…open.

…ite the table from `bookstore`.

…s. Better for debugging.

…cessing it in getForeignTable().

…be unique.

…earch_path`. Fixed `atthasdef` check - it should be boolean.

…er that adds the `group by` SQL in Criteria's `createSelectSql`.

PostgreSQL needs to have all selected columns (without aggregate functions) in the `group by` statement.
This fix fills up all selected columns that aren't in the group by statement yet.
Fixed also missing `use`.

…ml to standalone shell scripts.

Added the PostgreSQL phpunit call.
Removed also --dev since it's the default now in composer.

In detail:
 - added at mysql tests the `mysql` group.
 - fixed some object creations where some fields have no value (but required). that throws otherwise a NOTNULL constraint error in databases that do now automatically converts not-existing values (in inserts) into empty-strings (as mysql it does in NN columns)
 - fixed the test of namespace tests.
 - wrap the most expected SQL strings with a method that converts the SQL to the current db (replaces the quoteIdentifier)

…bash.

…t have full bash.