diff options
| -rw-r--r-- | doc/src/sgml/func.sgml | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index adab3030c41..f06d0a92c03 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -10525,7 +10525,7 @@ SELECT xpath_exists('/my:a/text()', '<my:a xmlns:my="http://example.com">test</m </indexterm> <synopsis> -<function>xmltable</function>( <optional>XMLNAMESPACES(<replaceable>namespace uri</replaceable> AS <replaceable>namespace name</replaceable><optional>, ...</optional>)</optional> +<function>xmltable</function>( <optional>XMLNAMESPACES(<replaceable>namespace uri</replaceable> AS <replaceable>namespace name</replaceable><optional>, ...</optional>), </optional> <replaceable>row_expression</replaceable> PASSING <optional>BY REF</optional> <replaceable>document_expression</replaceable> <optional>BY REF</optional> COLUMNS <replaceable>name</replaceable> { <replaceable>type</replaceable> <optional>PATH <replaceable>column_expression</replaceable></optional> <optional>DEFAULT <replaceable>default_expression</replaceable></optional> <optional>NOT NULL | NULL</optional> | FOR ORDINALITY } @@ -10710,6 +10710,36 @@ SELECT xmltable.* Hello2a2 bbbCC ]]></screen> </para> + + <para> + The following example illustrates how + the <literal>XMLNAMESPACES</literal> clause can be used to specify + the default namespace, and a list of additional namespaces + used in the XML document as well as in the XPath expressions: + + <screen><![CDATA[ +WITH xmldata(data) AS (VALUES (' +<example xmlns="http://example.com/myns" xmlns:B="http://example.com/b"> + <item foo="1" B:bar="2"/> + <item foo="3" B:bar="4"/> + <item foo="4" B:bar="5"/> +</example>'::xml) +) +SELECT xmltable.* + FROM XMLTABLE(XMLNAMESPACES('http://example.com/myns' AS x, + 'http://example.com/b' AS "B"), + '/x:example/x:item' + PASSING (SELECT data FROM xmldata) + COLUMNS foo int PATH '@foo', + bar int PATH '@B:bar'); + foo | bar +-----+----- + 1 | 2 + 3 | 4 + 4 | 5 +(3 rows) +]]></screen> + </para> </sect3> </sect2> |