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Clean up the WHERE_* macros used for the wctrlFlags parameter on the

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sqlite3WhereBegin() interface, freeing up some bits to be used for other things.

FossilOrigin-Name: d01305841da94b2d47e32744802f69525bf590df
This commit is contained in:
drh
2016-05-19 18:56:33 +00:00
parent a43a02e42e
commit ce943bc834
5 changed files with 42 additions and 46 deletions
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24
src/sqliteInt.h
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@@ -2531,19 +2531,19 @@ struct SrcList {
#define WHERE_ORDERBY_MIN 0x0001 /* ORDER BY processing for min() func */
#define WHERE_ORDERBY_MAX 0x0002 /* ORDER BY processing for max() func */
#define WHERE_ONEPASS_DESIRED 0x0004 /* Want to do one-pass UPDATE/DELETE */
#define WHERE_DUPLICATES_OK 0x0008 /* Ok to return a row more than once */
#define WHERE_OMIT_OPEN_CLOSE 0x0010 /* Table cursors are already open */
#define WHERE_FORCE_TABLE 0x0020 /* Do not use an index-only search */
#define WHERE_ONETABLE_ONLY 0x0040 /* Only code the 1st table in pTabList */
#define WHERE_NO_AUTOINDEX 0x0080 /* Disallow automatic indexes */
#define WHERE_GROUPBY 0x0100 /* pOrderBy is really a GROUP BY */
#define WHERE_DISTINCTBY 0x0200 /* pOrderby is really a DISTINCT clause */
#define WHERE_WANT_DISTINCT 0x0400 /* All output needs to be distinct */
#define WHERE_SORTBYGROUP 0x0800 /* Support sqlite3WhereIsSorted() */
/* 0x1000 not currently used */
#define WHERE_ONEPASS_MULTIROW 0x2000 /* ONEPASS is ok with multiple rows */
#define WHERE_ONEPASS_MULTIROW 0x0008 /* ONEPASS is ok with multiple rows */
#define WHERE_DUPLICATES_OK 0x0010 /* Ok to return a row more than once */
#define WHERE_OR_SUBCLAUSE 0x0020 /* Sub-WHERE for an OR term */
#define WHERE_GROUPBY 0x0040 /* pOrderBy is really a GROUP BY */
#define WHERE_DISTINCTBY 0x0080 /* pOrderby is really a DISTINCT clause */
#define WHERE_WANT_DISTINCT 0x0100 /* All output needs to be distinct */
#define WHERE_SORTBYGROUP 0x0200 /* Support sqlite3WhereIsSorted() */
#define WHERE_SEEK_TABLE 0x0400 /* Do not defer seeks on main table */
/* 0x0800 not currently used */
/* 0x1000 not currently used */
/* 0x2000 not currently used */
#define WHERE_USE_LIMIT 0x4000 /* There is a constant LIMIT clause */
#define WHERE_SEEK_TABLE 0x8000 /* Do not defer seeks on main table */
/* 0x8000 not currently used */
/* Allowed return values from sqlite3WhereIsDistinct()
*/