The following table lists the data types supported by the driver and the JDBC data types they are mapped to.

Table 1. Google BigQuery Data Types
Google BigQuery Data Type JDBC Data Type
ARRAY VARCHAR
BIGNUMERIC DECIMAL
BOOL BOOLEAN
BYTES VARBINARY
DATE DATE
DATETIME TIMESTAMP
FLOAT64 DOUBLE
GEOGRAPHY VARCHAR
INTERVAL VARCHAR
INT64 BIGINT
JSON LONGVARCHAR
NUMERIC DECIMAL
RECORD VARCHAR
STRING VARCHAR
TIME TIME
TIMESTAMP TIMESTAMP