Issue Number: close http://jira.selectdb-in.cc/browse/CORE-1462 Describe the overview of changes. commit e1697741a82f875ca42b0d18caa7972eaa225bee Author: Kang <kxiao.tiger@gmail.com> Date: Thu Jan 19 22:59:29 2023 +0800 [opt](test) scalar_types_p0 use 100k lines dataset and scalar_types_p2 use 1000k (apache#16104) commit 33a47e8d02644123ffd8c5c4353653c1c175e96a Author: Kang <kxiao.tiger@gmail.com> Date: Wed Jan 18 14:17:24 2023 +0800 [testcase](bitmap index)bitmap index testcase (apache#15975) * add bitmap index testcases for all scalar types commit 260a631441834ca7e23da4b77c922eb818eddca7 Author: Kang <kxiao.tiger@gmail.com> Date: Mon Jan 16 16:49:59 2023 +0800 [regression-test](topn)add test cases for nonkey topn query for each scalar type (apache#15790) related to apache#15558 apache#15693 1. dup key table with 17 scalar datatypes 2. unique key table with mow enabled 3. unique key table with mow disabled commit 81cea5219ae86df950f10aa123072df78c7cdf23 Author: Kang <kxiao.tiger@gmail.com> Date: Sun Feb 19 23:28:33 2023 +0800 [bugfix](topn) fix topn read_orderby_key_columns nullptr (apache#16896) The SQL `SELECT nationkey FROM regression_test_query_p0_limit.tpch_tiny_nation ORDER BY nationkey DESC LIMIT 5` make be core dump since dereference a nullptr `read_orderby_key_columns in VCollectIterator::_topn_next`, triggered by skipping _colname_to_value_range init in apache#16818 . This PR makes two changes: 1. avoid read_orderby_key_columns nullptr in TabletReader::_init_orderby_keys_param 2. return error if read_orderby_key_columns is nullptr unexpected in VCollectIterator::_topn_next to avoid core dump commit 2fee1d1d79942e49eddaafdc2b49e49b0651b109 Author: Kang <kxiao.tiger@gmail.com> Date: Fri Feb 10 12:56:33 2023 +0800 [Improvement](topn) add limit threashold session variable and fuzzy for topn optimizations (apache#16514) 1. add limit threshold for topn runtime pushdown and key topn optimization 2. use unified session variable topn_opt_limit_threshold for all topn optimizations 3. add fuzzy support for topn_opt_limit_threshold commit 1696bed39129fcc891f32f64ff1fb43f9531fcd4 Author: Kang <kxiao.tiger@gmail.com> Date: Thu Feb 2 09:13:32 2023 +0800 [bugfix](topn) fix topn runtime predicate getting value bug for decimal type (apache#16331) * fix topn runtime predicate getting value bug for decimal type * fix cast_to_string bug for TYPE_DECIMALV2 commit d70cdf61521a23417c9bc734a3cdb668265a15b0 Author: Kang <kxiao.tiger@gmail.com> Date: Wed Feb 22 16:18:46 2023 +0800 topn sync doris order by key topn query optimization apache#15663 commit 1df514c8f0b66ae9a8438617163a31848e519949 Author: Kang <kxiao.tiger@gmail.com> Date: Wed Feb 22 15:14:43 2023 +0800 sync with doris runtime prune for topn query apache#15558

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