func runStmt(ctx context.Context, s ast.Statement, args ...interface{}) (ast.RecordSet, error) {
var err error
var rs ast.RecordSet
// before every execution, we must clear affectedrows.
variable.GetSessionVars(ctx).SetAffectedRows(0)
if s.IsDDL() {
err = ctx.CommitTxn()
if err != nil {
return nil, errors.Trace(err)
}
}
rs, err = s.Exec(ctx)
// All the history should be added here.
se := ctx.(*session)
se.history.add(0, s)
// MySQL DDL should be auto-commit.
ac, err1 := autocommit.ShouldAutocommit(ctx)
if err1 != nil {
return nil, errors.Trace(err1)
}
if s.IsDDL() || ac {
if err != nil {
log.Info("RollbackTxn for ddl/autocommit error.")
ctx.RollbackTxn()
} else {
err = ctx.CommitTxn()
}
}
return rs, errors.Trace(err)
}
func runStmt(ctx context.Context, s ast.Statement, args ...interface{}) (ast.RecordSet, error) {
var err error
var rs ast.RecordSet
// before every execution, we must clear affectedrows.
variable.GetSessionVars(ctx).SetAffectedRows(0)
if s.IsDDL() {
err = ctx.FinishTxn(false)
if err != nil {
return nil, errors.Trace(err)
}
}
rs, err = s.Exec(ctx)
// All the history should be added here.
se := ctx.(*session)
se.history.add(0, s)
// MySQL DDL should be auto-commit
if s.IsDDL() || autocommit.ShouldAutocommit(ctx) {
if err != nil {
ctx.FinishTxn(true)
} else {
err = ctx.FinishTxn(false)
}
}
return rs, errors.Trace(err)
}
// runStmt executes the ast.Statement and commit or rollback the current transaction.
func runStmt(ctx context.Context, s ast.Statement) (ast.RecordSet, error) {
var err error
var rs ast.RecordSet
if s.IsDDL() {
err = ctx.CommitTxn()
if err != nil {
return nil, errors.Trace(err)
}
}
rs, err = s.Exec(ctx)
// All the history should be added here.
se := ctx.(*session)
getHistory(ctx).add(0, s)
// MySQL DDL should be auto-commit.
if s.IsDDL() || se.sessionVars.ShouldAutocommit() {
if err != nil {
log.Info("RollbackTxn for ddl/autocommit error.")
ctx.RollbackTxn()
} else {
err = ctx.CommitTxn()
}
}
return rs, errors.Trace(err)
}
