4d9b70f0a6
plan, executor: give special treat for index columns when analyze table ( #2436 )
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* plan/statistics: statistics support add index info
2017-01-26 11:24:53 +08:00
304445514b
plan: remove useless log ( #2463 )
2017-01-15 10:56:26 +08:00
07f756b818
plan/statistics: statistics support add index info ( #2349 )
2017-01-10 15:22:01 +08:00
47316499fd
plan: add cache for statistics table ( #2398 )
2017-01-08 01:09:23 +08:00
f42eb05cbb
adjust the parameter of cbo ( #2412 )
2017-01-07 16:24:15 +08:00
74a1c9935d
*: add StatementContext argument to functions. ( #2157 )
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Add StatementContext argument to more functions where it is needed.
2016-12-02 23:28:11 +08:00
de1714845d
plan: adjust index cost calculation algorithm. ( #1975 )
2016-11-10 15:56:22 +08:00
693eada753
plan: fix cost calculate bug. ( #1933 )
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* plan: fix cost calculate bug.
2016-11-03 12:34:34 +08:00
0956a65cbd
*: update tipb for time zone offset ( #1807 )
2016-10-11 11:08:33 +08:00
f87a342579
change equal filter rate to 1/200 ( #1708 )
2016-09-09 09:48:28 +08:00
558ba06368
decode with value size ( #1641 )
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Add size parameter for Decode to reduce slice growth
BenchmarkDecodeWithSize-8 300000 6153 ns/op
BenchmarkDecodeWithOutSize-8 200000 11934 ns/op
2016-08-26 10:44:03 +08:00
076e358324
plan: Fix a few bugs ( #1555 )
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* plan: fix cost full range bug
* plan: fix like empty pattern
* plan: make more accurate cost
* plan: make more accurate cost in range[MinNotNull,MaxValue]
* executor: fix like convert to PB when pattern isn't a constant
2016-08-05 16:54:17 +08:00
d639c0aa54
support single index read. ( #1538 )
2016-08-02 16:13:50 +08:00
b23d798f75
plan/statistics: implement pseudo table and API to estimate row count. ( #1434 )
2016-07-13 15:42:22 +08:00
a9aad12ba8
*: move tablecodec package out of xapi. ( #1335 )
2016-06-22 13:32:26 +08:00
b8bf59592f
executor: implement ANALYZE TABLE ( #1327 )
2016-06-20 11:13:16 +08:00
1e4eb0e91a
plan/statistics: Add Statistics types. ( #1322 )
2016-06-16 19:02:23 +08:00
