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GORM adds deleted_at IS NULL to these queries, and SQLite, which has no table statistics here, preferred the deleted_at index to the new single-column ones wherever a column is matched against several values or compared with <. The event log's attempt load, retention's lookups of expired events and their deliveries, and the queue-depth sampler still read every live row. Each index now also covers deleted_at, first in the events index because created_at is compared with <; events keeps its created_at index for retention's final delete. A test checks SQLite's plan for each statement as GORM builds it. Model: opus-5-5
29 lines
1.2 KiB
Go
29 lines
1.2 KiB
Go
package database
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import "gorm.io/gorm"
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// DeliveryResult represents the result of a delivery attempt
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//
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//nolint:lll // a struct tag cannot wrap
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type DeliveryResult struct {
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BaseModel
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// DeliveryID and DeletedAt make up one index, in that order.
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// DeletedAt repeats the BaseModel field only to join it: GORM adds
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// "deleted_at IS NULL" to almost every query, and where a column is
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// matched against several values SQLite otherwise reads through the
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// deleted_at index, which every live row matches.
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DeliveryID string `gorm:"type:uuid;not null;index:idx_delivery_results_delivery_id,priority:1" json:"deliveryId"`
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DeletedAt gorm.DeletedAt `gorm:"index:idx_delivery_results_delivery_id,priority:2" json:"deletedAt,omitzero"`
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AttemptNum int `gorm:"not null" json:"attemptNum"`
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Success bool `json:"success"`
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StatusCode int `json:"statusCode,omitempty"`
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ResponseBody string `gorm:"type:text" json:"responseBody,omitempty"`
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Error string `json:"error,omitempty"`
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Duration int64 `json:"durationMs"` // Duration in milliseconds
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// Relations
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Delivery Delivery `json:"delivery,omitzero"`
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}
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