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More work toward converting the VM into a register-based machine. (CVS 4704)

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FossilOrigin-Name: 8cbd46517f407b3b1ce187b623db10f00aa415ea
This commit is contained in:
drh
2008-01-10 23:50:11 +00:00
parent 892d317990
commit 2d401ab8f9
15 changed files with 348 additions and 536 deletions
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37
src/trigger.c
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@@ -227,43 +227,20 @@ void sqlite3FinishTrigger(
** build the sqlite_master entry
*/
if( !db->init.busy ){
static const VdbeOpList insertTrig[] = {
{ OP_NewRowid, 0, 0, 0 },
{ OP_String8, 0, 0, 0 }, /* 1: "trigger" */
{ OP_String8, 0, 0, 0 }, /* 2: trigger name */
{ OP_String8, 0, 0, 0 }, /* 3: table name */
{ OP_Integer, 0, 0, 0 },
{ OP_String8, 0, 0, 0 }, /* 5: "CREATE TRIGGER " */
{ OP_String8, 0, 0, 0 }, /* 6: SQL */
{ OP_Concat, 0, 0, 0 },
{ OP_MakeRecord, 5, 0, 0 }, /* 8: "aaada" */
{ OP_Move, 0, 0, 0 }, /* 9: Store data */
{ OP_Move, 0, 0, 0 }, /* 10: Store key */
{ OP_Insert, 0, 0, 0 },
};
int addr;
Vdbe *v;
int iKey = ++pParse->nMem;
int iData = ++pParse->nMem;
char *z;
/* Make an entry in the sqlite_master table */
v = sqlite3GetVdbe(pParse);
if( v==0 ) goto triggerfinish_cleanup;
sqlite3BeginWriteOperation(pParse, 0, iDb);
sqlite3OpenMasterTable(pParse, iDb);
addr = sqlite3VdbeAddOpList(v, ArraySize(insertTrig), insertTrig);
sqlite3VdbeChangeP4(v, addr+1, "trigger", P4_STATIC);
sqlite3VdbeChangeP4(v, addr+2, pTrig->name, 0);
sqlite3VdbeChangeP4(v, addr+3, pTrig->table, 0);
sqlite3VdbeChangeP4(v, addr+5, "CREATE TRIGGER ", P4_STATIC);
sqlite3VdbeChangeP4(v, addr+6, (char*)pAll->z, pAll->n);
sqlite3VdbeChangeP4(v, addr+8, "aaada", P4_STATIC);
sqlite3VdbeChangeP2(v, addr+9, iData);
sqlite3VdbeChangeP2(v, addr+10, iKey);
sqlite3VdbeChangeP2(v, addr+11, iData);
sqlite3VdbeChangeP3(v, addr+11, iKey);
z = sqlite3DbStrNDup(db, (char*)pAll->z, pAll->n);
sqlite3NestedParse(pParse,
"INSERT INTO %Q.%s VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')",
db->aDb[iDb].zName, SCHEMA_TABLE(iDb), pTrig->name,
pTrig->table, z);
sqlite3_free(z);
sqlite3ChangeCookie(db, v, iDb);
sqlite3VdbeAddOp2(v, OP_Close, 0, 0);
sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0, sqlite3MPrintf(
db, "type='trigger' AND name='%q'", pTrig->name), P4_DYNAMIC
);