ct_change_tmp.setSchemaName(schemaName);
ct_change_tmp.setTableName(tableName);
for (ColumnConfig column : createColumns) {
ct_change_tmp.addColumn(column);
}
statements.addAll(Arrays.asList(ct_change_tmp.generateStatements(database)));
// copy rows to temporary table
statements.addAll(Arrays.asList(new CopyRowsStatement(temp_table_name, tableName, copyColumns)));
// delete original table
statements.addAll(Arrays.asList(new DropTableStatement(catalogName, schemaName, temp_table_name, false)));
// validate indices