Example: JSONExtractValue with Filtered Results

Teradata Vantage™ JSON Data Type

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
Programming Reference
featnum
B035-1150-162K

This example shows how to use the JSONExtractValue method to filter results. This query gets the name of all persons older than 23.

JSONExtractLargeValue can be substituted for JSONExtractValue.
SELECT eno, edata.JSONExtractValue('$.[?(@.age > 23)].firstName') 
FROM my_table 
ORDER BY 1;
Result:
ENO edata.JSONExtractValue(…)
-----------------------------
1   Cameron	
2   ?          
3   Alex
4   David