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10 check-ins using file src/expr.c version 962c29881b

2013-12-20
14:48
Allow any arbitrary expression as the filename in an ATTACH statement, including functions and subqueries. (check-in: df70a1f303 user: drh tags: trunk)
13:11
Simplify the accumulator reset for aggregate query processing so that it uses a single multi-register OP_Null rather than a separate OP_Null for each register. (check-in: 2c7fd9b043 user: drh tags: trunk)
2013-12-19
17:04
Do not inject OOM faults into SQLITE_FCNTL_COMMIT_PHASE_TWO file-control invocations. It causes problems for test scripts. (check-in: 8eb28d23e3 user: dan tags: trunk)
16:26
Make sure errors encountered while initializing extensions such as FTS4 get reported out from sqlite3_open(). This fixes a bug introduced by check-in [9d347f547e7ba9]. Also remove lots of forgotten "breakpoint" commands left in test scripts over the years. (check-in: ca3fdfd419 user: drh tags: trunk)
14:34
Remove an unneeded column-cache flush in aggregate SELECT and an unreachable branch in the INSERT logic. (check-in: ffa092e13b user: drh tags: trunk)
02:56
Omit an unnecessary OP_Null opcode from UPDATE. (check-in: 72d111336c user: drh tags: trunk)
02:23
Omit one or more pointless instructions that occur in between OP_NoConflict and OP_Halt. (check-in: 61e2f3575c 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: 58704ed1f4 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: 97fdfc6b79 user: drh tags: column-cache-debug)
15:11
Show changes to the column cache when PRAGMA vdbe_addoptrace=ON is set. (check-in: 4c6a659c43 user: drh tags: column-cache-debug)