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diff --git a/doc/src/sgml/html/datatype-json.html b/doc/src/sgml/html/datatype-json.html index 54cab9a..d7ceac3 100644 --- a/doc/src/sgml/html/datatype-json.html +++ b/doc/src/sgml/html/datatype-json.html @@ -1,7 +1,7 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?> -<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>8.14. JSON Types</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="datatype-xml.html" title="8.13. XML Type" /><link rel="next" href="arrays.html" title="8.15. Arrays" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">8.14. <acronym class="acronym">JSON</acronym> Types</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="datatype-xml.html" title="8.13. XML Type">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="datatype.html" title="Chapter 8. Data Types">Up</a></td><th width="60%" align="center">Chapter 8. Data Types</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="arrays.html" title="8.15. Arrays">Next</a></td></tr></table><hr /></div><div class="sect1" id="DATATYPE-JSON"><div class="titlepage"><div><div><h2 class="title" style="clear: both">8.14. <acronym class="acronym">JSON</acronym> Types</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="datatype-json.html#JSON-KEYS-ELEMENTS">8.14.1. JSON Input and Output Syntax</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSON-DOC-DESIGN">8.14.2. Designing JSON Documents</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSON-CONTAINMENT">8.14.3. <code class="type">jsonb</code> Containment and Existence</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSON-INDEXING">8.14.4. <code class="type">jsonb</code> Indexing</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSONB-SUBSCRIPTING">8.14.5. <code class="type">jsonb</code> Subscripting</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#id-1.5.7.22.20">8.14.6. Transforms</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#DATATYPE-JSONPATH">8.14.7. jsonpath Type</a></span></dt></dl></div><a id="id-1.5.7.22.2" class="indexterm"></a><a id="id-1.5.7.22.3" class="indexterm"></a><p> +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>8.14. JSON Types</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="datatype-xml.html" title="8.13. XML Type" /><link rel="next" href="arrays.html" title="8.15. Arrays" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">8.14. <acronym class="acronym">JSON</acronym> Types</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="datatype-xml.html" title="8.13. XML Type">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="datatype.html" title="Chapter 8. Data Types">Up</a></td><th width="60%" align="center">Chapter 8. Data Types</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="arrays.html" title="8.15. Arrays">Next</a></td></tr></table><hr /></div><div class="sect1" id="DATATYPE-JSON"><div class="titlepage"><div><div><h2 class="title" style="clear: both">8.14. <acronym class="acronym">JSON</acronym> Types</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="sect2"><a href="datatype-json.html#JSON-KEYS-ELEMENTS">8.14.1. JSON Input and Output Syntax</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSON-DOC-DESIGN">8.14.2. Designing JSON Documents</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSON-CONTAINMENT">8.14.3. <code class="type">jsonb</code> Containment and Existence</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSON-INDEXING">8.14.4. <code class="type">jsonb</code> Indexing</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#JSONB-SUBSCRIPTING">8.14.5. <code class="type">jsonb</code> Subscripting</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#id-1.5.7.22.20">8.14.6. Transforms</a></span></dt><dt><span class="sect2"><a href="datatype-json.html#DATATYPE-JSONPATH">8.14.7. jsonpath Type</a></span></dt></dl></div><a id="id-1.5.7.22.2" class="indexterm"></a><a id="id-1.5.7.22.3" class="indexterm"></a><p> JSON data types are for storing JSON (JavaScript Object Notation) - data, as specified in <a class="ulink" href="https://tools.ietf.org/html/rfc7159" target="_top">RFC + data, as specified in <a class="ulink" href="https://datatracker.ietf.org/doc/html/rfc7159" target="_top">RFC 7159</a>. Such data can also be stored as <code class="type">text</code>, but the JSON data types have the advantage of enforcing that each stored value is valid according to the JSON rules. There are also @@ -595,21 +595,20 @@ UPDATE table_name SET jsonb_field[1]['a'] = '1'; In particular, the way to write a double quote within an embedded string literal is <code class="literal">\"</code>, and to write a backslash itself, you must write <code class="literal">\\</code>. Other special backslash sequences - include those recognized in JSON strings: + include those recognized in JavaScript strings: <code class="literal">\b</code>, <code class="literal">\f</code>, <code class="literal">\n</code>, <code class="literal">\r</code>, <code class="literal">\t</code>, <code class="literal">\v</code> - for various ASCII control characters, and - <code class="literal">\u<em class="replaceable"><code>NNNN</code></em></code> for a Unicode - character identified by its 4-hex-digit code point. The backslash - syntax also includes two cases not allowed by JSON: + for various ASCII control characters, <code class="literal">\x<em class="replaceable"><code>NN</code></em></code> for a character code - written with only two hex digits, and - <code class="literal">\u{<em class="replaceable"><code>N...</code></em>}</code> for a character - code written with 1 to 6 hex digits. + written with only two hex digits, + <code class="literal">\u<em class="replaceable"><code>NNNN</code></em></code> for a Unicode + character identified by its 4-hex-digit code point, and + <code class="literal">\u{<em class="replaceable"><code>N...</code></em>}</code> for a Unicode + character code point written with 1 to 6 hex digits. </p><p> A path expression consists of a sequence of path elements, which can be any of the following: @@ -727,4 +726,4 @@ UPDATE table_name SET jsonb_field[1]['a'] = '1'; For this purpose, the term <span class="quote">“<span class="quote">value</span>”</span> includes array elements, though JSON terminology sometimes considers array elements distinct from values within objects. - </p></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="datatype-xml.html" title="8.13. XML Type">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="datatype.html" title="Chapter 8. Data Types">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="arrays.html" title="8.15. Arrays">Next</a></td></tr><tr><td width="40%" align="left" valign="top">8.13. <acronym class="acronym">XML</acronym> Type </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.6 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 8.15. Arrays</td></tr></table></div></body></html>
\ No newline at end of file + </p></div></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="datatype-xml.html" title="8.13. XML Type">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="datatype.html" title="Chapter 8. Data Types">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="arrays.html" title="8.15. Arrays">Next</a></td></tr><tr><td width="40%" align="left" valign="top">8.13. <acronym class="acronym">XML</acronym> Type </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 8.15. Arrays</td></tr></table></div></body></html>
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