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MetaDataQuery.SetQueryString
Sets the predicate to search.
| Component | Version | macOS | Windows | Linux | Server | FileMaker iOS SDK |
| MetaDataQuery | 8.0 | Yes | No | No | Yes, macOS only | Yes |
Parameters
| Parameter | Description | Example |
|---|---|---|
| Query | The reference number of the query. | $query |
| QueryString | The query string. | "kMDItemContentType=\"com.apple.application-bundle\"" |
Result
Returns OK or error.
Description
Sets the predicate to search.The plugin will build the predicate with the given query string.
Setting this property while a query is running stops the query and discards the current results. The receiver immediately starts a new query.
See list of metadata keys here:
https://developer.apple.com/documentation/coreservices/file_metadata/mditem/common_metadata_attribute_keys
Expression syntax:
https://developer.apple.com/library/archive/documentation/Carbon/Conceptual/SpotlightQuery/Concepts/QueryFormat.html#//apple_ref/doc/uid/TP40001849-CJBEJBHH
Examples
Search for applications
MBS( "MetaDataQuery.SetQueryString"; $Query; "kMDItemContentType=\"com.apple.application-bundle\"")
Start a query:
Set Variable [ $query ; Value: MBS( "MetaDataQuery.Create" ) ]
Set Variable [ $r ; Value: MBS( "MetaDataQuery.SetQueryString"; $Query; "kMDItemContentType=\"com.apple.application-bundle\"") ]
Set Variable [ $r ; Value: MBS( "MetaDataQuery.StartQuery"; $Query) ]
See also
Example Databases
Blog Entries
Created 16th December 2017, last changed 17th July 2020
MetaDataQuery.SetEvaluate - MetaDataQuery.SetScript
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