35 lines
658 B
Go
35 lines
658 B
Go
package resources
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import (
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"context"
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"database/sql"
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"log"
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)
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func TxExhaust(ctx context.Context, db *sql.DB) {
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tx, err := db.BeginTx(ctx, nil)
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if err != nil {
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log.Println(err)
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return
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}
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if _, err = tx.ExecContext(ctx, `UPDATE users SET name = "Surl/Tesh-echer" WHERE id = 1`); err != nil {
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log.Println(err)
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return
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}
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if err = tx.Commit(); err != nil {
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log.Println(err)
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}
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}
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func TxDeadlock(ctx context.Context, db *sql.DB) {
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tx, err := db.BeginTx(ctx, nil)
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if err != nil {
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log.Fatal(err)
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}
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defer tx.Rollback()
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_, _ = db.QueryContext(ctx, "SELECT id, name FROM users")
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_, _ = db.QueryContext(ctx, "SELECT id, name FROM users")
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}
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