/*
** Rerun the compilation of a statement after a schema change.
**
** If the statement is successfully recompiled, return SQLITE_OK. Otherwise,
** if the statement cannot be recompiled because another connection has
** locked the sqlite3_master table, return SQLITE_LOCKED. If any other error
** occurs, return SQLITE_SCHEMA.
*/
int sqlite3Reprepare(Vdbe *p){
int rc;
sqlite3_stmt *pNew;
const char *zSql;
sqlite3 *db;
assert( sqlite3_mutex_held(sqlite3VdbeDb(p)->mutex) );
zSql = sqlite3_sql((sqlite3_stmt *)p);
assert( zSql!=0 ); /* Reprepare only called for prepare_v2() statements */
db = sqlite3VdbeDb(p);
assert( sqlite3_mutex_held(db->mutex) );
rc = sqlite3LockAndPrepare(db, zSql, -1, 0, &pNew, 0);
if( rc ){
if( rc==SQLITE_NOMEM ){
db->mallocFailed = 1;
}
assert( pNew==0 );
return (rc==SQLITE_LOCKED) ? SQLITE_LOCKED : SQLITE_SCHEMA;
}else{
assert( pNew!=0 );
}
sqlite3VdbeSwap((Vdbe*)pNew, p);
sqlite3TransferBindings(pNew, (sqlite3_stmt*)p);
sqlite3VdbeResetStepResult((Vdbe*)pNew);
sqlite3VdbeFinalize((Vdbe*)pNew);
return SQLITE_OK;
}
/*
** Rerun the compilation of a statement after a schema change.
** Return true if the statement was recompiled successfully.
** Return false if there is an error of some kind.
*/
int sqlite3Reprepare(Vdbe *p){
int rc;
Vdbe *pNew;
const char *zSql;
sqlite3 *db;
zSql = sqlite3VdbeGetSql(p);
if( zSql==0 ){
return 0;
}
db = sqlite3VdbeDb(p);
rc = sqlite3Prepare(db, zSql, -1, 0, (sqlite3_stmt**)&pNew, 0);
if( rc ){
assert( pNew==0 );
return 0;
}else{
assert( pNew!=0 );
}
sqlite3VdbeSwap(pNew, p);
sqlite3_transfer_bindings((sqlite3_stmt*)pNew, (sqlite3_stmt*)p);
sqlite3VdbeResetStepResult(pNew);
sqlite3VdbeFinalize(pNew);
return 1;
}