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configstore.go
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configstore.go
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// The MIT License (MIT)
// Copyright (c) 2017-2020 Uber Technologies Inc.
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package mysql
import (
"context"
"github.com/uber/cadence/common"
"github.com/uber/cadence/common/persistence"
"github.com/uber/cadence/common/persistence/sql/sqlplugin"
)
const (
_selectLatestConfigQuery = "SELECT row_type, version, timestamp, data, data_encoding FROM cluster_config WHERE row_type = ? ORDER BY version LIMIT 1;"
_insertConfigQuery = "INSERT INTO cluster_config (row_type, version, timestamp, data, data_encoding) VALUES(?, ?, ?, ?, ?)"
)
func (mdb *db) InsertConfig(ctx context.Context, row *persistence.InternalConfigStoreEntry) error {
_, err := mdb.driver.ExecContext(ctx, sqlplugin.DbDefaultShard, _insertConfigQuery, row.RowType, -1*row.Version, mdb.converter.ToMySQLDateTime(row.Timestamp), row.Values.Data, row.Values.Encoding)
return err
}
func (mdb *db) SelectLatestConfig(ctx context.Context, rowType int) (*persistence.InternalConfigStoreEntry, error) {
var row sqlplugin.ClusterConfigRow
err := mdb.driver.GetContext(ctx, sqlplugin.DbDefaultShard, &row, _selectLatestConfigQuery, rowType)
if err != nil {
return nil, err
}
row.Version *= -1
return &persistence.InternalConfigStoreEntry{
RowType: row.RowType,
Version: row.Version,
Timestamp: mdb.converter.FromMySQLDateTime(row.Timestamp),
Values: &persistence.DataBlob{
Data: row.Data,
Encoding: common.EncodingType(row.DataEncoding),
},
}, nil
}