Package org.apache.iceberg.parquet

Class ParquetDictionaryRowGroupFilter

java.lang.Object
org.apache.iceberg.parquet.ParquetDictionaryRowGroupFilter
public class ParquetDictionaryRowGroupFilter extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    ParquetDictionaryRowGroupFilter(org.apache.iceberg.Schema schema, org.apache.iceberg.expressions.Expression unbound)
     
    ParquetDictionaryRowGroupFilter(org.apache.iceberg.Schema schema, org.apache.iceberg.expressions.Expression unbound, boolean caseSensitive)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    shouldRead(org.apache.parquet.schema.MessageType fileSchema, org.apache.parquet.hadoop.metadata.BlockMetaData rowGroup, org.apache.parquet.column.page.DictionaryPageReadStore dictionaries)
    Test whether the dictionaries for a row group may contain records that match the expression.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • ParquetDictionaryRowGroupFilter

      public ParquetDictionaryRowGroupFilter(org.apache.iceberg.Schema schema, org.apache.iceberg.expressions.Expression unbound)

    • ParquetDictionaryRowGroupFilter

      public ParquetDictionaryRowGroupFilter(org.apache.iceberg.Schema schema, org.apache.iceberg.expressions.Expression unbound, boolean caseSensitive)

  • Method Details

    • shouldRead

      public boolean shouldRead(org.apache.parquet.schema.MessageType fileSchema, org.apache.parquet.hadoop.metadata.BlockMetaData rowGroup, org.apache.parquet.column.page.DictionaryPageReadStore dictionaries)
      Test whether the dictionaries for a row group may contain records that match the expression.
      Parameters:
      fileSchema - schema for the Parquet file
      dictionaries - a dictionary page read store
      Returns:
      false if the file cannot contain rows that match the expression, true otherwise.