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Name

serialize — Serializes a value of its argument following the rules of the host RDBMS.

Synopsis

string serialize ( obj any );

Description

The serialize() function converts an object to a string as follows:

  • An empty sequence is converted to an empty string.

  • A nonempty node-set is converted to a string by serialization of its first node.

  • A non-attribute XML entity is serialized as if it is serialized by http() function. In other words, the result is a plain text of XML syntax. For an attribute XML entity, the value of attribute is returned.

  • Values of other types are converted into strings as cast(... as varchar) do this in Virtuoso/PL, exactly.

If the argument is omitted, context node is converted instead as if it is a node-set of one element.

Parameters

obj

Value to be converted into the string

Return Types

String

Errors

Examples

Example24.617. 

string(//title)

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