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Commitb1953e6

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Improve ordering for \dAo and \dAp psql commands
This commit changes ORDER BY clause for \dAo and \dAp psql commands inthe following way. * Operators for the same types are grouped together. * Same-class operators and procedures are listed before cross-class operators and procedures.Modification of ORDER BY clause for \dAp required removing DISTINCT clause,which doesn't seem to affect anything.Discussion:https://postgr.es/m/20200511210856.GA18368%40alvherre.pgsqlAuthor: Alvaro Herrera revised by meReviewed-by: Alexander Korotkov, Nikita Glukhov
1 parenteeba6c7 commitb1953e6

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3 files changed

+49
-25
lines changed

3 files changed

+49
-25
lines changed

‎src/bin/psql/describe.c

Lines changed: 9 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -6288,7 +6288,11 @@ listOpFamilyOperators(const char *access_method_pattern,
62886288
processSQLNamePattern(pset.db,&buf,family_pattern,have_where, false,
62896289
"nsf.nspname","of.opfname",NULL,NULL);
62906290

6291-
appendPQExpBufferStr(&buf,"ORDER BY 1, 2, o.amopstrategy, 3;");
6291+
appendPQExpBufferStr(&buf,"ORDER BY 1, 2,\n"
6292+
" o.amoplefttype = o.amoprighttype DESC,\n"
6293+
" pg_catalog.format_type(o.amoplefttype, NULL),\n"
6294+
" pg_catalog.format_type(o.amoprighttype, NULL),\n"
6295+
" o.amopstrategy;");
62926296

62936297
res=PSQLexec(buf.data);
62946298
termPQExpBuffer(&buf);
@@ -6327,7 +6331,7 @@ listOpFamilyProcedures(const char *access_method_pattern,
63276331
initPQExpBuffer(&buf);
63286332

63296333
printfPQExpBuffer(&buf,
6330-
"SELECT DISTINCT\n"
6334+
"SELECT\n"
63316335
" am.amname AS \"%s\",\n"
63326336
" CASE\n"
63336337
" WHEN pg_catalog.pg_opfamily_is_visible(of.oid)\n"
@@ -6360,8 +6364,9 @@ listOpFamilyProcedures(const char *access_method_pattern,
63606364
processSQLNamePattern(pset.db,&buf,family_pattern,have_where, false,
63616365
"ns.nspname","of.opfname",NULL,NULL);
63626366

6363-
appendPQExpBufferStr(&buf,
6364-
"ORDER BY 1, 2, 3, 4, 5;");
6367+
appendPQExpBufferStr(&buf,"ORDER BY 1, 2,\n"
6368+
" ap.amproclefttype = ap.amprocrighttype DESC,\n"
6369+
" 3, 4, 5;");
63656370

63666371
res=PSQLexec(buf.data);
63676372
termPQExpBuffer(&buf);

‎src/test/regress/expected/psql.out

Lines changed: 38 additions & 19 deletions
Original file line numberDiff line numberDiff line change
@@ -4952,16 +4952,31 @@ List of access methods
49524952
btree | integer_ops | smallint, integer, bigint
49534953
(1 row)
49544954

4955-
\dAo brin uuid_minmax_ops
4956-
List of operators of operator families
4957-
AM | Opfamily Name | Operator
4958-
------+-----------------+-----------------
4959-
brin | uuid_minmax_ops | < (uuid, uuid)
4960-
brin | uuid_minmax_ops | <= (uuid, uuid)
4961-
brin | uuid_minmax_ops | = (uuid, uuid)
4962-
brin | uuid_minmax_ops | >= (uuid, uuid)
4963-
brin | uuid_minmax_ops | > (uuid, uuid)
4964-
(5 rows)
4955+
\dAo+ btree float_ops
4956+
List of operators of operator families
4957+
AM | Opfamily Name | Operator | Strategy | Purpose | Sort opfamily
4958+
-------+---------------+-----------------------------------------+----------+---------+---------------
4959+
btree | float_ops | < (double precision, double precision) | 1 | search |
4960+
btree | float_ops | <= (double precision, double precision) | 2 | search |
4961+
btree | float_ops | = (double precision, double precision) | 3 | search |
4962+
btree | float_ops | >= (double precision, double precision) | 4 | search |
4963+
btree | float_ops | > (double precision, double precision) | 5 | search |
4964+
btree | float_ops | < (real, real) | 1 | search |
4965+
btree | float_ops | <= (real, real) | 2 | search |
4966+
btree | float_ops | = (real, real) | 3 | search |
4967+
btree | float_ops | >= (real, real) | 4 | search |
4968+
btree | float_ops | > (real, real) | 5 | search |
4969+
btree | float_ops | < (double precision, real) | 1 | search |
4970+
btree | float_ops | <= (double precision, real) | 2 | search |
4971+
btree | float_ops | = (double precision, real) | 3 | search |
4972+
btree | float_ops | >= (double precision, real) | 4 | search |
4973+
btree | float_ops | > (double precision, real) | 5 | search |
4974+
btree | float_ops | < (real, double precision) | 1 | search |
4975+
btree | float_ops | <= (real, double precision) | 2 | search |
4976+
btree | float_ops | = (real, double precision) | 3 | search |
4977+
btree | float_ops | >= (real, double precision) | 4 | search |
4978+
btree | float_ops | > (real, double precision) | 5 | search |
4979+
(20 rows)
49654980

49664981
\dAo * pg_catalog.jsonb_path_ops
49674982
List of operators of operator families
@@ -4972,15 +4987,19 @@ List of access methods
49724987
gin | jsonb_path_ops | @@ (jsonb, jsonpath)
49734988
(3 rows)
49744989

4975-
\dAp brin uuid_minmax_ops
4976-
List of procedures of operator families
4977-
AM | Operator family | Left arg type | Right arg type | Number | Proc name
4978-
------+-----------------+---------------+----------------+--------+------------------------
4979-
brin | uuid_minmax_ops | uuid | uuid | 1 | brin_minmax_opcinfo
4980-
brin | uuid_minmax_ops | uuid | uuid | 2 | brin_minmax_add_value
4981-
brin | uuid_minmax_ops | uuid | uuid | 3 | brin_minmax_consistent
4982-
brin | uuid_minmax_ops | uuid | uuid | 4 | brin_minmax_union
4983-
(4 rows)
4990+
\dAp btree float_ops
4991+
List of procedures of operator families
4992+
AM | Operator family | Left arg type | Right arg type | Number | Proc name
4993+
-------+-----------------+------------------+------------------+--------+---------------------
4994+
btree | float_ops | double precision | double precision | 1 | btfloat8cmp
4995+
btree | float_ops | double precision | double precision | 2 | btfloat8sortsupport
4996+
btree | float_ops | double precision | double precision | 3 | in_range
4997+
btree | float_ops | real | real | 1 | btfloat4cmp
4998+
btree | float_ops | real | real | 2 | btfloat4sortsupport
4999+
btree | float_ops | double precision | real | 1 | btfloat84cmp
5000+
btree | float_ops | real | double precision | 1 | btfloat48cmp
5001+
btree | float_ops | real | double precision | 3 | in_range
5002+
(8 rows)
49845003

49855004
\dAp * pg_catalog.uuid_ops
49865005
List of procedures of operator families

‎src/test/regress/sql/psql.sql

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1203,7 +1203,7 @@ drop role regress_partitioning_role;
12031203
\dAc brin pg*.oid*
12041204
\dAf spgist
12051205
\dAf btree int4
1206-
\dAo brin uuid_minmax_ops
1206+
\dAo+ btree float_ops
12071207
\dAo*pg_catalog.jsonb_path_ops
1208-
\dApbrin uuid_minmax_ops
1208+
\dApbtree float_ops
12091209
\dAp*pg_catalog.uuid_ops

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