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Delete the OP_VerifySchema opcode. Enhance OP_Transaction to do the schema

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version checks that OP_VerifySchema used to do.

FossilOrigin-Name: 2f3376ebf13df44e6acf27cb1f07172cd8b34033
This commit is contained in:
drh
2014-02-06 23:56:27 +00:00
parent 0211d8bca4
commit b22f7c831f
7 changed files with 85 additions and 113 deletions
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15
src/build.c
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@@ -156,13 +156,14 @@ void sqlite3FinishCoding(Parse *pParse){
for(iDb=0, mask=1; iDb<db->nDb; mask<<=1, iDb++){
if( (mask & pParse->cookieMask)==0 ) continue;
sqlite3VdbeUsesBtree(v, iDb);
sqlite3VdbeAddOp2(v,OP_Transaction, iDb, (mask & pParse->writeMask)!=0);
if( db->init.busy==0 ){
assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
sqlite3VdbeAddOp3(v, OP_VerifyCookie,
iDb, pParse->cookieValue[iDb],
db->aDb[iDb].pSchema->iGeneration);
}
sqlite3VdbeAddOp4Int(v,
OP_Transaction, /* Opcode */
iDb, /* P1 */
(mask & pParse->writeMask)!=0, /* P2 */
pParse->cookieValue[iDb], /* P3 */
db->aDb[iDb].pSchema->iGeneration /* P4 */
);
if( db->init.busy==0 ) sqlite3VdbeChangeP5(v, 1);
}
#ifndef SQLITE_OMIT_VIRTUALTABLE
for(i=0; i<pParse->nVtabLock; i++){