public static void RenameColumn(this TransformationProvider database, string table, string oldName, string newName)
{
new RenameExpressionRoot(database.Context)
.Column(oldName)
.OnTable(table)
.To(newName);
}
public static void AddForeignKey(this TransformationProvider database, string name, string sourceTable, string[] sourceColumns, string destTable, string[] destColumns)
{
new CreateExpressionRoot(database.Context).ForeignKey(name)
.FromTable(sourceTable)
.ForeignColumns(sourceColumns)
.ToTable(destTable)
.PrimaryColumns(destColumns);
}
public virtual void GetDownExpressions(IMigrationContext context)
{
lock (_lock)
{
ApplicationContext = context.ApplicationContext;
Database = new TransformationProvider(context);
Down();
Database = null;
}
}
public static void ChangeColumn(this TransformationProvider database, string table, Column column)
{
var columnBuilder = new AlterExpressionRoot(database.Context)
.Column(column.Name)
.OnTable(table);
var typed = GetTypedColumn(columnBuilder, column.Type, column.Size);
ApplyColumnOptions(typed, column.ColumnProperty, column.DefaultValue);
}
public static void AddTable(this TransformationProvider database, string name, params Column[] columns)
{
var tableBuilder = new CreateExpressionRoot(database.Context).Table(name);
foreach (var column in columns)
{
var builder = tableBuilder.WithColumn(column.Name, column.Type, column.Size);
ColumnExtensions.ApplyColumnOptions(builder, column.ColumnProperty, column.DefaultValue);
}
}
public static void AddIndex(this TransformationProvider database, string indexName, string tableName, params string[] columns)
{
ICreateIndexOnColumnSyntax builder = new CreateExpressionRoot(database.Context).Index(indexName)
.OnTable(tableName);
foreach (var column in columns)
{
builder = builder.OnColumn(column).Ascending();
}
}
public virtual void GetDownExpressions(IMigrationContext context)
{
lock (_lock)
{
ApplicationContext = context.ApplicationContext;
Database = new TransformationProvider(context);
Down();
Database = null;
}
}
public static void AddUniqueConstraint(this TransformationProvider database, string name, string table, params string[] columns)
{
var indexBuilder = new CreateExpressionRoot(database.Context).Index(name);
var tabledIndexBuilder = indexBuilder.OnTable(table);
foreach (string column in columns)
{
tabledIndexBuilder.OnColumn(column).Ascending();
}
tabledIndexBuilder.WithOptions().Unique();
}
public static void ExecuteNonQuery(this TransformationProvider database, string sql)
{
new ExecuteExpressionRoot(database.Context)
.Sql(sql);
}
public static void AddCheckConstraint(this TransformationProvider database, string name, string table, string constraint)
{
database.ExecuteNonQuery("ALTER TABLE [{0}] ADD CONSTRAINT [{1}] CHECK ({2})", table, name, constraint);
}
public static void RemoveConstraint(this TransformationProvider database, string table, string name)
{
database.ExecuteNonQuery("ALTER TABLE [{0}] DROP CONSTRAINT [{1}]", table, name);
}
public static void AddForeignKey(this TransformationProvider database, string name, string sourceTable, string sourceColumn, string destTable, string destColumn)
{
database.AddForeignKey(name, sourceColumn, new[] { sourceColumn }, destTable, new[] { destColumn });
}
public static void RemoveForeignKey(this TransformationProvider database, string table, string keyName)
{
new DeleteExpressionRoot(database.Context).ForeignKey(keyName);
}
public static void RemoveTable(this TransformationProvider database, string name)
{
new DeleteExpressionRoot(database.Context).Table(name);
}
public static void RemoveIndex(this TransformationProvider database, string tableName, string indexName)
{
new DeleteExpressionRoot(database.Context)
.Index(indexName)
.OnTable(tableName);
}
public static void Execute(this TransformationProvider database, Action <IDbConnection, IDbTransaction> action)
{
new ExecuteExpressionRoot(database.Context)
.WithConnection(action);
}
public static void ExecuteNonQuery(this TransformationProvider database, string sql, params object[] args)
{
sql = string.Format(sql, args);
database.ExecuteNonQuery(sql);
}
public static void RemoveColumn(this TransformationProvider database, string table, string column)
{
new DeleteExpressionRoot(database.Context)
.Column(column)
.FromTable(table);
}
