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Overview
| Comment: | More size and speed improvements in the expression name resolver. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
e0a3d39f51a50420bae97e2bc9a8c01a |
| User & Date: | drh 2017-03-07 03:40:48.199 |
Context
|
2017-03-07
| ||
| 12:18 | Minor comment typo fixes. No changes to code. (check-in: 01cd9fb176 user: drh tags: trunk) | |
| 03:40 | More size and speed improvements in the expression name resolver. (check-in: e0a3d39f51 user: drh tags: trunk) | |
| 03:25 | Small size reduction and performance increase in the name resolver routine for expressions. (check-in: 1a3554e1d7 user: drh tags: trunk) | |
Changes
Changes to src/resolve.c.
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break;
}
}
}
}
/* Start at the inner-most context and move outward until a match is found */
| | > | 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 |
break;
}
}
}
}
/* Start at the inner-most context and move outward until a match is found */
assert( pNC && cnt==0 );
do{
ExprList *pEList;
SrcList *pSrcList = pNC->pSrcList;
if( pSrcList ){
for(i=0, pItem=pSrcList->a; i<pSrcList->nSrc; i++, pItem++){
pTab = pItem->pTab;
assert( pTab!=0 && pTab->zName!=0 );
|
| ︙ | ︙ | |||
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}
}
}
/* Advance to the next name context. The loop will exit when either
** we have a match (cnt>0) or when we run out of name contexts.
*/
| | | | | | | 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 |
}
}
}
/* Advance to the next name context. The loop will exit when either
** we have a match (cnt>0) or when we run out of name contexts.
*/
if( cnt ) break;
pNC = pNC->pNext;
nSubquery++;
}while( pNC );
/*
** If X and Y are NULL (in other words if only the column name Z is
** supplied) and the value of Z is enclosed in double-quotes, then
** Z is a string literal if it doesn't match any column names. In that
** case, we need to return right away and not make any changes to
** pExpr.
|
| ︙ | ︙ |