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authorTom Lane <tgl@sss.pgh.pa.us>2002-04-19 16:36:08 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2002-04-19 16:36:08 +0000
commit201737168c4ed5b14313d111d8d746c7f072f24e (patch)
tree4936cf1082506bbf110dbf49d7e219f92e729c0d /src/backend/tcop/postgres.c
parent87d00363cb46aa5f69ec4ed7874c356a0db8f25a (diff)
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pg_trigger's index on tgrelid is replaced by a unique index on
(tgrelid, tgname). This provides an additional check on trigger name uniqueness per-table (which was already enforced by the code anyway). With this change, RelationBuildTriggers will read the triggers in order by tgname, since it's scanning using this index. Since a predictable trigger ordering has been requested for some time, document this behavior as a feature. Also document that rules fire in name order, since yesterday's changes to pg_rewrite indexing cause that too.
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