search:parse
search:parse( $qtext as xs:string+, [$options as element(search:options)?], [$output as xs:string?] ) as element()?
Summary
This function parses query text according
to given options and returns the appropriate
cts:query XML. If the query string to be parsed does not
conform to the query grammar, the behavior differs, depending on the
value of $output:
cts:querythrows a reportable error.search:querythrows away the terms after the location of the parse error and runs the query with the terms before the location of the parse error, typically broadening the query.
cts:query for parsing
text.
| Parameters | |
|---|---|
| qtext | The query text to parse. This may be a sequence, to accommodate more complex search UI. Multiple query texts will be ANDed together. |
| options | Options to define the search
grammar and control the search. See the description for
$options
for the function search:search.
|
| output |
The format of the parsed query, one of
schema-element(cts:query) (default),
cts:query, search:query, or
cts:annotated-query (deprecated). See the Usage Notes
for details.
|
Usage Notes
Use the$output parameter to specify one of the
following output formats. All the formats are suitable for use with
search:resolve, but "cts:query" is
most efficient if you do not need to transform or traverse the query.
Passing a cts:query object avoids an extra parsing step.
schema-element(cts:query): The XML serialization of a cts:query object. Use this form if you want a cts:query but need to transform or inspect the query tree, or if you need a serialized query. This is the default result type.cts:query: A cts:query object that can be passed to functions such ascts:search,cts:values,cts:value-tuples,xdmp:sql,sem:sparql,op:when, or their Server-Side JavaScript equivalents, without additional modification. This form is most efficient, but cannot be modified or traversed.search:query: The XML serialization of a structured query that you can use withsearch:resolve. You can also use structured queries with the Node.js, Java, or REST Client APIs, though the Java and Node.js APIs have query builder interfaces that usually make a raw query unnecessary.cts:annotated-query: Equivalent to the output produced byschema-element(cts:query), but with the addition of annotations. THIS FORM IS DEPRECATED and will be removed in a future release.
Example
xquery version "1.0-ml";
import module namespace search = "http://marklogic.com/appservices/search"
at "/MarkLogic/appservices/search/search.xqy";
search:parse("tag:technology AND format:pdf",
<options xmlns="http://marklogic.com/appservices/search">
<constraint name="tag">
<collection/>
</constraint>
<constraint name="format">
<value>
<element ns="http://purl.org/dc/elements/1.1/" name="tag"/>
</value>
</constraint>
</options>
)
==>
<cts:and-query xmlns:cts="http://marklogic.com/cts">
<cts:collection-query>
<cts:uri>technology</cts:uri>
</cts:collection-query>
<cts:element-value-query>
<cts:element xmlns:_1="http://purl.org/dc/elements/1.1/">_1:tag</cts:element>
<cts:text xml:lang="en">pdf</cts:text>
</cts:element-value-query>
</cts:and-query>
Example
xquery version "1.0-ml";
import module namespace search = "http://marklogic.com/appservices/search"
at "/MarkLogic/appservices/search/search.xqy";
search:parse("hello tag:technology AND format:pdf",
<options xmlns="http://marklogic.com/appservices/search">
<constraint name="tag">
<collection/>
</constraint>
<constraint name="format">
<value>
<element ns="http://purl.org/dc/elements/1.1/" name="tag"/>
</value>
</constraint>
</options>, "search:query")
=> the following structured query:
<search:query xmlns:search="http://marklogic.com/appservices/search">
<search:and-query>
<search:term-query>
<search:text>hello</search:text>
</search:term-query>
<search:and-query>
<search:collection-constraint-query>
<search:constraint-name>tag</search:constraint-name>
<search:uri>technology</search:uri>
</search:collection-constraint-query>
<search:value-constraint-query>
<search:constraint-name>format</search:constraint-name>
<search:text>pdf</search:text>
</search:value-constraint-query>
</search:and-query>
</search:and-query>
</search:query>
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