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4 Commits

Author SHA1 Message Date
Guo Xiang Tan 57f92ac808 Revert "Swtich to regexp for `DbHelper.remap`." 
Regexp is so much slower.

This reverts commit c3f89e3cd7.
 2018-11-08 14:20:09 +08:00
Guo Xiang Tan c3f89e3cd7 Swtich to regexp for `DbHelper.remap`. 2018-11-08 14:08:38 +08:00
Guo Xiang Tan 9737938a4a Add option to skip tabels when using `DbHelper.remap`. 2018-11-08 12:29:37 +08:00
Guo Xiang Tan 3365753bd0 PERF: Reduce number of database queries for `DbHelper.remap` 
* Cuts number of queries from 273 to 89
* Add some specs
* For a table with 500 posts, benchmarks locally shows a runtime
  reduction from 0.046929135 to 0.032694705.
 2018-11-08 10:54:39 +08:00