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Create and use a function especially for adding the ParseSchema opcode.

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This gives a small reduction in code and a small performance increase.

FossilOrigin-Name: 957b2ab67c6185f0e1062593d237de5c434a38bf
This commit is contained in:
drh
2011-06-03 20:11:17 +00:00
parent 68f2a57698
commit 5d9c9da6e8
8 changed files with 36 additions and 30 deletions
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21
src/vdbeaux.c
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@@ -156,13 +156,6 @@ int sqlite3VdbeAddOp3(Vdbe *p, int op, int p1, int p2, int p3){
pOp->p3 = p3;
pOp->p4.p = 0;
pOp->p4type = P4_NOTUSED;
p->expired = 0;
if( op==OP_ParseSchema ){
/* Any program that uses the OP_ParseSchema opcode needs to lock
** all btrees. */
int j;
for(j=0; j<p->db->nDb; j++) sqlite3VdbeUsesBtree(p, j);
}
#ifdef SQLITE_DEBUG
pOp->zComment = 0;
if( sqlite3VdbeAddopTrace ) sqlite3VdbePrintOp(0, i, &p->aOp[i]);
@@ -201,6 +194,20 @@ int sqlite3VdbeAddOp4(
return addr;
}
/*
** Add an OP_ParseSchema opcode. This routine is broken out from
** sqlite3VdbeAddOp4() since it needs to also local all btrees.
**
** The zWhere string must have been obtained from sqlite3_malloc().
** This routine will take ownership of the allocated memory.
*/
void sqlite3VdbeAddParseSchemaOp(Vdbe *p, int iDb, char *zWhere){
int j;
int addr = sqlite3VdbeAddOp3(p, OP_ParseSchema, iDb, 0, 0);
sqlite3VdbeChangeP4(p, addr, zWhere, P4_DYNAMIC);
for(j=0; j<p->db->nDb; j++) sqlite3VdbeUsesBtree(p, j);
}
/*
** Add an opcode that includes the p4 value as an integer.
*/