//---------------------------------------------------------------------------
// @function:
// CLogicalTVF::CLogicalTVF
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CLogicalTVF::CLogicalTVF
(
IMemoryPool *pmp,
IMDId *pmdidFunc,
IMDId *pmdidRetType,
CWStringConst *pstr,
DrgPcoldesc *pdrgpcoldesc,
DrgPcr *pdrgpcrOutput
)
:
CLogical(pmp),
m_pmdidFunc(pmdidFunc),
m_pmdidRetType(pmdidRetType),
m_pstr(pstr),
m_pdrgpcoldesc(pdrgpcoldesc),
m_pdrgpcrOutput(pdrgpcrOutput)
{
GPOS_ASSERT(pmdidFunc->FValid());
GPOS_ASSERT(pmdidRetType->FValid());
GPOS_ASSERT(NULL != pstr);
GPOS_ASSERT(NULL != pdrgpcoldesc);
GPOS_ASSERT(NULL != pdrgpcrOutput);
CMDAccessor *pmda = COptCtxt::PoctxtFromTLS()->Pmda();
const IMDFunction *pmdfunc = pmda->Pmdfunc(m_pmdidFunc);
m_efs = pmdfunc->EfsStability();
m_efda = pmdfunc->EfdaDataAccess();
m_fReturnsSet = pmdfunc->FReturnsSet();
}
//---------------------------------------------------------------------------
// @function:
// CPhysicalTVF::CPhysicalTVF
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CPhysicalTVF::CPhysicalTVF
(
IMemoryPool *pmp,
IMDId *pmdidFunc,
IMDId *pmdidRetType,
CWStringConst *pstr,
DrgPcoldesc *pdrgpcoldesc,
CColRefSet *pcrsOutput
)
:
CPhysical(pmp),
m_pmdidFunc(pmdidFunc),
m_pmdidRetType(pmdidRetType),
m_pstr(pstr),
m_pdrgpcoldesc(pdrgpcoldesc),
m_pcrsOutput(pcrsOutput)
{
GPOS_ASSERT(m_pmdidFunc->FValid());
GPOS_ASSERT(m_pmdidRetType->FValid());
GPOS_ASSERT(NULL != m_pstr);
GPOS_ASSERT(NULL != m_pdrgpcoldesc);
GPOS_ASSERT(NULL != m_pcrsOutput);
CMDAccessor *pmda = COptCtxt::PoctxtFromTLS()->Pmda();
m_pmdfunc = pmda->Pmdfunc(m_pmdidFunc);
}
//---------------------------------------------------------------------------
// @function:
// CLogicalTVF::CLogicalTVF
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CLogicalTVF::CLogicalTVF
(
IMemoryPool *pmp,
IMDId *pmdidFunc,
IMDId *pmdidRetType,
CWStringConst *pstr,
DrgPcoldesc *pdrgpcoldesc
)
:
CLogical(pmp),
m_pmdidFunc(pmdidFunc),
m_pmdidRetType(pmdidRetType),
m_pstr(pstr),
m_pdrgpcoldesc(pdrgpcoldesc),
m_pdrgpcrOutput(NULL)
{
GPOS_ASSERT(pmdidFunc->FValid());
GPOS_ASSERT(pmdidRetType->FValid());
GPOS_ASSERT(NULL != pstr);
GPOS_ASSERT(NULL != pdrgpcoldesc);
// generate a default column set for the list of column descriptors
m_pdrgpcrOutput = PdrgpcrCreateMapping(pmp, pdrgpcoldesc, UlOpId());
CMDAccessor *pmda = COptCtxt::PoctxtFromTLS()->Pmda();
const IMDFunction *pmdfunc = pmda->Pmdfunc(m_pmdidFunc);
m_efs = pmdfunc->EfsStability();
m_efda = pmdfunc->EfdaDataAccess();
m_fReturnsSet = pmdfunc->FReturnsSet();
}
//---------------------------------------------------------------------------
// @function:
// CScalarCast::CScalarCast
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CScalarCast::CScalarCast
(
IMemoryPool *pmp,
IMDId *pmdidReturnType,
IMDId *pmdidFunc,
BOOL fBinaryCoercible
)
:
CScalar(pmp),
m_pmdidReturnType(pmdidReturnType),
m_pmdidFunc(pmdidFunc),
m_fBinaryCoercible(fBinaryCoercible),
m_fReturnsNullOnNullInput(false),
m_fBoolReturnType(false)
{
if (NULL != m_pmdidFunc && m_pmdidFunc->FValid())
{
CMDAccessor *pmda = COptCtxt::PoctxtFromTLS()->Pmda();
const IMDFunction *pmdfunc = pmda->Pmdfunc(m_pmdidFunc);
m_fReturnsNullOnNullInput = pmdfunc->FStrict();
m_fBoolReturnType = CMDAccessorUtils::FBoolType(pmda, m_pmdidReturnType);
}
}
//---------------------------------------------------------------------------
// @function:
// CScalarWindowFunc::CScalarWindowFunc
//
// @doc:
// Ctor
//
//---------------------------------------------------------------------------
CScalarWindowFunc::CScalarWindowFunc
(
IMemoryPool *pmp,
IMDId *pmdidFunc,
IMDId *pmdidRetType,
const CWStringConst *pstrFunc,
EWinStage ewinstage,
BOOL fDistinct
)
:
CScalarFunc(pmp),
m_ewinstage(ewinstage),
m_fDistinct(fDistinct),
m_fAgg(false)
{
GPOS_ASSERT(pmdidFunc->FValid());
GPOS_ASSERT(pmdidRetType->FValid());
m_pmdidFunc = pmdidFunc;
m_pmdidRetType = pmdidRetType;
m_pstrFunc = pstrFunc;
CMDAccessor *pmda = COptCtxt::PoctxtFromTLS()->Pmda();
m_fAgg = pmda->FAggWindowFunc(m_pmdidFunc);
if (!m_fAgg)
{
const IMDFunction *pmdfunc = pmda->Pmdfunc(m_pmdidFunc);
m_efs = pmdfunc->EfsStability();
m_efda = pmdfunc->EfdaDataAccess();
}
else
{
// TODO: , Aug 15, 2012; pull out properties of aggregate functions
m_efs = IMDFunction::EfsImmutable;
m_efda = IMDFunction::EfdaNoSQL;
}
}