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Wiki / Functions

xmlcomment

The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-”, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

Reading PG 18·Select a recorded version

group
xml
group label
XML 函数
lang
en
layout
table-new
pages
functions-xml.html
prose only
false

Definition PG 18

The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-”, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.

Signatures and overloads

xmlcomment ( text ) → xml → xml
The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-”, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.

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Complete source facts

documentation revision

{"inputs":[{"file":"functions-xml.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"01aeb9b85a44b934664d02e73f09eba80ac8da243706dd1ea2b4943d6cf43a31","version":"18.7"},{"file":"functions-xml.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"7f81f95d894b56436ba5c9f248999c6f79a15eff2f8e02803e9578894005ba44","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:0349ee41534deca5d9373aed3e5634c873a820e7c7c40a5d39ce3b72dcd2191d

Text language: en · wiki-repair-20261023:0349ee41534deca5d9373aed3e5634c873a820e7c7c40a5d39ce3b72dcd2191d