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- Indexing 11228
- DuckDB has two types of indexes: zonemaps and ART indexes. Zonemaps DuckDB automatically creates zonemaps (also known as min-max indexes) for the columns of all general-purpose data types . Operations like predicate pushdown into scan opera
...hes dynamic filters, e.g., from hash joins, into the scan, allowing dynamic index scans on these filters. Indexes are only eligible for index scans if they index a single column without expressions. E.g., the following index is eligible for index scans:...CREATE INDEX idx ON tbl (col1); E.g., the following two indexes are NOT eligible for index scans: CREATE INDEX idx_multi_column ON tbl (col1, col2); CREATE INDEX idx_expr ON tbl (col1 + 1); The default t... - https://man.mtool.work/duckdb/2.0/guides/performance/indexing.html
- Release Cycle 7485
- This document outlines the DuckDB and core extension release cycle framework. It is intended for developers working on DuckDB extensions to better understand the underlying processes. Overview DuckDB follows Semantic Versioning ( v<MAJOR>.<
...e as follows: Switch: Single branch -> Two branch When: during any phase Reasons: When desire arises to merge features not eligible for vx.y.<z+1> while also maintaining ability to do releases for vx.y.<z+n> To be able to test with latest DuckDB main whi...> Three branch When: during Pre-release or Feature-freeze phase Reasons: Whenever a feature needs to be merged that is not eligible for merging into vx.<y+1>.0 . Actions: Create vx.<y+1>-codename branch from main Switch Three branch -> Two branch or Two... - https://man.mtool.work/duckdb/2.0/dev/release_cycle.html
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