BenSatori opened a new pull request, #2507:
URL: https://github.com/apache/datafusion-sqlparser-rs/pull/2507
Adds support for PostgreSQL XML function syntaxes:
- `XMLELEMENT(NAME name [, XMLATTRIBUTES(...) ] [, content [, ...]])`
- `XMLPI(NAME name [, content ])`
- `XMLROOT(xml, VERSION {text | NO VALUE} [, STANDALONE {YES | NO | NO
VALUE} ])`
- `XMLSERIALIZE({ DOCUMENT | CONTENT } value AS type [ [ NO ] INDENT ])`
- `XMLEXISTS(text PASSING [BY {REF|VALUE}] xml [BY {REF|VALUE}])`
### Example
```sql
SELECT XMLELEMENT(NAME foo, 'bar'), * FROM customers;
SELECT XMLELEMENT(NAME foo, XMLATTRIBUTES('v' AS attr), 'bar');
SELECT XMLROOT('<a/>'::xml, VERSION '1.0');
SELECT XMLSERIALIZE(DOCUMENT '<a/>'::xml AS TEXT);
SELECT XMLEXISTS('/a' PASSING BY REF '<a/>');
```
Docs:
- https://www.postgresql.org/docs/current/functions-xml.html
- https://www.postgresql.org/docs/current/datatype-xml.html
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