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Overview
Comment:Suppress excess OP_Null opcodes caused by binary IS or IS NOT operators that are converted into unary ISNULL or NOTNULL operators.
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SHA1: cff1b36ab2c417611f59e96694005c03762788d2
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
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Changes to src/parse.y.