supported-data-types-in-carbondata.md

Data Types

CarbonData supports the following data types:

• Numeric Types

  • SMALLINT
  • INT/INTEGER
  • BIGINT
  • DOUBLE
  • DECIMAL
  • FLOAT
  • BYTE

  NOTE: Float and Bytes are only supported for SDK and FileFormat.

• Date/Time Types

  • TIMESTAMP
  • DATE

• String Types

  • STRING

  NOTE: For string longer than 32000 characters, use LONG_STRING_COLUMNS in table property. Please refer to TBLProperties in CreateTable for more information.

• Complex Types

  • arrays: ARRAY<data_type>
  • structs: STRUCT<col_name : data_type COMMENT col_comment, ...>
  • maps: MAP<primitive_type, data_type>

  NOTE: Only 2 level complex type schema is supported for now.

• Other Types

  • BOOLEAN
  • BINARY