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Overview
| Comment: | Improve clarity of presentation in the sqlite3VdbeMemFromBtree() routine. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 9830c343bc954b828f6ca752f8ae63e2 |
| User & Date: | drh 2014-03-04 13:18:23 |
Context
|
2014-03-04
| ||
| 16:05 | Ensure that BtreeMovetoUnpacked() does not try to invoke xRecordCompare when it is set to NULL. check-in: 2879234b user: dan tags: trunk | |
| 14:34 | Merge the performance enhancements of trunk (and some obscure bug fixes) into the sessions branch. check-in: 7f51ad97 user: drh tags: sessions | |
| 13:18 | Improve clarity of presentation in the sqlite3VdbeMemFromBtree() routine. check-in: 9830c343 user: drh tags: trunk | |
| 12:07 | Fix comment in test. check-in: 1e57f67b user: mistachkin tags: trunk | |
Changes
Changes to src/vdbemem.c.
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}
assert( zData!=0 );
if( offset+amt<=available ){
sqlite3VdbeMemRelease(pMem);
pMem->z = &zData[offset];
pMem->flags = MEM_Blob|MEM_Ephem;
}else if( SQLITE_OK==(rc = sqlite3VdbeMemGrow(pMem, amt+2, 0)) ){
pMem->flags = MEM_Blob|MEM_Term;
pMem->enc = 0;
pMem->memType = MEM_Blob;
if( key ){
rc = sqlite3BtreeKey(pCur, offset, amt, pMem->z);
}else{
rc = sqlite3BtreeData(pCur, offset, amt, pMem->z);
}
pMem->z[amt] = 0;
pMem->z[amt+1] = 0;
if( rc!=SQLITE_OK ){
sqlite3VdbeMemRelease(pMem);
}
}
pMem->n = (int)amt;
return rc;
}
/* This function is only available internally, it is not part of the
** external API. It works in a similar way to sqlite3_value_text(),
** except the data returned is in the encoding specified by the second
|
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}
assert( zData!=0 );
if( offset+amt<=available ){
sqlite3VdbeMemRelease(pMem);
pMem->z = &zData[offset];
pMem->flags = MEM_Blob|MEM_Ephem;
pMem->n = (int)amt;
}else if( SQLITE_OK==(rc = sqlite3VdbeMemGrow(pMem, amt+2, 0)) ){
if( key ){
rc = sqlite3BtreeKey(pCur, offset, amt, pMem->z);
}else{
rc = sqlite3BtreeData(pCur, offset, amt, pMem->z);
}
if( rc==SQLITE_OK ){
pMem->z[amt] = 0;
pMem->z[amt+1] = 0;
pMem->flags = MEM_Blob|MEM_Term;
pMem->memType = MEM_Blob;
pMem->n = (int)amt;
}else{
sqlite3VdbeMemRelease(pMem);
}
}
return rc;
}
/* This function is only available internally, it is not part of the
** external API. It works in a similar way to sqlite3_value_text(),
** except the data returned is in the encoding specified by the second
|