Han Fei 6fa6a990f8 statistics: use PrevLastVersion to avoid error. (#3060) ...

Currently, we use startTS of a txn as the version of a stats table. There may be an error like this:
txn1 with version 2 write firstly.
TiDB update it, and the latest udpate version is 2.
then txn2 with version 1 write.
TiDB will never get it with the version 2.

So we choose to get the table stats which version is greator than the version before last two lease.

2017-04-17 22:50:03 +08:00

..

builder.go

statistics: refactor statistics package. (#3044)

2017-04-13 13:13:52 +08:00

ddl.go

*: update stats after creating table. (#3048)

2017-04-14 14:26:54 +08:00

fmsketch_test.go

executor, statistics: use FM sketch to estimate NDV (#2966)

2017-04-01 15:03:54 +08:00

fmsketch.go

executor, statistics: use FM sketch to estimate NDV (#2966)

2017-04-01 15:03:54 +08:00

histogram.go

statistics: every histogram use its own version to update. (#3059)

2017-04-17 21:13:18 +08:00

statistics_test.go

statistics: refactor statistics package. (#3044)

2017-04-13 13:13:52 +08:00

statscache_test.go

statistics: use PrevLastVersion to avoid error. (#3060)

2017-04-17 22:50:03 +08:00

statscache.go

statistics: use PrevLastVersion to avoid error. (#3060)

2017-04-17 22:50:03 +08:00

table.go

statistics: every histogram use its own version to update. (#3059)

2017-04-17 21:13:18 +08:00

update_list_test.go

*: online update count in table stats. (#3053)

2017-04-15 21:20:44 +08:00

update_test.go

*: online update count in table stats. (#3053)

2017-04-15 21:20:44 +08:00

update.go

*: online update count in table stats. (#3053)

2017-04-15 21:20:44 +08:00