dependabot[bot] opened a new pull request, #3139: URL: https://github.com/apache/iceberg-python/pull/3139
Bumps [duckdb](https://github.com/duckdb/duckdb-python) from 1.4.4 to 1.5.0. <details> <summary>Release notes</summary> <p><em>Sourced from <a href="https://github.com/duckdb/duckdb-python/releases";>duckdb's releases</a>.</em></p> <blockquote> <h2>DuckDB Python 1.5.0 "Variegata"</h2> <p>This is the 1.5.0 release of DuckDB's Python bindings. For a list of changes in DuckDB core, have a look at the <a href="https://github.com/duckdb/duckdb/releases/tag/v1.5.0";>DuckDB release notes</a> and <a href="https://duckdb.org/2026/03/09/announcing-duckdb-150.html";>the blogpost</a>.</p> <h3>Breaking Changes</h3> <ul> <li><strong>Dropped Python 3.9 support.</strong> The minimum supported version is now Python 3.10.</li> <li><strong>Removed deprecated <code>duckdb.typing</code> and <code>duckdb.functional</code> modules.</strong> These were deprecated in 1.4.0. Use <code>duckdb.sqltypes</code> and <code>duckdb.func</code> instead.</li> <li><strong>Renamed <code>column</code> parameter to <code>expression</code></strong> in relational API functions (e.g., <code>min</code>, <code>max</code>, <code>sum</code>, <code>mean</code>, etc.) to better reflect that these accept expressions, not just column names.</li> <li><strong>Deprecated <code>fetch_arrow_table()</code> and <code>fetch_record_batch()</code></strong> on connections and relations. Use the new <code>to_arrow_table()</code> and <code>to_arrow_reader()</code> methods instead.</li> </ul> <h3>New Features</h3> <ul> <li><strong>Polars LazyFrame projection and filter pushdown.</strong> DuckDB can now push down projections and filters when scanning Polars LazyFrames, including support for cast nodes and unstrict casts.</li> <li><strong>Polars Int128 / UInt128 support.</strong></li> <li><strong>VARIANT type support</strong> — Python conversion, NumPy array wrapping, and type stubs.</li> <li><strong>TIME_NS type support</strong> — nanosecond-precision time values across Python, NumPy, and Spark type systems.</li> <li><strong>Profiling API</strong> — new <code>get_profiling_info()</code> and <code>get_profiling_json()</code> methods on connections, plus a refactored <code>query_graph</code> module with improved HTML visualization (dark mode, expandable phases, depth).</li> <li><strong><code>to_arrow_table()</code> and <code>to_arrow_reader()</code></strong> — new methods on connections and relations as the preferred Arrow export API.</li> </ul> <h3>Performance</h3> <ul> <li><strong><code>__arrow_c_stream__</code> on relations</strong> — relations now export via the Arrow PyCapsule interface using <code>PhysicalArrowCollector</code> for zero-copy streaming.</li> <li><strong>Unified Arrow stream scanning</strong> via <code>__arrow_c_stream__</code>, with filter pushdown only when pyarrow is present.</li> <li><strong>Arrow schema caching</strong> to avoid repeated lookups during scanning.</li> <li><strong>Arrow object type caching</strong> to avoid repeated detection.</li> <li><strong>Empty params treated as None for <code>.sql()</code></strong> — avoids unnecessary parameter binding overhead.</li> <li><strong>Simplified GIL management</strong> for <code>FetchRow</code>.</li> </ul> <h3>Bug Fixes</h3> <ul> <li><strong>Fixed Python object leak in scalar UDFs</strong> — <code>PyObject_CallObject</code> return values are now properly stolen to avoid reference count leaks.</li> <li><strong>Fixed reference cycle</strong> between connections and relations that could prevent garbage collection.</li> <li><strong>Relations now hold a reference to their connection</strong>, preventing premature connection closure.</li> <li><strong>Fixed fsspec race condition</strong> in the Python filesystem implementation.</li> <li><strong>Fixed numeric conversion logic</strong> — improved handling of large integers (fallback to VARCHAR) and UNION types.</li> <li><strong><code>pyarrow.dataset</code> import is now optional</strong> — no longer fails if pyarrow is installed without the dataset module.</li> <li><strong>Thrown a reasonable error</strong> when an Arrow array stream has already been consumed.</li> </ul> <h3>Build & Packaging</h3> <ul> <li><strong>jemalloc enabled on Linux x86_64 only</strong> (aligned with DuckDB core), removed as a separately bundled extension.</li> <li><strong>MSVC runtime linked statically</strong> on Windows — eliminates the VS2019 workaround from <a href="https://redirect.github.com/duckdb/duckdb/issues/17991";>duckdb/duckdb#17991</a>.</li> </ul> </blockquote> </details> <details> <summary>Commits</summary> <ul> <li><a href="https://github.com/duckdb/duckdb-python/commit/87e7928a47eced6b72d6fc95c2d860f769390038";><code>87e7928</code></a> pin release</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/a85f289a46d1b48a41c78f0c0a5151d8386aa11f";><code>a85f289</code></a> [duckdb-labs bot] Bump DuckDB submodule (<a href="https://redirect.github.com/duckdb/duckdb-python/issues/365";>#365</a>)</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/e0ebd50b2a94e093ca7cb0b77504b503e0968719";><code>e0ebd50</code></a> Bump submodule</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/2955da9102259c6cd924d38afff342b6d63f8cae";><code>2955da9</code></a> [duckdb-labs bot] Bump DuckDB submodule (<a href="https://redirect.github.com/duckdb/duckdb-python/issues/360";>#360</a>)</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/7ca17e51d2b1c8d3bb891148022d3e4847389276";><code>7ca17e5</code></a> Bump submodule</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/fb7cee85510e7bc01078fa12e29c2e24b64cbff7";><code>fb7cee8</code></a> Pin submodule to release hash</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/6b092b00b94bf46c1671829255c5c7bc115214cd";><code>6b092b0</code></a> [duckdb-labs bot] Bump DuckDB submodule (<a href="https://redirect.github.com/duckdb/duckdb-python/issues/355";>#355</a>)</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/3e7a6d3ea62d2d28a092f0ba48d91a809f268f44";><code>3e7a6d3</code></a> Bump submodule</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/55013e18c8e29e5ee23e38cc9eddf54351808d7f";><code>55013e1</code></a> Allow strict casts of literals only in polars lazyframe pushdown (<a href="https://redirect.github.com/duckdb/duckdb-python/issues/348";>#348</a>)</li> <li><a href="https://github.com/duckdb/duckdb-python/commit/b8d19d0688a0ec31db16c82bf353fba5cda58dcd";><code>b8d19d0</code></a> Fix failing tests</li> <li>Additional commits viewable in <a href="https://github.com/duckdb/duckdb-python/compare/v1.4.4...v1.5.0";>compare view</a></li> </ul> </details> <br /> [](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores) Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. 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