Revision [1452]
This is an old revision of MarkLogicQuery made by DavidLee on 2010-06-04 12:13:24.
Mark Logic Command: query
query runs an 'ad hoc' xquery on a on a Mark Logic server."Ad hoc" means the query from the local system, but the context (xml data) comes from the Mark Logic server.
Synopsis
query [options] [query] [varname value [varname value ...]]Description
Invokes a script (xquery file) residing on a Mark Logic server.Optionally passing in variable (parameters) to the script.
Options
| -c,connect uri | Use the connection string instead of $MLCONNECT |
| -t | Output result as text (instead of xml). |
| -v | Assign variables (parameters) from the remaining arguments |
| -q script | xquery to run passed as an argument |
| -f scriptfile | file containing the xquery. |
| -b,-bool | No output. Returns with the effective boolean value |
If neither -q or -f is specified then the first argument after any options is taken to be the query string.
if -b is specified then no output. Exits (return value) with 0 if the effective boolean value is true, otherwise 1
Examples
Assuming the prefix "ml" is imported as the marklogic module, invoke the local xquery file "test.xq" script on the server passing in a parameter "id" with the value "123"ml:query-v -f test.xq id 123
Run a simple query specified on the command line
ml:query -q "'Hello World'"
Test if a document exists
ml:query -b "exists(doc('/foo/bar'))" && echo document /foo/bar/ existsMarkLogic Extension Module
