planner: testing the ExtractFD just after the plan building phase#6
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winoros wants to merge 3 commits into
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planner: testing the ExtractFD just after the plan building phase#6winoros wants to merge 3 commits into
winoros wants to merge 3 commits into
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winoros
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AilinKid
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Feb 23, 2022
| { | ||
| sql: "select * from x1 where c = d group by b, c", | ||
| best: "DataScan(x1)->Aggr(firstrow(test.x1.a),firstrow(test.x1.b),firstrow(test.x1.c),firstrow(test.x1.d))->Projection", | ||
| best: "DataScan(x1)->Sel([eq(test.x1.c, test.x1.d)])->Aggr(firstrow(test.x1.a),firstrow(test.x1.b),firstrow(test.x1.c),firstrow(test.x1.d))->Projection", |
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Seem need to show 4 item fd here? A>>>B>>>C>>>D
winoros
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Mar 4, 2026
*: materialized view refresh optimizer updates
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What problem does this PR solve?
To support
only_full_group_bychecking and to test the basic usage. We just test the FD result after the plan building phase.What is changed and how it works?
Check List
Tests