Class Metadata_V4.ColumnMetadata_v4
java.lang.Object
org.apache.drill.exec.store.parquet.metadata.MetadataBase.ColumnMetadata
org.apache.drill.exec.store.parquet.metadata.Metadata_V3.ColumnMetadata_v3
org.apache.drill.exec.store.parquet.metadata.Metadata_V4.ColumnMetadata_v4
- Enclosing class:
- Metadata_V4
A struct that contains the metadata for a column in a parquet file.
Note: Since the structure of column metadata hasn't changes from v3, ColumnMetadata_v4 extends ColumnMetadata_v3
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.drill.exec.store.parquet.metadata.Metadata_V3.ColumnMetadata_v3
Metadata_V3.ColumnMetadata_v3.Serializer
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Field Summary
Fields inherited from class org.apache.drill.exec.store.parquet.metadata.Metadata_V3.ColumnMetadata_v3
maxValue, minValue, name, nulls
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Constructor Summary
ConstructorDescriptionColumnMetadata_v4
(String[] name, org.apache.parquet.schema.PrimitiveType.PrimitiveTypeName primitiveType, Object minValue, Object maxValue, Long nulls) -
Method Summary
Methods inherited from class org.apache.drill.exec.store.parquet.metadata.Metadata_V3.ColumnMetadata_v3
getMaxValue, getMinValue, getName, getNulls, getOriginalType, getPrimitiveType, hasSingleValue, setMax, setMin
Methods inherited from class org.apache.drill.exec.store.parquet.metadata.MetadataBase.ColumnMetadata
isNumNullsSet
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Constructor Details
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ColumnMetadata_v4
public ColumnMetadata_v4() -
ColumnMetadata_v4
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