public void Invoke(
WFromClause fromClause,
List <WNamedTableReference> vertexTableList,
List <WTableReferenceWithAlias> nonVertexTableList)
{
this.vertexTableList = vertexTableList;
this.nonVertexTableList = nonVertexTableList;
foreach (WTableReference tabRef in fromClause.TableReferences)
{
tabRef.Accept(this);
}
}
internal WFromClause GetFromClause()
{
if (TableReferences.Count == 0)
{
return(null);
}
var newFromClause = new WFromClause();
//generate tableReference in a reverse way, because the later tableReference may use the column of previous tableReference
List <WTableReference> reversedTableReference = new List <WTableReference>();
for (var i = TableReferences.Count - 1; i >= 0; i--)
{
reversedTableReference.Add(TableReferences[i].ToTableReference());
}
for (var i = reversedTableReference.Count - 1; i >= 0; i--)
{
newFromClause.TableReferences.Add(reversedTableReference[i]);
}
return(newFromClause);
}
public void Invoke(WFromClause fromClause)
{
blocks = new List <AggregationBlock>()
{
new AggregationBlock()
};
if (fromClause == null)
{
return;
}
foreach (WTableReference tabRef in fromClause.TableReferences)
{
tabRef.Accept(this);
}
for (int index = blocks.Count - 1; index >= 1; --index)
{
if (blocks[index].RootTableAlias == "dummy" && !blocks[index].TableInputDependency.Any())
{
blocks.RemoveAt(index);
}
}
}
public virtual void Visit(WFromClause node)
{
node.AcceptChildren(this);
}
public virtual void Visit(WFromClause node)
{
node.AcceptChildren(this);
}
public WSelectQueryBlock()
{
FromClause = new WFromClause();
WhereClause = new WWhereClause();
}
public WSelectQueryBlock()
{
FromClause = new WFromClause();
WhereClause = new WWhereClause();
}
