/// <summary>
/// Sets an existing column as an FK, pointing to the unique key of <paramref name="referredSchemaAndTableName"/>.
/// </summary>
/// <param name="singleFkColumn">The existing column to set as FK.</param>
/// <param name="referredSchemaAndTableName">The referred table as <see cref="SchemaAndTableName"/>.</param>
/// <param name="fkName">The name of the FK. Auto naming will set name if not provided.</param>
/// <returns>The original <paramref name="singleFkColumn"/>.</returns>
public static SqlColumn SetForeignKeyToTable(this SqlColumn singleFkColumn, SchemaAndTableName referredSchemaAndTableName, string fkName = null)
{
var fk = new ForeignKeyRegistrationToTableWithUniqueKeyExistingColumn(singleFkColumn, referredSchemaAndTableName, null, fkName);
singleFkColumn.Table.Properties.Add(fk);
Prepare(singleFkColumn.Table);
return(singleFkColumn);
}
/// <summary>
/// Sets an existing column as an FK, pointing to the unique key of <paramref name="referredSchemaAndTableName"/>, providing <paramref name="properties"/>.
/// </summary>
/// <param name="singleFkColumn">The existing column to set as FK.</param>
/// <param name="referredSchemaAndTableName">The referred table as <see cref="SchemaAndTableName"/>.</param>
/// <param name="properties">Implementation dependent properties.</param>
/// <param name="fkName">The name of the FK. Auto naming will set name if not provided.</param>
/// <returns>The original <paramref name="singleFkColumn"/>.</returns>
public static SqlColumn SetForeignKeyToTable(this SqlColumn singleFkColumn, SchemaAndTableName referredSchemaAndTableName, IEnumerable <SqlEngineVersionSpecificProperty> properties, string fkName = null)
{
var fk = new ForeignKeyRegistrationToTableWithUniqueKeyExistingColumn(singleFkColumn, referredSchemaAndTableName, null, fkName);
fk.SqlEngineVersionSpecificProperties.Add(properties);
singleFkColumn.Table.Properties.Add(fk);
Prepare(singleFkColumn.Table);
return(singleFkColumn);
}
public static void PrimaryKeyExistingColumn(DatabaseDefinition definiton, SqlTable sqlTable, ForeignKeyRegistrationToTableWithUniqueKeyExistingColumn fkRegistration)
{
var referredTable = definiton.GetTable(fkRegistration.ReferredTableName);
var referredUniqueIndex = GetReferredUniqueIndex(referredTable, fkRegistration.SingleReferredColumnName);
CheckValidity(referredUniqueIndex, fkRegistration.SingleFkColumn.Name);
var fk = ReplaceFKRegistrationWithNewFK(sqlTable, fkRegistration, referredTable);
var pkColumn = referredUniqueIndex.SqlColumns[0].SqlColumn;
if (fkRegistration.SingleFkColumn.Types.Count == 0)
{
pkColumn.Types.CopyTo(fkRegistration.SingleFkColumn.Types);
}
fk.ForeignKeyColumns.Add(new ForeignKeyColumnMap(fkRegistration.SingleFkColumn, pkColumn));
}
