname => 'euc_cn_to_mic', conforencoding => 'PG_EUC_CN',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'euc_cn_to_mic' },
+{ oid => '4823', descr => 'conversion for MULE_INTERNAL to EUC_CN',
+  conname => 'mic_to_euc_cn', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_EUC_CN', conproc => 'mic_to_euc_cn' },
+{ oid => '4824', descr => 'conversion for EUC_JP to SJIS',
+  conname => 'euc_jp_to_sjis', conforencoding => 'PG_EUC_JP',
+  contoencoding => 'PG_SJIS', conproc => 'euc_jp_to_sjis' },
+{ oid => '4825', descr => 'conversion for SJIS to EUC_JP',
+  conname => 'sjis_to_euc_jp', conforencoding => 'PG_SJIS',
+  contoencoding => 'PG_EUC_JP', conproc => 'sjis_to_euc_jp' },
+{ oid => '4826', descr => 'conversion for EUC_JP to MULE_INTERNAL',
+  conname => 'euc_jp_to_mic', conforencoding => 'PG_EUC_JP',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'euc_jp_to_mic' },
+{ oid => '4827', descr => 'conversion for SJIS to MULE_INTERNAL',
+  conname => 'sjis_to_mic', conforencoding => 'PG_SJIS',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'sjis_to_mic' },
+{ oid => '4828', descr => 'conversion for MULE_INTERNAL to EUC_JP',
+  conname => 'mic_to_euc_jp', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_EUC_JP', conproc => 'mic_to_euc_jp' },
+{ oid => '4829', descr => 'conversion for MULE_INTERNAL to SJIS',
+  conname => 'mic_to_sjis', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_SJIS', conproc => 'mic_to_sjis' },
+{ oid => '4830', descr => 'conversion for EUC_KR to MULE_INTERNAL',
+  conname => 'euc_kr_to_mic', conforencoding => 'PG_EUC_KR',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'euc_kr_to_mic' },
+{ oid => '4831', descr => 'conversion for MULE_INTERNAL to EUC_KR',
+  conname => 'mic_to_euc_kr', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_EUC_KR', conproc => 'mic_to_euc_kr' },
+{ oid => '4832', descr => 'conversion for EUC_TW to BIG5',
+  conname => 'euc_tw_to_big5', conforencoding => 'PG_EUC_TW',
+  contoencoding => 'PG_BIG5', conproc => 'euc_tw_to_big5' },
+{ oid => '4833', descr => 'conversion for BIG5 to EUC_TW',
+  conname => 'big5_to_euc_tw', conforencoding => 'PG_BIG5',
+  contoencoding => 'PG_EUC_TW', conproc => 'big5_to_euc_tw' },
+{ oid => '4834', descr => 'conversion for EUC_TW to MULE_INTERNAL',
+  conname => 'euc_tw_to_mic', conforencoding => 'PG_EUC_TW',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'euc_tw_to_mic' },
+{ oid => '4835', descr => 'conversion for BIG5 to MULE_INTERNAL',
+  conname => 'big5_to_mic', conforencoding => 'PG_BIG5',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'big5_to_mic' },
+{ oid => '4836', descr => 'conversion for MULE_INTERNAL to EUC_TW',
+  conname => 'mic_to_euc_tw', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_EUC_TW', conproc => 'mic_to_euc_tw' },
+{ oid => '4837', descr => 'conversion for MULE_INTERNAL to BIG5',
+  conname => 'mic_to_big5', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_BIG5', conproc => 'mic_to_big5' },
+{ oid => '4838', descr => 'conversion for LATIN2 to MULE_INTERNAL',
+  conname => 'iso_8859_2_to_mic', conforencoding => 'PG_LATIN2',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'latin2_to_mic' },
+{ oid => '4839', descr => 'conversion for MULE_INTERNAL to LATIN2',
+  conname => 'mic_to_iso_8859_2', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_LATIN2', conproc => 'mic_to_latin2' },
+{ oid => '4840', descr => 'conversion for WIN1250 to MULE_INTERNAL',
+  conname => 'windows_1250_to_mic', conforencoding => 'PG_WIN1250',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'win1250_to_mic' },
+{ oid => '4841', descr => 'conversion for MULE_INTERNAL to WIN1250',
+  conname => 'mic_to_windows_1250', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_WIN1250', conproc => 'mic_to_win1250' },
+{ oid => '4842', descr => 'conversion for LATIN2 to WIN1250',
+  conname => 'iso_8859_2_to_windows_1250', conforencoding => 'PG_LATIN2',
+  contoencoding => 'PG_WIN1250', conproc => 'latin2_to_win1250' },
+{ oid => '4843', descr => 'conversion for WIN1250 to LATIN2',
+  conname => 'windows_1250_to_iso_8859_2', conforencoding => 'PG_WIN1250',
+  contoencoding => 'PG_LATIN2', conproc => 'win1250_to_latin2' },
+{ oid => '4844', descr => 'conversion for LATIN1 to MULE_INTERNAL',
+  conname => 'iso_8859_1_to_mic', conforencoding => 'PG_LATIN1',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'latin1_to_mic' },
+{ oid => '4845', descr => 'conversion for MULE_INTERNAL to LATIN1',
+  conname => 'mic_to_iso_8859_1', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_LATIN1', conproc => 'mic_to_latin1' },
+{ oid => '4846', descr => 'conversion for LATIN3 to MULE_INTERNAL',
+  conname => 'iso_8859_3_to_mic', conforencoding => 'PG_LATIN3',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'latin3_to_mic' },
+{ oid => '4847', descr => 'conversion for MULE_INTERNAL to LATIN3',
+  conname => 'mic_to_iso_8859_3', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_LATIN3', conproc => 'mic_to_latin3' },
+{ oid => '4848', descr => 'conversion for LATIN4 to MULE_INTERNAL',
+  conname => 'iso_8859_4_to_mic', conforencoding => 'PG_LATIN4',
+  contoencoding => 'PG_MULE_INTERNAL', conproc => 'latin4_to_mic' },
+{ oid => '4849', descr => 'conversion for MULE_INTERNAL to LATIN4',
+  conname => 'mic_to_iso_8859_4', conforencoding => 'PG_MULE_INTERNAL',
+  contoencoding => 'PG_LATIN4', conproc => 'mic_to_latin4' },
+{ oid => '4850', descr => 'conversion for SQL_ASCII to UTF8',
+  conname => 'ascii_to_utf8', conforencoding => 'PG_SQL_ASCII',
+  contoencoding => 'PG_UTF8', conproc => 'ascii_to_utf8' },
+{ oid => '4851', descr => 'conversion for UTF8 to SQL_ASCII',
+  conname => 'utf8_to_ascii', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_SQL_ASCII', conproc => 'utf8_to_ascii' },
+{ oid => '4852', descr => 'conversion for BIG5 to UTF8',
+  conname => 'big5_to_utf8', conforencoding => 'PG_BIG5',
+  contoencoding => 'PG_UTF8', conproc => 'big5_to_utf8' },
+{ oid => '4853', descr => 'conversion for UTF8 to BIG5',
+  conname => 'utf8_to_big5', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_BIG5', conproc => 'utf8_to_big5' },
+{ oid => '4854', descr => 'conversion for UTF8 to KOI8R',
+  conname => 'utf8_to_koi8_r', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_KOI8R', conproc => 'utf8_to_koi8r' },
+{ oid => '4855', descr => 'conversion for KOI8R to UTF8',
+  conname => 'koi8_r_to_utf8', conforencoding => 'PG_KOI8R',
+  contoencoding => 'PG_UTF8', conproc => 'koi8r_to_utf8' },
+{ oid => '4856', descr => 'conversion for UTF8 to KOI8U',
+  conname => 'utf8_to_koi8_u', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_KOI8U', conproc => 'utf8_to_koi8u' },
+{ oid => '4857', descr => 'conversion for KOI8U to UTF8',
+  conname => 'koi8_u_to_utf8', conforencoding => 'PG_KOI8U',
+  contoencoding => 'PG_UTF8', conproc => 'koi8u_to_utf8' },
+{ oid => '4858', descr => 'conversion for UTF8 to WIN866',
+  conname => 'utf8_to_windows_866', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN866', conproc => 'utf8_to_win' },
+{ oid => '4859', descr => 'conversion for WIN866 to UTF8',
+  conname => 'windows_866_to_utf8', conforencoding => 'PG_WIN866',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4860', descr => 'conversion for UTF8 to WIN874',
+  conname => 'utf8_to_windows_874', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN874', conproc => 'utf8_to_win' },
+{ oid => '4861', descr => 'conversion for WIN874 to UTF8',
+  conname => 'windows_874_to_utf8', conforencoding => 'PG_WIN874',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4862', descr => 'conversion for UTF8 to WIN1250',
+  conname => 'utf8_to_windows_1250', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1250', conproc => 'utf8_to_win' },
+{ oid => '4863', descr => 'conversion for WIN1250 to UTF8',
+  conname => 'windows_1250_to_utf8', conforencoding => 'PG_WIN1250',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4864', descr => 'conversion for UTF8 to WIN1251',
+  conname => 'utf8_to_windows_1251', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1251', conproc => 'utf8_to_win' },
+{ oid => '4865', descr => 'conversion for WIN1251 to UTF8',
+  conname => 'windows_1251_to_utf8', conforencoding => 'PG_WIN1251',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4866', descr => 'conversion for UTF8 to WIN1252',
+  conname => 'utf8_to_windows_1252', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1252', conproc => 'utf8_to_win' },
+{ oid => '4867', descr => 'conversion for WIN1252 to UTF8',
+  conname => 'windows_1252_to_utf8', conforencoding => 'PG_WIN1252',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4868', descr => 'conversion for UTF8 to WIN1253',
+  conname => 'utf8_to_windows_1253', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1253', conproc => 'utf8_to_win' },
+{ oid => '4869', descr => 'conversion for WIN1253 to UTF8',
+  conname => 'windows_1253_to_utf8', conforencoding => 'PG_WIN1253',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4870', descr => 'conversion for UTF8 to WIN1254',
+  conname => 'utf8_to_windows_1254', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1254', conproc => 'utf8_to_win' },
+{ oid => '4871', descr => 'conversion for WIN1254 to UTF8',
+  conname => 'windows_1254_to_utf8', conforencoding => 'PG_WIN1254',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4872', descr => 'conversion for UTF8 to WIN1255',
+  conname => 'utf8_to_windows_1255', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1255', conproc => 'utf8_to_win' },
+{ oid => '4873', descr => 'conversion for WIN1255 to UTF8',
+  conname => 'windows_1255_to_utf8', conforencoding => 'PG_WIN1255',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4874', descr => 'conversion for UTF8 to WIN1256',
+  conname => 'utf8_to_windows_1256', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1256', conproc => 'utf8_to_win' },
+{ oid => '4875', descr => 'conversion for WIN1256 to UTF8',
+  conname => 'windows_1256_to_utf8', conforencoding => 'PG_WIN1256',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4876', descr => 'conversion for UTF8 to WIN1257',
+  conname => 'utf8_to_windows_1257', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1257', conproc => 'utf8_to_win' },
+{ oid => '4877', descr => 'conversion for WIN1257 to UTF8',
+  conname => 'windows_1257_to_utf8', conforencoding => 'PG_WIN1257',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4878', descr => 'conversion for UTF8 to WIN1258',
+  conname => 'utf8_to_windows_1258', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_WIN1258', conproc => 'utf8_to_win' },
+{ oid => '4879', descr => 'conversion for WIN1258 to UTF8',
+  conname => 'windows_1258_to_utf8', conforencoding => 'PG_WIN1258',
+  contoencoding => 'PG_UTF8', conproc => 'win_to_utf8' },
+{ oid => '4880', descr => 'conversion for EUC_CN to UTF8',
+  conname => 'euc_cn_to_utf8', conforencoding => 'PG_EUC_CN',
+  contoencoding => 'PG_UTF8', conproc => 'euc_cn_to_utf8' },
+{ oid => '4881', descr => 'conversion for UTF8 to EUC_CN',
+  conname => 'utf8_to_euc_cn', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_EUC_CN', conproc => 'utf8_to_euc_cn' },
+{ oid => '4882', descr => 'conversion for EUC_JP to UTF8',
+  conname => 'euc_jp_to_utf8', conforencoding => 'PG_EUC_JP',
+  contoencoding => 'PG_UTF8', conproc => 'euc_jp_to_utf8' },
+{ oid => '4883', descr => 'conversion for UTF8 to EUC_JP',
+  conname => 'utf8_to_euc_jp', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_EUC_JP', conproc => 'utf8_to_euc_jp' },
+{ oid => '4884', descr => 'conversion for EUC_KR to UTF8',
+  conname => 'euc_kr_to_utf8', conforencoding => 'PG_EUC_KR',
+  contoencoding => 'PG_UTF8', conproc => 'euc_kr_to_utf8' },
+{ oid => '4885', descr => 'conversion for UTF8 to EUC_KR',
+  conname => 'utf8_to_euc_kr', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_EUC_KR', conproc => 'utf8_to_euc_kr' },
+{ oid => '4886', descr => 'conversion for EUC_TW to UTF8',
+  conname => 'euc_tw_to_utf8', conforencoding => 'PG_EUC_TW',
+  contoencoding => 'PG_UTF8', conproc => 'euc_tw_to_utf8' },
+{ oid => '4887', descr => 'conversion for UTF8 to EUC_TW',
+  conname => 'utf8_to_euc_tw', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_EUC_TW', conproc => 'utf8_to_euc_tw' },
+{ oid => '4888', descr => 'conversion for GB18030 to UTF8',
+  conname => 'gb18030_to_utf8', conforencoding => 'PG_GB18030',
+  contoencoding => 'PG_UTF8', conproc => 'gb18030_to_utf8' },
+{ oid => '4889', descr => 'conversion for UTF8 to GB18030',
+  conname => 'utf8_to_gb18030', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_GB18030', conproc => 'utf8_to_gb18030' },
+{ oid => '4890', descr => 'conversion for GBK to UTF8',
+  conname => 'gbk_to_utf8', conforencoding => 'PG_GBK',
+  contoencoding => 'PG_UTF8', conproc => 'gbk_to_utf8' },
+{ oid => '4891', descr => 'conversion for UTF8 to GBK',
+  conname => 'utf8_to_gbk', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_GBK', conproc => 'utf8_to_gbk' },
+{ oid => '4892', descr => 'conversion for UTF8 to LATIN2',
+  conname => 'utf8_to_iso_8859_2', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN2', conproc => 'utf8_to_iso8859' },
+{ oid => '4893', descr => 'conversion for LATIN2 to UTF8',
+  conname => 'iso_8859_2_to_utf8', conforencoding => 'PG_LATIN2',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4894', descr => 'conversion for UTF8 to LATIN3',
+  conname => 'utf8_to_iso_8859_3', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN3', conproc => 'utf8_to_iso8859' },
+{ oid => '4895', descr => 'conversion for LATIN3 to UTF8',
+  conname => 'iso_8859_3_to_utf8', conforencoding => 'PG_LATIN3',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4896', descr => 'conversion for UTF8 to LATIN4',
+  conname => 'utf8_to_iso_8859_4', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN4', conproc => 'utf8_to_iso8859' },
+{ oid => '4897', descr => 'conversion for LATIN4 to UTF8',
+  conname => 'iso_8859_4_to_utf8', conforencoding => 'PG_LATIN4',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4898', descr => 'conversion for UTF8 to LATIN5',
+  conname => 'utf8_to_iso_8859_9', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN5', conproc => 'utf8_to_iso8859' },
+{ oid => '4899', descr => 'conversion for LATIN5 to UTF8',
+  conname => 'iso_8859_9_to_utf8', conforencoding => 'PG_LATIN5',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4900', descr => 'conversion for UTF8 to LATIN6',
+  conname => 'utf8_to_iso_8859_10', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN6', conproc => 'utf8_to_iso8859' },
+{ oid => '4901', descr => 'conversion for LATIN6 to UTF8',
+  conname => 'iso_8859_10_to_utf8', conforencoding => 'PG_LATIN6',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4902', descr => 'conversion for UTF8 to LATIN7',
+  conname => 'utf8_to_iso_8859_13', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN7', conproc => 'utf8_to_iso8859' },
+{ oid => '4903', descr => 'conversion for LATIN7 to UTF8',
+  conname => 'iso_8859_13_to_utf8', conforencoding => 'PG_LATIN7',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4904', descr => 'conversion for UTF8 to LATIN8',
+  conname => 'utf8_to_iso_8859_14', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN8', conproc => 'utf8_to_iso8859' },
+{ oid => '4905', descr => 'conversion for LATIN8 to UTF8',
+  conname => 'iso_8859_14_to_utf8', conforencoding => 'PG_LATIN8',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4906', descr => 'conversion for UTF8 to LATIN9',
+  conname => 'utf8_to_iso_8859_15', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN9', conproc => 'utf8_to_iso8859' },
+{ oid => '4907', descr => 'conversion for LATIN9 to UTF8',
+  conname => 'iso_8859_15_to_utf8', conforencoding => 'PG_LATIN9',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4908', descr => 'conversion for UTF8 to LATIN10',
+  conname => 'utf8_to_iso_8859_16', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN10', conproc => 'utf8_to_iso8859' },
+{ oid => '4909', descr => 'conversion for LATIN10 to UTF8',
+  conname => 'iso_8859_16_to_utf8', conforencoding => 'PG_LATIN10',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4910', descr => 'conversion for UTF8 to ISO-8859-5',
+  conname => 'utf8_to_iso_8859_5', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_ISO_8859_5', conproc => 'utf8_to_iso8859' },
+{ oid => '4911', descr => 'conversion for ISO-8859-5 to UTF8',
+  conname => 'iso_8859_5_to_utf8', conforencoding => 'PG_ISO_8859_5',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4912', descr => 'conversion for UTF8 to ISO-8859-6',
+  conname => 'utf8_to_iso_8859_6', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_ISO_8859_6', conproc => 'utf8_to_iso8859' },
+{ oid => '4913', descr => 'conversion for ISO-8859-6 to UTF8',
+  conname => 'iso_8859_6_to_utf8', conforencoding => 'PG_ISO_8859_6',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4914', descr => 'conversion for UTF8 to ISO-8859-7',
+  conname => 'utf8_to_iso_8859_7', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_ISO_8859_7', conproc => 'utf8_to_iso8859' },
+{ oid => '4915', descr => 'conversion for ISO-8859-7 to UTF8',
+  conname => 'iso_8859_7_to_utf8', conforencoding => 'PG_ISO_8859_7',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4916', descr => 'conversion for UTF8 to ISO-8859-8',
+  conname => 'utf8_to_iso_8859_8', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_ISO_8859_8', conproc => 'utf8_to_iso8859' },
+{ oid => '4917', descr => 'conversion for ISO-8859-8 to UTF8',
+  conname => 'iso_8859_8_to_utf8', conforencoding => 'PG_ISO_8859_8',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_to_utf8' },
+{ oid => '4918', descr => 'conversion for LATIN1 to UTF8',
+  conname => 'iso_8859_1_to_utf8', conforencoding => 'PG_LATIN1',
+  contoencoding => 'PG_UTF8', conproc => 'iso8859_1_to_utf8' },
+{ oid => '4919', descr => 'conversion for UTF8 to LATIN1',
+  conname => 'utf8_to_iso_8859_1', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_LATIN1', conproc => 'utf8_to_iso8859_1' },
+{ oid => '4920', descr => 'conversion for JOHAB to UTF8',
+  conname => 'johab_to_utf8', conforencoding => 'PG_JOHAB',
+  contoencoding => 'PG_UTF8', conproc => 'johab_to_utf8' },
+{ oid => '4921', descr => 'conversion for UTF8 to JOHAB',
+  conname => 'utf8_to_johab', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_JOHAB', conproc => 'utf8_to_johab' },
+{ oid => '4922', descr => 'conversion for SJIS to UTF8',
+  conname => 'sjis_to_utf8', conforencoding => 'PG_SJIS',
+  contoencoding => 'PG_UTF8', conproc => 'sjis_to_utf8' },
+{ oid => '4923', descr => 'conversion for UTF8 to SJIS',
+  conname => 'utf8_to_sjis', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_SJIS', conproc => 'utf8_to_sjis' },
+{ oid => '4924', descr => 'conversion for UHC to UTF8',
+  conname => 'uhc_to_utf8', conforencoding => 'PG_UHC',
+  contoencoding => 'PG_UTF8', conproc => 'uhc_to_utf8' },
+{ oid => '4925', descr => 'conversion for UTF8 to UHC',
+  conname => 'utf8_to_uhc', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_UHC', conproc => 'utf8_to_uhc' },
+{ oid => '4926', descr => 'conversion for EUC_JIS_2004 to UTF8',
+  conname => 'euc_jis_2004_to_utf8', conforencoding => 'PG_EUC_JIS_2004',
+  contoencoding => 'PG_UTF8', conproc => 'euc_jis_2004_to_utf8' },
+{ oid => '4927', descr => 'conversion for UTF8 to EUC_JIS_2004',
+  conname => 'utf8_to_euc_jis_2004', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_EUC_JIS_2004', conproc => 'utf8_to_euc_jis_2004' },
+{ oid => '4928', descr => 'conversion for SHIFT_JIS_2004 to UTF8',
+  conname => 'shift_jis_2004_to_utf8', conforencoding => 'PG_SHIFT_JIS_2004',
+  contoencoding => 'PG_UTF8', conproc => 'shift_jis_2004_to_utf8' },
+{ oid => '4929', descr => 'conversion for UTF8 to SHIFT_JIS_2004',
+  conname => 'utf8_to_shift_jis_2004', conforencoding => 'PG_UTF8',
+  contoencoding => 'PG_SHIFT_JIS_2004', conproc => 'utf8_to_shift_jis_2004' },
+{ oid => '4930', descr => 'conversion for EUC_JIS_2004 to SHIFT_JIS_2004',
+  conname => 'euc_jis_2004_to_shift_jis_2004',
+  conforencoding => 'PG_EUC_JIS_2004', contoencoding => 'PG_SHIFT_JIS_2004',
+  conproc => 'euc_jis_2004_to_shift_jis_2004' },
+{ oid => '4931', descr => 'conversion for SHIFT_JIS_2004 to EUC_JIS_2004',
+  conname => 'shift_jis_2004_to_euc_jis_2004',
+  conforencoding => 'PG_SHIFT_JIS_2004', contoencoding => 'PG_EUC_JIS_2004',
+  conproc => 'shift_jis_2004_to_euc_jis_2004' },
+
+]
diff --git a/src/include/catalog/pg_conversion.h b/src/include/catalog/pg_conversion.h
index 6e8f054306..9f31d41272 100644
--- a/src/include/catalog/pg_conversion.h
+++ b/src/include/catalog/pg_conversion.h
@@ -23,30 +23,41 @@
 
 #include "catalog/objectaddress.h"
 
-/* ----------------------------------------------------------------
- *		pg_conversion definition.
- *
- *		cpp turns this into typedef struct FormData_pg_namespace
- *
- *	conname				name of the conversion
- *	connamespace		name space which the conversion belongs to
- *	conowner			owner of the conversion
- *	conforencoding		FOR encoding id
- *	contoencoding		TO encoding id
- *	conproc				OID of the conversion proc
- *	condefault			true if this is a default conversion
- * ----------------------------------------------------------------
+/* ----------------
+ *		pg_conversion definition.  cpp turns this into
+ *		typedef struct FormData_pg_conversion
+ * ----------------
  */
 CATALOG(pg_conversion,2607,ConversionRelationId)
 {
-	Oid			oid;			/* oid */
+	/* oid */
+	Oid			oid;
+
+	/* name of the conversion */
 	NameData	conname;
-	Oid			connamespace;
-	Oid			conowner;
-	int32		conforencoding;
-	int32		contoencoding;
-	regproc		conproc;
-	bool		condefault;
+
+	/* name space which the conversion belongs to */
+	Oid			connamespace BKI_DEFAULT(PGNSP);
+
+	/* owner of the conversion */
+	Oid			conowner BKI_DEFAULT(PGUID);
+
+	/*
+	 * Note: The encoding lookups don't refer to other catalogs,
+	 * but to values found in mb/pg_wchar.h
+	 */
+
+	/* FOR encoding id */
+	int32		conforencoding BKI_LOOKUP(encoding);
+
+	/* TO encoding id */
+	int32		contoencoding BKI_LOOKUP(encoding);
+
+	/* OID of the conversion proc */
+	regproc		conproc BKI_LOOKUP(pg_proc);
+
+	/* true if this is a default conversion */
+	bool		condefault BKI_DEFAULT(t);
 } FormData_pg_conversion;
 
 /* ----------------
diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
index c8c27948f0..77f124290d 100644
--- a/src/include/catalog/pg_proc.dat
+++ b/src/include/catalog/pg_proc.dat
@@ -21,7 +21,7 @@
 
 # Try to follow the style of existing functions' comments.
 # Some recommended conventions:
-
+#
 # "I/O" for typinput, typoutput, typreceive, typsend functions
 # "I/O typmod" for typmodin, typmodout functions
 # "aggregate transition function" for aggtransfn functions, unless
@@ -10048,4 +10048,412 @@
   proargnames => '{rootrelid,relid,parentrelid,isleaf,level}',
   prosrc => 'pg_partition_tree' },
 
+# conversion functions
+{ oid => '4600',
+  descr => 'internal conversion function for SQL_ASCII to MULE_INTERNAL',
+  proname => 'ascii_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'ascii_to_mic',
+  probin => '$libdir/ascii_and_mic' },
+{ oid => '4601',
+  descr => 'internal conversion function for MULE_INTERNAL to SQL_ASCII',
+  proname => 'mic_to_ascii', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_ascii',
+  probin => '$libdir/ascii_and_mic' },
+{ oid => '4602',
+  descr => 'internal conversion function for KOI8R to MULE_INTERNAL',
+  proname => 'koi8r_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'koi8r_to_mic',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4603',
+  descr => 'internal conversion function for MULE_INTERNAL to KOI8R',
+  proname => 'mic_to_koi8r', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_koi8r',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4604',
+  descr => 'internal conversion function for ISO-8859-5 to MULE_INTERNAL',
+  proname => 'iso_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'iso_to_mic',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4605',
+  descr => 'internal conversion function for MULE_INTERNAL to ISO-8859-5',
+  proname => 'mic_to_iso', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_iso',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4606',
+  descr => 'internal conversion function for WIN1251 to MULE_INTERNAL',
+  proname => 'win1251_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win1251_to_mic',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4607',
+  descr => 'internal conversion function for MULE_INTERNAL to WIN1251',
+  proname => 'mic_to_win1251', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_win1251',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4608',
+  descr => 'internal conversion function for WIN866 to MULE_INTERNAL',
+  proname => 'win866_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win866_to_mic',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4609',
+  descr => 'internal conversion function for MULE_INTERNAL to WIN866',
+  proname => 'mic_to_win866', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_win866',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4610', descr => 'internal conversion function for KOI8R to WIN1251',
+  proname => 'koi8r_to_win1251', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'koi8r_to_win1251', probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4611', descr => 'internal conversion function for WIN1251 to KOI8R',
+  proname => 'win1251_to_koi8r', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'win1251_to_koi8r', probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4612', descr => 'internal conversion function for KOI8R to WIN866',
+  proname => 'koi8r_to_win866', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'koi8r_to_win866',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4613', descr => 'internal conversion function for WIN866 to KOI8R',
+  proname => 'win866_to_koi8r', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win866_to_koi8r',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4614',
+  descr => 'internal conversion function for WIN866 to WIN1251',
+  proname => 'win866_to_win1251', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'win866_to_win1251', probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4615',
+  descr => 'internal conversion function for WIN1251 to WIN866',
+  proname => 'win1251_to_win866', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'win1251_to_win866', probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4616',
+  descr => 'internal conversion function for ISO-8859-5 to KOI8R',
+  proname => 'iso_to_koi8r', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'iso_to_koi8r',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4617',
+  descr => 'internal conversion function for KOI8R to ISO-8859-5',
+  proname => 'koi8r_to_iso', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'koi8r_to_iso',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4618',
+  descr => 'internal conversion function for ISO-8859-5 to WIN1251',
+  proname => 'iso_to_win1251', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'iso_to_win1251',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4619',
+  descr => 'internal conversion function for WIN1251 to ISO-8859-5',
+  proname => 'win1251_to_iso', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win1251_to_iso',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4620',
+  descr => 'internal conversion function for ISO-8859-5 to WIN866',
+  proname => 'iso_to_win866', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'iso_to_win866',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4621',
+  descr => 'internal conversion function for WIN866 to ISO-8859-5',
+  proname => 'win866_to_iso', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win866_to_iso',
+  probin => '$libdir/cyrillic_and_mic' },
+{ oid => '4622',
+  descr => 'internal conversion function for EUC_CN to MULE_INTERNAL',
+  proname => 'euc_cn_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_cn_to_mic',
+  probin => '$libdir/euc_cn_and_mic' },
+{ oid => '4623',
+  descr => 'internal conversion function for MULE_INTERNAL to EUC_CN',
+  proname => 'mic_to_euc_cn', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_euc_cn',
+  probin => '$libdir/euc_cn_and_mic' },
+{ oid => '4624', descr => 'internal conversion function for EUC_JP to SJIS',
+  proname => 'euc_jp_to_sjis', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_jp_to_sjis',
+  probin => '$libdir/euc_jp_and_sjis' },
+{ oid => '4625', descr => 'internal conversion function for SJIS to EUC_JP',
+  proname => 'sjis_to_euc_jp', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'sjis_to_euc_jp',
+  probin => '$libdir/euc_jp_and_sjis' },
+{ oid => '4626',
+  descr => 'internal conversion function for EUC_JP to MULE_INTERNAL',
+  proname => 'euc_jp_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_jp_to_mic',
+  probin => '$libdir/euc_jp_and_sjis' },
+{ oid => '4627',
+  descr => 'internal conversion function for SJIS to MULE_INTERNAL',
+  proname => 'sjis_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'sjis_to_mic',
+  probin => '$libdir/euc_jp_and_sjis' },
+{ oid => '4628',
+  descr => 'internal conversion function for MULE_INTERNAL to EUC_JP',
+  proname => 'mic_to_euc_jp', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_euc_jp',
+  probin => '$libdir/euc_jp_and_sjis' },
+{ oid => '4629',
+  descr => 'internal conversion function for MULE_INTERNAL to SJIS',
+  proname => 'mic_to_sjis', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_sjis',
+  probin => '$libdir/euc_jp_and_sjis' },
+{ oid => '4630',
+  descr => 'internal conversion function for EUC_KR to MULE_INTERNAL',
+  proname => 'euc_kr_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_kr_to_mic',
+  probin => '$libdir/euc_kr_and_mic' },
+{ oid => '4631',
+  descr => 'internal conversion function for MULE_INTERNAL to EUC_KR',
+  proname => 'mic_to_euc_kr', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_euc_kr',
+  probin => '$libdir/euc_kr_and_mic' },
+{ oid => '4632', descr => 'internal conversion function for EUC_TW to BIG5',
+  proname => 'euc_tw_to_big5', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_tw_to_big5',
+  probin => '$libdir/euc_tw_and_big5' },
+{ oid => '4633', descr => 'internal conversion function for BIG5 to EUC_TW',
+  proname => 'big5_to_euc_tw', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'big5_to_euc_tw',
+  probin => '$libdir/euc_tw_and_big5' },
+{ oid => '4634',
+  descr => 'internal conversion function for EUC_TW to MULE_INTERNAL',
+  proname => 'euc_tw_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_tw_to_mic',
+  probin => '$libdir/euc_tw_and_big5' },
+{ oid => '4635',
+  descr => 'internal conversion function for BIG5 to MULE_INTERNAL',
+  proname => 'big5_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'big5_to_mic',
+  probin => '$libdir/euc_tw_and_big5' },
+{ oid => '4636',
+  descr => 'internal conversion function for MULE_INTERNAL to EUC_TW',
+  proname => 'mic_to_euc_tw', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_euc_tw',
+  probin => '$libdir/euc_tw_and_big5' },
+{ oid => '4637',
+  descr => 'internal conversion function for MULE_INTERNAL to BIG5',
+  proname => 'mic_to_big5', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_big5',
+  probin => '$libdir/euc_tw_and_big5' },
+{ oid => '4638',
+  descr => 'internal conversion function for LATIN2 to MULE_INTERNAL',
+  proname => 'latin2_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'latin2_to_mic',
+  probin => '$libdir/latin2_and_win1250' },
+{ oid => '4639',
+  descr => 'internal conversion function for MULE_INTERNAL to LATIN2',
+  proname => 'mic_to_latin2', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_latin2',
+  probin => '$libdir/latin2_and_win1250' },
+{ oid => '4640',
+  descr => 'internal conversion function for WIN1250 to MULE_INTERNAL',
+  proname => 'win1250_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win1250_to_mic',
+  probin => '$libdir/latin2_and_win1250' },
+{ oid => '4641',
+  descr => 'internal conversion function for MULE_INTERNAL to WIN1250',
+  proname => 'mic_to_win1250', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_win1250',
+  probin => '$libdir/latin2_and_win1250' },
+{ oid => '4642',
+  descr => 'internal conversion function for LATIN2 to WIN1250',
+  proname => 'latin2_to_win1250', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'latin2_to_win1250', probin => '$libdir/latin2_and_win1250' },
+{ oid => '4643',
+  descr => 'internal conversion function for WIN1250 to LATIN2',
+  proname => 'win1250_to_latin2', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'win1250_to_latin2', probin => '$libdir/latin2_and_win1250' },
+{ oid => '4644',
+  descr => 'internal conversion function for LATIN1 to MULE_INTERNAL',
+  proname => 'latin1_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'latin1_to_mic',
+  probin => '$libdir/latin_and_mic' },
+{ oid => '4645',
+  descr => 'internal conversion function for MULE_INTERNAL to LATIN1',
+  proname => 'mic_to_latin1', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_latin1',
+  probin => '$libdir/latin_and_mic' },
+{ oid => '4646',
+  descr => 'internal conversion function for LATIN3 to MULE_INTERNAL',
+  proname => 'latin3_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'latin3_to_mic',
+  probin => '$libdir/latin_and_mic' },
+{ oid => '4647',
+  descr => 'internal conversion function for MULE_INTERNAL to LATIN3',
+  proname => 'mic_to_latin3', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_latin3',
+  probin => '$libdir/latin_and_mic' },
+{ oid => '4648',
+  descr => 'internal conversion function for LATIN4 to MULE_INTERNAL',
+  proname => 'latin4_to_mic', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'latin4_to_mic',
+  probin => '$libdir/latin_and_mic' },
+{ oid => '4649',
+  descr => 'internal conversion function for MULE_INTERNAL to LATIN4',
+  proname => 'mic_to_latin4', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'mic_to_latin4',
+  probin => '$libdir/latin_and_mic' },
+{ oid => '4650',
+  descr => 'internal conversion function for SQL_ASCII to UTF8',
+  proname => 'ascii_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'ascii_to_utf8',
+  probin => '$libdir/utf8_and_ascii' },
+{ oid => '4651',
+  descr => 'internal conversion function for UTF8 to SQL_ASCII',
+  proname => 'utf8_to_ascii', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_ascii',
+  probin => '$libdir/utf8_and_ascii' },
+{ oid => '4652', descr => 'internal conversion function for BIG5 to UTF8',
+  proname => 'big5_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'big5_to_utf8',
+  probin => '$libdir/utf8_and_big5' },
+{ oid => '4653', descr => 'internal conversion function for UTF8 to BIG5',
+  proname => 'utf8_to_big5', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_big5',
+  probin => '$libdir/utf8_and_big5' },
+{ oid => '4654', descr => 'internal conversion function for UTF8 to KOI8R',
+  proname => 'utf8_to_koi8r', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_koi8r',
+  probin => '$libdir/utf8_and_cyrillic' },
+{ oid => '4655', descr => 'internal conversion function for KOI8R to UTF8',
+  proname => 'koi8r_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'koi8r_to_utf8',
+  probin => '$libdir/utf8_and_cyrillic' },
+{ oid => '4656', descr => 'internal conversion function for UTF8 to KOI8U',
+  proname => 'utf8_to_koi8u', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_koi8u',
+  probin => '$libdir/utf8_and_cyrillic' },
+{ oid => '4657', descr => 'internal conversion function for KOI8U to UTF8',
+  proname => 'koi8u_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'koi8u_to_utf8',
+  probin => '$libdir/utf8_and_cyrillic' },
+{ oid => '4658', descr => 'internal conversion function for UTF8 to WIN',
+  proname => 'utf8_to_win', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_win',
+  probin => '$libdir/utf8_and_win' },
+{ oid => '4659', descr => 'internal conversion function for WIN to UTF8',
+  proname => 'win_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'win_to_utf8',
+  probin => '$libdir/utf8_and_win' },
+{ oid => '4660', descr => 'internal conversion function for EUC_CN to UTF8',
+  proname => 'euc_cn_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_cn_to_utf8',
+  probin => '$libdir/utf8_and_euc_cn' },
+{ oid => '4661', descr => 'internal conversion function for UTF8 to EUC_CN',
+  proname => 'utf8_to_euc_cn', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_euc_cn',
+  probin => '$libdir/utf8_and_euc_cn' },
+{ oid => '4662', descr => 'internal conversion function for EUC_JP to UTF8',
+  proname => 'euc_jp_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_jp_to_utf8',
+  probin => '$libdir/utf8_and_euc_jp' },
+{ oid => '4663', descr => 'internal conversion function for UTF8 to EUC_JP',
+  proname => 'utf8_to_euc_jp', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_euc_jp',
+  probin => '$libdir/utf8_and_euc_jp' },
+{ oid => '4664', descr => 'internal conversion function for EUC_KR to UTF8',
+  proname => 'euc_kr_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_kr_to_utf8',
+  probin => '$libdir/utf8_and_euc_kr' },
+{ oid => '4665', descr => 'internal conversion function for UTF8 to EUC_KR',
+  proname => 'utf8_to_euc_kr', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_euc_kr',
+  probin => '$libdir/utf8_and_euc_kr' },
+{ oid => '4666', descr => 'internal conversion function for EUC_TW to UTF8',
+  proname => 'euc_tw_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'euc_tw_to_utf8',
+  probin => '$libdir/utf8_and_euc_tw' },
+{ oid => '4667', descr => 'internal conversion function for UTF8 to EUC_TW',
+  proname => 'utf8_to_euc_tw', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_euc_tw',
+  probin => '$libdir/utf8_and_euc_tw' },
+{ oid => '4668', descr => 'internal conversion function for GB18030 to UTF8',
+  proname => 'gb18030_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'gb18030_to_utf8',
+  probin => '$libdir/utf8_and_gb18030' },
+{ oid => '4669', descr => 'internal conversion function for UTF8 to GB18030',
+  proname => 'utf8_to_gb18030', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_gb18030',
+  probin => '$libdir/utf8_and_gb18030' },
+{ oid => '4670', descr => 'internal conversion function for GBK to UTF8',
+  proname => 'gbk_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'gbk_to_utf8',
+  probin => '$libdir/utf8_and_gbk' },
+{ oid => '4671', descr => 'internal conversion function for UTF8 to GBK',
+  proname => 'utf8_to_gbk', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_gbk',
+  probin => '$libdir/utf8_and_gbk' },
+{ oid => '4672',
+  descr => 'internal conversion function for UTF8 to ISO-8859 2-16',
+  proname => 'utf8_to_iso8859', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_iso8859',
+  probin => '$libdir/utf8_and_iso8859' },
+{ oid => '4673',
+  descr => 'internal conversion function for ISO-8859 2-16 to UTF8',
+  proname => 'iso8859_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'iso8859_to_utf8',
+  probin => '$libdir/utf8_and_iso8859' },
+{ oid => '4674', descr => 'internal conversion function for LATIN1 to UTF8',
+  proname => 'iso8859_1_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'iso8859_1_to_utf8', probin => '$libdir/utf8_and_iso8859_1' },
+{ oid => '4675', descr => 'internal conversion function for UTF8 to LATIN1',
+  proname => 'utf8_to_iso8859_1', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'utf8_to_iso8859_1', probin => '$libdir/utf8_and_iso8859_1' },
+{ oid => '4676', descr => 'internal conversion function for JOHAB to UTF8',
+  proname => 'johab_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'johab_to_utf8',
+  probin => '$libdir/utf8_and_johab' },
+{ oid => '4677', descr => 'internal conversion function for UTF8 to JOHAB',
+  proname => 'utf8_to_johab', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_johab',
+  probin => '$libdir/utf8_and_johab' },
+{ oid => '4678', descr => 'internal conversion function for SJIS to UTF8',
+  proname => 'sjis_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'sjis_to_utf8',
+  probin => '$libdir/utf8_and_sjis' },
+{ oid => '4679', descr => 'internal conversion function for UTF8 to SJIS',
+  proname => 'utf8_to_sjis', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_sjis',
+  probin => '$libdir/utf8_and_sjis' },
+{ oid => '4680', descr => 'internal conversion function for UHC to UTF8',
+  proname => 'uhc_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'uhc_to_utf8',
+  probin => '$libdir/utf8_and_uhc' },
+{ oid => '4681', descr => 'internal conversion function for UTF8 to UHC',
+  proname => 'utf8_to_uhc', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4', prosrc => 'utf8_to_uhc',
+  probin => '$libdir/utf8_and_uhc' },
+{ oid => '4682',
+  descr => 'internal conversion function for EUC_JIS_2004 to UTF8',
+  proname => 'euc_jis_2004_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'euc_jis_2004_to_utf8', probin => '$libdir/utf8_and_euc2004' },
+{ oid => '4683',
+  descr => 'internal conversion function for UTF8 to EUC_JIS_2004',
+  proname => 'utf8_to_euc_jis_2004', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'utf8_to_euc_jis_2004', probin => '$libdir/utf8_and_euc2004' },
+{ oid => '4684',
+  descr => 'internal conversion function for SHIFT_JIS_2004 to UTF8',
+  proname => 'shift_jis_2004_to_utf8', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'shift_jis_2004_to_utf8', probin => '$libdir/utf8_and_sjis2004' },
+{ oid => '4685',
+  descr => 'internal conversion function for UTF8 to SHIFT_JIS_2004',
+  proname => 'utf8_to_shift_jis_2004', prolang => 'c', prorettype => 'void',
+  proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'utf8_to_shift_jis_2004', probin => '$libdir/utf8_and_sjis2004' },
+{ oid => '4686',
+  descr => 'internal conversion function for EUC_JIS_2004 to SHIFT_JIS_2004',
+  proname => 'euc_jis_2004_to_shift_jis_2004', prolang => 'c',
+  prorettype => 'void', proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'euc_jis_2004_to_shift_jis_2004',
+  probin => '$libdir/euc2004_sjis2004' },
+{ oid => '4687',
+  descr => 'internal conversion function for SHIFT_JIS_2004 to EUC_JIS_2004',
+  proname => 'shift_jis_2004_to_euc_jis_2004', prolang => 'c',
+  prorettype => 'void', proargtypes => 'int4 int4 cstring internal int4',
+  prosrc => 'shift_jis_2004_to_euc_jis_2004',
+  probin => '$libdir/euc2004_sjis2004' },
+
 ]
diff --git a/src/test/regress/expected/misc_sanity.out b/src/test/regress/expected/misc_sanity.out
index 1d4b000acf..8538173ff8 100644
--- a/src/test/regress/expected/misc_sanity.out
+++ b/src/test/regress/expected/misc_sanity.out
@@ -74,7 +74,6 @@ loop
 end loop;
 end$$;
 NOTICE:  pg_constraint contains unpinned initdb-created object(s)
-NOTICE:  pg_conversion contains unpinned initdb-created object(s)
 NOTICE:  pg_database contains unpinned initdb-created object(s)
 NOTICE:  pg_extension contains unpinned initdb-created object(s)
 NOTICE:  pg_rewrite contains unpinned initdb-created object(s)
diff --git a/src/tools/msvc/Install.pm b/src/tools/msvc/Install.pm
index 7e1c9ac848..7494bfa004 100644
--- a/src/tools/msvc/Install.pm
+++ b/src/tools/msvc/Install.pm
@@ -139,7 +139,6 @@ sub Install
 		CopyFiles(
 			'Error code data',    $target . '/share/',
 			'src/backend/utils/', 'errcodes.txt');
-		GenerateConversionScript($target);
 		GenerateTimezoneFiles($target, $conf);
 		GenerateTsearchFiles($target);
 		CopySetOfFiles(
@@ -348,44 +347,6 @@ sub CopySolutionOutput
 	return;
 }
 
-sub GenerateConversionScript
-{
-	my $target = shift;
-	my $sql    = "";
-	my $F;
-
-	print "Generating conversion proc script...";
-	my $mf = read_file('src/backend/utils/mb/conversion_procs/Makefile');
-	$mf =~ s{\\\r?\n}{}g;
-	$mf =~ /^CONVERSIONS\s*=\s*(.*)$/m
-	  || die "Could not find CONVERSIONS line in conversions Makefile\n";
-	my @pieces = split /\s+/, $1;
-	while ($#pieces > 0)
-	{
-		my $name = shift @pieces;
-		my $se   = shift @pieces;
-		my $de   = shift @pieces;
-		my $func = shift @pieces;
-		my $obj  = shift @pieces;
-		$sql .= "-- $se --> $de\n";
-		$sql .=
-		  "CREATE OR REPLACE FUNCTION $func (INTEGER, INTEGER, CSTRING, INTERNAL, INTEGER) RETURNS VOID AS '\$libdir/$obj', '$func' LANGUAGE C STRICT;\n";
-		$sql .=
-		  "COMMENT ON FUNCTION $func(INTEGER, INTEGER, CSTRING, INTERNAL, INTEGER) IS 'internal conversion function for $se to $de';\n";
-		$sql .= "DROP CONVERSION pg_catalog.$name;\n";
-		$sql .=
-		  "CREATE DEFAULT CONVERSION pg_catalog.$name FOR '$se' TO '$de' FROM $func;\n";
-		$sql .=
-		  "COMMENT ON CONVERSION pg_catalog.$name IS 'conversion for $se to $de';\n\n";
-	}
-	open($F, '>', "$target/share/conversion_create.sql")
-	  || die "Could not write to conversion_create.sql\n";
-	print $F $sql;
-	close($F);
-	print "\n";
-	return;
-}
-
 sub GenerateTimezoneFiles
 {
 	my $target = shift;
-- 
2.17.1

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