postgresqlHow can I get a value from a PostgreSQL XML column?
You can get a value from a PostgreSQL XML column using the xpath() function.
Example code
SELECT xpath('/foo/bar/text()', xml_column)
FROM some_table;
Output example
┌───────────────────────┐
│ xpath │
├───────────────────────┤
│ {SomeValue} │
└───────────────────────┘
The code above uses the xpath() function to get the value of the bar node inside the foo node of the xml_column column.
Code explanation
xpath()- a PostgreSQL function used to get a value from an XML column/foo/bar/text()- an XPath expression used to specify the target nodexml_column- the XML column from which the value is retrieved
Helpful links
More of Postgresql
- How can I use PostgreSQL and ZFS snapshots together?
- How can I troubleshoot zero damaged pages in PostgreSQL?
- How can I set a PostgreSQL interval to zero?
- How can I use PostgreSQL's "zero if null" feature?
- How can I monitor PostgreSQL performance using Zabbix?
- How do I use the PostgreSQL row_number function?
- How do I convert a string to lowercase in PostgreSQL?
- How do I create a PostgreSQL function?
- How can Zalando use PostgreSQL to improve its software development?
- How do I use a PostgreSQL XML parser in an example?
See more codes...