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Clarify error message when attempting to create index on foreign table
Instead of just saying "is not a table", specifically state that indexes aren't supported on *foreign* tables.
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@ -183,10 +183,22 @@ DefineIndex(RangeVar *heapRelation,
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/* Note: during bootstrap may see uncataloged relation */
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if (rel->rd_rel->relkind != RELKIND_RELATION &&
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rel->rd_rel->relkind != RELKIND_UNCATALOGED)
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{
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if (rel->rd_rel->relkind == RELKIND_FOREIGN_TABLE)
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/*
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* Custom error message for FOREIGN TABLE since the term is
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* close to a regular table and can confuse the user.
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*/
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ereport(ERROR,
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(errcode(ERRCODE_WRONG_OBJECT_TYPE),
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errmsg("cannot create index on foreign table \"%s\"",
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heapRelation->relname)));
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else
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ereport(ERROR,
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(errcode(ERRCODE_WRONG_OBJECT_TYPE),
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errmsg("\"%s\" is not a table",
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heapRelation->relname)));
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}
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/*
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* Don't try to CREATE INDEX on temp tables of other backends.
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