Hi Matsumura-san,
> I must use a midrule action like the following that works as
> expected.
> I wonder how to write the replacement to ecpg.addons.
> I think it's impossible, right? Please give me some advice.
You are right, for this change you have to replace the whole rule. This
cannot be done with an addon. Please see the attached for a way to do
this, untested though.
Michael
--
Michael Meskes
Michael at Fam-Meskes dot De, Michael at Meskes dot (De|Com|Net|Org)
Meskes at (Debian|Postgresql) dot Org
Jabber: michael at xmpp dot meskes dot org
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diff --git a/src/interfaces/ecpg/preproc/ecpg.trailer b/src/interfaces/ecpg/preproc/ecpg.trailer
index 1d58c778d9..be6c9d0ae9 100644
--- a/src/interfaces/ecpg/preproc/ecpg.trailer
+++ b/src/interfaces/ecpg/preproc/ecpg.trailer
@@ -1,5 +1,26 @@
/* src/interfaces/ecpg/preproc/ecpg.trailer */
+PrepareStmt: PREPARE prepared_name prep_type_clause AS
+ {
+ prepared_name = $2;
+ prepare_type_clause = $3;
+ is_in_preparable_stmt = true;
+ }
+ PreparableStmt
+ {
+ $$.name = prepared_name;
+ $$.type = prepare_type_clause;
+ $$.stmt = $6;
+ is_in_preparable_stmt = false;
+ }
+ | PREPARE prepared_name FROM execstring
+ {
+ $$.name = $2;
+ $$.type = NULL;
+ $$.stmt = $4;
+ }
+ ;
+
statements: /*EMPTY*/
| statements statement
;
diff --git a/src/interfaces/ecpg/preproc/ecpg.type b/src/interfaces/ecpg/preproc/ecpg.type
index 519b737dde..1c68095274 100644
--- a/src/interfaces/ecpg/preproc/ecpg.type
+++ b/src/interfaces/ecpg/preproc/ecpg.type
@@ -145,3 +145,5 @@
%type <type> var_type
%type <action> action
+
+%type <prep> PrepareStmt
diff --git a/src/interfaces/ecpg/preproc/parse.pl b/src/interfaces/ecpg/preproc/parse.pl
index 6f67a5e942..cafca22f7a 100644
--- a/src/interfaces/ecpg/preproc/parse.pl
+++ b/src/interfaces/ecpg/preproc/parse.pl
@@ -64,6 +64,7 @@ my %replace_types = (
'stmtblock' => 'ignore',
'stmtmulti' => 'ignore',
'CreateAsStmt' => 'ignore',
+ 'PrepareStmt' => 'ignore',
'DeallocateStmt' => 'ignore',
'ColId' => 'ignore',
'type_function_name' => 'ignore',
