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Commit67ec9ad

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Fix session-lifespan memory leak when a plperl function is redefined:
we have to tell Perl it can release its compiled copy of the functiontext. Noted by Alexey Klyukin.Back-patch to 8.2 --- the problem exists further back, but this patchwon't work without modification, and it's probably not worth the trouble.
1 parent2203282 commit67ec9ad

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‎src/pl/plperl/plperl.c

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
11
/**********************************************************************
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* plperl.c - perl as a procedural language for PostgreSQL
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*
4-
* $PostgreSQL: pgsql/src/pl/plperl/plperl.c,v 1.154 2009/11/2903:02:27 tgl Exp $
4+
* $PostgreSQL: pgsql/src/pl/plperl/plperl.c,v 1.155 2009/11/2921:02:16 tgl Exp $
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*
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**********************************************************************/
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@@ -1651,11 +1651,13 @@ compile_plperl_function(Oid fn_oid, bool is_trigger)
16511651

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if (!uptodate)
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{
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hash_search(plperl_proc_hash,internal_proname,
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HASH_REMOVE,NULL);
1656+
if (prodesc->reference)
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SvREFCNT_dec(prodesc->reference);
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free(prodesc->proname);
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free(prodesc);
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prodesc=NULL;
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hash_search(plperl_proc_hash,internal_proname,
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HASH_REMOVE,NULL);
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}
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}
16611663

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