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Overview
Comment:Query planner optimization to detect empty tables in a join early and bail out without doing excess work.
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SHA1: 58797e9bafa95709e0f706a15f42f93b409e2db5
User & Date: drh 2017-02-15 22:36:15
Context
2017-02-16
14:48
Always use the IsVirtual() macro to determine if a Table object is a virtual table. Slightly smaller and faster code. check-in: 6affb1c8 user: drh tags: trunk
14:02
Merge recent enhancements from trunk. check-in: 325ccfa9 user: drh tags: est_count_pragma
2017-02-15
22:36
Query planner optimization to detect empty tables in a join early and bail out without doing excess work. check-in: 58797e9b user: drh tags: trunk
18:30
Minor enhancement to mutex tracing on Win32. check-in: 830b9235 user: mistachkin tags: trunk
Changes
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Changes to src/wherecode.c.

Added test/emptytable.test.