Revert "debug check_mysql"

This reverts commit 04dc569fdb534f933e64408a30ca6457e79d3e2e.
Revert "debug check_mysql"

This reverts commit 6ab4d028b40894ad1085f393454ae7627c9e4ecb.
Revert "Check_mysql"

This reverts commit db6b51fe476e784d157e0fc97277c3f2725fb25a.