/// <summary>
/// Gets the update table schema SQL.
/// </summary>
public static SqlBatch GetUpdateTableSql(this IDataHelper dh, Type modelType)
{
List <SqlBatch> sqls = new List <SqlBatch>();
var columnNameDic = AttributeHelper.GetProp2ColumnNameDics(dh.Driver.DirverType, modelType);
var colIndexs = AttributeHelper.GetColumn2IndexNameDics(dh.Driver.DirverType, modelType);
var primaryKeyProps = AttributeHelper.GetPrimaryKeys(dh.Driver.DirverType, modelType, false);
var createDdls = AttributeHelper.GetPropertyName2DDLs(dh.Driver.DirverType, modelType, dh.Driver.TypeMapping);
var tableName = AttributeHelper.GetTableName(modelType, false, null);
ConcurrentDictionary <string, string> columnDdls = new ConcurrentDictionary <string, string>();
foreach (var ddl in createDdls)
{
columnDdls.TryAdd(columnNameDic[ddl.Key], ddl.Value);
}
var primaryKeyColumns = primaryKeyProps.ConvertToAll(p => columnNameDic[p]);
SqlBatch sql = dh.Driver.GetUpdateTableSql(tableName, columnDdls, primaryKeyColumns, colIndexs);
return(sql);
}