30 lines
727 B
Go
30 lines
727 B
Go
// Package database define database operation functions
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package database
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import (
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"context"
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"time"
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"modelRT/orm"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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// QueryMeasurementByID return the result of query circuit diagram component measurement info by id from postgresDB
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func QueryMeasurementByID(ctx context.Context, tx *gorm.DB, id int64) (orm.Measurement, error) {
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var component orm.Measurement
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// ctx超时判断
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cancelCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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result := tx.WithContext(cancelCtx).
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Where("id = ?", id).
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Clauses(clause.Locking{Strength: "UPDATE"}).
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First(&component)
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if result.Error != nil {
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return orm.Measurement{}, result.Error
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}
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return component, nil
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}
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