Columns Property (SelectStatement)
Contains list of columns and expressions used in the select-list of the current
SelectStatement object.
Property Value
A
SelectColumnCollection that represents list of columns and expressions used in the SELECT clause.
The following example demonstrates how to use the
Columns property.
private void RefreshStatement(PgSqlSelectStatement stmt)
{
stmt.Clear();
stmt.Columns.Add(new SelectColumn("ENAME"));
stmt.Columns.Add(new SelectColumn("", "emp", "JOB", "j"));
stmt.Columns.Add(new SelectColumn("test", "", "emp", "HIREDATE", "hd"));
stmt.Tables.Add(new SelectTable("emp"));
//select ENAME,emp.JOB j,Test.emp.HIREDATE hd from emp
string queryText = stmt.ToString();
}
Private Sub RefreshStatement(ByVal stmt As PgSqlSelectStatement)
stmt.Clear()
stmt.Columns.Add(New SelectColumn("ENAME"))
stmt.Columns.Add(New SelectColumn("", "emp", "JOB", "j"))
stmt.Columns.Add(New SelectColumn("test", "", "emp", "HIREDATE", "hd"))
stmt.Tables.Add(New SelectTable("emp"))
'select ENAME,emp.JOB j,Test.emp.HIREDATE hd from emp
Dim queryText As String = stmt.ToString
End Sub