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xmlpi

The xmlpi expression creates an XML processing instruction. As for xmlelement, the name must be a simple identifier, while the content expression can have any data type. The content, if present, must not contain the character sequence ?>.

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 xmlpi expression creates an XML processing instruction. As for xmlelement, the name must be a simple identifier, while the content expression can have any data type. The content, if present, must not contain the character sequence ?>.

Signatures and overloads

xmlpi ( NAME name [, content] ) → xml → xml
The xmlpi expression creates an XML processing instruction. As for xmlelement, the name must be a simple identifier, while the content expression can have any data type. The content, if present, must not contain the character sequence ?>.

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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-20261023:97e26eaa6d24c3e6da9b6cf3bdb457849150746a770e7529be5b1d81aa6384fb

Text language: en · wiki-repair-20261023:97e26eaa6d24c3e6da9b6cf3bdb457849150746a770e7529be5b1d81aa6384fb