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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2008-12-28 18:54:01 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2008-12-28 18:54:01 +0000 |
| commit | 95b07bc7f5010233f52f9d11da74e2e5b653b0a7 (patch) | |
| tree | 48f5858bf4eca1bfb316ef02bb959ca85f568e0a /src/backend/utils/adt/arrayfuncs.c | |
| parent | 38e9348282e9d078487147ba8a85aebec54e3a08 (diff) | |
| download | postgresql-95b07bc7f5010233f52f9d11da74e2e5b653b0a7.tar.gz postgresql-95b07bc7f5010233f52f9d11da74e2e5b653b0a7.zip | |
Support window functions a la SQL:2008.
Hitoshi Harada, with some kibitzing from Heikki and Tom.
Diffstat (limited to 'src/backend/utils/adt/arrayfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/arrayfuncs.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/backend/utils/adt/arrayfuncs.c b/src/backend/utils/adt/arrayfuncs.c index 4580040d697..a0501b8fa8c 100644 --- a/src/backend/utils/adt/arrayfuncs.c +++ b/src/backend/utils/adt/arrayfuncs.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.150 2008/11/14 00:51:46 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/arrayfuncs.c,v 1.151 2008/12/28 18:53:59 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -4208,7 +4208,7 @@ makeArrayResult(ArrayBuildState *astate, dims[0] = astate->nelems; lbs[0] = 1; - return makeMdArrayResult(astate, 1, dims, lbs, rcontext); + return makeMdArrayResult(astate, 1, dims, lbs, rcontext, true); } /* @@ -4219,13 +4219,15 @@ makeArrayResult(ArrayBuildState *astate, * * astate is working state (not NULL) * rcontext is where to construct result + * release is true if okay to release working state */ Datum makeMdArrayResult(ArrayBuildState *astate, int ndims, int *dims, int *lbs, - MemoryContext rcontext) + MemoryContext rcontext, + bool release) { ArrayType *result; MemoryContext oldcontext; @@ -4246,7 +4248,8 @@ makeMdArrayResult(ArrayBuildState *astate, MemoryContextSwitchTo(oldcontext); /* Clean up all the junk */ - MemoryContextDelete(astate->mcontext); + if (release) + MemoryContextDelete(astate->mcontext); return PointerGetDatum(result); } |