/
autocommit.go
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/
autocommit.go
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// Copyright 2022 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package analyzer
import (
"github.com/dolthub/go-mysql-server/sql"
"github.com/dolthub/go-mysql-server/sql/plan"
"github.com/dolthub/go-mysql-server/sql/transform"
)
// addAutocommitNode wraps each query with a TransactionCommittingNode.
func addAutocommitNode(ctx *sql.Context, a *Analyzer, n sql.Node, scope *plan.Scope, sel RuleSelector) (sql.Node, transform.TreeIdentity, error) {
if !n.Resolved() {
return n, transform.SameTree, nil
}
// TODO: This is a bit of a hack. Need to figure out better relationship between new transaction node and warnings.
if hasShowWarningsNode(n) {
return n, transform.SameTree, nil
}
return plan.NewTransactionCommittingNode(n), transform.NewTree, nil
}
func hasShowWarningsNode(n sql.Node) bool {
var ret bool
transform.Inspect(n, func(n sql.Node) bool {
if _, ok := n.(plan.ShowWarnings); ok {
ret = true
return false
}
return true
})
return ret
}