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Simplifications and clarification to update callback handling in the

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OP_Delete and OP_Insert opcodes.

FossilOrigin-Name: 47887ef89ed60ddb869d65e0957c1c4b2115f169
This commit is contained in:
drh
2016-03-30 15:30:07 +00:00
parent 9fc4caf64c
commit c556f3c33f
4 changed files with 17 additions and 18 deletions
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5
src/sqliteInt.h
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@@ -2927,9 +2927,6 @@ struct AuthContext {
/*
** Bitfield flags for P5 value in various opcodes.
**
** Note that the values for ISNOOP and LENGTHARG are the same. But as
** those bits are never used on the same opcode, the overlap is harmless.
*/
#define OPFLAG_NCHANGE 0x01 /* OP_Insert: Set to update db->nChange */
/* Also used in P2 (not P5) of OP_Delete */
@@ -2938,7 +2935,9 @@ struct AuthContext {
#define OPFLAG_ISUPDATE 0x04 /* This OP_Insert is an sql UPDATE */
#define OPFLAG_APPEND 0x08 /* This is likely to be an append */
#define OPFLAG_USESEEKRESULT 0x10 /* Try to avoid a seek in BtreeInsert() */
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
#define OPFLAG_ISNOOP 0x40 /* OP_Delete does pre-update-hook only */
#endif
#define OPFLAG_LENGTHARG 0x40 /* OP_Column only used for length() */
#define OPFLAG_TYPEOFARG 0x80 /* OP_Column only used for typeof() */
#define OPFLAG_BULKCSR 0x01 /* OP_Open** used to open bulk cursor */