/// <summary>
/// Add a new table
/// </summary>
/// <param name="name">Table name</param>
/// <param name="columns">Columns</param>
/// <param name="engine">the database storage engine to use</param>
/// <example>
/// Adds the Test table with two columns:
/// <code>
/// Database.AddTable("Test", "INNODB",
/// new Column("Id", typeof(int), ColumnProperty.PrimaryKey),
/// new Column("Title", typeof(string), 100)
/// );
/// </code>
/// </example>
public virtual void AddTable(string name, string engine, params Column[] columns)
{
if (TableExists(name))
{
Logger.Warn("Table {0} already exists", name);
return;
}
List <string> pks = GetPrimaryKeys(columns);
bool compoundPrimaryKey = pks.Count > 1;
List <ColumnPropertiesMapper> columnProviders = new List <ColumnPropertiesMapper>(columns.Length);
foreach (Column column in columns)
{
// Remove the primary key notation if compound primary key because we'll add it back later
if (compoundPrimaryKey && column.IsPrimaryKey)
{
column.ColumnProperty = ColumnProperty.Unsigned | ColumnProperty.NotNull;
}
ColumnPropertiesMapper mapper = _dialect.GetAndMapColumnProperties(column);
columnProviders.Add(mapper);
}
string columnsAndIndexes = JoinColumnsAndIndexes(columnProviders);
AddTable(name, engine, columnsAndIndexes);
if (compoundPrimaryKey)
{
AddPrimaryKey(String.Format("PK_{0}", name), name, pks.ToArray());
}
}
public ColumnPropertiesMapper GetAndMapColumnProperties(Column column)
{
ColumnPropertiesMapper mapper = GetColumnMapper(column);
mapper.MapColumnProperties(column);
if (column.DefaultValue != null)
{
mapper.Default = column.DefaultValue;
}
return(mapper);
}
public virtual void ChangeColumn(string table, Column column)
{
if (!ColumnExists(table, column.Name))
{
Logger.Warn("Column {0}.{1} does not exist", table, column.Name);
return;
}
ColumnPropertiesMapper mapper = _dialect.GetAndMapColumnProperties(column);
ChangeColumn(table, mapper.ColumnSql);
}
public void AddColumn(string table, string column, DbType type, object defaultValue)
{
if (ColumnExists(table, column))
{
Logger.Warn("Column {0}.{1} already exists", table, column);
return;
}
ColumnPropertiesMapper mapper =
_dialect.GetAndMapColumnProperties(new Column(column, type, defaultValue));
AddColumn(table, mapper.ColumnSql);
}
