There seems to be some base bug in _hash_doinsert(). + * XXX this is useless code if we are only storing hash keys.
+ */
+ if (itemsz > HashMaxItemSize((Page) metap))
+ ereport(ERROR,
+ (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
+ errmsg("index row size %zu exceeds hash maximum %zu",
+ itemsz, HashMaxItemSize((Page) metap)),
+ errhint("Values larger than a buffer page cannot be
indexed.")));
"metap" (HashMetaPage) is not a Page (they the entirely different
structure), so above casting is not legal. Added a patch to correct same by
passing actual Page which stores "HashMetaPage".
--
Thanks and Regards
Mithun C Y
EnterpriseDB: http://www.enterprisedb.com
hash_doinsert_illegal_cast_01.patch
Description: Binary data
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