HTN20190109 https://blog.hatena.ne.jp/HTN20190109/ HTN20190109の日記 https://htn20190109.hatenablog.com/ DB MySQL (8.0.29)調べた限り上限はない模様実際には100万件程度が上限の模様 前提：CPU2コア、メモリ4Gtab1の件数=1 vim /etc/my.cnf max_allowed_packet = 1Ginnodb_buffer_pool_size = 2G : > a.sql echo "select 1 from tab1" >> a.sqlecho "where col1 in (1" >> a.sqlfor k in {1..10}; do for i in {1..1000000}; do echo ",1" done >> a.sqldone echo ");" >>… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2022%2F08%2F20%2F131339" title="IN句上限 - HTN20190109の日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2022-08-20 13:13:39 rich https://htn20190109.hatenablog.com/entry/2022/08/20/131339 1.0 100%