Class MetadataParser

java.lang.Object
com.databricks.jdbc.api.impl.MetadataParser
public class MetadataParser extends Object
Utility class for parsing metadata descriptions into structured type mappings.

  • Constructor Details

    • MetadataParser

      public MetadataParser()

  • Method Details

    • parseStructMetadata

      public static Map<String,String> parseStructMetadata(String metadata)
      Parses STRUCT metadata to extract field types.
      Parameters:
      metadata - the metadata string representing a STRUCT type
      Returns:
      a map where each key is a field name, and the value is the field's data type

    • parseArrayMetadata

      public static String parseArrayMetadata(String metadata)
      Parses ARRAY metadata to retrieve the element type.
      Parameters:
      metadata - the metadata string representing an ARRAY type
      Returns:
      the element type contained within the array

    • parseMapMetadata

      public static String parseMapMetadata(String metadata)
      Parses MAP metadata to retrieve key and value types.
      Parameters:
      metadata - the metadata string representing a MAP type
      Returns:
      a string formatted as "keyType, valueType"
      Throws:
      DatabricksDriverException - if the MAP metadata format is invalid