cts:path-reference(
$path-expression as xs:string,
[$options as xs:string*],
[$map as map:map]
) as cts:reference
Summary
Creates a reference to a path value lexicon, for use as a
parameter to cts:value-tuples. Since lexicons are implemented with range
indexes, this function will throw an exception if the specified range index
does not exist.
Parameters
path-expression
A path range index expression.
options
Options. The default is ().
Options include:
"type=type"
Use the lexicon with the type specified by type
(int, unsignedInt, long, unsignedLong, float, double, decimal,
dateTime, time, date, gYearMonth, gYear, gMonth, gDay,
yearMonthDuration, dayTimeDuration, string, anyURI, point, or
long-lat-point)
"collation=URI"
Use the lexicon with the collation specified by URI.
"nullable"
Allow null values in tuples reported from cts:value-tuples when
using this lexicon.
"unchecked"
Read the scalar type, collation and coordinate-system info
only from the input. Do not check the definition against the
context database.
"coordinate-system=name"
Create a reference to an index or lexicon based on the specified
coordinate system. Allowed values: "wgs84", "wgs84/double", "raw",
"raw/double". Only applicable if the index/lexicon value type is
point or long-lat-point.
"precision=value"
Create a reference to an index or lexicon configured with the
specified geospatial precision. Allowed values: float
and double. Only applicable if the index/lexicon value
type is point or long-lat-point. This
value takes precedence over the precision implicit in the coordinate
system name.
map
A map of namespace bindings. The keys should be namespace prefixes and the
values should be namespace URIs. These namespace bindings will be added to
the in-scope namespace bindings in the interpretation of the path.
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