mirror of
https://github.com/featurebasedb/featurebase.git
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51 lines
1.6 KiB
Go
51 lines
1.6 KiB
Go
// Copyright 2020 Pilosa Corp.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package server
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import (
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"context"
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"github.com/pilosa/pilosa/v2"
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"github.com/pilosa/pilosa/v2/logger"
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pb "github.com/pilosa/pilosa/v2/proto"
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"github.com/pilosa/pilosa/v2/sql"
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"github.com/pkg/errors"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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func execSQL(ctx context.Context, api *pilosa.API, logger logger.Logger, queryStr string) (pb.StreamClient, error) {
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mapper := sql.NewMapper()
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mapper.Logger = logger
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query, err := mapper.MapSQL(queryStr)
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if err != nil {
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return nil, errors.Wrap(err, "failed to map SQL")
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}
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var results pb.StreamClient
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switch query.SQLType {
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case sql.SQLTypeSelect:
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handler := sql.NewSelectHandler(api)
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results, err = handler.Handle(ctx, query)
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case sql.SQLTypeShow:
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handler := sql.NewShowHandler(api)
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results, err = handler.Handle(ctx, query)
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case sql.SQLTypeEmpty:
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handler := sql.NewDDLHandler(api)
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results, err = handler.Handle(ctx, query)
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default:
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return nil, status.Errorf(codes.Unimplemented, "query type not supported")
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}
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return results, errors.Wrap(err, "failed to start SQL query")
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}
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