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psql: Support identity columns in sequence display

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Where the footer for an owned serial sequence would say "Owned by", put
something analogous for a sequence belonging to an identity column.

Reported-by: Vitaly Burovoy <vitaly.burovoy@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-04-28 14:43:36 -04:00
parent 5e1ccd4844
commit e4fddfd492
1 changed files with 16 additions and 5 deletions
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15
src/bin/psql/describe.c
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@@ -2006,7 +2006,8 @@ describeOneTableDetails(const char *schemaname,
/* Get the column that owns this sequence */ /* Get the column that owns this sequence */
printfPQExpBuffer(&buf, "SELECT pg_catalog.quote_ident(nspname) || '.' ||" printfPQExpBuffer(&buf, "SELECT pg_catalog.quote_ident(nspname) || '.' ||"
"\n pg_catalog.quote_ident(relname) || '.' ||" "\n pg_catalog.quote_ident(relname) || '.' ||"
"\n pg_catalog.quote_ident(attname)" "\n pg_catalog.quote_ident(attname),"
"\n d.deptype"
"\nFROM pg_catalog.pg_class c" "\nFROM pg_catalog.pg_class c"
"\nINNER JOIN pg_catalog.pg_depend d ON c.oid=d.refobjid" "\nINNER JOIN pg_catalog.pg_depend d ON c.oid=d.refobjid"
"\nINNER JOIN pg_catalog.pg_namespace n ON n.oid=c.relnamespace" "\nINNER JOIN pg_catalog.pg_namespace n ON n.oid=c.relnamespace"
@@ -2016,7 +2017,7 @@ describeOneTableDetails(const char *schemaname,
"\nWHERE d.classid='pg_catalog.pg_class'::pg_catalog.regclass" "\nWHERE d.classid='pg_catalog.pg_class'::pg_catalog.regclass"
"\n AND d.refclassid='pg_catalog.pg_class'::pg_catalog.regclass" "\n AND d.refclassid='pg_catalog.pg_class'::pg_catalog.regclass"
"\n AND d.objid=%s" "\n AND d.objid=%s"
"\n AND d.deptype='a'", "\n AND d.deptype IN ('a', 'i')",
oid); oid);
result = PSQLexec(buf.data); result = PSQLexec(buf.data);
@@ -2024,9 +2025,19 @@ describeOneTableDetails(const char *schemaname,
goto error_return; goto error_return;
else if (PQntuples(result) == 1) else if (PQntuples(result) == 1)
{ {
switch (PQgetvalue(result, 0, 1)[0])
{
case 'a':
printfPQExpBuffer(&buf, _("Owned by: %s"), printfPQExpBuffer(&buf, _("Owned by: %s"),
PQgetvalue(result, 0, 0)); PQgetvalue(result, 0, 0));
printTableAddFooter(&cont, buf.data); printTableAddFooter(&cont, buf.data);
break;
case 'i':
printfPQExpBuffer(&buf, _("Sequence for identity column: %s"),
PQgetvalue(result, 0, 0));
printTableAddFooter(&cont, buf.data);
break;
}
} }
/* /*