feat: support table sample #16505
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feat: support table sample #16505
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It would be better to add more details about the PR, such as: |
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Which issue does this PR close?
Rationale for this change
Currently table sample is not supported.
What changes are included in this PR?
support table sample.
it's row level.
three sample methods are supported.
Are these changes tested?
UT
Are there any user-facing changes?
Yes, If the user uses the match statement for logical plan, the user needs to add sample into match statement.