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Always render a subquery that is not part of a join as a co-routine.

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FossilOrigin-Name: 6b1651d711eae6e7c65a191f02ca2439160bcd677099712289e76a0f8422fd37
This commit is contained in:
drh
2017-09-29 22:13:24 +00:00
parent fd06385f21
commit 25c221eb1d
5 changed files with 53 additions and 78 deletions
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18
src/sqliteInt.h
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@@ -1506,16 +1506,14 @@ struct sqlite3 {
#define SQLITE_ColumnCache 0x0002 /* Column cache */
#define SQLITE_GroupByOrder 0x0004 /* GROUPBY cover of ORDERBY */
#define SQLITE_FactorOutConst 0x0008 /* Constant factoring */
/* not used 0x0010 // Was: SQLITE_IdxRealAsInt */
#define SQLITE_DistinctOpt 0x0020 /* DISTINCT using indexes */
#define SQLITE_CoverIdxScan 0x0040 /* Covering index scans */
#define SQLITE_OrderByIdxJoin 0x0080 /* ORDER BY of joins via index */
#define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */
#define SQLITE_Transitive 0x0200 /* Transitive constraints */
#define SQLITE_OmitNoopJoin 0x0400 /* Omit unused tables in joins */
#define SQLITE_Stat34 0x0800 /* Use STAT3 or STAT4 data */
#define SQLITE_CountOfView 0x1000 /* The count-of-view optimization */
#define SQLITE_CursorHints 0x2000 /* Add OP_CursorHint opcodes */
#define SQLITE_DistinctOpt 0x0010 /* DISTINCT using indexes */
#define SQLITE_CoverIdxScan 0x0020 /* Covering index scans */
#define SQLITE_OrderByIdxJoin 0x0040 /* ORDER BY of joins via index */
#define SQLITE_Transitive 0x0080 /* Transitive constraints */
#define SQLITE_OmitNoopJoin 0x0100 /* Omit unused tables in joins */
#define SQLITE_Stat34 0x0200 /* Use STAT3 or STAT4 data */
#define SQLITE_CountOfView 0x0400 /* The count-of-view optimization */
#define SQLITE_CursorHints 0x0800 /* Add OP_CursorHint opcodes */
#define SQLITE_AllOpts 0xffff /* All optimizations */
/*