sealed abstract class Filter extends AnyRef
A filter predicate for data sources. Mapping between Spark SQL types and filter value types follow the convention for return type of org.apache.spark.sql.Row#get(int).
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def
references: Array[String]
List of columns that are referenced by this filter.
List of columns that are referenced by this filter.
Note that, each element in
references
represents a column. The column name follows ANSI SQL names and identifiers: dots are used as separators for nested columns, name will be quoted if it contains special chars.- Since
2.1.0
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def
toString(): String
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def
v2references: Array[Array[String]]
List of columns that are referenced by this filter.
List of columns that are referenced by this filter.
- returns
each element is a column name as an array of string multi-identifier
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3.0.0
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