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Revert "database/sql: Use Tx.ctx in Tx non-context methods"

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This reverts commit ef0f7fb92b.

Reason for revert: Altered behavior of Queries prior to Tx commit. See #20631.

Change-Id: I2548507c2935a7c60b92aae377dcc8e9aca66331
Reviewed-on: https://go-review.googlesource.com/45231
Run-TryBot: Daniel Theophanes <kardianos@gmail.com>
Reviewed-by: Bulat Gaifullin <gaifullinbf@gmail.com>
Reviewed-by: Michael Hudson-Doyle <michael.hudson@canonical.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Daniel Theophanes 2017-06-09 18:45:46 +00:00 committed by Brad Fitzpatrick
parent 0e9d293db7
commit 3820191839
2 changed files with 5 additions and 34 deletions
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10
src/database/sql/sql.go
View File

@ -1830,7 +1830,7 @@ func (tx *Tx) PrepareContext(ctx context.Context, query string) (*Stmt, error) {
//
// To use an existing prepared statement on this transaction, see Tx.Stmt.
func (tx *Tx) Prepare(query string) (*Stmt, error) {
return tx.PrepareContext(tx.ctx, query)
return tx.PrepareContext(context.Background(), query)
}
// StmtContext returns a transaction-specific prepared statement from
@ -1928,7 +1928,7 @@ func (tx *Tx) StmtContext(ctx context.Context, stmt *Stmt) *Stmt {
// The returned statement operates within the transaction and will be closed
// when the transaction has been committed or rolled back.
func (tx *Tx) Stmt(stmt *Stmt) *Stmt {
return tx.StmtContext(tx.ctx, stmt)
return tx.StmtContext(context.Background(), stmt)
}
// ExecContext executes a query that doesn't return rows.
@ -1947,7 +1947,7 @@ func (tx *Tx) ExecContext(ctx context.Context, query string, args ...interface{}
// Exec executes a query that doesn't return rows.
// For example: an INSERT and UPDATE.
func (tx *Tx) Exec(query string, args ...interface{}) (Result, error) {
return tx.ExecContext(tx.ctx, query, args...)
return tx.ExecContext(context.Background(), query, args...)
}
// QueryContext executes a query that returns rows, typically a SELECT.
@ -1965,7 +1965,7 @@ func (tx *Tx) QueryContext(ctx context.Context, query string, args ...interface{
// Query executes a query that returns rows, typically a SELECT.
func (tx *Tx) Query(query string, args ...interface{}) (*Rows, error) {
return tx.QueryContext(tx.ctx, query, args...)
return tx.QueryContext(context.Background(), query, args...)
}
// QueryRowContext executes a query that is expected to return at most one row.
@ -1980,7 +1980,7 @@ func (tx *Tx) QueryRowContext(ctx context.Context, query string, args ...interfa
// QueryRow always returns a non-nil value. Errors are deferred until
// Row's Scan method is called.
func (tx *Tx) QueryRow(query string, args ...interface{}) *Row {
return tx.QueryRowContext(tx.ctx, query, args...)
return tx.QueryRowContext(context.Background(), query, args...)
}
// connStmt is a prepared statement on a particular connection.

29
src/database/sql/sql_test.go
View File

@ -439,35 +439,6 @@ func TestTxContextWait(t *testing.T) {
waitForFree(t, db, 5*time.Second, 0)
}
// TestTxUsesContext tests the transaction behavior when the tx was created by context,
// but for query execution used methods without context
func TestTxUsesContext(t *testing.T) {
db := newTestDB(t, "people")
defer closeDB(t, db)
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Millisecond)
defer cancel()
tx, err := db.BeginTx(ctx, nil)
if err != nil {
// Guard against the context being canceled before BeginTx completes.
if err == context.DeadlineExceeded {
t.Skip("tx context canceled prior to first use")
}
t.Fatal(err)
}
// This will trigger the *fakeConn.Prepare method which will take time
// performing the query. The ctxDriverPrepare func will check the context
// after this and close the rows and return an error.
_, err = tx.Query("WAIT|1s|SELECT|people|age,name|")
if err != context.DeadlineExceeded {
t.Fatalf("expected QueryContext to error with context deadline exceeded but returned %v", err)
}
waitForFree(t, db, 5*time.Second, 0)
}
func TestMultiResultSetQuery(t *testing.T) {
db := newTestDB(t, "people")
defer closeDB(t, db)