Cloudera Docs

Data Types

The logical type of a value to declare input and output types of operations in a table ecosystem is described by data types. Flink support a set of pre-defined data types that can be also used in SQL Stream Builder (SSB).

The following list summarizes the pre-defined data types in Flink and SQL Stream Builder:
  • CHAR
  • VARCHAR
  • STRING
  • BOOLEAN
  • BINARY
  • VARBINARY
  • BYTES
  • DECIMAL - Supports fixed precision and scale.
  • TINYINT
  • SMALLINT
  • INTEGER
  • BIGINT
  • FLOAT
  • DOUBLE
  • DATE
  • TIME - Only supports a precision of 0.
  • TIMESTAMP
  • TIMPESTAMP_LTZ
  • INTERVAL - Only supports interval of MONTH and SECOND(3).
  • ARRAY
  • MULTISET
  • MAP
  • ROW
  • RAW
  • Structured types - Only exposed in user-defined functions.
For more information about Data Types in Flink SQL, see the Apache Flink documentation.