bugfix: fix bug in LimitPushDown which pushdown into limit wrong. #4309
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jackwener
commented
Nov 21, 2022
| .build() | ||
| .unwrap(); | ||
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| let expected = "Limit: skip=1000, fetch=None\ |
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original
Limit: skip=1000, fetch=None
\n Limit: skip=0, fetch=1000
\n TableScan: test, fetch=1000
jackwener
commented
Nov 21, 2022
Comment on lines
+998
to
+1000
| let expected = "Limit: skip=1000, fetch=None\ | ||
| \n Limit: skip=1000, fetch=0\ | ||
| \n TableScan: test, fetch=0"; |
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original
Limit: skip=1000, fetch=None
\n Limit: skip=0, fetch=1
\n TableScan: test, fetch=1
jackwener
changed the title
|
add this enhancement into #4276. |
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Which issue does this PR close?
Closes #4308.
Current computation is wrong when meet two limit merge.
Rationale for this change
What changes are included in this PR?
Are these changes tested?
Are there any user-facing changes?