Add support for pre-agg detection & substitution #1636
Merged
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Summary
This PR adds support for automatically detecting and using pre-aggregated tables during SQL generation in v3 SQL building. When a pre-aggregation exists that can satisfy a query's requirements, we will read from the pre-aggregated table instead of computing from source data, which helps to improve query perf.
We find pre-aggregations that satisfy query requirements based on:
When a matching pre-agg is found, we generate SQL that reads from the pre-aggregation's materialized table and re-aggregates it to the requested grain using merge functions. This also preserves all metadata (column types, semantic entities).
This PR also adds
include_temporal_filtersandlookback_windowas parameters for incremental materialization.Test Plan
make checkpassesmake testshows 100% unit test coverageDeployment Plan