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52 lines
1.5 KiB
Go
52 lines
1.5 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethdb
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type tableBatch struct {
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batch Batch
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prefix string
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}
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// NewTableBatch returns a Batch object which prefixes all keys with a given string.
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func NewTableBatch(db Database, prefix string) Batch {
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return &tableBatch{db.NewBatch(), prefix}
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}
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func (dt *table) NewBatch() Batch {
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return &tableBatch{dt.db.NewBatch(), dt.prefix}
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}
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func (tb *tableBatch) Put(key, value []byte) error {
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return tb.batch.Put(append([]byte(tb.prefix), key...), value)
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}
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func (tb *tableBatch) Delete(key []byte) error {
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return tb.batch.Delete(append([]byte(tb.prefix), key...))
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}
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func (tb *tableBatch) Write() error {
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return tb.batch.Write()
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}
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func (tb *tableBatch) ValueSize() int {
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return tb.batch.ValueSize()
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}
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func (tb *tableBatch) Reset() {
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tb.batch.Reset()
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}
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