public static void ExecuteScripts(string providerName, string connectionString, string tableName, IMigrationGenerator migrationGenerator)
{
var table = CreateTestTable(tableName);
var newColumn = CreateNewColumn();
var uniqueConstraint = CreateUniqueConstraint(newColumn);
var fk = CreateForeignKey(table);
var index = CreateUniqueIndex(newColumn, tableName);
var createTable = migrationGenerator.AddTable(table);
var addColumn = migrationGenerator.AddColumn(table, newColumn);
var addUniqueConstraint = migrationGenerator.AddConstraint(table, uniqueConstraint);
var addForeignKey = migrationGenerator.AddConstraint(table, fk);
var addUniqueIndex = migrationGenerator.AddIndex(table, index);
var dropUniqueIndex = migrationGenerator.DropIndex(table, index);
var dropForeignKey = migrationGenerator.DropConstraint(table, fk);
var dropUniqueConstraint = migrationGenerator.DropConstraint(table, uniqueConstraint);
var dropColumn = migrationGenerator.DropColumn(table, newColumn);
var dropTable = migrationGenerator.DropTable(table);
var factory = DbProviderFactories.GetFactory(providerName);
using (var con = factory.CreateConnection())
{
con.ConnectionString = connectionString;
using (var cmd = con.CreateCommand())
{
con.Open();
using (var tx = con.BeginTransaction())
{
cmd.Transaction = tx;
Execute(cmd, createTable);
Execute(cmd, addColumn);
Execute(cmd, addUniqueConstraint);
Execute(cmd, addForeignKey);
Execute(cmd, dropForeignKey);
Execute(cmd, dropUniqueConstraint);
//now we've dropped the unique constraint, add a unique index
Execute(cmd, addUniqueIndex);
Execute(cmd, dropUniqueIndex);
Execute(cmd, dropColumn);
Execute(cmd, dropTable);
}
}
}
}
public void BuildDropConstraint(DatabaseTable databaseTable, DatabaseConstraint constraint)
{
try
{
var txt = _migrationGenerator.DropConstraint(databaseTable, constraint);
Clipboard.SetText(txt, TextDataFormat.UnicodeText);
}
catch (Exception exception)
{
Debug.WriteLine(exception.Message);
}
}
public string BuildDropConstraint(DatabaseTable databaseTable, DatabaseConstraint constraint)
{
StringBuilder sb = new StringBuilder();
try
{
sb.Append(m_migrationGenerator.DropConstraint(databaseTable, constraint));
}
catch (Exception exception)
{
Debug.WriteLine(exception.Message);
}
return(sb.ToString());
}
public string DropConstraint(DatabaseTable databaseTable, DatabaseConstraint databaseConstraint)
{
return(_migration.DropConstraint(databaseTable, databaseConstraint));
}
public static void ExecuteScripts(string providerName, string connectionString, string tableName, IMigrationGenerator migrationGenerator)
{
var table = CreateTestTable(tableName);
var newColumn = CreateNewColumn();
var uniqueConstraint = CreateUniqueConstraint(newColumn);
var fk = CreateForeignKey(table);
var index = CreateUniqueIndex(newColumn, tableName);
var createTable = migrationGenerator.AddTable(table);
var addColumn = migrationGenerator.AddColumn(table, newColumn);
var addUniqueConstraint = migrationGenerator.AddConstraint(table, uniqueConstraint);
var addForeignKey = migrationGenerator.AddConstraint(table, fk);
var addUniqueIndex = migrationGenerator.AddIndex(table, index);
var dropUniqueIndex = migrationGenerator.DropIndex(table, index);
var dropForeignKey = migrationGenerator.DropConstraint(table, fk);
var dropUniqueConstraint = migrationGenerator.DropConstraint(table, uniqueConstraint);
var dropColumn = migrationGenerator.DropColumn(table, newColumn);
var dropTable = migrationGenerator.DropTable(table);
var factory = DbProviderFactories.GetFactory(providerName);
using (var con = factory.CreateConnection())
{
con.ConnectionString = connectionString;
using (var cmd = con.CreateCommand())
{
con.Open();
using (var tx = con.BeginTransaction())
{
cmd.Transaction = tx;
Execute(cmd, createTable);
Execute(cmd, addColumn);
Execute(cmd, addUniqueConstraint);
Execute(cmd, addForeignKey);
Execute(cmd, dropForeignKey);
Execute(cmd, dropUniqueConstraint);
//now we've dropped the unique constraint, add a unique index
Execute(cmd, addUniqueIndex);
Execute(cmd, dropUniqueIndex);
Execute(cmd, dropColumn);
Execute(cmd, dropTable);
}
}
}
}