feat(cost-model): Basic cost model computation#40

Merged

lanlou1554 merged 54 commits intomainfrom

basic-cost-model-computation

Nov 19, 2024

Commits on Nov 16, 2024

Partial migration of filter
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Change col to attr
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implement cost computation for limit

xx01cyx
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add author

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introduce ColumnCombValueStats

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refactor AttributeCombValueStats and introduce statistic-related data structures

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Change col to attr in filter
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Complete partial implementation of filter
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Add get_attribute_comb_stats
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Finish first draft version of filter functionality
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Add comment for the guideline of re-designing PredicateNode
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introduce IdPred and make AttributeRefPred store table id and attr index

xx01cyx
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add get method for id pred and add comments

xx01cyx
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add check for derived column in AttributeRefPred

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make get_attributes_comb_statistics return Option

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implement agg cost computation

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move filter-related constants to stats crate

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fix clippy

xx01cyx
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Resolve the optional comb stats, remove table id in filter
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Refactor filter implementation
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Resolve conflict with main
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Refactor cost model storage
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Move storage attribute to mod
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Add initial test framework in cost_model.rs
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Fix typo in initial test framework
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Commits on Nov 18, 2024