Make SqlPlatform::tableNameWithAlias() include the unqualified table
name as an alias if doing so is not redundant. This assures that the
default alias from JoinGroupBase::addJoin(), equal to the unqualified
table name, will be usable in SQL (regardless of table prefixes).
Clean up use of identifier quotes for sqlite_master tables. The called
methods expect unqualified names and a passthrough exception already
exists for sqlite_* tables.
Use "block_target.bt_user" directly in ApiQueryBlocks and BlockPager,
instead of using addIdentifierQuotes(). The "block_target" alias is
automatically added to the SQL by the rdbms layer when it's not clearly
redundant, so it is always safe to use block_target.bt_user. Also, there
is no reason for aliases to include quote characters. They are supposed
to be simple alphanumerics like column names. This makes it easy for
tableNameWithAlias() to avoid redundant aliases by checking tableName().
Avoid unneeded quotes around pg_catalog.* table names in the Postgres
installer. The relevant documentation of methods like selectField() is
that the table names be unqualified (no quotes nor dots), though dots
are still supported internally for compatibility reasons and ease of
querying schemas like pg_catalog and information_schema.
Change-Id: Ic7d7826da31f49915141692cb3bd84ed1e872e96
4659cbcccc