public MultipleRowDbCommandBuilder <MySqlCommand, MySqlParameter> DeleteByKeyList <TKey>(MySqlObjectName tableName, IEnumerable <TKey> keys, DeleteOptions options = DeleteOptions.None)
{
var primaryKeys = DatabaseMetadata.GetTableOrView(tableName).PrimaryKeyColumns;
if (primaryKeys.Count != 1)
{
throw new MappingException($"{nameof(DeleteByKeyList)} operation isn't allowed on {tableName} because it doesn't have a single primary key.");
}
var keyList = keys.AsList();
var columnMetadata = primaryKeys.Single();
string where;
if (keys.Count() > 1)
{
where = columnMetadata.SqlName + " IN (" + string.Join(", ", keyList.Select((s, i) => "@Param" + i)) + ")";
}
else
{
where = columnMetadata.SqlName + " = @Param0";
}
var parameters = new List <MySqlParameter>();
for (var i = 0; i < keyList.Count; i++)
{
var param = new MySqlParameter("@Param" + i, keyList[i]);
if (columnMetadata.DbType.HasValue)
{
param.MySqlDbType = columnMetadata.DbType.Value;
}
parameters.Add(param);
}
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(new MySqlDeleteMany(this, tableName, where, parameters, parameters.Count, options));
}
UpdateOptions effectiveOptions = UpdateOptions.SoftDelete;
if (!options.HasFlag(DeleteOptions.CheckRowsAffected))
{
effectiveOptions |= UpdateOptions.IgnoreRowsAffected;
}
if (options.HasFlag(DeleteOptions.UseKeyAttribute))
{
effectiveOptions |= UpdateOptions.UseKeyAttribute;
}
return(new MySqlUpdateMany(this, tableName, null, where, parameters, parameters.Count, effectiveOptions));
}
/// <summary>
/// Delete multiple records using a where expression.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="whereClause">The where clause.</param>
/// <param name="argumentValue">The argument value for the where clause.</param>
public MultipleRowDbCommandBuilder <AbstractCommand, AbstractParameter> DeleteWithFilter(AbstractObjectName tableName, string whereClause, object argumentValue)
{
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(OnDeleteMany(tableName, whereClause, argumentValue));
}
return(OnUpdateMany(tableName, null, UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected).WithFilter(whereClause, argumentValue));
}
/// <summary>
/// Delete multiple records using a filter object.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="filterValue">The filter value.</param>
/// <param name="filterOptions">The options.</param>
public MultipleRowDbCommandBuilder <AbstractCommand, AbstractParameter> DeleteWithFilter(AbstractObjectName tableName, object filterValue, FilterOptions filterOptions = FilterOptions.None)
{
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(OnDeleteMany(tableName, filterValue, filterOptions));
}
return(OnUpdateMany(tableName, null, UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected).WithFilter(filterValue, filterOptions));
}
/// <summary>
/// Deletes multiple records using a where expression.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="whereClause">The where clause.</param>
public MultipleRowDbCommandBuilder <SQLiteCommand, SQLiteParameter> DeleteWithFilter(SQLiteObjectName tableName, string whereClause)
{
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(new SQLiteDeleteMany(this, tableName, whereClause, null));
}
return(new SQLiteUpdateMany(this, tableName, null, UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected).WithFilter(whereClause, null));
}
/// <summary>
/// Deletes multiple records using a filter object.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="filterValue">The filter value.</param>
/// <param name="filterOptions">The options.</param>
public MultipleRowDbCommandBuilder <OleDbCommand, OleDbParameter> DeleteWithFilter(SqlServerObjectName tableName, object filterValue, FilterOptions filterOptions = FilterOptions.None)
{
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(new OleDbSqlServerDeleteMany(this, tableName, filterValue, filterOptions));
}
return(new OleDbSqlServerUpdateMany(this, tableName, null, UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected).WithFilter(filterValue, filterOptions));
}
/// <summary>
/// Deletes multiple records using a where expression.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="whereClause">The where clause.</param>
/// <param name="argumentValue">The argument value for the where clause.</param>
public MultipleRowDbCommandBuilder <OleDbCommand, OleDbParameter> DeleteWithFilter(SqlServerObjectName tableName, string whereClause, object argumentValue)
{
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(new OleDbSqlServerDeleteMany(this, tableName, whereClause, argumentValue));
}
return(new OleDbSqlServerUpdateMany(this, tableName, null, UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected).WithFilter(whereClause, argumentValue));
}
MultipleRowDbCommandBuilder <AbstractCommand, AbstractParameter> IUpdateDeleteByKeyHelper <AbstractCommand, AbstractParameter, AbstractObjectName, AbstractDbType> .OnDeleteByKeyList <TKey>(AbstractObjectName tableName, IEnumerable <TKey> keys, DeleteOptions options)
{
var primaryKeys = DatabaseMetadata.GetTableOrView(tableName).PrimaryKeyColumns;
if (primaryKeys.Count != 1)
{
throw new MappingException($"{nameof(DeleteByKeyList)} operation isn't allowed on {tableName} because it doesn't have a single primary key.");
}
var keyList = keys.AsList();
var columnMetadata = primaryKeys.Single();
string where;
if (keys.Count() > 1)
{
where = columnMetadata.SqlName + " IN (" + string.Join(", ", keyList.Select((s, i) => "?")) + ")";
}
else
{
where = columnMetadata.SqlName + " = ?";
}
var parameters = new List <OleDbParameter>();
for (var i = 0; i < keyList.Count; i++)
{
var param = new OleDbParameter("@Param" + i, keyList[i]);
if (columnMetadata.DbType.HasValue)
{
param.OleDbType = columnMetadata.DbType.Value;
}
parameters.Add(param);
}
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(new OleDbSqlServerDeleteSet(this, tableName, where, parameters, parameters.Count, options));
}
UpdateOptions effectiveOptions = UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected;
if (options.HasFlag(DeleteOptions.UseKeyAttribute))
{
effectiveOptions = effectiveOptions | UpdateOptions.UseKeyAttribute;
}
return(new OleDbSqlServerUpdateSet(this, tableName, null, where, parameters, parameters.Count, effectiveOptions));
}
/// <summary>
/// Deletes an object model from the table indicated by the class's Table attribute.
/// </summary>
/// <typeparam name="TArgument"></typeparam>
/// <param name="argumentValue">The argument value.</param>
/// <param name="options">The delete options.</param>
/// <returns></returns>
public ObjectDbCommandBuilder <SqlCommand, SqlParameter, TArgument> Delete <TArgument>(TArgument argumentValue, DeleteOptions options = DeleteOptions.None) where TArgument : class
{
var table = DatabaseMetadata.GetTableOrViewFromClass <TArgument>();
if (!AuditRules.UseSoftDelete(table))
{
return(new SqlServerDeleteObject <TArgument>(this, table.Name, argumentValue, options));
}
UpdateOptions effectiveOptions = UpdateOptions.SoftDelete;
if (options.HasFlag(DeleteOptions.UseKeyAttribute))
{
effectiveOptions = effectiveOptions | UpdateOptions.UseKeyAttribute;
}
return(new SqlServerUpdateObject <TArgument>(this, table.Name, argumentValue, effectiveOptions));
}
/// <summary>
/// Creates a command to perform a delete operation.
/// </summary>
/// <param name="tableName"></param>
/// <param name="argumentValue"></param>
/// <param name="options"></param>
/// <returns></returns>
public ObjectDbCommandBuilder <AbstractCommand, AbstractParameter, TArgument> Delete <TArgument>(AbstractObjectName tableName, TArgument argumentValue, DeleteOptions options = DeleteOptions.None)
where TArgument : class
{
var table = DatabaseMetadata.GetTableOrView(tableName);
if (!AuditRules.UseSoftDelete(table))
{
return(OnDeleteObject <TArgument>(tableName, argumentValue, options));
}
UpdateOptions effectiveOptions = UpdateOptions.SoftDelete | UpdateOptions.IgnoreRowsAffected;
if (options.HasFlag(DeleteOptions.UseKeyAttribute))
{
effectiveOptions = effectiveOptions | UpdateOptions.UseKeyAttribute;
}
return(OnUpdateObject <TArgument>(tableName, argumentValue, effectiveOptions));
}
