You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
770 B
36 lines
770 B
using System.Text;
|
|
|
|
namespace Connected.Data.Schema.Sql
|
|
{
|
|
internal class ColumnAdd : ColumnTransaction
|
|
{
|
|
public ColumnAdd(ISchemaColumn column) : base(column)
|
|
{
|
|
}
|
|
|
|
protected override async Task OnExecute()
|
|
{
|
|
await Context.Execute(CommandText);
|
|
|
|
if (Column.IsPrimaryKey)
|
|
await new PrimaryKeyAdd(Column).Execute(Context);
|
|
|
|
if (!string.IsNullOrWhiteSpace(Column.DefaultValue))
|
|
await new DefaultAdd(Column, Context.Schema.Name).Execute(Context);
|
|
}
|
|
|
|
private string CommandText
|
|
{
|
|
get
|
|
{
|
|
var text = new StringBuilder();
|
|
|
|
text.AppendLine($"ALTER TABLE {Escape(Context.Schema.SchemaName(), Context.Schema.Name)}");
|
|
text.AppendLine($"ADD COLUMN {CreateColumnCommandText(Column)}");
|
|
|
|
return text.ToString();
|
|
}
|
|
}
|
|
}
|
|
}
|