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-rw-r--r--src/bin/psql/describe.c216
1 files changed, 102 insertions, 114 deletions
diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index bf565afcc4e..e038e9dc9e2 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -2550,136 +2550,124 @@ describeOneTableDetails(const char *schemaname,
PQclear(result);
}
- /*
- * Print foreign-key constraints (there are none if no triggers,
- * except if the table is partitioned, in which case the triggers
- * appear in the partitions)
- */
- if (tableinfo.hastriggers ||
- tableinfo.relkind == RELKIND_PARTITIONED_TABLE)
+ /* Print foreign-key constraints */
+ if (pset.sversion >= 120000 &&
+ (tableinfo.ispartition || tableinfo.relkind == RELKIND_PARTITIONED_TABLE))
{
- if (pset.sversion >= 120000 &&
- (tableinfo.ispartition || tableinfo.relkind == RELKIND_PARTITIONED_TABLE))
- {
- /*
- * Put the constraints defined in this table first, followed
- * by the constraints defined in ancestor partitioned tables.
- */
- printfPQExpBuffer(&buf,
- "SELECT conrelid = '%s'::pg_catalog.regclass AS sametable,\n"
- " conname,\n"
- " pg_catalog.pg_get_constraintdef(oid, true) AS condef,\n"
- " conrelid::pg_catalog.regclass AS ontable\n"
- " FROM pg_catalog.pg_constraint,\n"
- " pg_catalog.pg_partition_ancestors('%s')\n"
- " WHERE conrelid = relid AND contype = " CppAsString2(CONSTRAINT_FOREIGN) " AND conparentid = 0\n"
- "ORDER BY sametable DESC, conname;",
- oid, oid);
- }
- else
- {
- printfPQExpBuffer(&buf,
- "SELECT true as sametable, conname,\n"
- " pg_catalog.pg_get_constraintdef(r.oid, true) as condef,\n"
- " conrelid::pg_catalog.regclass AS ontable\n"
- "FROM pg_catalog.pg_constraint r\n"
- "WHERE r.conrelid = '%s' AND r.contype = " CppAsString2(CONSTRAINT_FOREIGN) "\n",
- oid);
-
- if (pset.sversion >= 120000)
- appendPQExpBufferStr(&buf, " AND conparentid = 0\n");
- appendPQExpBufferStr(&buf, "ORDER BY conname");
- }
+ /*
+ * Put the constraints defined in this table first, followed by
+ * the constraints defined in ancestor partitioned tables.
+ */
+ printfPQExpBuffer(&buf,
+ "SELECT conrelid = '%s'::pg_catalog.regclass AS sametable,\n"
+ " conname,\n"
+ " pg_catalog.pg_get_constraintdef(oid, true) AS condef,\n"
+ " conrelid::pg_catalog.regclass AS ontable\n"
+ " FROM pg_catalog.pg_constraint,\n"
+ " pg_catalog.pg_partition_ancestors('%s')\n"
+ " WHERE conrelid = relid AND contype = " CppAsString2(CONSTRAINT_FOREIGN) " AND conparentid = 0\n"
+ "ORDER BY sametable DESC, conname;",
+ oid, oid);
+ }
+ else
+ {
+ printfPQExpBuffer(&buf,
+ "SELECT true as sametable, conname,\n"
+ " pg_catalog.pg_get_constraintdef(r.oid, true) as condef,\n"
+ " conrelid::pg_catalog.regclass AS ontable\n"
+ "FROM pg_catalog.pg_constraint r\n"
+ "WHERE r.conrelid = '%s' AND r.contype = " CppAsString2(CONSTRAINT_FOREIGN) "\n",
+ oid);
- result = PSQLexec(buf.data);
- if (!result)
- goto error_return;
- else
- tuples = PQntuples(result);
+ if (pset.sversion >= 120000)
+ appendPQExpBufferStr(&buf, " AND conparentid = 0\n");
+ appendPQExpBufferStr(&buf, "ORDER BY conname");
+ }
- if (tuples > 0)
- {
- int i_sametable = PQfnumber(result, "sametable"),
- i_conname = PQfnumber(result, "conname"),
- i_condef = PQfnumber(result, "condef"),
- i_ontable = PQfnumber(result, "ontable");
+ result = PSQLexec(buf.data);
+ if (!result)
+ goto error_return;
+ else
+ tuples = PQntuples(result);
- printTableAddFooter(&cont, _("Foreign-key constraints:"));
- for (i = 0; i < tuples; i++)
- {
- /*
- * Print untranslated constraint name and definition. Use
- * a "TABLE tab" prefix when the constraint is defined in
- * a parent partitioned table.
- */
- if (strcmp(PQgetvalue(result, i, i_sametable), "f") == 0)
- printfPQExpBuffer(&buf, " TABLE \"%s\" CONSTRAINT \"%s\" %s",
- PQgetvalue(result, i, i_ontable),
- PQgetvalue(result, i, i_conname),
- PQgetvalue(result, i, i_condef));
- else
- printfPQExpBuffer(&buf, " \"%s\" %s",
- PQgetvalue(result, i, i_conname),
- PQgetvalue(result, i, i_condef));
+ if (tuples > 0)
+ {
+ int i_sametable = PQfnumber(result, "sametable"),
+ i_conname = PQfnumber(result, "conname"),
+ i_condef = PQfnumber(result, "condef"),
+ i_ontable = PQfnumber(result, "ontable");
- printTableAddFooter(&cont, buf.data);
- }
+ printTableAddFooter(&cont, _("Foreign-key constraints:"));
+ for (i = 0; i < tuples; i++)
+ {
+ /*
+ * Print untranslated constraint name and definition. Use a
+ * "TABLE tab" prefix when the constraint is defined in a
+ * parent partitioned table.
+ */
+ if (strcmp(PQgetvalue(result, i, i_sametable), "f") == 0)
+ printfPQExpBuffer(&buf, " TABLE \"%s\" CONSTRAINT \"%s\" %s",
+ PQgetvalue(result, i, i_ontable),
+ PQgetvalue(result, i, i_conname),
+ PQgetvalue(result, i, i_condef));
+ else
+ printfPQExpBuffer(&buf, " \"%s\" %s",
+ PQgetvalue(result, i, i_conname),
+ PQgetvalue(result, i, i_condef));
+
+ printTableAddFooter(&cont, buf.data);
}
- PQclear(result);
}
+ PQclear(result);
/* print incoming foreign-key references */
- if (tableinfo.hastriggers ||
- tableinfo.relkind == RELKIND_PARTITIONED_TABLE)
+ if (pset.sversion >= 120000)
{
- if (pset.sversion >= 120000)
- {
- printfPQExpBuffer(&buf,
- "SELECT conname, conrelid::pg_catalog.regclass AS ontable,\n"
- " pg_catalog.pg_get_constraintdef(oid, true) AS condef\n"
- " FROM pg_catalog.pg_constraint c\n"
- " WHERE confrelid IN (SELECT pg_catalog.pg_partition_ancestors('%s')\n"
- " UNION ALL VALUES ('%s'::pg_catalog.regclass))\n"
- " AND contype = " CppAsString2(CONSTRAINT_FOREIGN) " AND conparentid = 0\n"
- "ORDER BY conname;",
- oid, oid);
- }
- else
- {
- printfPQExpBuffer(&buf,
- "SELECT conname, conrelid::pg_catalog.regclass AS ontable,\n"
- " pg_catalog.pg_get_constraintdef(oid, true) AS condef\n"
- " FROM pg_catalog.pg_constraint\n"
- " WHERE confrelid = %s AND contype = " CppAsString2(CONSTRAINT_FOREIGN) "\n"
- "ORDER BY conname;",
- oid);
- }
+ printfPQExpBuffer(&buf,
+ "SELECT conname, conrelid::pg_catalog.regclass AS ontable,\n"
+ " pg_catalog.pg_get_constraintdef(oid, true) AS condef\n"
+ " FROM pg_catalog.pg_constraint c\n"
+ " WHERE confrelid IN (SELECT pg_catalog.pg_partition_ancestors('%s')\n"
+ " UNION ALL VALUES ('%s'::pg_catalog.regclass))\n"
+ " AND contype = " CppAsString2(CONSTRAINT_FOREIGN) " AND conparentid = 0\n"
+ "ORDER BY conname;",
+ oid, oid);
+ }
+ else
+ {
+ printfPQExpBuffer(&buf,
+ "SELECT conname, conrelid::pg_catalog.regclass AS ontable,\n"
+ " pg_catalog.pg_get_constraintdef(oid, true) AS condef\n"
+ " FROM pg_catalog.pg_constraint\n"
+ " WHERE confrelid = %s AND contype = " CppAsString2(CONSTRAINT_FOREIGN) "\n"
+ "ORDER BY conname;",
+ oid);
+ }
- result = PSQLexec(buf.data);
- if (!result)
- goto error_return;
- else
- tuples = PQntuples(result);
+ result = PSQLexec(buf.data);
+ if (!result)
+ goto error_return;
+ else
+ tuples = PQntuples(result);
- if (tuples > 0)
- {
- int i_conname = PQfnumber(result, "conname"),
- i_ontable = PQfnumber(result, "ontable"),
- i_condef = PQfnumber(result, "condef");
+ if (tuples > 0)
+ {
+ int i_conname = PQfnumber(result, "conname"),
+ i_ontable = PQfnumber(result, "ontable"),
+ i_condef = PQfnumber(result, "condef");
- printTableAddFooter(&cont, _("Referenced by:"));
- for (i = 0; i < tuples; i++)
- {
- printfPQExpBuffer(&buf, " TABLE \"%s\" CONSTRAINT \"%s\" %s",
- PQgetvalue(result, i, i_ontable),
- PQgetvalue(result, i, i_conname),
- PQgetvalue(result, i, i_condef));
+ printTableAddFooter(&cont, _("Referenced by:"));
+ for (i = 0; i < tuples; i++)
+ {
+ printfPQExpBuffer(&buf, " TABLE \"%s\" CONSTRAINT \"%s\" %s",
+ PQgetvalue(result, i, i_ontable),
+ PQgetvalue(result, i, i_conname),
+ PQgetvalue(result, i, i_condef));
- printTableAddFooter(&cont, buf.data);
- }
+ printTableAddFooter(&cont, buf.data);
}
- PQclear(result);
}
+ PQclear(result);
/* print any row-level policies */
if (pset.sversion >= 90500)
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-16 09:26:31 +0000