41 lines
1004 B
Go
41 lines
1004 B
Go
package db
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import (
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"time"
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"crypto-miner-server/internal/models"
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)
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// PurgeHashrateSamplesBefore deletes samples older than cutoff.
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func (d *Database) PurgeHashrateSamplesBefore(cutoff time.Time) (int64, error) {
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res, err := d.Exec("DELETE FROM hashrate_samples WHERE timestamp < ?", cutoff)
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if err != nil {
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return 0, err
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}
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return res.RowsAffected()
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}
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// ListBuildsOlderThan returns build records created before cutoff.
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func (d *Database) ListBuildsOlderThan(cutoff time.Time) ([]*models.BuildRecord, error) {
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rows, err := d.Query(`SELECT `+buildSelectCols+` FROM builds WHERE created_at < ?`, cutoff)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var out []*models.BuildRecord
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for rows.Next() {
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b, err := scanBuild(rows)
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if err != nil {
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return nil, err
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}
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out = append(out, b)
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}
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return out, nil
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}
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// DeleteBuild removes a build record by id.
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func (d *Database) DeleteBuild(id string) error {
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_, err := d.Exec("DELETE FROM builds WHERE id = ?", id)
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return err
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}
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