compile_query {RGMQL} | R Documentation

## Compile GMQL query

### Description

It compiles a GMQL query taken from file or inserted as text string, using the proper GMQL web service available on a remote server

### Usage

    compile_query(url, query)

    compile_query_fromfile(url, filePath)

### Arguments

`url` | string url of server: It must contain the server address and base url; service name is added automatically
`query` | string text of a GMQL query
`filePath` | string path of txt file containing a GMQL query

### Value

None

### Examples

    ## Login to GMQL REST services suite as guest

    remote_url = "http://www.gmql.eu/gmql-rest/"
    login_gmql(remote_url)

    ## This statement gets the query as text string and runs the compile
    ## web service

    compile_query(remote_url, "DATASET = SELECT() Example_Dataset_1;
        MATERIALIZE DATASET INTO RESULT_DS;")

    ## This statement defines the path to the file "query1.txt" in the
    ## subdirectory "example" of the package "RGMQL" and run the compile
    ## web service

    test_path <- system.file("example", package = "RGMQL")
    test_query <- file.path(test_path, "query1.txt")
    compile_query_fromfile(remote_url, test_query)

    ## Logout from GMQL REST services suite

    logout_gmql(remote_url)

[Package RGMQL version 1.4.1 Index]