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Overview
| Comment: | Remove an obsolete (and incorrect) comment from sqlite3MemCompare(). No changes to code. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
c15b70b3aefc399dae1df5bb721530f0 |
| User & Date: | drh 2009-11-11 23:48:23 |
Context
|
2009-11-11
| ||
| 23:58 | If the sector size is unspecified (initially 0) then set it to 512, not to 32. (check-in: 8861b5c1 user: drh tags: trunk) | |
| 23:48 | Remove an obsolete (and incorrect) comment from sqlite3MemCompare(). No changes to code. (check-in: c15b70b3 user: drh tags: trunk) | |
| 20:53 | Tweaks to the SUBSTR() function to make it dramatically faster in the common case where the input string is large but the 2nd and 3rd arguments are small positive integers. (check-in: 5a474a86 user: drh tags: trunk) | |
Changes
Changes to src/vdbemem.c.
750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 |
** Two NULL values are considered equal by this function.
*/
int sqlite3MemCompare(const Mem *pMem1, const Mem *pMem2, const CollSeq *pColl){
int rc;
int f1, f2;
int combined_flags;
/* Interchange pMem1 and pMem2 if the collating sequence specifies
** DESC order.
*/
f1 = pMem1->flags;
f2 = pMem2->flags;
combined_flags = f1|f2;
assert( (combined_flags & MEM_RowSet)==0 );
/* If one value is NULL, it is less than the other. If both values
** are NULL, return 0.
|
< < < |
750 751 752 753 754 755 756 757 758 759 760 761 762 763 |
** Two NULL values are considered equal by this function.
*/
int sqlite3MemCompare(const Mem *pMem1, const Mem *pMem2, const CollSeq *pColl){
int rc;
int f1, f2;
int combined_flags;
f1 = pMem1->flags;
f2 = pMem2->flags;
combined_flags = f1|f2;
assert( (combined_flags & MEM_RowSet)==0 );
/* If one value is NULL, it is less than the other. If both values
** are NULL, return 0.
|