Iceberg data types - RisingWave

This guide shows how data types are mapped between RisingWave and Apache Iceberg. This mapping applies when you are reading data from an Iceberg source or writing data to an Iceberg sink.

RisingWave Type	Iceberg Type	Notes
`BOOLEAN`	`boolean`
`SMALLINT`	`int`
`INT`	`int`
`BIGINT`	`long`
`REAL`	`float`
`DOUBLE PRECISION`	`double`
`VARCHAR`	`string`
`BYTEA`	`binary`
`DECIMAL(p,s)`	`decimal(p,s)`
`TIME`	`time`
`DATE`	`date`
`TIMESTAMP`	`timestamp`
`TIMESTAMPTZ`	`timestamptz`
`INTERVAL`	`string`	Serialized as string
`JSONB`	`string`	Serialized as JSON string
`ARRAY`	`list`
`STRUCT`	`struct`
`MAP`	`map`

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