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Make it possible to disable the subquery-by-coroutine optimization using

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sqlite3_test_control().  Remove an always-false conditional.

FossilOrigin-Name: 564631f3e45f8f8a8db69f1e0df0d1dadbad8a2c
This commit is contained in:
drh
2012-10-30 14:39:12 +00:00
parent 21172c4cc0
commit a575967793
6 changed files with 18 additions and 21 deletions
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5
src/sqliteInt.h
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@@ -827,7 +827,7 @@ struct sqlite3 {
unsigned int openFlags; /* Flags passed to sqlite3_vfs.xOpen() */
int errCode; /* Most recent error code (SQLITE_*) */
int errMask; /* & result codes with this before returning */
u8 dbOptFlags; /* Flags to enable/disable optimizations */
u16 dbOptFlags; /* Flags to enable/disable optimizations */
u8 autoCommit; /* The auto-commit flag. */
u8 temp_store; /* 1: file 2: memory 0: default */
u8 mallocFailed; /* True if we have seen a malloc failure */
@@ -972,7 +972,8 @@ struct sqlite3 {
#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_AllOpts 0x00ff /* All optimizations */
#define SQLITE_SubqCoroutine 0x0100 /* Evaluate subqueries as coroutines */
#define SQLITE_AllOpts 0xffff /* All optimizations */
/*
** Macros for testing whether or not optimizations are enabled or disabled.