public BinaryConditionInfo Parse(SelectAtomContext ctx)
{
var condition = new BinaryConditionInfo();
if (Left_table_field != null)
{
var temp = Left_table_field.Parse(ctx);
condition.LeftValue = temp;
}
if (Right_table_field != null)
{
condition.RightValue = Right_table_field.Parse(ctx);
}
if (Predication != null)
{
condition.RightValue = new PredicationFieldInfo();
Predication.Parse(condition.RightValue as PredicationFieldInfo);
}
switch (Binary_operater.Operater.ToLower())
{
case "=":
condition.ConditionType = ConditionType.Equal;
break;
case "<":
condition.ConditionType = ConditionType.Lt;
break;
case ">":
condition.ConditionType = ConditionType.Gt;
break;
case "!=":
condition.ConditionType = ConditionType.NotEqual;
break;
case "<=":
condition.ConditionType = ConditionType.LtEqual;
break;
case ">=":
condition.ConditionType = ConditionType.GtEqual;
break;
case "in":
condition.ConditionType = ConditionType.In;
break;
case "like":
var c = new LikeConditionInfo();
c.LeftValue = condition.LeftValue;
c.RightValue = condition.RightValue;
condition = c;
condition.ConditionType = ConditionType.Like;
break;
case "between":
condition.ConditionType = ConditionType.Between;
break;
case "exists":
condition.ConditionType = ConditionType.Exists;
break;
default:
condition.ConditionType = ConditionType.Unknown;
break;
}
return condition;
}
public BinaryConditionInfo Parse(SelectAtomContext ctx)
{
var condition = new BinaryConditionInfo();
if (Left_table_field != null)
{
var temp = Left_table_field.Parse(ctx);
condition.LeftValue = temp;
}
if (Right_table_field != null)
{
condition.RightValue = Right_table_field.Parse(ctx);
}
if (Predication != null)
{
condition.RightValue = new PredicationFieldInfo();
Predication.Parse(condition.RightValue as PredicationFieldInfo);
}
switch (Binary_operater.Operater.ToLower())
{
case "=":
condition.ConditionType = ConditionType.Equal;
break;
case "<":
condition.ConditionType = ConditionType.Lt;
break;
case ">":
condition.ConditionType = ConditionType.Gt;
break;
case "!=":
condition.ConditionType = ConditionType.NotEqual;
break;
case "<=":
condition.ConditionType = ConditionType.LtEqual;
break;
case ">=":
condition.ConditionType = ConditionType.GtEqual;
break;
case "in":
condition.ConditionType = ConditionType.In;
break;
case "like":
var c = new LikeConditionInfo();
c.LeftValue = condition.LeftValue;
c.RightValue = condition.RightValue;
condition = c;
condition.ConditionType = ConditionType.Like;
break;
case "between":
condition.ConditionType = ConditionType.Between;
break;
case "exists":
condition.ConditionType = ConditionType.Exists;
break;
default:
condition.ConditionType = ConditionType.Unknown;
break;
}
return(condition);
}
