Json query format11/30/2022 Use UNNEST to flatten the field into a table where each row is an element of the array.To access the records inside, you have to: Result: Querying JSON array (REPEATED RECORD fields)Īs briefly mentioned above, REPEATED RECORD field is an array that hold multiple records in a single row. You can chain your dot notation to query deeper field values, for example. You can simply use the dot notations to access the child columns: #standardsql Querying single (non-repeated) RECORD field is like querying key-value JSON objects. In this case, the RECORD field will have REPEATED mode: `hits` is a REPEATED RECORD field Querying key-value JSON object (non-repeated RECORD field) Your RECORD column can have a simple nested structure (each row only holds a single record), or it can hold nested and repeated data (each row holds multiple records).
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