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Enhancements to the query planner to make use of indices for ORDER BY even

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when IN constraints are in the WHERE clause.  Add extended error codes for
all SQLITE_CONSTRAINT errors.

FossilOrigin-Name: 7e14dc734d7d941da5c3aa6612e26d93b5b929bd
This commit is contained in:
drh
2013-02-13 13:42:50 +00:00
parent 3dbfbcf43e a4b05e2874
commit dab942860c
39 changed files with 848 additions and 224 deletions
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5
src/sqliteInt.h
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@@ -957,7 +957,7 @@ struct sqlite3 {
#define SQLITE_SqlTrace 0x00000040 /* Debug print SQL as it executes */
#define SQLITE_VdbeListing 0x00000080 /* Debug listings of VDBE programs */
#define SQLITE_WriteSchema 0x00000100 /* OK to update SQLITE_MASTER */
/* 0x00000200 Unused */
#define SQLITE_VdbeAddopTrace 0x00000200 /* Trace sqlite3VdbeAddOp() calls */
#define SQLITE_IgnoreChecks 0x00000400 /* Do not enforce check constraints */
#define SQLITE_ReadUncommitted 0x0000800 /* For shared-cache mode */
#define SQLITE_LegacyFileFmt 0x00001000 /* Create new databases in format 1 */
@@ -1973,6 +1973,7 @@ struct WhereLevel {
struct InLoop {
int iCur; /* The VDBE cursor used by this IN operator */
int addrInTop; /* Top of the IN loop */
u8 eEndLoopOp; /* IN Loop terminator. OP_Next or OP_Prev */
} *aInLoop; /* Information about each nested IN operator */
} in; /* Used when plan.wsFlags&WHERE_IN_ABLE */
Index *pCovidx; /* Possible covering index for WHERE_MULTI_OR */
@@ -2916,7 +2917,7 @@ int sqlite3OpenTableAndIndices(Parse*, Table*, int, int);
void sqlite3BeginWriteOperation(Parse*, int, int);
void sqlite3MultiWrite(Parse*);
void sqlite3MayAbort(Parse*);
void sqlite3HaltConstraint(Parse*, int, char*, int);
void sqlite3HaltConstraint(Parse*, int, int, char*, int);
Expr *sqlite3ExprDup(sqlite3*,Expr*,int);
ExprList *sqlite3ExprListDup(sqlite3*,ExprList*,int);
SrcList *sqlite3SrcListDup(sqlite3*,SrcList*,int);