THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
Status
Current state: ["Under Discussion"]
Discussion thread: here (<- link to https://mail-archives.apache.org/mod_mbox/flink-dev/)
JIRA: here (<- link to https://issues.apache.org/jira/browse/FLINK-XXXX)
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Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
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Flink-ClickHouse Metaspace Mapping
Flink Catalog Metaspace Structure | ClickHouse Metaspace Structure |
catalog name (defined in Flink only) | n/a |
database name | database name |
table name | table name |
Flink-ClickHouse Data Type Mapping
Flink Type | ClickHouse Type |
---|---|
CHAR | String |
VARCHAR | String / UUID / IP |
STRING | String / Enum |
BOOLEAN | UInt8 |
BYTES | FixedString |
TINYINT | Int8 |
SMALLINT | Int16 / UInt8 |
INTEGER | Int32 / UInt16 / Interval |
BIGINT | Int64 / UInt32 |
FLOAT | Float32 |
DOUBLE | Float64 |
DECIMAL | Decimal / Int128 / Int256 / UInt64 / UInt128 / UInt256 |
DATE | Date |
TIME | DateTime |
TIMESTAMP | DateTime |
TIMESTAMP_LTZ | DateTime |
INTERVAL_YEAR_MONTH | Int32 |
INTERVAL_DAY_TIME | Int64 |
ARRAY | Array |
MAP | Map |
ROW | |
MULTISET | |
RAW |
Compatibility, Deprecation, and Migration Plan
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