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"opcdefault": "f", "opckeytype": "text", "opcnamespace": "pg_catalog"}], "description_zh_html": "<p>变长字符串</p><h3>同版本中文手册定义</h3><table><tbody><tr><td><code>text</code></td><td>无限长度的变长</td></tr></tbody></table><p><a href=\"/zh/docs/18/datatype-character.html\" rel=\"nofollow\">查看完整中文手册与上下文</a>。</p>", "manual_documentation": "dedicated family chapter", "center_zh_rendered": "<p>变长字符串</p><h3>同版本中文手册定义</h3><table><tbody><tr><td><code>text</code></td><td>无限长度的变长</td></tr></tbody></table><p><a href=\"/docs/18/datatype-character.html\">查看完整中文手册与上下文</a>。</p>"}, "from": "17", "comparison": {"available": true, "changes": [], "prose_changed": false}}