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XMLCONCAT

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The XMLCONCAT() function is used to concatenate two XML fragments of arbitrary type

SELECT xmlconcat(
  xmlelement(NAME e1),
  xmlelement(NAME e2)
)
create.select(xmlconcat(
         xmlelement("e1"),
         xmlelement("e2")))
      .fetch();

The result would look like this:

+------------+
| xmlconcat  |
+------------+
| <e1/><e2/> |
+------------+

Dialect support

This example using jOOQ:

xmlconcat(xmlelement("e1"), xmlelement("e2"))

Translates to the following dialect specific expressions:

DB2, Oracle, Postgres, Teradata

xmlconcat(
  xmlelement(NAME e1),
  xmlelement(NAME e2)
)

SQLServer

(
  SELECT
    (
      SELECT
        1 tag,
        NULL parent,
        NULL [e1!1]
      FOR XML EXPLICIT, TYPE
    ),
    (
      SELECT
        1 tag,
        NULL parent,
        NULL [e2!1]
      FOR XML EXPLICIT, TYPE
    )
  FOR XML PATH (''), TYPE
)

ASE, Access, Aurora MySQL, Aurora Postgres, BigQuery, CockroachDB, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, Redshift, SQLDataWarehouse, SQLite, Snowflake, Sybase, Trino, Vertica, YugabyteDB

/* UNSUPPORTED */

(These are currently generated with jOOQ 3.20, see #10141), or translate your own on our website

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