Changeset: 07ff24ee84c6 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=07ff24ee84c6
Modified Files:
        sql/ChangeLog.Mar2018
        sql/test/BugTracker-2017/Tests/oidx-on-strings.Bug-6202.sql
        sql/test/orderidx/Tests/oidx_all_types.sql
        sql/test/orderidx/Tests/oidx_all_types.stable.out
        sql/test/orderidx/Tests/oidx_hge_type.sql
        sql/test/orderidx/Tests/oidx_hge_type.stable.out.int128
Branch: Mar2018
Log Message:

Extended tests for CREATE ORDERED INDEX on all standard data types.
Also added a dump statement to test dumping a table with an ordered index for 
each column.


diffs (truncated from 626 to 300 lines):

diff --git a/sql/ChangeLog.Mar2018 b/sql/ChangeLog.Mar2018
--- a/sql/ChangeLog.Mar2018
+++ b/sql/ChangeLog.Mar2018
@@ -1,3 +1,7 @@
 # ChangeLog file for sql
 # This file is updated with Maddlog
 
+* Tue Nov 28 2017 Sjoerd Mullender <[email protected]>
+- Extended support to use CREATE ORDERED INDEX on columns of type: char,
+  varchar, clob, blob, url, json, inet and uuid.
+
diff --git a/sql/test/BugTracker-2017/Tests/oidx-on-strings.Bug-6202.sql 
b/sql/test/BugTracker-2017/Tests/oidx-on-strings.Bug-6202.sql
--- a/sql/test/BugTracker-2017/Tests/oidx-on-strings.Bug-6202.sql
+++ b/sql/test/BugTracker-2017/Tests/oidx-on-strings.Bug-6202.sql
@@ -31,5 +31,5 @@ drop index test_oidx1;
 drop table test_oidx;
 
 
--- TODO add tests for all other datatypes, including url, json, uuid, inet, 
blob.
+-- tests for all other datatypes, including blob, url, json, uuid, inet and 
hugeint are done in sql/test/orderidx/Tests/ oidx_all_types.sql and 
oidx_hge_type.sql.
 
diff --git a/sql/test/orderidx/Tests/oidx_all_types.sql 
b/sql/test/orderidx/Tests/oidx_all_types.sql
--- a/sql/test/orderidx/Tests/oidx_all_types.sql
+++ b/sql/test/orderidx/Tests/oidx_all_types.sql
@@ -139,7 +139,7 @@ create ordered index "oidx_time" on all_
 create ordered index "oidx_time5" on all_types ("time5");
 create ordered index "oidx_timezone" on all_types ("timezone");
 create ordered index "oidx_time5zone" on all_types ("time5zone");
--- next data types are not supported in ordered index
+-- next data types were not supported in ordered index, but are now after 
https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=222c6823450f
 create ordered index "oidx_blob" on all_types ("blob");
 create ordered index "oidx_blob100" on all_types ("blob100");
 create ordered index "oidx_clob" on all_types ("clob");
@@ -155,6 +155,12 @@ create ordered index "oidx_url" on all_t
 create ordered index "oidx_url55" on all_types ("url55");
 create ordered index "oidx_uuid" on all_types ("uuid");
 
+-- dump the table including all indexes defined on it
+\D all_types
+
+select type, name from sys.idxs where table_id in (select id from sys._tables 
where name = 'all_types') order by name;
+
+
 -- synthese the select commands with order by ASC:
 select 'select "'||name||'" from all_types order by "'||name||'" ASC;' as stmt 
from _columns where table_id in (select id from _tables where name = 
'all_types') order by number;
 
@@ -266,6 +272,9 @@ insert into all_types select * from all_
 
 select * from all_types order by 
11,12,13,14,15,16,17,18,19,20,1,2,3,4,5,6,7,8,9,10;
 
+
+select type, name from sys.idxs where table_id in (select id from sys._tables 
where name = 'all_types') order by name;
+
 --cleanup
 -- synthese the drop index commands:
 select 'drop index "oidx_'||name||'";' as stmt from _columns where table_id in 
(select id from _tables where name = 'all_types') order by number;
@@ -305,6 +314,27 @@ drop index "oidx_time";
 drop index "oidx_time5";
 drop index "oidx_timezone";
 drop index "oidx_time5zone";
+drop index "oidx_blob";
+drop index "oidx_blob100";
+drop index "oidx_clob";
+drop index "oidx_clob100";
+drop index "oidx_character";
+drop index "oidx_varchar100";
+drop index "oidx_character10";
+drop index "oidx_inet";
+drop index "oidx_inet9";
+drop index "oidx_json";
+drop index "oidx_json10";
+drop index "oidx_url";
+drop index "oidx_url55";
+drop index "oidx_uuid";
 
-drop table all_types cascade;
+-- dump the table again, now it should not list any indexes anymore
+\D all_types
+
+drop table all_types;
 
+drop table if exists all_types cascade;
+
+select type, name from sys.idxs where table_id in (select id from sys._tables 
where name = 'all_types') order by name;
+
diff --git a/sql/test/orderidx/Tests/oidx_all_types.stable.out 
b/sql/test/orderidx/Tests/oidx_all_types.stable.out
--- a/sql/test/orderidx/Tests/oidx_all_types.stable.out
+++ b/sql/test/orderidx/Tests/oidx_all_types.stable.out
@@ -135,7 +135,7 @@ Ready.
 % 9,   4,      1,      5,      1,      1,      0 # length
 [ "all_types", 2000,   0,      false,  0,      0,      NULL    ]
 #select 'create ordered index "oidx_'||name||'" on all_types ("'||name||'");' 
as stmt from _columns where table_id in (select id from _tables where name = 
'all_types') order by number;
-% .L5 # table_name
+% .L4 # table_name
 % stmt # name
 % varchar # type
 % 75 # length
@@ -223,8 +223,183 @@ Ready.
 #create ordered index "oidx_time5" on all_types ("time5");
 #create ordered index "oidx_timezone" on all_types ("timezone");
 #create ordered index "oidx_time5zone" on all_types ("time5zone");
+#create ordered index "oidx_blob" on all_types ("blob");
+#create ordered index "oidx_blob100" on all_types ("blob100");
+#create ordered index "oidx_clob" on all_types ("clob");
+#create ordered index "oidx_clob100" on all_types ("clob100");
+#create ordered index "oidx_character" on all_types ("character");
+#create ordered index "oidx_varchar100" on all_types ("varchar100");
+#create ordered index "oidx_character10" on all_types ("character10");
+#create ordered index "oidx_inet" on all_types ("inet");
+#create ordered index "oidx_inet9" on all_types ("inet9");
+#create ordered index "oidx_json" on all_types ("json");
+#create ordered index "oidx_json10" on all_types ("json10");
+#create ordered index "oidx_url" on all_types ("url");
+#create ordered index "oidx_url55" on all_types ("url55");
+#create ordered index "oidx_uuid" on all_types ("uuid");
+START TRANSACTION;
+CREATE TABLE "sys"."all_types" (
+       "boolean"        BOOLEAN,
+       "tinyint"        TINYINT,
+       "smallint"       SMALLINT,
+       "int"            INTEGER,
+       "bigint"         BIGINT,
+       "double"         DOUBLE,
+       "real"           REAL,
+       "decimal"        DECIMAL(18,3),
+       "decimal9"       DECIMAL(9),
+       "decimal83"      DECIMAL(8,3),
+       "float"          DOUBLE,
+       "float9"         FLOAT(9),
+       "float83"        FLOAT(8,3),
+       "date"           DATE,
+       "iY"             INTERVAL YEAR,
+       "iYM"            INTERVAL YEAR TO MONTH,
+       "iM"             INTERVAL MONTH,
+       "id"             INTERVAL DAY,
+       "idh"            INTERVAL DAY TO HOUR,
+       "idm"            INTERVAL DAY TO MINUTE,
+       "ids"            INTERVAL DAY TO SECOND,
+       "ih"             INTERVAL HOUR,
+       "ihm"            INTERVAL HOUR TO MINUTE,
+       "ihs"            INTERVAL HOUR TO SECOND,
+       "im"             INTERVAL MINUTE,
+       "ims"            INTERVAL MINUTE TO SECOND,
+       "is"             INTERVAL SECOND,
+       "timestamp"      TIMESTAMP,
+       "timestamp5"     TIMESTAMP(5),
+       "timestampzone"  TIMESTAMP WITH TIME ZONE,
+       "timestamp5zone" TIMESTAMP(5) WITH TIME ZONE,
+       "time"           TIME,
+       "time5"          TIME(5),
+       "timezone"       TIME WITH TIME ZONE,
+       "time5zone"      TIME(5) WITH TIME ZONE,
+       "blob"           BINARY LARGE OBJECT,
+       "blob100"        BINARY LARGE OBJECT(100),
+       "clob"           CHARACTER LARGE OBJECT,
+       "clob100"        CHARACTER LARGE OBJECT(100),
+       "character"      CHAR(1),
+       "varchar100"     VARCHAR(100),
+       "character10"    CHAR(10),
+       "inet"           INET,
+       "inet9"          INET(9),
+       "json"           JSON,
+       "json10"         JSON(10),
+       "url"            URL,
+       "url55"          URL(55),
+       "uuid"           UUID
+);
+CREATE ORDERED INDEX "oidx_bigint" ON "sys"."all_types" ("bigint");
+CREATE ORDERED INDEX "oidx_blob" ON "sys"."all_types" ("blob");
+CREATE ORDERED INDEX "oidx_blob100" ON "sys"."all_types" ("blob100");
+CREATE ORDERED INDEX "oidx_boolean" ON "sys"."all_types" ("boolean");
+CREATE ORDERED INDEX "oidx_character" ON "sys"."all_types" ("character");
+CREATE ORDERED INDEX "oidx_character10" ON "sys"."all_types" ("character10");
+CREATE ORDERED INDEX "oidx_clob" ON "sys"."all_types" ("clob");
+CREATE ORDERED INDEX "oidx_clob100" ON "sys"."all_types" ("clob100");
+CREATE ORDERED INDEX "oidx_date" ON "sys"."all_types" ("date");
+CREATE ORDERED INDEX "oidx_decimal" ON "sys"."all_types" ("decimal");
+CREATE ORDERED INDEX "oidx_decimal83" ON "sys"."all_types" ("decimal83");
+CREATE ORDERED INDEX "oidx_decimal9" ON "sys"."all_types" ("decimal9");
+CREATE ORDERED INDEX "oidx_double" ON "sys"."all_types" ("double");
+CREATE ORDERED INDEX "oidx_float" ON "sys"."all_types" ("float");
+CREATE ORDERED INDEX "oidx_float83" ON "sys"."all_types" ("float83");
+CREATE ORDERED INDEX "oidx_float9" ON "sys"."all_types" ("float9");
+CREATE ORDERED INDEX "oidx_iM" ON "sys"."all_types" ("iM");
+CREATE ORDERED INDEX "oidx_iY" ON "sys"."all_types" ("iY");
+CREATE ORDERED INDEX "oidx_iYM" ON "sys"."all_types" ("iYM");
+CREATE ORDERED INDEX "oidx_id" ON "sys"."all_types" ("id");
+CREATE ORDERED INDEX "oidx_idh" ON "sys"."all_types" ("idh");
+CREATE ORDERED INDEX "oidx_idm" ON "sys"."all_types" ("idm");
+CREATE ORDERED INDEX "oidx_ids" ON "sys"."all_types" ("ids");
+CREATE ORDERED INDEX "oidx_ih" ON "sys"."all_types" ("ih");
+CREATE ORDERED INDEX "oidx_ihm" ON "sys"."all_types" ("ihm");
+CREATE ORDERED INDEX "oidx_ihs" ON "sys"."all_types" ("ihs");
+CREATE ORDERED INDEX "oidx_im" ON "sys"."all_types" ("im");
+CREATE ORDERED INDEX "oidx_ims" ON "sys"."all_types" ("ims");
+CREATE ORDERED INDEX "oidx_inet" ON "sys"."all_types" ("inet");
+CREATE ORDERED INDEX "oidx_inet9" ON "sys"."all_types" ("inet9");
+CREATE ORDERED INDEX "oidx_int" ON "sys"."all_types" ("int");
+CREATE ORDERED INDEX "oidx_is" ON "sys"."all_types" ("is");
+CREATE ORDERED INDEX "oidx_json" ON "sys"."all_types" ("json");
+CREATE ORDERED INDEX "oidx_json10" ON "sys"."all_types" ("json10");
+CREATE ORDERED INDEX "oidx_real" ON "sys"."all_types" ("real");
+CREATE ORDERED INDEX "oidx_smallint" ON "sys"."all_types" ("smallint");
+CREATE ORDERED INDEX "oidx_time" ON "sys"."all_types" ("time");
+CREATE ORDERED INDEX "oidx_time5" ON "sys"."all_types" ("time5");
+CREATE ORDERED INDEX "oidx_time5zone" ON "sys"."all_types" ("time5zone");
+CREATE ORDERED INDEX "oidx_timestamp" ON "sys"."all_types" ("timestamp");
+CREATE ORDERED INDEX "oidx_timestamp5" ON "sys"."all_types" ("timestamp5");
+CREATE ORDERED INDEX "oidx_timestamp5zone" ON "sys"."all_types" 
("timestamp5zone");
+CREATE ORDERED INDEX "oidx_timestampzone" ON "sys"."all_types" 
("timestampzone");
+CREATE ORDERED INDEX "oidx_timezone" ON "sys"."all_types" ("timezone");
+CREATE ORDERED INDEX "oidx_tinyint" ON "sys"."all_types" ("tinyint");
+CREATE ORDERED INDEX "oidx_url" ON "sys"."all_types" ("url");
+CREATE ORDERED INDEX "oidx_url55" ON "sys"."all_types" ("url55");
+CREATE ORDERED INDEX "oidx_uuid" ON "sys"."all_types" ("uuid");
+CREATE ORDERED INDEX "oidx_varchar100" ON "sys"."all_types" ("varchar100");
+COPY 4 RECORDS INTO "sys"."all_types" FROM stdin USING DELIMITERS 
'\t','\n','"';
+true   10      10000   1000000 10000000000     1e+30   1e+20   1.000   
123456789       12345.678       3.1415  3.1415  3.1415  2009-04-15      24      
18      3       1728000.000     108000.000      120000.000      100000.000      
36000.000       6000.000        2000.000        600.000 100.000 10.000  
"1995-07-15 07:30:00.000000"    "1995-07-15 07:30:00.00000"     "1995-07-15 
08:30:00.000000+01:00"      "1995-07-15 08:30:00.00000+01:00"       07:30:00    
    07:30:00.00000  08:30:00+01:00  08:30:00.00000+01:00    123456  123456  
"123456"        "123456"        "x"     "varchar"       "0123456789"    
127.0.0.0       127.127.127.255 {"a": 123}      {"b": 456}      
www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes 
www.monetdb.org/Documentation/Manuals/SQLreference/URLtype      
ae106ad4-81fd-4f1a-85e8-5efface60da4
+false  -10     -10000  -1000000        -10000000000    -1e+30  -1e+20  -1.000  
-123456789      -12345.678      -3.1415 -3.1415 -3.1415 2005-04-15      -24     
-18     -3      -1728000.000    -108000.000     -120000.000     -100000.000     
-36000.000      -6000.000       -2000.000       -600.000        -100.000        
-10.000 "1988-07-15 07:30:00.000000"    "1988-07-15 07:30:00.00000"     
"1988-07-15 08:30:00.000000+01:00"      "1988-07-15 08:30:00.00000+01:00"       
06:30:00        06:30:00.00000  07:30:00+01:00  07:30:00.00000+01:00    
01234567        01234567        "0123456"       "0123456"       "A"     
"Avarchar"      "A012345678"    120.0.0.0       120.120.120.129 {"A": -123}     
{"B": -456}     
https://www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes 
https://www.monetdb.org/Documentation/Manuals/SQLreference/URLtype      
76236890-f4e2-4d4f-a02b-ec7a02c3cb50
+true   10      10000   1000000 10000000000     1e+30   1e+20   1.000   
123456789       12345.678       3.1415  3.1415  3.1415  2009-04-15      24      
18      3       1728000.000     108000.000      120000.000      100000.000      
36000.000       6000.000        2000.000        600.000 100.000 10.000  
"1995-07-15 07:30:00.000000"    "1995-07-15 07:30:00.00000"     "1995-07-15 
08:30:00.000000+01:00"      "1995-07-15 08:30:00.00000+01:00"       07:30:00    
    07:30:00.00000  08:30:00+01:00  08:30:00.00000+01:00    123456  123456  
"123456"        "123456"        "x"     "varchar"       "0123456789"    
127.0.0.0       127.127.127.255 {"a": 123}      {"b": 456}      
www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes 
www.monetdb.org/Documentation/Manuals/SQLreference/URLtype      
ae106ad4-81fd-4f1a-85e8-5efface60da4
+false  -10     -10000  -1000000        -10000000000    -1e+30  -1e+20  -1.000  
-123456789      -12345.678      -3.1415 -3.1415 -3.1415 2005-04-15      -24     
-18     -3      -1728000.000    -108000.000     -120000.000     -100000.000     
-36000.000      -6000.000       -2000.000       -600.000        -100.000        
-10.000 "1988-07-15 07:30:00.000000"    "1988-07-15 07:30:00.00000"     
"1988-07-15 08:30:00.000000+01:00"      "1988-07-15 08:30:00.00000+01:00"       
06:30:00        06:30:00.00000  07:30:00+01:00  07:30:00.00000+01:00    
01234567        01234567        "0123456"       "0123456"       "A"     
"Avarchar"      "A012345678"    120.0.0.0       120.120.120.129 {"A": -123}     
{"B": -456}     
https://www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes 
https://www.monetdb.org/Documentation/Manuals/SQLreference/URLtype      
76236890-f4e2-4d4f-a02b-ec7a02c3cb50
+COMMIT;
+#select type, name from sys.idxs where table_id in (select id from sys._tables 
where name = 'all_types') order by name;
+% sys.idxs,    sys.idxs # table_name
+% type,        name # name
+% int, varchar # type
+% 1,   19 # length
+[ 5,   "oidx_bigint"   ]
+[ 5,   "oidx_blob"     ]
+[ 5,   "oidx_blob100"  ]
+[ 5,   "oidx_boolean"  ]
+[ 5,   "oidx_character"        ]
+[ 5,   "oidx_character10"      ]
+[ 5,   "oidx_clob"     ]
+[ 5,   "oidx_clob100"  ]
+[ 5,   "oidx_date"     ]
+[ 5,   "oidx_decimal"  ]
+[ 5,   "oidx_decimal83"        ]
+[ 5,   "oidx_decimal9" ]
+[ 5,   "oidx_double"   ]
+[ 5,   "oidx_float"    ]
+[ 5,   "oidx_float83"  ]
+[ 5,   "oidx_float9"   ]
+[ 5,   "oidx_iM"       ]
+[ 5,   "oidx_iY"       ]
+[ 5,   "oidx_iYM"      ]
+[ 5,   "oidx_id"       ]
+[ 5,   "oidx_idh"      ]
+[ 5,   "oidx_idm"      ]
+[ 5,   "oidx_ids"      ]
+[ 5,   "oidx_ih"       ]
+[ 5,   "oidx_ihm"      ]
+[ 5,   "oidx_ihs"      ]
+[ 5,   "oidx_im"       ]
+[ 5,   "oidx_ims"      ]
+[ 5,   "oidx_inet"     ]
+[ 5,   "oidx_inet9"    ]
+[ 5,   "oidx_int"      ]
+[ 5,   "oidx_is"       ]
+[ 5,   "oidx_json"     ]
+[ 5,   "oidx_json10"   ]
+[ 5,   "oidx_real"     ]
+[ 5,   "oidx_smallint" ]
+[ 5,   "oidx_time"     ]
+[ 5,   "oidx_time5"    ]
+[ 5,   "oidx_time5zone"        ]
+[ 5,   "oidx_timestamp"        ]
+[ 5,   "oidx_timestamp5"       ]
+[ 5,   "oidx_timestamp5zone"   ]
+[ 5,   "oidx_timestampzone"    ]
+[ 5,   "oidx_timezone" ]
+[ 5,   "oidx_tinyint"  ]
+[ 5,   "oidx_url"      ]
+[ 5,   "oidx_url55"    ]
+[ 5,   "oidx_uuid"     ]
+[ 5,   "oidx_varchar100"       ]
 #select 'select "'||name||'" from all_types order by "'||name||'" ASC;' as 
stmt from _columns where table_id in (select id from _tables where name = 
'all_types') order by number;
-% .L5 # table_name
+% .L4 # table_name
 % stmt # name
 % varchar # type
 % 69 # length
@@ -719,7 +894,7 @@ Ready.
 [ ae106ad4-81fd-4f1a-85e8-5efface60da4 ]
 [ ae106ad4-81fd-4f1a-85e8-5efface60da4 ]
 #select 'select "'||name||'" from all_types order by "'||name||'" DESC;' as 
stmt from _columns where table_id in (select id from _tables where name = 
'all_types') order by number;
-% .L5 # table_name
+% .L4 # table_name
 % stmt # name
 % varchar # type
 % 70 # length
@@ -1228,8 +1403,62 @@ Ready.
 [ true,        10,     10000,  1000000,        10000000000,    1e+30,  1e+20,  
1.000,  123456789,      12345.678,      3.1415, 3.1415, 3.1415, 2009-04-15,     
24,     18,     3,      1728000.000,    108000.000,     120000.000,     
100000.000,     36000.000,      6000.000,       2000.000,       600.000,        
100.000,        10.000, 1995-07-15 07:30:00.000000,     1995-07-15 
07:30:00.00000,      1995-07-15 08:30:00.000000+01:00,       1995-07-15 
08:30:00.00000+01:00,        07:30:00,       07:30:00.00000, 08:30:00+01:00, 
08:30:00.00000+01:00,   123456, 123456, "123456",       "123456",       "x",    
"varchar",      "0123456789",   127.0.0.0,      127.127.127.255,        
"{\"a\": 123}", "{\"b\": 456}", 
www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes,        
www.monetdb.org/Documentation/Manuals/SQLreference/URLtype,     
ae106ad4-81fd-4f1a-85e8-5efface60da4    ]
 [ true,        10,     10000,  1000000,        10000000000,    1e+30,  1e+20,  
1.000,  123456789,      12345.678,      3.1415, 3.1415, 3.1415, 2009-04-15,     
24,     18,     3,      1728000.000,    108000.000,     120000.000,     
100000.000,     36000.000,      6000.000,       2000.000,       600.000,        
100.000,        10.000, 1995-07-15 07:30:00.000000,     1995-07-15 
07:30:00.00000,      1995-07-15 08:30:00.000000+01:00,       1995-07-15 
08:30:00.00000+01:00,        07:30:00,       07:30:00.00000, 08:30:00+01:00, 
08:30:00.00000+01:00,   123456, 123456, "123456",       "123456",       "x",    
"varchar",      "0123456789",   127.0.0.0,      127.127.127.255,        
"{\"a\": 123}", "{\"b\": 456}", 
www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes,        
www.monetdb.org/Documentation/Manuals/SQLreference/URLtype,     
ae106ad4-81fd-4f1a-85e8-5efface60da4    ]
 [ true,        10,     10000,  1000000,        10000000000,    1e+30,  1e+20,  
1.000,  123456789,      12345.678,      3.1415, 3.1415, 3.1415, 2009-04-15,     
24,     18,     3,      1728000.000,    108000.000,     120000.000,     
100000.000,     36000.000,      6000.000,       2000.000,       600.000,        
100.000,        10.000, 1995-07-15 07:30:00.000000,     1995-07-15 
07:30:00.00000,      1995-07-15 08:30:00.000000+01:00,       1995-07-15 
08:30:00.00000+01:00,        07:30:00,       07:30:00.00000, 08:30:00+01:00, 
08:30:00.00000+01:00,   123456, 123456, "123456",       "123456",       "x",    
"varchar",      "0123456789",   127.0.0.0,      127.127.127.255,        
"{\"a\": 123}", "{\"b\": 456}", 
www.monetdb.org/Documentation/Manuals/SQLreference/BuiltinTypes,        
www.monetdb.org/Documentation/Manuals/SQLreference/URLtype,     
ae106ad4-81fd-4f1a-85e8-5efface60da4    ]
+#select type, name from sys.idxs where table_id in (select id from sys._tables 
where name = 'all_types') order by name;
+% sys.idxs,    sys.idxs # table_name
+% type,        name # name
+% int, varchar # type
+% 1,   19 # length
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