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|11:45||Fixes to allow group_concat() to be used as a window function. (check-in: 89bbc9ba user: dan tags: exp-window-functions)|
|20:35||Merge latest trunk changes with this branch. (check-in: 25102203 user: dan tags: exp-window-functions)|
|20:08||Add window functions lag() and lead(). (check-in: ef342070 user: dan tags: exp-window-functions)|
|18:13||The IN-early-out optimization: When doing a look-up on a multi-column index and an IN operator is used on a column other than the left-most column, then if no rows match against the first IN value, check to make sure there exist rows that match the columns to the right before continuing with the next IN value. (check-in: 09fffbdf user: drh tags: trunk)|