github.com/cockroachdb/cockroachdb-parser@v0.23.3-0.20240213214944-911057d40c9a/pkg/sql/types/types_jsonpb.go (about)

     1  // Copyright 2015 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package types
    12  
    13  import (
    14  	"bytes"
    15  
    16  	"github.com/gogo/protobuf/jsonpb"
    17  )
    18  
    19  // This file contains logic to allow the *types.T to properly marshal to json.
    20  // It is a separate file to make it straightforward to defeat the linter that
    21  // refuses to allow one to call a method Marshal unless it's protoutil.Marshal.
    22  
    23  // MarshalJSONPB marshals the T to json. This is necessary as otherwise
    24  // this field will be lost to the crdb_internal.pb_to_json and the likes.
    25  func (t *T) MarshalJSONPB(marshaler *jsonpb.Marshaler) ([]byte, error) {
    26  	temp := *t
    27  	if err := temp.downgradeType(); err != nil {
    28  		return nil, err
    29  	}
    30  	var buf bytes.Buffer
    31  	if err := marshaler.Marshal(&buf, &temp.InternalType); err != nil {
    32  		return nil, err
    33  	}
    34  	return buf.Bytes(), nil
    35  }
    36  
    37  // UnmarshalJSONPB unmarshals the T to json. This is necessary as otherwise
    38  // this field will be lost to the crdb_internal.json_to_pb and the likes.
    39  func (t *T) UnmarshalJSONPB(unmarshaler *jsonpb.Unmarshaler, data []byte) error {
    40  	if err := unmarshaler.Unmarshal(bytes.NewReader(data), &t.InternalType); err != nil {
    41  		return err
    42  	}
    43  	return t.upgradeType()
    44  }