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版本:2.3.0-beta

Apache Iceberg

Apache Iceberg source connector

Description

Source connector for Apache Iceberg. It can support batch and stream mode.

Key features

Options

nametyperequireddefault value
catalog_namestringyes-
catalog_typestringyes-
uristringno-
warehousestringyes-
namespacestringyes-
tablestringyes-
case_sensitivebooleannofalse
fieldsconfigno-
start_snapshot_timestamplongno-
start_snapshot_idlongno-
end_snapshot_idlongno-
use_snapshot_idlongno-
use_snapshot_timestamplongno-
stream_scan_strategyenumnoFROM_LATEST_SNAPSHOT
common-optionsno-

catalog_name [string]

User-specified catalog name.

catalog_type [string]

The optional values are:

  • hive: The hive metastore catalog.
  • hadoop: The hadoop catalog.

uri [string]

The Hive metastore’s thrift URI.

warehouse [string]

The location to store metadata files and data files.

namespace [string]

The iceberg database name in the backend catalog.

table [string]

The iceberg table name in the backend catalog.

case_sensitive [boolean]

If data columns where selected via fields(Collection), controls whether the match to the schema will be done with case sensitivity.

fields [config]

Use projection to select data columns and columns order.

start_snapshot_id [long]

Instructs this scan to look for changes starting from a particular snapshot (exclusive).

start_snapshot_timestamp [long]

Instructs this scan to look for changes starting from the most recent snapshot for the table as of the timestamp. timestamp – the timestamp in millis since the Unix epoch

end_snapshot_id [long]

Instructs this scan to look for changes up to a particular snapshot (inclusive).

use_snapshot_id [long]

Instructs this scan to look for use the given snapshot ID.

use_snapshot_timestamp [long]

Instructs this scan to look for use the most recent snapshot as of the given time in milliseconds. timestamp – the timestamp in millis since the Unix epoch

stream_scan_strategy [enum]

Starting strategy for stream mode execution, Default to use FROM_LATEST_SNAPSHOT if don’t specify any value. The optional values are:

  • TABLE_SCAN_THEN_INCREMENTAL: Do a regular table scan then switch to the incremental mode.
  • FROM_LATEST_SNAPSHOT: Start incremental mode from the latest snapshot inclusive.
  • FROM_EARLIEST_SNAPSHOT: Start incremental mode from the earliest snapshot inclusive.
  • FROM_SNAPSHOT_ID: Start incremental mode from a snapshot with a specific id inclusive.
  • FROM_SNAPSHOT_TIMESTAMP: Start incremental mode from a snapshot with a specific timestamp inclusive.

common options

Source plugin common parameters, please refer to Source Common Options for details.

Example

simple

source {
Iceberg {
catalog_name = "seatunnel"
catalog_type = "hadoop"
warehouse = "hdfs://your_cluster//tmp/seatunnel/iceberg/"
namespace = "your_iceberg_database"
table = "your_iceberg_table"
}
}

Or

source {
Iceberg {
catalog_name = "seatunnel"
catalog_type = "hive"
uri = "thrift://localhost:9083"
warehouse = "hdfs://your_cluster//tmp/seatunnel/iceberg/"
namespace = "your_iceberg_database"
table = "your_iceberg_table"
}
}

schema projection

source {
Iceberg {
catalog_name = "seatunnel"
catalog_type = "hadoop"
warehouse = "hdfs://your_cluster/tmp/seatunnel/iceberg/"
namespace = "your_iceberg_database"
table = "your_iceberg_table"

fields {
f2 = "boolean"
f1 = "bigint"
f3 = "int"
f4 = "bigint"
}
}
}

Changelog

2.2.0-beta 2022-09-26

  • Add Iceberg Source Connector