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12 commits

Author SHA1 Message Date
Julius Volz 64b0ade171 Swap rules lexer for much faster one. 
This swaps github.com/kivikakk/golex for github.com/cznic/golex.

The old lexer would have taken 3.5 years to load a set of 5000 test rules
(quadratic time complexity for input length), whereas this one takes only 32ms.
Furthermore, since the new lexer is embedded differently, this gets rid of the
global parser variables and makes the rule loader fully reentrant without a
lock.
 2013-07-11 19:35:29 +02:00
Matt T. Proud 30b1cf80b5 WIP - Snapshot of Moving to Client Model. 2013-06-25 15:52:42 +02:00
Julius Volz 0877680761 Implement a COUNT ... BY aggregation operator. 
This also removes the now obsolete scalar count() function and corrects the
expressions test naming (broken in
2202cd71c9 (L6R59))
so that the expression tests will actually run.
 2013-05-08 16:35:16 +02:00
Julius Volz c0601abf46 Implement initial no-op alert parsing and rule parsing tests. 2013-04-23 13:48:24 +02:00
Julius Volz 000f6a2e23 Allow lower-case BY operator. 2013-04-15 11:56:23 +02:00
Julius Volz 1bc83e1b65 Also allow lower-cased aggregation ops. 2013-04-11 18:25:22 +02:00
Julius Volz e31591e6fe Allow single-letter identifiers (metric and label names). 2013-03-28 18:37:54 +01:00
Julius Volz c3d31febd6 Move durationToString to common place and cleanup error handling. 2013-02-14 19:02:23 +01:00
Julius Volz 06ace4941d Remove/replace last references to github.com/matttproud/... 2013-02-07 14:32:18 +01:00
Julius Volz 16d9dcd6a8 Add copyright notices to all remaining files. 2013-02-07 11:49:04 +01:00
Julius Volz a85204a0a4 Add support for matrix duration strings without quotes. 2013-01-22 02:27:26 +01:00
Julius Volz 56384bf42a Add initial config and rule language implementation. 2013-01-07 23:43:36 +01:00