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Clarify error message when attempting to create index on foreign table

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Instead of just saying "is not a table", specifically state that
indexes aren't supported on *foreign* tables.
This commit is contained in:
Magnus Hagander 2011-05-05 21:47:42 +02:00
parent fb3ad7895e
commit d76a149c95
1 changed files with 16 additions and 4 deletions
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20
src/backend/commands/indexcmds.c
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@ -183,10 +183,22 @@ DefineIndex(RangeVar *heapRelation,
/* Note: during bootstrap may see uncataloged relation */
if (rel->rd_rel->relkind != RELKIND_RELATION &&
rel->rd_rel->relkind != RELKIND_UNCATALOGED)
ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("\"%s\" is not a table",
heapRelation->relname)));
{
if (rel->rd_rel->relkind == RELKIND_FOREIGN_TABLE)
/*
* Custom error message for FOREIGN TABLE since the term is
* close to a regular table and can confuse the user.
*/
ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("cannot create index on foreign table \"%s\"",
heapRelation->relname)));
else
ereport(ERROR,
(errcode(ERRCODE_WRONG_OBJECT_TYPE),
errmsg("\"%s\" is not a table",
heapRelation->relname)));
}
/*
* Don't try to CREATE INDEX on temp tables of other backends.