public class MatchRecognizeNamespace extends AbstractNamespace
MATCH_RECOGNIZE
clause.Modifier and Type | Field and Description |
---|---|
private SqlMatchRecognize |
matchRecognize |
enclosingNode, rowType, type, validator
Modifier | Constructor and Description |
---|---|
protected |
MatchRecognizeNamespace(SqlValidatorImpl validator,
SqlMatchRecognize matchRecognize,
SqlNode enclosingNode)
Creates a MatchRecognizeNamespace.
|
Modifier and Type | Method and Description |
---|---|
SqlMatchRecognize |
getNode()
Returns the parse tree node at the root of this namespace.
|
RelDataType |
validateImpl(RelDataType targetRowType)
Validates this scope and returns the type of the records it returns.
|
convertToStruct, fieldExists, getEnclosingNode, getMonotonicExprs, getMonotonicity, getRowType, getRowTypeSansSystemColumns, getTable, getType, getValidator, isWrapperFor, lookupChild, makeNullable, resolve, setType, supportsModality, toStruct, translate, unwrap, validate
private final SqlMatchRecognize matchRecognize
protected MatchRecognizeNamespace(SqlValidatorImpl validator, SqlMatchRecognize matchRecognize, SqlNode enclosingNode)
public RelDataType validateImpl(RelDataType targetRowType)
AbstractNamespace
AbstractNamespace.validate(org.apache.calcite.rel.type.RelDataType)
, which uses the
AbstractNamespace.status
field to protect against cycles.validateImpl
in class AbstractNamespace
targetRowType
- Desired row type, must not be null, may be the data
type 'unknown'.public SqlMatchRecognize getNode()
SqlValidatorNamespace
TableNamespace
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