project.sqlite now holds both what QElectroTech keeps in its project
database (the index D2 wrote as index.sqlite) and the document's
engineering data, the latter's tables named doc_<name> beside the
former's -- element, element_info, link and conductor exist in both
(QetContainerDb's SQL names them as before; Database::sql() puts the
prefix on). The manifest says format 3, min-reader 3: a format 2 reader
would find no tables of its names. Format 2 files, with or without an
index.sqlite entry, are read as before: the prefix is found from the
file (doc_meta).
A .qetz with an index opens from project.sqlite. Measured: the 136-folio
f2099 1.8 s, 5.2 MB (the two table sets still overlap: D3b).
Checked: tst_qetcontainer with the format 3 names, 34/34; a format 2 file
of the last commit opens from its index.sqlite and saves the same; corpus
342: 340 .qetz carry the index in project.sqlite and open from it, saved
back = eager = master on all 342. ctest 96/96 with and without
QET_LAZY_FOLIOS=1.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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