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Release Cycle 12594
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>.< ... usual , where the upcoming release is still far away and the team is working hard on merging a variety of features and bug-fixes. During this phase, patch releases ( vx.y.<z+n> ) may be created from the vx.y-codename branch. The patches are merged int ... -codename branch, and the vx.y-codename branch is frequently merged into main to keep the two in sync. PRs into DuckDB Bug-fixes for vx.y.<z+n> patch releases are merged into vx.y-codename Features and bug-fixes for vx.<y+1>.0 are merged into main Pha ... ng minor release and is the branch from which all subsequent vx.<y+1>.<n> patch releases are released. PRs into DuckDB Bug-fixes for vx.y.<z+1> patch releases are merged into vx.y-codename Features and bug-fixes for vx.<y+1>.0 are merged into vx.<y+1> ...
https://man.mtool.work/duckdb/2.0/dev/release_cycle.html
Spark API 10474
The DuckDB Spark API implements the PySpark API , allowing you to use the familiar Spark API to interact with DuckDB. All statements are translated to DuckDB's internal plans using our relational API and executed using DuckDB's query engine ... ctions it covers are tested against PySpark 4.2.0 and 3.5.9. Warning The DuckDB Spark API is experimental and receives bug fixes only: missing features will not be added, and a later release will deprecate it. We recommend SQLFrame , which runs PySpar ... pts a pandas DataFrame, which needs pandas to be installed. Contribution Guidelines The experimental Spark API accepts bug fixes only. When contributing a fix, please test it with our pytest testing framework instead of using temporary files. ...
https://man.mtool.work/duckdb/2.0/clients/python/spark_api.html
UPDATE EXTENSIONS 8499
The UPDATE EXTENSIONS statement allows synchronizing the locally installed extension state with the repository that published a given extension. This statement is the recommended way to keep up to date with new features or bug fixes being r ...
https://man.mtool.work/duckdb/2.0/sql/statements/update_extensions.html
Analyzing a Git Repository 7896
You can use DuckDB to analyze Git logs using the output of the git log command . Exporting the Git Log We start by picking a character that doesn't occur in any part of the commit log (author names, messages, etc). Since version v1.2.0, Duc ... issue │ 1971 │ │ main │ 1935 │ │ remove │ 1884 │ │ format │ 1819 │ │ duckdb │ 1710 │ │ use │ 1442 │ │ mytherin │ 1410 │ │ fixes │ 1333 │ │ hawkfish │ 1147 │ │ feature │ 1139 │ │ function │ 1088 │ ├──────────┴───────┤ │ 20 rows │ └──────────────────┘ ...
https://man.mtool.work/duckdb/2.0/guides/snippets/analyze_git_repository.html
Python Function API 7732
You can create a DuckDB user-defined function (UDF) from a Python function so it can be used in SQL queries. Similarly to regular functions , they need to have a name, a return type and parameter types. Creating Functions To register a Pyth ... Using Partial Functions DuckDB UDFs can also be created with Python partial functions . The arguments the partial function fixes are not parameters of the UDF: from functools import partial import duckdb def add(x: int, y: int) -> int: return x + y wi ...
https://man.mtool.work/duckdb/2.0/clients/python/function.html
ATTACH and DETACH Statements 7585
DuckDB allows attaching to and detaching from database files. Examples Attach the database file.db with the alias inferred from the name ( file ): ATTACH 'file.db'; Attach the database file.db with an explicit alias ( file_db ): ATTACH 'fil ... must be at least two characters long and must not be followed by // , so URLs such as https://… are not treated as type prefixes. Otherwise, DuckDB inspects the file contents. A SQLite header selects the SQLITE type, and a DuckDB database file uses th ... e native DUCKDB type. Warning Passing TYPE DUCKDB explicitly fixes the type to native DuckDB storage and disables the path-based deduction described above. If you attach a path that carries ...
https://man.mtool.work/duckdb/2.0/sql/statements/attach.html
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