greptimedb/servers/postgres/handler/fn.copy_out_schema_with_timezone.html

<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Rewrites timestamp fields of the table’s arrow schema to carry the session timezone, so COPY OUT renders them with an explicit offset (`2024-01-01 08:00:00+08:00`). Returns `None` when there is nothing to rewrite (no naive timestamps or a UTC session leaving output as-is is fine either way — offsets are always unambiguous on re-import)."><title>copy_out_schema_with_timezone in servers::postgres::handler - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-6b053e98.ttf.woff2,FiraSans-Italic-81dc35de.woff2,FiraSans-Regular-0fe48ade.woff2,FiraSans-MediumItalic-ccf7e434.woff2,FiraSans-Medium-e1aa3f0a.woff2,SourceCodePro-Regular-8badfe75.ttf.woff2,SourceCodePro-Semibold-aa29a496.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2"href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-9960930a.css"><link rel="stylesheet" href="../../../static.files/rustdoc-1ed95124.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="servers" data-themes="" data-resource-suffix="" data-rustdoc-version="1.98.1 (48a229cea 2026-09-01)" data-channel="1.98.1" data-search-js="search-9944d736.js" data-stringdex-js="stringdex-2da4960a.js" data-settings-js="settings-170eb4bf.js" ><script src="../../../static.files/storage-41dd4d93.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../static.files/main-417ebf0a.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-f7c3ffd8.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-eab170b8.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-044be391.svg"></head><body class="rustdoc fn"><a class="skip-main-content" href="#main-content">Skip to main content</a><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><rustdoc-topbar><h2><a href="#">copy_out_schema_with_timezone</a></h2></rustdoc-topbar><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../servers/index.html">servers</a><span class="version">1.4.0-alpha.0</span></h2></div><div class="sidebar-elems"><div id="rustdoc-modnav"><h2><a href="index.html">In servers::<wbr>postgres::<wbr>handler</a></h2></div></div></nav><div class="sidebar-resizer" title="Drag to resize sidebar"></div><main><div class="width-limiter"><section id="main-content" class="content" tabindex="-1"><div class="main-heading"><div class="rustdoc-breadcrumbs"><a href="../../index.html">servers</a>::<wbr><a href="../index.html">postgres</a>::<wbr><a href="index.html">handler</a></div><h1>Function <span class="fn">copy_<wbr>out_<wbr>schema_<wbr>with_<wbr>timezone</span>&nbsp;<button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><rustdoc-toolbar></rustdoc-toolbar><span class="sub-heading"><a class="src" href="../../../src/servers/postgres/handler.rs.html#865-890">Source</a> </span></div><pre class="rust item-decl"><code>fn copy_out_schema_with_timezone(
    schema: &amp;SchemaRef,
    query_ctx: &amp;<a class="type" href="../../../session/context/type.QueryContextRef.html" title="type session::context::QueryContextRef">QueryContextRef</a>,
) -&gt; <a class="enum" href="https://doc.rust-lang.org/1.98.1/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="https://doc.rust-lang.org/1.98.1/alloc/sync/struct.Arc.html" title="struct alloc::sync::Arc">Arc</a>&lt;Schema&gt;&gt;</code></pre><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Rewrites timestamp fields of the table’s arrow schema to carry the
session timezone, so COPY OUT renders them with an explicit offset
(<code>2024-01-01 08:00:00+08:00</code>). Returns <code>None</code> when there is nothing
to rewrite (no naive timestamps or a UTC session leaving output as-is
is fine either way — offsets are always unambiguous on re-import).</p>
</div></details></section></div></main></body></html>