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Eliminate the scalar value filter - #2002
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PTAL @Dandandan @houqp ❤ |
Dandandan
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Mar 13, 2022
Ted-Jiang
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Mar 13, 2022
| }) => { | ||
| if !*v { | ||
| return Ok(LogicalPlan::EmptyRelation(EmptyRelation { | ||
| produce_one_row: false, |
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i have checked in pg , it will return 0 row. 👍
postgres=# select 1 from user_tbl where false;
?column?
----------
(0 rows)
postgres=# select * from user_tbl where false;
name | signup_date
------+-------------
(0 rows)
Dandandan
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Mar 13, 2022
jackwener
changed the title
false filter
houqp
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Mar 14, 2022
liukun4515
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Mar 14, 2022
liukun4515
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LGTM
Thanks @jackwener
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Thanks @jackwener |
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Which issue does this PR close?
Closes #1724.
What changes are included in this PR?
Add rule
eliminate_filter, which can eliminate the filter using scalar and add unit test.Are there any user-facing changes?
None.