This avoids slave lag and makes query time account easier.
It also avoids table-level autoinc locking and slave drift
with statement-based replication in some setups.
Also refactored the use of $wgCommandLine mode in
DatabaseBase slightly, so that it can be injected.
Change-Id: I2dba6024ecf32c9ee24a3080cce3b02568c1458b
* All callers are calling it this way and it breaks
hhvm when declared statically and called dynamically.
Change-Id: I894e615fd828615384aa8457a16a759c8aa416ef
Created a DatabaseTestHelper class, which extends DatabaseBase and
implements STUBs for the interface methods and abstract methods
Change-Id: I9965b3604e78b2722077a35a7b4ce62a5bcb370e
