[DoctrineExtra] fix mysql import file by using mysql directly #498

Job	Run time
After Split Testing of application	41s
After Split Testing of aws-tool-kit	44s
After Split Testing of console	41s
After Split Testing of core	40s
After Split Testing of doctrine-extra	47s
After Split Testing of entity-migrator	39s
After Split Testing of fixer	1m 18s
After Split Testing of framework-extra-bundle	1m 43s
After Split Testing of log	47s
After Split Testing of mailer	49s
After Split Testing of messenger	42s
After Split Testing of open-api	2m 28s
After Split Testing of process	47s
After Split Testing of profiling	39s
After Split Testing of security	57s
After Split Testing of sonata-integration-bundle	55s
After Split Testing of sonata-extra-bundle	53s
After Split Testing of tester	39s
After Split Testing of tester-bundle	42s
After Split Testing of user-bundle	48s
After Split Testing of validator	39s
After Split Testing of workflow	49s
	19m 47s

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