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history_node.go
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history_node.go
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// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
//
// Copyright (c) 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 sqlplugin
import (
"context"
"database/sql"
"go.temporal.io/server/common/primitives"
)
type (
// HistoryNodeRow represents a row in history_node table
HistoryNodeRow struct {
ShardID int32
TreeID primitives.UUID
BranchID primitives.UUID
NodeID int64
PrevTxnID int64
TxnID int64
Data []byte
DataEncoding string
}
// HistoryNodeSelectFilter contains the column names within history_node table that
// can be used to filter results through a WHERE clause
HistoryNodeSelectFilter struct {
ShardID int32
TreeID primitives.UUID
BranchID primitives.UUID
MinNodeID int64
MaxNodeID int64
PageSize int
}
// HistoryNodeDeleteFilter contains the column names within history_node table that
// can be used to filter results through a WHERE clause
HistoryNodeDeleteFilter struct {
ShardID int32
TreeID primitives.UUID
BranchID primitives.UUID
MinNodeID int64
}
// HistoryNode is the SQL persistence interface for history nodes
HistoryNode interface {
InsertIntoHistoryNode(ctx context.Context, row *HistoryNodeRow) (sql.Result, error)
SelectFromHistoryNode(ctx context.Context, filter HistoryNodeSelectFilter) ([]HistoryNodeRow, error)
DeleteFromHistoryNode(ctx context.Context, filter HistoryNodeDeleteFilter) (sql.Result, error)
}
)