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About a 1% overall performance improvement by using a macro to avoid

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no-op calls to sqlite3MemReleaseExternal().

FossilOrigin-Name: ff71d20a9ed129bd1785a3f7a777ce62098735b7
This commit is contained in:
drh
2011-08-29 02:49:41 +00:00
parent 5a077b741f
commit 2d36eb43a4
5 changed files with 29 additions and 32 deletions
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3
src/vdbeInt.h
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@@ -384,6 +384,9 @@ int sqlite3VdbeMemNumerify(Mem*);
int sqlite3VdbeMemFromBtree(BtCursor*,int,int,int,Mem*);
void sqlite3VdbeMemRelease(Mem *p);
void sqlite3VdbeMemReleaseExternal(Mem *p);
#define MemReleaseExt(X) \
if((X)->flags&(MEM_Agg|MEM_Dyn|MEM_RowSet|MEM_Frame)) \
sqlite3VdbeMemReleaseExternal(X);
int sqlite3VdbeMemFinalize(Mem*, FuncDef*);
const char *sqlite3OpcodeName(int);
int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve);