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Overview
Comment:Remove an unnecessary column-cache flush operation. Add code to trace the column cache when compiled with SQLITE_DEBUG and using PRAGMA vdbe_addoptrace=ON.
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SHA1: 58704ed1f4cd78bb3b0c095ffd1626906a95a413
User & Date: drh 2013-12-18 18:44:43
References
2014-03-24
09:18 New ticket [a8a0d299] Incorrect column data type reported due to invalid VM register reuse. artifact: c40b3fef user: dan
Context
2013-12-19
02:23
Omit one or more pointless instructions that occur in between OP_NoConflict and OP_Halt. check-in: 61e2f357 user: drh tags: trunk
2013-12-18
18:44
Remove an unnecessary column-cache flush operation. Add code to trace the column cache when compiled with SQLITE_DEBUG and using PRAGMA vdbe_addoptrace=ON. check-in: 58704ed1 user: drh tags: trunk
16:27
Remove an unnecessary column-cache flush. Add another test case to the speedtest1.c program to accentuate the benefit of not flushing the cache at that point. Closed-Leaf check-in: 97fdfc6b user: drh tags: column-cache-debug
2013-12-17
16:32
Add evidence marks and additional test cases for the printf() SQL function. check-in: 93121d30 user: drh tags: trunk
Changes
Unified Diffs Side-by-Side Diffs Patch

Changes to src/expr.c.

Changes to src/select.c.

Changes to src/vdbe.h.

Changes to src/vdbeInt.h.

Changes to src/vdbeaux.c.

Changes to src/vdbeblob.c.

Changes to test/speedtest1.c.