Commit Graph

11 Commits

Author SHA1 Message Date
9e960f4c4f [chore](build) Use include-what-you-use to optimize includes (#18681)
Currently, there are some useless includes in the codebase. We can use a tool named include-what-you-use to optimize these includes. By using a strict include-what-you-use policy, we can get lots of benefits from it.
2023-04-17 11:44:58 +08:00
a8f20eb4ac [Enhencement](schema_scanner) Optimize the performance of reading information schema tables (#17371)
batch fill block
batch call rpc from FE to get table desc
For 34w colunms

SELECT COUNT( * ) FROM information_schema.columns;
time: 10.3s --> 0.4s
2023-03-06 09:53:01 +08:00
68e9a66aa0 [Enchancement](schema scanner) add SchemaScanner profile (#17230)
Add some profile information to the schema scanner to facilitate performance optimization.

Example:

SchemaScanner:
      -  FillBlockTime:  9s131ms
      -  GetDbTime:  12.816ms
      -  GetDescribeTime:  1s645ms
      -  GetTableTime:  25.433ms
2023-03-01 08:34:27 +08:00
69e748b076 [fix](schema scanner)change schema_scanner::get_next_row to get_next_block (#15718) 2023-01-30 10:01:50 +08:00
199d7d3be8 [Refactor]Merged string_value into string_ref (#15925) 2023-01-22 16:39:23 +08:00
1ec615c562 [BUG] Fixed some uninitialized variables (#5850)
Fixed some potential bugs caused by uninitialized variables
2021-05-25 10:34:35 +08:00
6fedf5881b [CodeFormat] Clang-format cpp sources (#4965)
Clang-format all c++ source files.
2020-11-28 18:36:49 +08:00
9d03ba236b Uniform Status (#1317) 2019-06-14 23:38:31 +08:00
37b4cafe87 Change variable and namespace name in BE (#268)
Change 'palo' to 'doris'
2018-11-02 10:22:32 +08:00
2868793b6b Change license to Apache License 2.0 (#262) 2018-11-01 09:06:01 +08:00
e2311f656e baidu palo 2017-08-11 17:51:21 +08:00