Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Suppress excess OP_Null opcodes caused by binary IS or IS NOT operators that are converted into unary ISNULL or NOTNULL operators. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
cff1b36ab2c417611f59e96694005c03 |
| User & Date: | drh 2009-11-12 03:46:34 |
Context
|
2009-11-12
| ||
| 04:26 | Suppress unnecessary OP_Noop instructions on when the right table of a LEFT JOIN uses the index-only optimization. check-in: e8aec08b user: drh tags: trunk | |
| 03:46 | Suppress excess OP_Null opcodes caused by binary IS or IS NOT operators that are converted into unary ISNULL or NOTNULL operators. check-in: cff1b36a user: drh tags: trunk | |
| 03:13 | Adjustments to the implementation of LIMIT so that it uses fewer opcodes. check-in: 39d5b292 user: drh tags: trunk | |
Changes
Changes to src/parse.y.