Package org.apache.calcite.sql.validate
Class ProcedureNamespace
- java.lang.Object
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- org.apache.calcite.sql.validate.AbstractNamespace
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- org.apache.calcite.sql.validate.ProcedureNamespace
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- All Implemented Interfaces:
SqlValidatorNamespace
public class ProcedureNamespace extends AbstractNamespace
Namespace whose contents are defined by the result of a call to a user-defined procedure.
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Field Summary
Fields Modifier and Type Field Description private SqlCall
call
private SqlValidatorScope
scope
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Fields inherited from class org.apache.calcite.sql.validate.AbstractNamespace
enclosingNode, rowType, type, validator
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Constructor Summary
Constructors Constructor Description ProcedureNamespace(SqlValidatorImpl validator, SqlValidatorScope scope, SqlCall call, SqlNode enclosingNode)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description SqlNode
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.-
Methods inherited from class org.apache.calcite.sql.validate.AbstractNamespace
convertToStruct, fieldExists, getEnclosingNode, getMonotonicExprs, getMonotonicity, getRowType, getRowTypeSansSystemColumns, getTable, getType, getValidator, isWrapperFor, lookupChild, makeNullable, resolve, setType, supportsModality, toStruct, translate, unwrap, validate
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Field Detail
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scope
private final SqlValidatorScope scope
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call
private final SqlCall call
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Constructor Detail
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ProcedureNamespace
ProcedureNamespace(SqlValidatorImpl validator, SqlValidatorScope scope, SqlCall call, SqlNode enclosingNode)
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Method Detail
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validateImpl
public RelDataType validateImpl(RelDataType targetRowType)
Description copied from class:AbstractNamespace
Validates this scope and returns the type of the records it returns. External users should callAbstractNamespace.validate(org.apache.calcite.rel.type.RelDataType)
, which uses theAbstractNamespace.status
field to protect against cycles.- Specified by:
validateImpl
in classAbstractNamespace
- Parameters:
targetRowType
- Desired row type, must not be null, may be the data type 'unknown'.- Returns:
- record data type, never null
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getNode
public SqlNode getNode()
Description copied from interface:SqlValidatorNamespace
Returns the parse tree node at the root of this namespace.- Returns:
- parse tree node; null for
TableNamespace
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