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Avoid opening a temp table for aggregate queries with no GROUP BY clause. (CVS 1649)

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FossilOrigin-Name: 4d02df63496091a1e643601f84313f42130d6282
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danielk1977
2004-06-21 10:45:06 +00:00
parent 72c952a1c4
commit e159fdf21c
7 changed files with 111 additions and 73 deletions
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6
src/vdbeInt.h
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@@ -238,11 +238,7 @@ struct Agg {
int nMem; /* Number of values stored in each AggElem */
AggElem *pCurrent; /* The AggElem currently in focus */
FuncDef **apFunc; /* Information about aggregate functions */
#if 0
HashElem *pSearch; /* The hash element for pCurrent */
Hash hash; /* Hash table of all aggregate elements */
#endif
Btree *pBtree; /* The temporary btree used to group elements */
Btree *pBtree; /* The tmp. btree used to group elements, if required. */
BtCursor *pCsr; /* Read/write cursor to the table in pBtree */
int nTab; /* Root page of the table in pBtree */
u8 searching; /* True between the first AggNext and AggReset */