From: | Jim Jones <jim(dot)jones(at)uni-muenster(dot)de> |
---|---|
To: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
Cc: | Vik Fearing <vik(at)postgresfriends(dot)org> |
Subject: | Re: [PoC] XMLCast (SQL/XML X025) |
Date: | 2024-08-15 21:02:23 |
Message-ID: | 66bf6e05-61d6-4fec-859c-fcfd726bbed6@uni-muenster.de |
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Lists: | pgsql-hackers |
On 05.07.24 16:18, Jim Jones wrote:
> On 02.07.24 18:02, Jim Jones wrote:
>> It basically does the following:
>>
>> * When casting an XML value to a SQL data type, XML values containing
>> XSD literals will be converted to their equivalent SQL data type.
>> * When casting from a SQL data type to XML, the cast operand will be
>> translated to its corresponding XSD data type.
>>
> v2 attached adds missing return for NO_XML_SUPPORT control path in
> unescape_xml
>
v3 adds the missing XML passing mechanism BY VALUE and BY REF, as
described in the XMLCast specification:
XMLCAST (<XML cast operand> AS <XML cast target> [ <XML passing
mechanism> ])
Tests and documentation were updated accordingly.
--
Jim
Attachment | Content-Type | Size |
---|---|---|
v3-0001-Add-XMLCast-function-SQL-XML-X025.patch | text/x-patch | 92.5 KB |
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