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Gremlin Types

The Gremlin destination (v2.0.0 and later) supports most Apache Arrow (opens in a new tab) types. The following table shows the supported types and how they are mapped to Gremlin data types.

Arrow Column TypeSupported?Gremlin Type
Binary✅ YesBytes
Boolean✅ YesBoolean
Date32✅ YesString
Date64✅ YesString
Decimal✅ YesString
Dense Union✅ YesString
Dictionary✅ YesString
Duration[ms]✅ YesString
Duration[ns]✅ YesString
Duration[s]✅ YesString
Duration[us]✅ YesString
Fixed Size List✅ YesString
Float16✅ YesString
Float32✅ YesFloat
Float64✅ YesFloat
Inet✅ YesString
Int8✅ YesInteger
Int16✅ YesInteger
Int32✅ YesInteger
Int64✅ YesInteger
Interval[DayTime]✅ YesString
Interval[MonthDayNano]✅ YesString
Interval[Month]✅ YesString
JSON✅ YesString
Large Binary✅ YesBytes
Large List✅ YesString
Large String✅ YesString
List✅ YesString or List
MAC✅ YesString
Map✅ YesString
String✅ YesString
Struct✅ YesString
Timestamp[ms]✅ YesString *
Timestamp[ns]✅ YesString
Timestamp[s]✅ YesString
Timestamp[us]✅ YesString
UUID✅ YesString
Uint8✅ YesString
Uint16✅ YesInteger
Uint32✅ YesInteger
Uint64✅ YesInteger
Union✅ YesString

Notes

* Timestamps are converted to strings in the format yyyy-MM-dd HH:mm:ss.SSSSSSSSS (UTC timezone) (e.g. 2021-01-01 00:00:00.000000000). _cq_sync_time column is persisted in native Timestamp type.

† List types are persisted as-is only if complete_types option is enabled. Otherwise, they are converted to strings.

NUL bytes are stripped from strings.