ISqlExpression?ISqlExpressionWalkable.Walk(WalkOptions options, Func <ISqlExpression, ISqlExpression> func)
{
if (!options.SkipColumnDeclaration)
{
for (var i = 0; i < Columns.Count; i++)
{
var col = Columns[i];
var expr = col.Walk(options, func);
if (expr is SqlColumn column)
{
Columns[i] = column;
}
else
{
Columns[i] = new SqlColumn(col.Parent, expr, col.Alias);
}
}
}
TakeValue = TakeValue?.Walk(options, func);
SkipValue = SkipValue?.Walk(options, func);
return(null);
}
IQueryExpression ISqlExpressionWalkable.Walk(bool skipColumns, Func <IQueryExpression, IQueryExpression> func)
{
for (var i = 0; i < Columns.Count; i++)
{
var col = Columns[i];
var expr = col.Walk(skipColumns, func);
var column = expr as IColumn;
if (column != null)
{
Columns[i] = column;
}
else
{
Columns[i] = new Column(col.Parent, expr, col.Alias);
}
}
TakeValue = TakeValue?.Walk(skipColumns, func);
SkipValue = SkipValue?.Walk(skipColumns, func);
return(null);
}