mirror of https://github.com/status-im/consul.git
37 lines
752 B
Go
37 lines
752 B
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: BUSL-1.1
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package inmem
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import "github.com/hashicorp/go-memdb"
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type meta struct {
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Key string
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Value any
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}
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func incrementEventIndex(tx *memdb.Txn) (uint64, error) {
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idx, err := currentEventIndex(tx)
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if err != nil {
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return 0, err
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}
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idx++
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if err := tx.Insert(tableNameMetadata, meta{Key: metaKeyEventIndex, Value: idx}); err != nil {
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return 0, nil
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}
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return idx, nil
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}
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func currentEventIndex(tx *memdb.Txn) (uint64, error) {
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v, err := tx.First(tableNameMetadata, indexNameID, metaKeyEventIndex)
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if err != nil {
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return 0, err
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}
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if v == nil {
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// 0 and 1 index are reserved for special use in the stream package.
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return 2, nil
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}
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return v.(meta).Value.(uint64), nil
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}
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