Mapr BI Success Story

SYMPTOM:
XQuery script returns only 1 row while REST-JSON data source contains multiple rows in Strategy XQuery Editor and Generator (XEG) 10.x
STEPS TO REPRODUCE:

• The JSON data of the REST-JSON web service contains 3 rows as shown below:
  

  
  { "firstName":"John" , "lastName":"Doe" },
  { "firstName":"Anna" , "lastName":"Smith" },
  { "firstName":"Peter" , "lastName":"Jones" }

  
  
• In Strategy XEG, connect to this REST-JSON web service and generate the following XQuery script:

• Execute the XQuery script, but only one row is returned as shown below:
  

CAUSE:
The JSON data returned from the REST-JSON web service doesn't match the JSON standard. There is no top level variable name for the sequence.
ACTION:
Contact Web services administrator to change the JSON response. The correct JSON data should be similar as below:

{
"employees": [
{ "firstName":"John" , "lastName":"Doe" },
{ "firstName":"Anna" , "lastName":"Smith" },
{ "firstName":"Peter" , "lastName":"Jones" }
]
}
​

  KB438985