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Scan for empty book series more efficiently

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Selfhost Alt 2023-09-14 22:35:33 -07:00
parent ab97a9d613
commit 8b39b01269
1 changed files with 9 additions and 1 deletions
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10
server/Database.js
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@ -684,7 +684,15 @@ class Database {
// Remove empty series // Remove empty series
const emptySeries = await this.seriesModel.findAll({ const emptySeries = await this.seriesModel.findAll({
where: Sequelize.where(Sequelize.literal(`(SELECT count(*) FROM bookSeries bs WHERE bs.seriesId = series.id)`), 0) attributes: ['series.id', 'series.name', [this.sequelize.fn('COUNT', '*'), 'book_count']],
include: [
{
model: this.bookSeriesModel,
required: false
}
],
group:["series.id", 'series.name'],
having: { 'book_count': 0 }
}) })
for (const series of emptySeries) { for (const series of emptySeries) {
Logger.warn(`Found series "${series.name}" with no books - removing it`) Logger.warn(`Found series "${series.name}" with no books - removing it`)