How to determine if a json field exists within an array in presto?
If I have a field jsonCol which has list of json objects, for example: [{'name': 'fieldA', 'enum': 'someValA'}, {'name': 'fieldB', 'enum': 'someValB'}, {'name': 'fieldC', 'enum': 'someValC'}] Another row may look like: [{'name': 'fieldA', 'enum': 'someValA'}, {'name': 'fieldC', 'enum': 'someValC'}] How…