请问有什么方法可以提升使用 sql 语句查询笔记的效率嘛

请教一下，对于像这样比较大的 sql 语句，有什么方法可以提升一下运行的效率吗？这个查询语句是用 AI 生成的，但是 AI 给出的优化好像也不明显，感觉还是好慢

WITH RECURSIVE TitleBlocks AS (
    -- 第一层，找到所有超级块 B 里的标题块（一级标题）
    SELECT b2.id, b2.content
    FROM blocks AS b2
    WHERE b2.type = 'h'  -- 标题块


        -------!!!!!【在这里修改需要汇总的书籍名字】!!!!!---------
    AND b2.markdown LIKE '%# 《亲密关系》-米勒-目录%'-- 超级块 B 的条件


    UNION ALL
    -- 后续层级，找到所有子标题块（递归查找每个标题块的 parent_id）
    SELECT b2.id, b2.content
    FROM blocks AS b2
    JOIN TitleBlocks AS tb ON b2.parent_id = tb.id  -- 递归查找 parent_id
    WHERE b2.type = 'h'  -- 继续筛选标题块
),
-- 定义 CTE FilteredBlocks 用于筛选 type 为 'i' 且包含标题块内容的记录
FilteredBlocks AS (
    SELECT b1.markdown
    FROM blocks AS b1
    JOIN TitleBlocks AS tb
        ON b1.markdown LIKE '%' || tb.content || '%'  -- 只匹配包含标题块内容的记录
    WHERE b1.type = 'i'  -- 筛选出 type 为 'i' 的块
    AND b1.markdown NOT LIKE '%00-功能测试%' 
),
-- 生成包含所有要统计类型的辅助表
Types AS (
    SELECT '精彩文案' AS type
    UNION ALL
    SELECT '重要观点' AS type
    UNION ALL
    SELECT '内容讨论' AS type
    UNION ALL
    SELECT '内容有感' AS type
),
-- 统计精彩文案数量
GreatCopywritingCount AS (
    SELECT 
        COUNT(*) AS count
    FROM blocks AS bb
    WHERE
        bb.type = 'i'
        AND bb.fcontent LIKE '%精彩文案%'
        AND bb.markdown LIKE '%精彩文案%>%'
        AND EXISTS (
            -- 通过 EXISTS 查找 FilteredBlocks 中的匹配记录
            SELECT 1
            FROM FilteredBlocks fb
            WHERE REPLACE(REPLACE(fb.markdown, '\n', ''), ' ', '') LIKE '%' || REPLACE(REPLACE(bb.markdown, '\n', ''), ' ', '') || '%'
        )
),
-- 统计重要观点数量
ImportantOpinionCount AS (
    SELECT 
        COUNT(*) AS count
    FROM blocks AS bb
    WHERE
        bb.type = 'i'
        AND bb.fcontent LIKE '%重要观点%'
        AND bb.markdown LIKE '%重要观点%>%'
        AND EXISTS (
            -- 通过 EXISTS 查找 FilteredBlocks 中的匹配记录
            SELECT 1
            FROM FilteredBlocks fb
            WHERE REPLACE(REPLACE(fb.markdown, '\n', ''), ' ', '') LIKE '%' || REPLACE(REPLACE(bb.markdown, '\n', ''), ' ', '') || '%'
        )
),
-- 统计内容讨论数量
ContentDiscussionCount AS (
    SELECT 
        COUNT(*) AS count
    FROM blocks AS bb
    WHERE
        bb.type = 'i'
        AND bb.fcontent LIKE '%内容讨论%'
        AND bb.markdown LIKE '%内容讨论%>%'
        AND EXISTS (
            -- 通过 EXISTS 查找 FilteredBlocks 中的匹配记录
            SELECT 1
            FROM FilteredBlocks fb
            WHERE REPLACE(REPLACE(fb.markdown, '\n', ''), ' ', '') LIKE '%' || REPLACE(REPLACE(bb.markdown, '\n', ''), ' ', '') || '%'
        )
),
-- 统计内容有感数量
ContentReflectionCount AS (
    SELECT 
        COUNT(*) AS count
    FROM blocks AS bb
    WHERE
        bb.type = 'i'
        AND bb.fcontent LIKE '%内容有感%'
        AND bb.markdown LIKE '%内容有感%>%'
        AND EXISTS (
            -- 通过 EXISTS 查找 FilteredBlocks 中的匹配记录
            SELECT 1
            FROM FilteredBlocks fb
            WHERE REPLACE(REPLACE(fb.markdown, '\n', ''), ' ', '') LIKE '%' || REPLACE(REPLACE(bb.markdown, '\n', ''), ' ', '') || '%'
        )
)
SELECT
    t.type AS 笔记类型,
    COALESCE(
        CASE 
            WHEN t.type = '精彩文案' THEN gcc.count
            WHEN t.type = '重要观点' THEN ioc.count
            WHEN t.type = '内容讨论' THEN cdc.count
            WHEN t.type = '内容有感' THEN crc.count
            ELSE 0
        END,
        0
    ) AS 笔记数量
FROM Types t
LEFT JOIN GreatCopywritingCount gcc ON t.type = '精彩文案'
LEFT JOIN ImportantOpinionCount ioc ON t.type = '重要观点'
LEFT JOIN ContentDiscussionCount cdc ON t.type = '内容讨论'
LEFT JOIN ContentReflectionCount crc ON t.type = '内容有感'
GROUP BY t.type;