ODATA READ()
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Revision as of 11:14, 13 February 2017 by Yvonne.milne (Talk | contribs)
Contents
Purpose
OData-compatible function to return data
Syntax
ODATA_READ(<cURI> [,<cFilename>])
See Also
APPEND BLANK, APPEND FROM, APPEND FROM ARRAY, DELETE (NoSQL), DELETE (SQL), INSERT, JSON_DECODE(), JSON_DECODE_FILE(), JSON_ENCODE(), OData Operators, OData URIs, ODATA_CREATE(), ODATA_DELETE(), ODATA_UPDATE(), PRINT_JSON(), SELECT, UPDATE
Description
The ODATA_READ() function is used to return data. The data is returned as JSON.
Parameter | Required | Description |
---|---|---|
<cURI> | Yes | The OData URI - see OData URIs for full details. |
<cFilename> | No | Name of file to which data will be saved. |
Example
// Use URI arguments to select the required records // Here 5 customers records are returned starting from record 10 odata_read("/southwind/customers?$skip=10&$top=5") // Call a stored procedure 'sp_fetchcustomer' in the southwind database odata_read("odata?$eval=southwind!sp_fetchcustomer('ALFKI')") // or odata_read('odata?$eval=sp_fetchcustomer("ALFKI")&$database=southwind') // Call a function 'fetchCustomer' in the 'mylibrary.prg' function library // mylibrary.prg should be in the current App or in the library odata_read('odata?$eval=mylibrary::fetchcustomer("ALFKI")') // OData-compatible functions odata_read("/southwind/shippers") odata_read("/southwind/shippers","readresults.txt") ? filetostr("readresults.txt") cCreateString = '{"shipperid":4,"companyname":"Acme Inc.","phone":"(503) 555-1234"}' odata_create("/southwind/shippers",cCreateString) odata_read("/southwind/shippers") cUpdateString = '{"phone":"(503) 555-5678", "__olddata":{"shipperid":4}}' odata_update("/southwind/shippers",cUpdateString) odata_read("/southwind/shippers") cDeleteString = '{"shipperid":4}' odata_delete("/southwind/shippers",cDeleteString) odata_read("/southwind/shippers")