Package org.apache.spark.sql.sources
Class IsNotNull
Object
org.apache.spark.sql.sources.Filter
org.apache.spark.sql.sources.IsNotNull
- All Implemented Interfaces:
Serializable
,scala.Equals
,scala.Product
A filter that evaluates to
true
iff the attribute evaluates to a non-null value.
param: attribute of the column to be evaluated; dots
are used as separators
for nested columns. If any part of the names contains dots
,
it is quoted to avoid confusion.
- Since:
- 1.3.0
- See Also:
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Constructor Summary
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Method Summary
Methods inherited from class org.apache.spark.sql.sources.Filter
v2references
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface scala.Equals
canEqual, equals
Methods inherited from interface scala.Product
productArity, productElement, productElementName, productElementNames, productIterator, productPrefix
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Constructor Details
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IsNotNull
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Method Details
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apply
public abstract static R apply(T1 v1) -
toString
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attribute
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references
Description copied from class: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.- Specified by:
references
in classFilter
- Returns:
- (undocumented)
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toV2
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