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| author | drh <drh@noemail.net> | 2013-06-11 18:59:38 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2013-06-11 18:59:38 +0000 |
| commit | 4f402f26b15902d22f13df5e77cfdc4d8a5622cb (patch) | |
| tree | 2449f081a13a7bd7c7dd928a27b367c9ebd76ab0 /src/sqliteInt.h | |
| parent | 8e23daf372c57084e7921e48c1b7968b631bb94d (diff) | |
| download | sqlite-4f402f26b15902d22f13df5e77cfdc4d8a5622cb.tar.gz sqlite-4f402f26b15902d22f13df5e77cfdc4d8a5622cb.zip | |
Improved processing of DISTINCT.
FossilOrigin-Name: ba897100fed291d2025f68d09334f9985312298b
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index d3d6fcf70..b22689462 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -1967,8 +1967,10 @@ struct SrcList { #define WHERE_ONETABLE_ONLY 0x0040 /* Only code the 1st table in pTabList */ #define WHERE_AND_ONLY 0x0080 /* Don't use indices for OR terms */ #define WHERE_GROUPBY 0x0100 /* pOrderBy is really a GROUP BY */ +#define WHERE_DISTINCTBY 0x0200 /* pOrderby is really a DISTINCT clause */ -/* Allowed values for WhereInfo.eDistinct and DistinctCtx.eTnctType */ +/* Allowed return values from sqlite3WhereIsDistinct() +*/ #define WHERE_DISTINCT_NOOP 0 /* DISTINCT keyword not used */ #define WHERE_DISTINCT_UNIQUE 1 /* No duplicates */ #define WHERE_DISTINCT_ORDERED 2 /* All duplicates are adjacent */ @@ -2226,7 +2228,7 @@ struct Parse { /* Information used while coding trigger programs. */ Parse *pToplevel; /* Parse structure for main program (or NULL) */ Table *pTriggerTab; /* Table triggers are being coded for */ - u32 grep nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ + u32 nQueryLoop; /* Est number of iterations of a query (10*log2(N)) */ u32 oldmask; /* Mask of old.* columns referenced */ u32 newmask; /* Mask of new.* columns referenced */ u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ |