Move UNION planning to the operators#13450

Merged

systay merged 46 commits intovitessio:mainfrom

planetscale:new-union-planning

Aug 8, 2023

Commits on Aug 3, 2023

start moving UNION planning over to the operators

systay
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harshit-gangal
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rename the slices2 package to slice

systay
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harshit-gangal
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rename Merge to MergeJoin to make place for MergeUnion

systay
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harshit-gangal
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rewrite the compact rules for UNION

systay
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harshit-gangal
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Make UNION compact more efficient

systay
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harshit-gangal
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another attempt at offset planning for UNION

systay
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harshit-gangal
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wip - start of merging UNION

systay
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harshit-gangal
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wip - continue with merging of UNION

systay
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harshit-gangal
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wip - logic around turning UNION operators to SQL

systay
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harshit-gangal
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logic around DISTINCT pushing

systay
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harshit-gangal
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improved logic in Union.AddColumn

systay
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harshit-gangal
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missing license header

systay
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harshit-gangal
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don't remove operators by mistake

systay
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harshit-gangal
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merge UNION ALL as well

systay
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harshit-gangal
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add FindCol to the Operator interface

systay
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harshit-gangal
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create derived projection on top of union on horizon expansion
harshit-gangal
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handle union columns in the semtable so dependencies are handled correctly everywhere

systay
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harshit-gangal
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make sure that UNION reports enough columns so column truncation can happen correctly

systay
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harshit-gangal
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handle types and dependencies better for UNIONs not in derived tables

systay
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harshit-gangal
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clean up Disinct operator handling

systay
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harshit-gangal
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instead of failing, we can use a Filter op instead

systay
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harshit-gangal
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move from AddColumn to AddColumns

systay
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harshit-gangal
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clean up projections around aggregation and derived tables

systay
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harshit-gangal
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distinct to send columns at once to source for AddColumns, route to add only not available columns below and use reuse bool for adding them
harshit-gangal
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add truncation logic to filter
harshit-gangal
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fix the test expectation
harshit-gangal
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update sizegen
harshit-gangal
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improve distinct planning to only reject when columns do not align
harshit-gangal
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update executor union query test expectation
harshit-gangal
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fix compact and truncation order by reversing it and adding one more compact call
harshit-gangal
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merge sharded route on union only when both are scatter or both are equal unique with same vindex and value
harshit-gangal
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fix unit test
harshit-gangal
committed

Commits on Aug 4, 2023

addressed review comments
harshit-gangal
committed

Commits on Aug 6, 2023

Commits on Aug 7, 2023

Commits on Aug 8, 2023