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Add the experimental sqlite3_preupdate_hook() API.

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FossilOrigin-Name: 6145d7b89f83500318713779c60f79a7ab2098ba
This commit is contained in:
dan
2011-03-01 18:42:07 +00:00
parent 30f776fadb
commit 46c47d4677
18 changed files with 737 additions and 117 deletions
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7
src/sqliteInt.h
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@@ -619,6 +619,7 @@ typedef struct LookasideSlot LookasideSlot;
typedef struct Module Module;
typedef struct NameContext NameContext;
typedef struct Parse Parse;
typedef struct PreUpdate PreUpdate;
typedef struct RowSet RowSet;
typedef struct Savepoint Savepoint;
typedef struct Select Select;
@@ -827,6 +828,11 @@ struct sqlite3 {
void (*xRollbackCallback)(void*); /* Invoked at every commit. */
void *pUpdateArg;
void (*xUpdateCallback)(void*,int, const char*,const char*,sqlite_int64);
void *pPreUpdateArg; /* First argument to xPreUpdateCallback */
void (*xPreUpdateCallback)( /* Registered using sqlite3_preupdate_hook() */
void*,sqlite3*,int,char const*,char const*,sqlite3_int64,sqlite3_int64
);
PreUpdate *pPreUpdate; /* Context for active pre-update callback */
#ifndef SQLITE_OMIT_WAL
int (*xWalCallback)(void *, sqlite3 *, const char *, int);
void *pWalArg;
@@ -2254,6 +2260,7 @@ struct AuthContext {
#define OPFLAG_APPEND 0x08 /* This is likely to be an append */
#define OPFLAG_USESEEKRESULT 0x10 /* Try to avoid a seek in BtreeInsert() */
#define OPFLAG_CLEARCACHE 0x20 /* Clear pseudo-table cache in OP_Column */
#define OPFLAG_ISNOOP 0x40 /* OP_Delete does pre-update-hook only */
/*
* Each trigger present in the database schema is stored as an instance of