Keep each fact once in a .qetz: drop the stored project database

A .qetz held the engineering data twice: the document's tables, and
beside them QElectroTech's own project database (stage D2/D3), which
QElectroTech also builds from the document. Two copies of one fact can
disagree, and the copy cost a third of the file. Now project.sqlite holds
the document's tables only; QElectroTech builds its own project database
from them when the project opens, as it does for a .qet.

Measured (this build, lazy folios):
  industrial (50 folios): 620 -> 374 KB, open 0.37 -> 0.65 s
  f2099/nuri (136 folios): 3.27 -> 2.20 MB, open 2.2 -> 3.5 s
The same projects as .qet open in 3.3 s and 23 s.

Saving still copies the file of every folio not built, with its rows
(stage D4): the project keeps the part each folio was read from. nuri
opened and saved again: 6.3 s, no folio built, the same bytes.

A symbol's terminal list is left out of the folio file when every
folio, symbol and wire has a uuid of its own, now checked on the
document (QetContainer::ownUuids()) rather than by the stored database
being written.

Checked: 342 corpus projects open, .qetz -> .qet equals the plain
resave, a .qetz saved twice gives the same bytes; tst_lazyfolios,
tst_qetcontainer, tst_resaveunchanged (which now checks project.sqlite
holds only the document's tables).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
ispyisail
2026-10-14 07:35:34 +13:00
parent 39855e1bb5
commit c259cae429
14 changed files with 165 additions and 842 deletions
-11
View File
@@ -166,17 +166,6 @@ class projectDataBase : public QObject
void setBuildingFolio(bool building);
bool isBuildingFolio() const {return m_building_folios > 0;}
bool rowsFromDocument() const {return m_rows_from_document;}
QString schemaStamp() const;
/// A drawn table of a folio and the table it continues
struct FolioTable { QUuid table; QUuid folio; QUuid previous; };
QByteArray indexFile(const QList<std::pair<QUuid, QString>> &folio_headers,
const QList<FolioTable> &tables = QList<FolioTable>());
void discardFill();
/// The tables are right as they are (filled from an index)
void markCurrent() {m_content_changed = false;}
bool fillFromIndex(const QByteArray &index, QList<std::pair<QUuid, QString>> *folio_headers,
QString *why = nullptr,
std::optional<QList<FolioTable>> *folio_tables = nullptr);
QString prefillReport() const;
QSet<QUuid> foliosWithUnjoinedWires() const;
QSet<QUuid> folioUuidsOfElements(const QSet<QUuid> &elements) const;