/
msg_dropdatabase.go
71 lines (58 loc) · 1.87 KB
/
msg_dropdatabase.go
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// Copyright 2021 FerretDB 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 pg
import (
"context"
"errors"
"github.com/jackc/pgx/v4"
"github.com/FerretDB/FerretDB/internal/handlers/common"
"github.com/FerretDB/FerretDB/internal/handlers/pg/pgdb"
"github.com/FerretDB/FerretDB/internal/types"
"github.com/FerretDB/FerretDB/internal/util/lazyerrors"
"github.com/FerretDB/FerretDB/internal/util/must"
"github.com/FerretDB/FerretDB/internal/wire"
)
// MsgDropDatabase implements HandlerInterface.
func (h *Handler) MsgDropDatabase(ctx context.Context, msg *wire.OpMsg) (*wire.OpMsg, error) {
document, err := msg.Document()
if err != nil {
return nil, lazyerrors.Error(err)
}
common.Ignored(document, h.L, "writeConcern", "comment")
var db string
if db, err = common.GetRequiredParam[string](document, "$db"); err != nil {
return nil, err
}
res := must.NotFail(types.NewDocument())
err = h.PgPool.InTransaction(ctx, func(tx pgx.Tx) error {
return pgdb.DropDatabase(ctx, tx, db)
})
switch {
case err == nil:
res.Set("dropped", db)
case errors.Is(err, pgdb.ErrSchemaNotExist):
// nothing
default:
return nil, lazyerrors.Error(err)
}
res.Set("ok", float64(1))
var reply wire.OpMsg
err = reply.SetSections(wire.OpMsgSection{
Documents: []*types.Document{res},
})
if err != nil {
return nil, lazyerrors.Error(err)
}
return &reply, nil
}