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|16:56||Optimization: Try to avoid unnecessary btree searching when repositioning a cursor to the next row. check-in: ee793d30 user: drh tags: trunk|
|21:47||A better implementation of the moveto-neighbor optimization that checks for nearby rows on adjacent pages. Closed-Leaf check-in: 2c4ecb85 user: drh tags: btree-moveto-neighbor|
|16:54||B-tree optimization: When seeking on a rowid table that has already been positioned, check to see if the new row happens to be the next row on the same leaf page. That is a reasonably common case, and if it is true it avoids a full binary search. check-in: 8e5cfb20 user: drh tags: btree-moveto-neighbor|
|16:27||Change sqlite3_blob_reopen() to call sqlite3VdbeExec() directly rather than going through sqlite3_step(). Performance enhancement. check-in: 347df3c1 user: drh tags: trunk|