mirror of
https://github.com/featurebasedb/featurebase.git
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39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
// Copyright 2022 Molecula Corp. (DBA FeatureBase).
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// SPDX-License-Identifier: Apache-2.0
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package server
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import (
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"context"
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pilosa "github.com/featurebasedb/featurebase/v3"
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"github.com/featurebasedb/featurebase/v3/logger"
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pb "github.com/featurebasedb/featurebase/v3/proto"
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"github.com/featurebasedb/featurebase/v3/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.ToRowser, 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.ToRowser
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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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