public static SqlTable AddForeignKey(this SqlTable table, string referredTableName, List <ColumnReference> map, bool isNullable = false, string fkName = null)
{
var referredTableNameWithSchema = new SchemaAndTableName(referredTableName);
var fk = new ForeignKeyRegistrationToReferredTable(table, referredTableNameWithSchema, isNullable, fkName, map);
table.Properties.Add(fk);
var mapColumnNames = string.Join("_", map.ConvertAll(m => m.ColumnName));
var placeHolderColumnName = $"*{referredTableNameWithSchema}.{mapColumnNames}.{table.Columns.Count.ToString("D", CultureInfo.InvariantCulture)}";
table.Columns.Add(new SqlColumnFKRegistration(placeHolderColumnName, fk));
Prepare(table);
return(table);
}
public static void ReferredTable(DatabaseDefinition definition, SqlTable sqlTable, ForeignKeyRegistrationToReferredTable fkRegistration)
{
var referredTable = definition.GetTable(fkRegistration.ReferredTableName);
var fk = ReplaceFKRegistrationWithNewFK(sqlTable, fkRegistration, referredTable);
var placeHolderColumn = sqlTable.Columns.OfType <SqlColumnFKRegistration>().FirstOrDefault(c => c.FKRegistration == fkRegistration);
var order = sqlTable.Columns.GetOrder(placeHolderColumn.Name);
sqlTable.Columns.Remove(placeHolderColumn.Name);
foreach (var fkGroup in fkRegistration.Map)
{
var col = new SqlColumn();
referredTable.Columns[fkGroup.ReferredColumnName].CopyTo(col);
col.Table = sqlTable;
col.Types.SetAllNullable(fkRegistration.IsNullable);
col.Name = fkGroup.ColumnName;
sqlTable.Columns.Add(col.Name, col, order++);
fk.ForeignKeyColumns.Add(new ForeignKeyColumnMap(col, referredTable[fkGroup.ReferredColumnName]));
}
}
