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Overview
Comment:Smaller and faster vdbeFreeOpArray()
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SHA3-256: e052436d9f54b785facd661adc648512356b831c0547aa8f347ebf4bd8ef1254
User & Date: drh 2017-04-10 20:51:21
Context
2017-04-11
01:30
When evaluating a query that uses an index on an expression, try to use the expression values read directly from the index rather than reevaluating the expression. check-in: a47efb7c user: drh tags: trunk
2017-04-10
23:42
Merge changes from trunk. check-in: 8978465f user: drh tags: covering-index-on-expr
20:51
Smaller and faster vdbeFreeOpArray() check-in: e052436d user: drh tags: trunk
20:27
Slightly smaller and faster sqlite3VdbeMemGrow(). check-in: efd1702a user: drh tags: trunk
Changes
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Changes to src/vdbeaux.c.

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** Free the space allocated for aOp and any p4 values allocated for the
** opcodes contained within. If aOp is not NULL it is assumed to contain 
** nOp entries. 
*/
static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){
  if( aOp ){
    Op *pOp;
    for(pOp=aOp; pOp<&aOp[nOp]; pOp++){
      if( pOp->p4type ) freeP4(db, pOp->p4type, pOp->p4.p);
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
      sqlite3DbFree(db, pOp->zComment);
#endif     
    }
    sqlite3DbFreeNN(db, aOp);
  }







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** Free the space allocated for aOp and any p4 values allocated for the
** opcodes contained within. If aOp is not NULL it is assumed to contain 
** nOp entries. 
*/
static void vdbeFreeOpArray(sqlite3 *db, Op *aOp, int nOp){
  if( aOp ){
    Op *pOp;
    for(pOp=&aOp[nOp-1]; pOp>=aOp; pOp--){
      if( pOp->p4type ) freeP4(db, pOp->p4type, pOp->p4.p);
#ifdef SQLITE_ENABLE_EXPLAIN_COMMENTS
      sqlite3DbFree(db, pOp->zComment);
#endif     
    }
    sqlite3DbFreeNN(db, aOp);
  }