Package org.apache.iceberg.spark

Class SparkFunctionCatalog

java.lang.Object
org.apache.iceberg.spark.SparkFunctionCatalog
All Implemented Interfaces:
org.apache.spark.sql.connector.catalog.CatalogPlugin, org.apache.spark.sql.connector.catalog.FunctionCatalog
public class SparkFunctionCatalog extends Object
A function catalog that can be used to resolve Iceberg functions without a metastore connection.

  • Field Summary

    Fields inherited from interface org.apache.spark.sql.connector.catalog.FunctionCatalog

    PROP_COLLATION

  • Constructor Summary

    Constructors
    Constructor
    Description
    SparkFunctionCatalog()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static SparkFunctionCatalog
    get()
     
    void
    initialize(String catalogName, org.apache.spark.sql.util.CaseInsensitiveStringMap options)
     
    default boolean
    isExistingNamespace(String[] namespace)
     
    default boolean
    isFunctionNamespace(String[] namespace)
     
    default org.apache.spark.sql.connector.catalog.Identifier[]
    listFunctions(String[] namespace)
     
    default org.apache.spark.sql.connector.catalog.functions.UnboundFunction
    loadFunction(org.apache.spark.sql.connector.catalog.Identifier ident)
     
    String
    name()
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface org.apache.spark.sql.connector.catalog.CatalogPlugin

    defaultNamespace

    Methods inherited from interface org.apache.spark.sql.connector.catalog.FunctionCatalog

    functionExists

  • Constructor Details

    • SparkFunctionCatalog

      public SparkFunctionCatalog()

  • Method Details

    • get

      public static SparkFunctionCatalog get()

    • initialize

      public void initialize(String catalogName, org.apache.spark.sql.util.CaseInsensitiveStringMap options)
      Specified by:
      initialize in interface org.apache.spark.sql.connector.catalog.CatalogPlugin

    • name

      public String name()
      Specified by:
      name in interface org.apache.spark.sql.connector.catalog.CatalogPlugin

    • isFunctionNamespace

      default boolean isFunctionNamespace(String[] namespace)

    • isExistingNamespace

      default boolean isExistingNamespace(String[] namespace)

    • listFunctions

      default org.apache.spark.sql.connector.catalog.Identifier[] listFunctions(String[] namespace) throws org.apache.spark.sql.catalyst.analysis.NoSuchNamespaceException
      Specified by:
      listFunctions in interface org.apache.spark.sql.connector.catalog.FunctionCatalog
      Throws:
      org.apache.spark.sql.catalyst.analysis.NoSuchNamespaceException

    • loadFunction

      default org.apache.spark.sql.connector.catalog.functions.UnboundFunction loadFunction(org.apache.spark.sql.connector.catalog.Identifier ident) throws org.apache.spark.sql.catalyst.analysis.NoSuchFunctionException
      Specified by:
      loadFunction in interface org.apache.spark.sql.connector.catalog.FunctionCatalog
      Throws:
      org.apache.spark.sql.catalyst.analysis.NoSuchFunctionException