//---------------------------------------------------------------------------
// @function:
// CConstraintConjunction::PcnstrCopyWithRemappedColumns
//
// @doc:
// Return a copy of the constraint with remapped columns. If must_exist is
// set to true, then every column reference in this constraint must be in
// the hashmap in order to be replace. Otherwise, some columns may not be
// in the mapping, and hence will not be replaced
//
//---------------------------------------------------------------------------
CConstraint *
CConstraintConjunction::PcnstrCopyWithRemappedColumns
(
IMemoryPool *mp,
UlongToColRefMap *colref_mapping,
BOOL must_exist
)
{
CConstraintArray *pdrgpcnstr = GPOS_NEW(mp) CConstraintArray(mp);
const ULONG length = m_pdrgpcnstr->Size();
for (ULONG ul = 0; ul < length; ul++)
{
CConstraint *pcnstr = (*m_pdrgpcnstr)[ul];
CConstraint *pcnstrCopy = pcnstr->PcnstrCopyWithRemappedColumns(mp, colref_mapping, must_exist);
pdrgpcnstr->Append(pcnstrCopy);
}
return GPOS_NEW(mp) CConstraintConjunction(mp, pdrgpcnstr);
}
//---------------------------------------------------------------------------
// @function:
// CPartConstraint::PpartcnstrCopyWithRemappedColumns
//
// @doc:
// Return a copy of the part constraint with remapped columns
//
//---------------------------------------------------------------------------
CPartConstraint *
CPartConstraint::PpartcnstrCopyWithRemappedColumns
(
IMemoryPool *mp,
UlongToColRefMap *colref_mapping,
BOOL must_exist
)
{
if (m_fUninterpreted)
{
return GPOS_NEW(mp) CPartConstraint(true /*m_fUninterpreted*/);
}
UlongToConstraintMap *phmulcnstr = GPOS_NEW(mp) UlongToConstraintMap(mp);
CColRef2dArray *pdrgpdrgpcr = GPOS_NEW(mp) CColRef2dArray(mp);
for (ULONG ul = 0; ul < m_num_of_part_levels; ul++)
{
CColRefArray *colref_array = (*m_pdrgpdrgpcr)[ul];
CColRefArray *pdrgpcrMapped = CUtils::PdrgpcrRemap(mp, colref_array, colref_mapping, must_exist);
pdrgpdrgpcr->Append(pdrgpcrMapped);
CConstraint *pcnstr = Pcnstr(ul);
if (NULL != pcnstr)
{
CConstraint *pcnstrRemapped = pcnstr->PcnstrCopyWithRemappedColumns(mp, colref_mapping, must_exist);
#ifdef GPOS_DEBUG
BOOL result =
#endif // GPOS_DEBUG
phmulcnstr->Insert(GPOS_NEW(mp) ULONG(ul), pcnstrRemapped);
GPOS_ASSERT(result);
}
}
m_pbsDefaultParts->AddRef();
return GPOS_NEW(mp) CPartConstraint(mp, phmulcnstr, m_pbsDefaultParts, m_is_unbounded, pdrgpdrgpcr);
}
