141 lines
5.8 KiB
HTML
141 lines
5.8 KiB
HTML
<!DOCTYPE html>
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<title>SQLite Release 3.33.0 On 2020-08-14</title>
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<body>
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Small. Fast. Reliable.<br>Choose any three.
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<h2>SQLite Release 3.33.0 On 2020-08-14</h2><p><ol class='lessindent'>
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<li> Support for <a href="../lang_update.html#upfrom">UPDATE FROM</a> following the PostgreSQL syntax.
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<li> Increase the maximum size of database files to 281 TB.
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<li> Extended the <a href="../pragma.html#pragma_integrity_check">PRAGMA integrity_check</a> statement so that it can optionally be
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limited to verifying just a single table and its indexes, rather than the
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entire database file.
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<li> Added the <a href="../floatingpoint.html#decext">decimal extension</a> for doing arbitrary-precision decimal arithmetic.
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<li> Enhancements to the <a href="../floatingpoint.html#ieee754ext">ieee754 extension</a> for working with IEEE 754 binary64 numbers.
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<li> <a href="../cli.html">CLI</a> enhancements:
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<ol type="a">
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<li> Added four new <a href="../cli.html#dotmode">output modes</a>: "box", "json", "markdown",
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and "table".
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<li> The "column" output mode automatically expands columns to
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contain the longest output row and automatically turns
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".header" on if it has not been previously set.
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<li> The "quote" output mode honors ".separator"
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<li> The <a href="../floatingpoint.html#decext">decimal extension</a> and the <a href="../floatingpoint.html#ieee754ext">ieee754 extension</a> are built-in to the CLI
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</ol>
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<li> Query planner improvements:
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<ol type="a">
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<li> Add the ability to find a
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full-index-scan query plan for queries using <a href="../lang_indexedby.html">INDEXED BY</a>
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which previously would fail with "no query solution".
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<li> Do a better job of
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detecting missing, incomplete, and/or dodgy <a href="../fileformat2.html#stat1tab">sqlite_stat1</a>
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data and generates good query plans in spite of the
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misinformation.
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<li> Improved performance of queries like "SELECT min(x) FROM t WHERE y IN (?,?,?)"
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assuming an index on t(x,y).
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</ol>
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<li> In <a href="../wal.html">WAL mode</a>, if a writer crashes and leaves the <a href="../walformat.html#shm">shm file</a> in an inconsistent
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state, subsequent transactions are now able to recover the shm file even if
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there are active read transactions. Before this enhancement, shm file recovery
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that scenario would result in an <a href="../rescode.html#protocol">SQLITE_PROTOCOL</a> error.
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<p><b>Hashes:</b>
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<li>SQLITE_SOURCE_ID: 2020-08-14 13:23:32 fca8dc8b578f215a969cd899336378966156154710873e68b3d9ac5881b0ff3f
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<li>SHA3-256 for sqlite3.c: d00b7fffa6d33af2303430eaf394321da2960604d25a4471c7af566344f2abf9
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</ol></p>
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<p>A <a href="../changes.html">complete list of SQLite releases</a>
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in a single page and a <a href="../chronology.html">chronology</a> are both also available.
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A detailed history of every
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check-in is available at
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<a href="http://www.sqlite.org/src/timeline">
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SQLite version control site</a>.</p>
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