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optimized becca loader with raw queries

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zadam
2021-07-24 21:10:16 +02:00
parent 5c4369206a
commit e003341dff
4 changed files with 138 additions and 70 deletions
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15
src/becca/becca_loader.js
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@@ -25,16 +25,19 @@ function load() {
const start = Date.now();
becca.reset();
for (const row of sql.iterateRows(`SELECT noteId, title, type, mime, isProtected, dateCreated, dateModified, utcDateCreated, utcDateModified FROM notes`, [])) {
new Note(row);
// using raw query and passing arrays to avoid allocating new objects
// this is worth it for becca load since it happens every run and blocks the app until finished
for (const row of sql.getRawRows(`SELECT noteId, title, type, mime, isProtected, dateCreated, dateModified, utcDateCreated, utcDateModified FROM notes WHERE isDeleted = 0`, [])) {
new Note().update(row).init();
}
for (const row of sql.iterateRows(`SELECT branchId, noteId, parentNoteId, prefix, notePosition, isExpanded, utcDateModified FROM branches WHERE isDeleted = 0`, [])) {
new Branch(row);
for (const row of sql.getRawRows(`SELECT branchId, noteId, parentNoteId, prefix, notePosition, isExpanded, utcDateModified FROM branches WHERE isDeleted = 0`, [])) {
new Branch().update(row).init();
}
for (const row of sql.iterateRows(`SELECT attributeId, noteId, type, name, value, isInheritable, position, utcDateModified FROM attributes WHERE isDeleted = 0`, [])) {
new Attribute(row);
for (const row of sql.getRawRows(`SELECT attributeId, noteId, type, name, value, isInheritable, position, utcDateModified FROM attributes WHERE isDeleted = 0`, [])) {
new Attribute().update(row).init();
}
for (const row of sql.getRows(`SELECT name, value, isSynced, utcDateModified FROM options`)) {