... in many places where the function call will later need to be between
modules (or libraries, or the executable) and the annotation will be a necessity
to keep the linkage working on Windows.
That's all that this sweeping commit does.
... Logging data from the wild shows that the SELECT query in
ProjectFileIO::CheckVersion() returned SQLITE_BUSY sometimes.
A plausible explanation is that the concurrently starting checkpoint thread
was sometimes creating a new connection simultaneously.
Instead, serialize the creation of the two connections in the main thread and
pass the second one ready made into the checkpoint thread.
Several improvements in determining how much actual disk space a
sampleblock uses. This allows us to provide how much space will
be recovered when using File -> Compact Project.
In addition, the History window now provides better space estimates.
* DBConnection doesn't use ProjectFileIO or need friendship...
... Instead, it is given its own weak_ptr to the project
* Demote the bypass flag into DBConnection...
... So SqliteSampleBlock needs ProjectFileIO only to get the DBConnection
* Accessor functions for the connection objects for SqliteSampleBlock
* Another level of indirection to get to the DBConnection object...
... The document holds the unique_ptr to DBConnection in an attached object;
later we want the SqliteSampleBlockFactory to locate the same pointer without
using ProjectFileIO
* SqliteSampleBlock and its factory don't use class ProjectFileIO...
... Instead they share a pointer to the pointer to the current DBConnection.
This means they no longer know how to invoke the lazy opening of that
connection.
So just require that this be done before any operations on blocks happen. If
it hasn't, throw and let the application recover.
* ProjectFileIO no longer needs weak_ptr to Project for safety...
... so eliminate much ugliness from 127696879d
* Move DBConnection to new files...
... And SqliteSampleBlock does not depend on ProjectFileIO.
* SampleBlock.h doesn't need ClientData.h
* Function ProjectFileIO::Conn() isn't needed
Paul Licameli
James Crook
Leland Lucius
Paul Licameli
Dmitry Vedenko
freddii