Delete unnecessary "use PDO" statement
Delete unnecessary "use PDO" statement
Adding failing test for DBAL-522

Demonstrates that NULL parameters are handled incorrectly by the sql parser utils as of 2.3.4
Applying hotfix for DBAL-522
Merge pull request #322 from doctrine/hotfix/DBAL-522-null-parameter-binding

DBAL-522 - SQLParserUtils always throws exceptions on null bound params
Merge pull request #319 from alexpods/patch-1

Delete unnecessary "use PDO" statement
[DBAL-530] Fix foreign key table not supporting "multi"-database support in Sqlite