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Speed up in the handling of VDBE cursors. (CVS 1578)

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FossilOrigin-Name: e42316f5708de6f639b7b54e08d4be73b45367e9
This commit is contained in:
drh
2004-06-12 20:12:51 +00:00
parent e61cffc203
commit 4774b13029
5 changed files with 66 additions and 44 deletions
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3
src/vdbeInt.h
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@@ -62,6 +62,7 @@ struct Cursor {
BtCursor *pCursor; /* The cursor structure of the backend */
i64 lastRecno; /* Last recno from a Next or NextIdx operation */
i64 nextRowid; /* Next rowid returned by OP_NewRowid */
Bool zeroed; /* True if zeroed out and ready for reuse */
Bool recnoIsValid; /* True if lastRecno is valid */
Bool keyAsData; /* The OP_Column command works on key instead of data */
Bool atFirst; /* True if pointing to first entry */
@@ -352,7 +353,7 @@ struct Vdbe {
/*
** Function prototypes
*/
void sqlite3VdbeCleanupCursor(Cursor*);
void sqlite3VdbeFreeCursor(Cursor*);
void sqlite3VdbeSorterReset(Vdbe*);
int sqlite3VdbeAggReset(sqlite *, Agg *, KeyInfo *);
void sqlite3VdbeKeylistFree(Keylist*);