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| author | dan <dan@noemail.net> | 2016-02-01 20:12:41 +0000 |
|---|---|---|
| committer | dan <dan@noemail.net> | 2016-02-01 20:12:41 +0000 |
| commit | df015945e3fdca65b4bc4b7ef5f431610f405bf0 (patch) | |
| tree | 8fc4b7dab0f10dc53a6a4f2d76f60653d13d5746 /ext/fts5/fts5_main.c | |
| parent | ed94af5eb9b75dc1ad6f3d462a14271b5386396b (diff) | |
| download | sqlite-df015945e3fdca65b4bc4b7ef5f431610f405bf0.tar.gz sqlite-df015945e3fdca65b4bc4b7ef5f431610f405bf0.zip | |
Improve performance of fts5 queries.
FossilOrigin-Name: 2334e88244afe6387208be5d527aba9b5ddf4e4c
Diffstat (limited to 'ext/fts5/fts5_main.c')
| -rw-r--r-- | ext/fts5/fts5_main.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/ext/fts5/fts5_main.c b/ext/fts5/fts5_main.c index ec045da6b..9ef8d9a01 100644 --- a/ext/fts5/fts5_main.c +++ b/ext/fts5/fts5_main.c @@ -220,10 +220,10 @@ struct Fts5Cursor { /* ** Values for Fts5Cursor.csrflags */ -#define FTS5CSR_REQUIRE_CONTENT 0x01 -#define FTS5CSR_REQUIRE_DOCSIZE 0x02 -#define FTS5CSR_REQUIRE_INST 0x04 -#define FTS5CSR_EOF 0x08 +#define FTS5CSR_EOF 0x01 +#define FTS5CSR_REQUIRE_CONTENT 0x02 +#define FTS5CSR_REQUIRE_DOCSIZE 0x04 +#define FTS5CSR_REQUIRE_INST 0x08 #define FTS5CSR_FREE_ZRANK 0x10 #define FTS5CSR_REQUIRE_RESEEK 0x20 #define FTS5CSR_REQUIRE_POSLIST 0x40 @@ -778,7 +778,7 @@ static int fts5CursorReseek(Fts5Cursor *pCsr, int *pbSkip){ i64 iRowid = sqlite3Fts5ExprRowid(pCsr->pExpr); rc = sqlite3Fts5ExprFirst(pCsr->pExpr, pTab->pIndex, iRowid, bDesc); - if( rc==SQLITE_OK && iRowid!=sqlite3Fts5ExprRowid(pCsr->pExpr) ){ + if( rc==SQLITE_OK && iRowid!=sqlite3Fts5ExprRowid(pCsr->pExpr) ){ *pbSkip = 1; } @@ -786,6 +786,7 @@ static int fts5CursorReseek(Fts5Cursor *pCsr, int *pbSkip){ fts5CsrNewrow(pCsr); if( sqlite3Fts5ExprEof(pCsr->pExpr) ){ CsrFlagSet(pCsr, FTS5CSR_EOF); + *pbSkip = 1; } } return rc; @@ -807,14 +808,13 @@ static int fts5NextMethod(sqlite3_vtab_cursor *pCursor){ assert( (pCsr->ePlan<3)== (pCsr->ePlan==FTS5_PLAN_MATCH || pCsr->ePlan==FTS5_PLAN_SOURCE) ); + assert( !CsrFlagTest(pCsr, FTS5CSR_EOF) ); if( pCsr->ePlan<3 ){ int bSkip = 0; if( (rc = fts5CursorReseek(pCsr, &bSkip)) || bSkip ) return rc; rc = sqlite3Fts5ExprNext(pCsr->pExpr, pCsr->iLastRowid); - if( sqlite3Fts5ExprEof(pCsr->pExpr) ){ - CsrFlagSet(pCsr, FTS5CSR_EOF); - } + CsrFlagSet(pCsr, sqlite3Fts5ExprEof(pCsr->pExpr)); fts5CsrNewrow(pCsr); }else{ switch( pCsr->ePlan ){ |