public static ITransformationProvider AddManyToManyJoiningTable(this ITransformationProvider database, string schema, string lhsTableName, string lhsKey, string rhsTableName, string rhsKey, string joiningTableName)
{
string joiningTableWithSchema = TransformationProviderUtility.FormatTableName(schema, joiningTableName);
string joinLhsKey = Inflector.Singularize(lhsTableName) + "Id";
string joinRhsKey = Inflector.Singularize(rhsTableName) + "Id";
database.AddTable(joiningTableWithSchema,
new Column(joinLhsKey, DbType.Guid, ColumnProperty.NotNull),
new Column(joinRhsKey, DbType.Guid, ColumnProperty.NotNull));
string pkName = "PK_" + joiningTableName;
pkName = ShortenKeyNameToBeSuitableForOracle(pkName);
database.AddPrimaryKey(pkName, joiningTableWithSchema, joinLhsKey, joinRhsKey);
string lhsTableNameWithSchema = TransformationProviderUtility.FormatTableName(schema, lhsTableName);
string rhsTableNameWithSchema = TransformationProviderUtility.FormatTableName(schema, rhsTableName);
string lhsFkName = TransformationProviderUtility.CreateForeignKeyName(lhsTableName, joiningTableName);
database.AddForeignKey(lhsFkName, joiningTableWithSchema, joinLhsKey, lhsTableNameWithSchema, lhsKey, ForeignKeyConstraint.NoAction);
string rhsFkName = TransformationProviderUtility.CreateForeignKeyName(rhsTableName, joiningTableName);
database.AddForeignKey(rhsFkName, joiningTableWithSchema, joinRhsKey, rhsTableNameWithSchema, rhsKey, ForeignKeyConstraint.NoAction);
return database;
}
public static void AddConstraint(this IQuery query, ObjectName tableName, ConstraintInfo constraintInfo)
{
if (constraintInfo.ConstraintType == ConstraintType.PrimaryKey) {
var columnNames = constraintInfo.ColumnNames;
if (columnNames.Length > 1)
throw new ArgumentException();
query.AddPrimaryKey(tableName, columnNames[0], constraintInfo.ConstraintName);
} else if (constraintInfo.ConstraintType == ConstraintType.Unique) {
query.AddUniqueKey(tableName, constraintInfo.ColumnNames, constraintInfo.ConstraintName);
} else if (constraintInfo.ConstraintType == ConstraintType.Check) {
query.AddCheck(tableName, constraintInfo.CheckExpression, constraintInfo.ConstraintName);
} else if (constraintInfo.ConstraintType == ConstraintType.ForeignKey) {
query.AddForeignKey(tableName, constraintInfo.ColumnNames, constraintInfo.ForeignTable,
constraintInfo.ForeignColumnNames, constraintInfo.OnDelete, constraintInfo.OnUpdate, constraintInfo.ConstraintName);
}
}
/// <summary>
/// Adds a primary key constraint to the table with the default name.
/// </summary>
public static IAddedPrimaryKey AddPrimaryKey(this IExistingTable table)
{
return table.AddPrimaryKey(null);
}
public static void AddPrimaryKey(this IQuery query, ObjectName tableName, string columnName, string constraintName)
{
query.AddPrimaryKey(tableName, new[] { columnName }, constraintName);
}
/// <summary>
/// Makes this column the primary key (or part of a composite key)
/// </summary>
/// <param name="databaseColumn">The database column.</param>
/// <returns></returns>
public static DatabaseColumn AddPrimaryKey(this DatabaseColumn databaseColumn)
{
return databaseColumn.AddPrimaryKey(null);
}