Error while renaming column

[mauvm]

When trying to rename a DOUBLE column an exception occurs:

CREATE TABLE `01234` (
  `foo` double(8,2) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

ALTER TABLE 01234 CHANGE foo bar DOUBLE PRECISION DEFAULT NULL;
-- Error in query (1064): Syntax error near '01234 CHANGE foo bar DOUBLE PRECISION DEFAULT NULL' at line 1 

So there are two problems here:

1. The table and column names aren't escaped, which causes problems for table names like "01234"
2. The DOUBLE precision of 8,2 is lost

This query works as expected (equal to the query for creating the column):

ALTER TABLE `01234` CHANGE `foo` `bar` DOUBLE(8,2) DEFAULT NULL;
-- OK

I'm assuming the problems lies in the DBAL package and not in Lumen 5.2 (or Laravel).

[deeky666]

This requires a failing test case using the DBAL API. Also it might be important to know which platform you are using. Generally speaking DBAL does not do auto quoting, therefore "invalid" identifiers that require explicit quoting have to be taken care of by the user.