org.eigenbase.sql.validate
Class ProcedureNamespace

java.lang.Object
  org.eigenbase.sql.validate.AbstractNamespace
      org.eigenbase.sql.validate.ProcedureNamespace

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.

Version:

$Id: //open/dev/farrago/src/org/eigenbase/sql/validate/ProcedureNamespace.java#8 $

Author:

John V. Sichi

Field Summary

private SqlCall	call
private SqlValidatorScope	scope

Fields inherited from class org.eigenbase.sql.validate.AbstractNamespace

enclosingNode, rowType, validator

Constructor Summary

ProcedureNamespace(SqlValidatorImpl validator, SqlValidatorScope scope, SqlCall call, SqlNode enclosingNode)

Method Summary

SqlNode	getNode() Returns the parse tree node at the root of this namespace.
RelDataType	validateImpl() Validates this scope and returns the type of the records it returns.

Methods inherited from class org.eigenbase.sql.validate.AbstractNamespace

fieldExists, getEnclosingNode, getMonotonicExprs, getMonotonicity, getRowType, getRowTypeSansSystemColumns, getTable, getValidator, isWrapperFor, lookupChild, makeNullable, setRowType, translate, unwrap, validate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

scope

private final SqlValidatorScope scope

call

private final SqlCall call

Constructor Detail

ProcedureNamespace

ProcedureNamespace(SqlValidatorImpl validator,
                   SqlValidatorScope scope,
                   SqlCall call,
                   SqlNode enclosingNode)

Method Detail

validateImpl

public RelDataType validateImpl()

Description copied from class: AbstractNamespace

Validates this scope and returns the type of the records it returns. External users should call AbstractNamespace.validate(), which uses the AbstractNamespace.status field to protect against cycles.

Specified by:

validateImpl in class AbstractNamespace

Returns:

record data type, never null

getNode

public SqlNode getNode()

Description copied from interface: SqlValidatorNamespace

Returns the parse tree node at the root of this namespace.

Returns:

parse tree node