abstract class PartitionPredicate extends Predicate
Represents a partition predicate that can be evaluated using Table#partitioning().
Connectors are expected to leverage partition predicates for pruning whenever they have
partition metadata to evaluate them. Use #eval(InternalRow) to evaluate this
predicate against a single partition's keys.
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- @Evolving()
- Source
- PartitionPredicate.java
- Since
4.2.0
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- PartitionPredicate
- Predicate
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Abstract Value Members
- abstract def eval(partitionKey: InternalRow): Boolean
Evaluates this predicate against a single partition's keys.
Evaluates this predicate against a single partition's keys.
The caller must pass the full partition key: one value per partition transform in
Table#partitioning(), in order. A key for only a subset of referenced fields is not supported.- partitionKey
the full partition key for one partition, ordered according to
Table#partitioning().- returns
true if the partition represented by these keys satisfies this predicate.
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- final def !=(arg0: Any): Boolean
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Returns an array of the children of this node.
Returns an array of the children of this node. Children should not change.
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Format the expression as a human readable SQL-like string.
Format the expression as a human readable SQL-like string.
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- def references(): Array[NamedReference]
List of fields or columns that are referenced by this expression.
List of fields or columns that are referenced by this expression.
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- Deprecated
(Since version 9)