minghong
minghong
# Proposed changes TPCH q7, we have expression like ``` (n1.n_name = 'FRANCE' and n2.n_name = 'GERMANY') or (n1.n_name = 'GERMANY' and n2.n_name = 'FRANCE') ``` this expression implies `(n1.n_name='FRANCE'...
# Proposed changes Issue Number: close #xxx ## Problem summary Describe your changes. ## Checklist(Required) 1. Does it affect the original behavior: - [ ] Yes - [ ] No...
# Proposed changes cherry pick from master [enhancement](rewrite) add OrToIn rule and fix ExtractCommonFactorsRule apply problems (#12872) [enhance](planner)convert 'or' into 'in-predicate' (#15737) Issue Number: close #xxx ## Problem summary Describe...
# Proposed changes in order to print parenthesis in Expr, coder have to call `expr.setPrintSqlInParens(true);` This is error-prone. if user forget to call it, the print of Expr is wrong....
# Proposed changes This pr makes `explain verbose` more readable we print slot descriptor with its name and Expression ID. Let's take some examples to illustrate its benifit. ### 1....
# Proposed changes `select a from t where a in (select k from bitmap_table)` , in which `t.a` is int, and `bitmap_table.k` is bitmap this sql is transformed to `select...
# Proposed changes support tpcds related window function in nereids Issue Number: close #xxx ## Problem summary Describe your changes. ## Checklist(Required) * [ ] Does it affect the original...
# Proposed changes 1. use session variable dump_nereids_memo to turn on/off memo dump 2. skip filter like "__DORIS_DELETE_SIGN__ =0" in stats derive, 3. update cost model for DistributedReplicated Issue Number:...
## Proposed changes Issue Number: close #xxx ## Further comments If this is a relatively large or complex change, kick off the discussion at [[email protected]](mailto:[email protected]) by explaining why you chose...
## Proposed changes 1. unify the process of generating rf for hash join and for nested loop join 2. fix some bugs in generating rf 3. remove some duplicated check...