Further optimize getConversationMessageStats
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1c22fe653c
commit
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1 changed files with 24 additions and 15 deletions
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@ -2735,35 +2735,44 @@ function getLastConversationPreview({
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conversationId: string;
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includeStoryReplies: boolean;
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}): MessageType | undefined {
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type Row = Readonly<{
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json: string;
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received_at: number;
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sent_at: number;
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}>;
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const db = getInstance();
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const row = prepare(
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db,
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`
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SELECT json FROM messages
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const queryTemplate = (extraClause: string): string => {
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return `
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SELECT json, received_at, sent_at FROM messages
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INDEXED BY messages_preview
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WHERE
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conversationId IS $conversationId AND
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shouldAffectPreview IS 1 AND
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isGroupLeaveEventFromOther IS 0 AND
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${includeStoryReplies ? '' : 'storyId IS NULL AND'}
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(
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expiresAt IS NULL
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OR
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expiresAt > $now
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)
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${extraClause}
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ORDER BY received_at DESC, sent_at DESC
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LIMIT 1
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`;
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};
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const row: Row | undefined = prepare(
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db,
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`
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SELECT * FROM (${queryTemplate('expiresAt IS NULL')})
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UNION ALL
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SELECT * FROM (${queryTemplate('expiresAt > $now')})
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ORDER BY received_at DESC, sent_at DESC
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LIMIT 1;
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`
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`
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).get({
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conversationId,
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now: Date.now(),
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});
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if (!row) {
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return undefined;
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}
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return jsonToObject(row.json);
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return row ? jsonToObject(row.json) : undefined;
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}
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async function getConversationMessageStats({
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