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拉取历史信息时，处理中间几个月时间没有消息的情况，最长间隔时24个月

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This commit is contained in:
imhao183
2020-10-22 08:09:48 +08:00
parent 52bbf57760
commit 06bcfea16e
1 changed files with 16 additions and 8 deletions
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broker/src/main/java/io/moquette/persistence/DatabaseStore.java
+16 -8
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@@ -755,14 +755,22 @@ public class DatabaseStore {
long[] before = new long[1]; long[] before = new long[1];
before[0] = beforeUid; before[0] = beforeUid;
boolean hasMore = loadRemoteMessagesFromTable(user, conversation, before, count, MessageShardingUtil.getMessageTable(beforeUid), messages); boolean hasMore = loadRemoteMessagesFromTable(user, conversation, before, count, MessageShardingUtil.getMessageTable(beforeUid), messages);
if (messages.size() < count) { while (messages.size() < count && hasMore) {
if (hasMore) { hasMore = loadRemoteMessagesFromTable(user, conversation, before, count - messages.size(), MessageShardingUtil.getMessageTable(beforeUid), messages);
loadRemoteMessagesFromTable(user, conversation, before, count - messages.size(), MessageShardingUtil.getMessageTable(beforeUid), messages); }
} else {
String nexTable = MessageShardingUtil.getPreviousMessageTable(before[0]); int month = 0;
if (!StringUtil.isNullOrEmpty(nexTable)) { while (messages.size() < count && !DBUtil.IsEmbedDB && month++ < 24) {
loadRemoteMessagesFromTable(user, conversation, before, count - messages.size(), nexTable, messages); String nexTable = MessageShardingUtil.getPreviousMessageTable(before[0]);
}
int size = messages.size();
hasMore = true;
while (size == messages.size() && hasMore) {
hasMore = loadRemoteMessagesFromTable(user, conversation, before, count - messages.size(), nexTable, messages);
}
if (size < messages.size()) {
break;
} }
} }