CoverageSqliteData._file_id: fall back to SELECT
CoverageSqliteData._file_id: fall back to SELECT

Fixes https://github.com/nedbat/coveragepy/issues/702

hugovk/coveragepy,hugovk/coveragepy,nedbat/coveragepy,nedbat/coveragepy,hugovk/coveragepy,nedbat/coveragepy,hugovk/coveragepy,nedbat/coveragepy,hugovk/coveragepy,nedbat/coveragepy