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Home/Main Concepts/Metadata Standard/Schemas/Entity/Services/Connections/Database/Impalaconnection
OpenMetadata Documentation

ImpalaConnection

Impala SQL Connection Config

Properties

  • type: Service Type. Refer to #/definitions/impalaType. Default: Impala.
  • scheme: SQLAlchemy driver scheme options. Refer to #/definitions/impalaScheme. Default: impala.
  • username (string): Username to connect to Impala. This user should have privileges to read all the metadata in Impala.
  • password (string): Password to connect to Impala.
  • hostPort (string): Host and port of the Impala service.
  • authMechanism (string): Authentication mode to connect to Impala. Must be one of: ['NOSASL', 'PLAIN', 'GSSAPI', 'LDAP', 'JWT']. Default: PLAIN.
  • kerberosServiceName (string): If authenticating with Kerberos specify the Kerberos service name.
  • databaseSchema (string): Database Schema of the data source. This is optional parameter, if you would like to restrict the metadata reading to a single schema. When left blank, OpenMetadata Ingestion attempts to scan all the schemas.
  • databaseName (string): Optional name to give to the database in OpenMetadata. If left blank, we will use default as the database name.
  • useSSL (boolean): Establish secure connection with Impala.
  • authOptions (string): Authentication options to pass to Impala connector. These options are based on SQLAlchemy.
  • connectionOptions: Refer to ../connectionBasicType.json#/definitions/connectionOptions.
  • connectionArguments: Refer to ../connectionBasicType.json#/definitions/connectionArguments.
  • schemaFilterPattern: Regex to only include/exclude schemas that matches the pattern. Refer to ../../../../type/filterPattern.json#/definitions/filterPattern.
  • tableFilterPattern: Regex to only include/exclude tables that matches the pattern. Refer to ../../../../type/filterPattern.json#/definitions/filterPattern.
  • databaseFilterPattern: Regex to only include/exclude databases that matches the pattern. Refer to ../../../../type/filterPattern.json#/definitions/filterPattern.
  • supportsMetadataExtraction: Refer to ../connectionBasicType.json#/definitions/supportsMetadataExtraction.
  • supportsDBTExtraction: Refer to ../connectionBasicType.json#/definitions/supportsDBTExtraction.
  • supportsProfiler: Refer to ../connectionBasicType.json#/definitions/supportsProfiler.
  • sampleDataStorageConfig: Refer to ../connectionBasicType.json#/definitions/sampleDataStorageConfig.
  • supportsViewLineageExtraction: Refer to ../connectionBasicType.json#/definitions/supportsViewLineageExtraction.

Definitions

  • impalaType (string): Service type. Must be one of: ['Impala']. Default: Impala.
  • impalaScheme (string): SQLAlchemy driver scheme options. Must be one of: ['impala', 'impala4']. Default: impala.

Documentation file automatically generated at 2025-08-12 05:39:47.683420+00:00.