database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-12 13:01:09 +03:00
Code Activity

Simplify the accumulator reset for aggregate query processing so that it

Browse Source 
uses a single multi-register OP_Null rather than a separate OP_Null for each
register.

FossilOrigin-Name: 2c7fd9b043f5f3d9d8e22dbefa84a9770ca951d0
This commit is contained in:
drh
2013-12-20 13:11:45 +00:00
parent 1001ee8819
commit 7e61d18eb4
4 changed files with 26 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
src/sqliteInt.h
View File

@@ -1688,6 +1688,7 @@ struct AggInfo {
int sortingIdx; /* Cursor number of the sorting index */
int sortingIdxPTab; /* Cursor number of pseudo-table */
int nSortingColumn; /* Number of columns in the sorting index */
int mnReg, mxReg; /* Range of registers allocated for aCol and aFunc */
ExprList *pGroupBy; /* The group by clause */
struct AggInfo_col { /* For each column used in source tables */
Table *pTab; /* Source table */