Package org.apache.calcite.rel.mutable
Class MutableSample
- java.lang.Object
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- org.apache.calcite.rel.mutable.MutableRel
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- org.apache.calcite.rel.mutable.MutableSingleRel
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- org.apache.calcite.rel.mutable.MutableSample
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public class MutableSample extends MutableSingleRel
Mutable equivalent ofSample
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Field Summary
Fields Modifier and Type Field Description RelOptSamplingParameters
params
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Fields inherited from class org.apache.calcite.rel.mutable.MutableSingleRel
input
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Fields inherited from class org.apache.calcite.rel.mutable.MutableRel
cluster, ordinalInParent, PAIRWISE_STRING_EQUIVALENCE, parent, rowType, STRING_EQUIVALENCE, type
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Constructor Summary
Constructors Modifier Constructor Description private
MutableSample(MutableRel input, RelOptSamplingParameters params)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description MutableRel
clone()
java.lang.StringBuilder
digest(java.lang.StringBuilder buf)
boolean
equals(java.lang.Object obj)
int
hashCode()
static MutableSample
of(MutableRel input, RelOptSamplingParameters params)
Creates a MutableSample.-
Methods inherited from class org.apache.calcite.rel.mutable.MutableSingleRel
childrenAccept, getInput, getInputs, setInput
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Methods inherited from class org.apache.calcite.rel.mutable.MutableRel
deep, getParent, replaceInParent, toString
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Field Detail
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params
public final RelOptSamplingParameters params
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Constructor Detail
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MutableSample
private MutableSample(MutableRel input, RelOptSamplingParameters params)
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Method Detail
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of
public static MutableSample of(MutableRel input, RelOptSamplingParameters params)
Creates a MutableSample.- Parameters:
input
- Input relational expressionparams
- parameters necessary to produce a sample of a relation
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equals
public boolean equals(java.lang.Object obj)
- Overrides:
equals
in classjava.lang.Object
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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digest
public java.lang.StringBuilder digest(java.lang.StringBuilder buf)
- Specified by:
digest
in classMutableRel
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clone
public MutableRel clone()
- Specified by:
clone
in classMutableRel
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