Class MAP

constructor

• new MAP(keyType: AbstractDataType, valueType: AbstractDataType): MAP

  Create a MAP data type

  Parameters

  • keyType: AbstractDataType

    The data type of map keys

  • valueType: AbstractDataType

    The data type of map values

  Returns MAP

  Example

  // DuckDB: MAP(VARCHAR, INTEGER)
  scores: DataTypes.MAP(DataTypes.STRING, DataTypes.INTEGER)
  Copy

key

keyType

valueType

toSqlString

• toSqlString(dialect?: string): string

  Get the SQL string representation based on the dialect DuckDB: native MAP(keyType, valueType) syntax Other dialects: falls back to JSON or TEXT

  Parameters

  • Optionaldialect: string

  Returns string

getKeyType

• getKeyType(): AbstractDataType

  Get the map's key type

  Returns AbstractDataType

getValueType

• getValueType(): AbstractDataType

  Get the map's value type

  Returns AbstractDataType