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Fixed behaviour of last_insert_rowid() with triggers and add last_statement_change_count() function that works correctly with triggers. (CVS 1251)

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FossilOrigin-Name: 3383413a53bff0fef0765144de3bb9a298a5bb5c
This commit is contained in:
rdc
2004-02-20 22:53:38 +00:00
parent fcabd4641e
commit b0c374ffbb
12 changed files with 163 additions and 38 deletions
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15
src/vdbeInt.h
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@@ -207,6 +207,19 @@ struct Keylist {
int aKey[1]; /* One or more keys. Extra space allocated as needed */
};
/*
** A Context stores the last insert rowid, the last statement change count,
** and the current statement change count (i.e. changes since last statement).
** Elements of Context structure type make up the ContextStack, which is
** updated by the ContextPush and ContextPop opcodes (used by triggers)
*/
typedef struct Context Context;
struct Context {
int lastRowid; /* Last insert rowid (from db->lastRowid) */
int lsChange; /* Last statement change count (from db->lsChange) */
int csChange; /* Current statement change count (from db->csChange) */
};
/*
** An instance of the virtual machine. This structure contains the complete
** state of the virtual machine.
@@ -250,6 +263,8 @@ struct Vdbe {
Keylist *pList; /* A list of ROWIDs */
int keylistStackDepth; /* The size of the "keylist" stack */
Keylist **keylistStack; /* The stack used by opcodes ListPush & ListPop */
int contextStackDepth; /* The size of the "context" stack */
Context *contextStack; /* Stack used by opcodes ContextPush & ContextPop*/
int pc; /* The program counter */
int rc; /* Value to return */
unsigned uniqueCnt; /* Used by OP_MakeRecord when P2!=0 */