Package org.apache.druid.sql.calcite.schema

Interface NamedSchema

All Known Implementing Classes:
NamedDruidSchema, NamedLookupSchema, NamedSystemSchema, NamedViewSchema
public interface NamedSchema
This interface provides everything that is needed to register a Schema as a sub schema to the root schema of Druid SQL. The getSchemaName() will be used to access the provided Schema via SQL.

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.calcite.schema.Schema
    getSchema()
     
    String
    getSchemaName()
     
    default String
    getSchemaResourceType(String resourceName)
    For a given name of a table, function, etc of this schema, return the value most appropriate to use for Resource.getType() for the resource, used during authorization.

  • Method Details

    • getSchemaName

      String getSchemaName()
      Returns:
      The name that this schema should be registered to.

    • getSchemaResourceType

      @Nullable default String getSchemaResourceType(String resourceName)
      For a given name of a table, function, etc of this schema, return the value most appropriate to use for Resource.getType() for the resource, used during authorization. If this method returns null then the resource does not need any authorization.

    • getSchema

      org.apache.calcite.schema.Schema getSchema()
      Returns:
      The Schema that Calcite should use.