Add the experimental sqlite3_preupdate_hook() API.
FossilOrigin-Name: 6145d7b89f83500318713779c60f79a7ab2098ba
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 2987dcd..2541936 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -619,6 +619,7 @@
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 @@
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 @@
#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