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Fix memory leak for hashing with nondeterministic collations.

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Backpatch through 12, where nondeterministic collations were
introduced (5e1963fb76).

Backpatch-through: 12
This commit is contained in:
Jeff Davis
2022-12-01 11:26:32 -08:00
parent a475157e6b
commit a844052b5d
2 changed files with 4 additions and 0 deletions
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2
src/backend/access/hash/hashfunc.c
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@ -303,6 +303,7 @@ hashtext(PG_FUNCTION_ARGS)
buf = palloc(bsize); buf = palloc(bsize);
ucol_getSortKey(mylocale->info.icu.ucol, ucol_getSortKey(mylocale->info.icu.ucol,
uchar, ulen, buf, bsize); uchar, ulen, buf, bsize);
pfree(uchar);
result = hash_any(buf, bsize); result = hash_any(buf, bsize);
@ -360,6 +361,7 @@ hashtextextended(PG_FUNCTION_ARGS)
buf = palloc(bsize); buf = palloc(bsize);
ucol_getSortKey(mylocale->info.icu.ucol, ucol_getSortKey(mylocale->info.icu.ucol,
uchar, ulen, buf, bsize); uchar, ulen, buf, bsize);
pfree(uchar);
result = hash_any_extended(buf, bsize, PG_GETARG_INT64(1)); result = hash_any_extended(buf, bsize, PG_GETARG_INT64(1));

2
src/backend/utils/adt/varchar.c
View File

@ -1020,6 +1020,7 @@ hashbpchar(PG_FUNCTION_ARGS)
buf = palloc(bsize); buf = palloc(bsize);
ucol_getSortKey(mylocale->info.icu.ucol, ucol_getSortKey(mylocale->info.icu.ucol,
uchar, ulen, buf, bsize); uchar, ulen, buf, bsize);
pfree(uchar);
result = hash_any(buf, bsize); result = hash_any(buf, bsize);
@ -1081,6 +1082,7 @@ hashbpcharextended(PG_FUNCTION_ARGS)
buf = palloc(bsize); buf = palloc(bsize);
ucol_getSortKey(mylocale->info.icu.ucol, ucol_getSortKey(mylocale->info.icu.ucol,
uchar, ulen, buf, bsize); uchar, ulen, buf, bsize);
pfree(uchar);
result = hash_any_extended(buf, bsize, PG_GETARG_INT64(1)); result = hash_any_extended(buf, bsize, PG_GETARG_INT64(1));