/// <summary>
/// Adds the column to the insert statement.
/// </summary>
/// <param name="column">The column to add.</param>
public void AddColumn(Column column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
_columns.Add(column);
}
/// <summary>
/// Initializes a new instance of a Setter.
/// </summary>
/// <param name="column">The name of the column to set.</param>
/// <param name="value">The value to set the column to.</param>
public Setter(Column column, IProjectionItem value)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
_column = column;
_value = value;
}
/// <summary>
/// Generates the text for a Column builder.
/// </summary>
/// <param name="item">The Column builder to generate the text for.</param>
protected internal override void VisitColumn(Column item)
{
bool qualify = item.Source != null
&& (item.Qualify ?? (commandType == CommandType.Select
|| (commandType == CommandType.Insert && options.QualifyInsertColumns)
|| (commandType == CommandType.Update && options.QualifyUpdateColumns)
|| (commandType == CommandType.Delete && options.QualifyDeleteColumns)));
if (qualify)
{
forSourceContext(SourceReferenceType.Reference).visitAliasedSource(item.Source);
writer.Write(".");
}
writer.Write(item.Name);
}
private Column buildColumn(MatchResult result)
{
List<string> parts = new List<string>();
buildMultipartIdentifier(result, parts);
if (parts.Count > 1)
{
Namespace qualifier = getNamespace(parts.Take(parts.Count - 2));
string tableName = parts[parts.Count - 2];
AliasedSource source = scope.GetSource(tableName);
string columnName = parts[parts.Count - 1];
return source.Column(columnName);
}
else
{
string columnName = parts[0];
Column column;
AliasedSource source;
if (scope.HasSingleSource(out source))
{
column = source.Column(columnName);
column.Qualify = false;
}
else
{
column = new Column(columnName);
}
return column;
}
}
/// <summary>
/// Removes the column from the insert statement.
/// </summary>
/// <param name="column">The column to remove.</param>
/// <returns>True if the column was removed; otherwise, false.</returns>
public bool RemoveColumn(Column column)
{
if (column == null)
{
throw new ArgumentNullException("column");
}
return _columns.Remove(column);
}
/// <summary>
/// Visits a Column builder.
/// </summary>
/// <param name="item">The item to visit.</param>
protected internal virtual void VisitColumn(Column item)
{
}
