greenplumn CDXLScalarPartBoundOpen 代码
文件路径：/src/backend/gporca/libnaucrates/src/operators/CDXLScalarPartBoundOpen.cpp
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2014 VMware, Inc. or its affiliates.
/
/ @filename:
/ CDXLScalarPartBoundOpen.cpp
/
/ @doc:
/ Implementation of DXL Part bound openness expression
/---------------------------------------------------------------------------
#include "naucrates/dxl/operators/CDXLScalarPartBoundOpen.h"
#include "gpopt/mdcache/CMDAccessor.h"
#include "naucrates/dxl/operators/CDXLNode.h"
#include "naucrates/dxl/xml/CXMLSerializer.h"
using namespace gpopt;
using namespace gpmd;
using namespace gpos;
using namespace gpdxl;
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarPartBoundOpen::CDXLScalarPartBoundOpen
/
/ @doc:
/ Ctor
/
/---------------------------------------------------------------------------
CDXLScalarPartBoundOpen::CDXLScalarPartBoundOpen(CMemoryPool *mp,
ULONG partitioning_level,
BOOL is_lower_bound)
: CDXLScalar(mp),
m_partitioning_level(partitioning_level),
m_is_lower_bound(is_lower_bound)
{
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarPartBoundOpen::GetDXLOperator
/
/ @doc:
/ Operator type
/
/---------------------------------------------------------------------------
Edxlopid
CDXLScalarPartBoundOpen::GetDXLOperator() const
{
return EdxlopScalarPartBoundOpen;
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarPartBoundOpen::GetOpNameStr
/
/ @doc:
/ Operator name
/
/---------------------------------------------------------------------------
const CWStringConst *
CDXLScalarPartBoundOpen::GetOpNameStr() const
{
return CDXLTokens::GetDXLTokenStr(EdxltokenScalarPartBoundOpen);
}
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarPartBoundOpen::SerializeToDXL
/
/ @doc:
/ Serialize operator in DXL format
/
/---------------------------------------------------------------------------
void
CDXLScalarPartBoundOpen::SerializeToDXL(CXMLSerializer *xml_serializer,
const CDXLNode * / dxlnode
) const
{
const CWStringConst *element_name = GetOpNameStr();
xml_serializer->OpenElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix), element_name);
xml_serializer->AddAttribute(CDXLTokens::GetDXLTokenStr(EdxltokenPartLevel),
m_partitioning_level);
xml_serializer->AddAttribute(
CDXLTokens::GetDXLTokenStr(EdxltokenScalarPartBoundLower),
m_is_lower_bound);
xml_serializer->CloseElement(
CDXLTokens::GetDXLTokenStr(EdxltokenNamespacePrefix), element_name);
}
#ifdef GPOS_DEBUG
/---------------------------------------------------------------------------
/ @function:
/ CDXLScalarPartBoundOpen::AssertValid
/
/ @doc:
/ Checks whether operator node is well-structured
/
/---------------------------------------------------------------------------
void
CDXLScalarPartBoundOpen::AssertValid(const CDXLNode *dxlnode,
BOOL / validate_children
) const
{
GPOS_ASSERT(0 == dxlnode->Arity());
}
#endif / GPOS_DEBUG
/ EOF
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