github.com/matrixorigin/matrixone@v1.2.0/pkg/udf/types.go (about)

     1  // Copyright 2023 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package udf
    16  
    17  import (
    18  	"context"
    19  	"io"
    20  )
    21  
    22  const (
    23  	LanguagePython = "python"
    24  )
    25  
    26  // Service handle non-sql udf in cn
    27  type Service interface {
    28  	Language() string
    29  	Run(ctx context.Context, request *Request, pkgReader PkgReader) (*Response, error)
    30  }
    31  
    32  // PkgReader read udf package from storage
    33  type PkgReader interface {
    34  	Get(ctx context.Context, path string) (reader io.ReadCloser, err error)
    35  }
    36  
    37  // PkgUploader upload udf package to storage
    38  type PkgUploader interface {
    39  	Upload(ctx context.Context, localPath string, storageDir string) (storagePath string, err error)
    40  }