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Parents and children of check-in [df70a1f3]

2013-12-20
15:59
Combine adjacent single-register OP_Copy instructions into a single multi-register OP_Copy, where possible. Fix the Synopsis comment for multi-register OP_Copy instructions to show the correct register ranges. check-in: 2ae22dc0 user: drh tags: trunk
14:48
Allow any arbitrary expression as the filename in an ATTACH statement, including functions and subqueries. check-in: df70a1f3 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: 2c7fd9b0 user: drh tags: trunk