internal void GetEquiJoinPredicates(
VarVec leftTableDefinitions,
VarVec rightTableDefinitions,
out List <Var> leftTableEquiJoinColumns,
out List <Var> rightTableEquiJoinColumns,
out Predicate otherPredicates)
{
otherPredicates = new Predicate(this.m_command);
leftTableEquiJoinColumns = new List <Var>();
rightTableEquiJoinColumns = new List <Var>();
foreach (System.Data.Entity.Core.Query.InternalTrees.Node part in this.m_parts)
{
Var leftVar;
Var rightVar;
if (Predicate.IsEquiJoinPredicate(part, leftTableDefinitions, rightTableDefinitions, out leftVar, out rightVar))
{
leftTableEquiJoinColumns.Add(leftVar);
rightTableEquiJoinColumns.Add(rightVar);
}
else
{
otherPredicates.AddPart(part);
}
}
}
private void GetSingleTablePredicates(
List <VarVec> tableDefinitions,
out List <Predicate> singleTablePredicates, out Predicate otherPredicates)
{
singleTablePredicates = new List <Predicate>();
foreach (var vec in tableDefinitions)
{
singleTablePredicates.Add(new Predicate(m_command));
}
otherPredicates = new Predicate(m_command);
var externalRefs = m_command.CreateVarVec();
foreach (var part in m_parts)
{
var nodeInfo = m_command.GetNodeInfo(part);
var singleTablePart = false;
for (var i = 0; i < tableDefinitions.Count; i++)
{
var tableColumns = tableDefinitions[i];
if (tableColumns != null)
{
externalRefs.InitFrom(nodeInfo.ExternalReferences);
externalRefs.Minus(tableColumns);
if (externalRefs.IsEmpty)
{
singleTablePart = true;
singleTablePredicates[i].AddPart(part);
break;
}
}
}
if (!singleTablePart)
{
otherPredicates.AddPart(part);
}
}
}
private void GetSingleTablePredicates(
List <VarVec> tableDefinitions,
out List <Predicate> singleTablePredicates,
out Predicate otherPredicates)
{
singleTablePredicates = new List <Predicate>();
foreach (VarVec tableDefinition in tableDefinitions)
{
singleTablePredicates.Add(new Predicate(this.m_command));
}
otherPredicates = new Predicate(this.m_command);
VarVec varVec = this.m_command.CreateVarVec();
foreach (System.Data.Entity.Core.Query.InternalTrees.Node part in this.m_parts)
{
NodeInfo nodeInfo = this.m_command.GetNodeInfo(part);
bool flag = false;
for (int index = 0; index < tableDefinitions.Count; ++index)
{
VarVec tableDefinition = tableDefinitions[index];
if (tableDefinition != null)
{
varVec.InitFrom(nodeInfo.ExternalReferences);
varVec.Minus(tableDefinition);
if (varVec.IsEmpty)
{
flag = true;
singleTablePredicates[index].AddPart(part);
break;
}
}
}
if (!flag)
{
otherPredicates.AddPart(part);
}
}
}
internal Predicate GetJoinPredicates(
VarVec leftTableDefinitions,
VarVec rightTableDefinitions,
out Predicate otherPredicates)
{
Predicate predicate = new Predicate(this.m_command);
otherPredicates = new Predicate(this.m_command);
foreach (System.Data.Entity.Core.Query.InternalTrees.Node part in this.m_parts)
{
Var leftVar;
Var rightVar;
if (Predicate.IsEquiJoinPredicate(part, leftTableDefinitions, rightTableDefinitions, out leftVar, out rightVar))
{
predicate.AddPart(part);
}
else
{
otherPredicates.AddPart(part);
}
}
return(predicate);
}
internal Predicate GetJoinPredicates(
VarVec leftTableDefinitions, VarVec rightTableDefinitions,
out Predicate otherPredicates)
{
var joinPredicate = new Predicate(m_command);
otherPredicates = new Predicate(m_command);
foreach (var part in m_parts)
{
Var leftTableVar;
Var rightTableVar;
if (IsEquiJoinPredicate(part, leftTableDefinitions, rightTableDefinitions, out leftTableVar, out rightTableVar))
{
joinPredicate.AddPart(part);
}
else
{
otherPredicates.AddPart(part);
}
}
return(joinPredicate);
}
// <summary>
// Get the set of equi-join columns from this predicate
// </summary>
internal void GetEquiJoinPredicates(
VarVec leftTableDefinitions, VarVec rightTableDefinitions,
out List <Var> leftTableEquiJoinColumns, out List <Var> rightTableEquiJoinColumns,
out Predicate otherPredicates)
{
otherPredicates = new Predicate(m_command);
leftTableEquiJoinColumns = new List <Var>();
rightTableEquiJoinColumns = new List <Var>();
foreach (var part in m_parts)
{
Var leftTableVar;
Var rightTableVar;
if (IsEquiJoinPredicate(part, leftTableDefinitions, rightTableDefinitions, out leftTableVar, out rightTableVar))
{
leftTableEquiJoinColumns.Add(leftTableVar);
rightTableEquiJoinColumns.Add(rightTableVar);
}
else
{
otherPredicates.AddPart(part);
}
}
}
private void GetSingleTablePredicates(
List<VarVec> tableDefinitions,
out List<Predicate> singleTablePredicates, out Predicate otherPredicates)
{
singleTablePredicates = new List<Predicate>();
foreach (var vec in tableDefinitions)
{
singleTablePredicates.Add(new Predicate(m_command));
}
otherPredicates = new Predicate(m_command);
var externalRefs = m_command.CreateVarVec();
foreach (var part in m_parts)
{
var nodeInfo = m_command.GetNodeInfo(part);
var singleTablePart = false;
for (var i = 0; i < tableDefinitions.Count; i++)
{
var tableColumns = tableDefinitions[i];
if (tableColumns != null)
{
externalRefs.InitFrom(nodeInfo.ExternalReferences);
externalRefs.Minus(tableColumns);
if (externalRefs.IsEmpty)
{
singleTablePart = true;
singleTablePredicates[i].AddPart(part);
break;
}
}
}
if (!singleTablePart)
{
otherPredicates.AddPart(part);
}
}
}
internal Predicate GetJoinPredicates(
VarVec leftTableDefinitions, VarVec rightTableDefinitions,
out Predicate otherPredicates)
{
var joinPredicate = new Predicate(m_command);
otherPredicates = new Predicate(m_command);
foreach (var part in m_parts)
{
Var leftTableVar;
Var rightTableVar;
if (IsEquiJoinPredicate(part, leftTableDefinitions, rightTableDefinitions, out leftTableVar, out rightTableVar))
{
joinPredicate.AddPart(part);
}
else
{
otherPredicates.AddPart(part);
}
}
return joinPredicate;
}
// <summary>
// Get the set of equi-join columns from this predicate
// </summary>
internal void GetEquiJoinPredicates(
VarVec leftTableDefinitions, VarVec rightTableDefinitions,
out List<Var> leftTableEquiJoinColumns, out List<Var> rightTableEquiJoinColumns,
out Predicate otherPredicates)
{
otherPredicates = new Predicate(m_command);
leftTableEquiJoinColumns = new List<Var>();
rightTableEquiJoinColumns = new List<Var>();
foreach (var part in m_parts)
{
Var leftTableVar;
Var rightTableVar;
if (IsEquiJoinPredicate(part, leftTableDefinitions, rightTableDefinitions, out leftTableVar, out rightTableVar))
{
leftTableEquiJoinColumns.Add(leftTableVar);
rightTableEquiJoinColumns.Add(rightTableVar);
}
else
{
otherPredicates.AddPart(part);
}
}
}
