ClickHouse/tests/performance/one_thousand_joins.xml

<!-- Bottlenecks in the optimizer runtime -->
<test>
    <query>
SELECT * FROM (SELECT 1 AS x) t1 JOIN (SELECT 1 AS x) t2 ON t1.x = t2.x JOIN (SELECT 1 AS x) t3 ON t1.x = t3.x JOIN (SELECT 1 AS x) t4 ON t1.x = t4.x JOIN (SELECT 1 AS x) t5 ON t1.x = t5.x JOIN (SELECT 1 AS x) t6 ON t1.x = t6.x JOIN (SELECT 1 AS x) t7 ON t1.x = t7.x JOIN (SELECT 1 AS x) t8 ON t1.x = t8.x JOIN (SELECT 1 AS x) t9 ON t1.x = t9.x JOIN (SELECT 1 AS x) t10 ON t1.x = t10.x JOIN (SELECT 1 AS x) t11 ON t1.x = t11.x JOIN (SELECT 1 AS x) t12 ON t1.x = t12.x JOIN (SELECT 1 AS x) t13 ON t1.x = t13.x JOIN (SELECT 1 AS x) t14 ON t1.x = t14.x JOIN (SELECT 1 AS x) t15 ON t1.x = t15.x JOIN (SELECT 1 AS x) t16 ON t1.x = t16.x JOIN (SELECT 1 AS x) t17 ON t1.x = t17.x JOIN (SELECT 1 AS x) t18 ON t1.x = t18.x JOIN (SELECT 1 AS x) t19 ON t1.x = t19.x JOIN (SELECT 1 AS x) t20 ON t1.x = t20.x JOIN (SELECT 1 AS x) t21 ON t1.x = t21.x JOIN (SELECT 1 AS x) t22 ON t1.x = t22.x JOIN (SELECT 1 AS x) t23 ON t1.x = t23.x JOIN (SELECT 1 AS x) t24 ON t1.x = t24.x JOIN (SELECT 1 AS x) t25 ON t1.x = t25.x JOIN (SELECT 1 AS x) t26 ON t1.x = t26.x JOIN (SELECT 1 AS x) t27 ON t1.x = t27.x JOIN (SELECT 1 AS x) t28 ON t1.x = t28.x JOIN (SELECT 1 AS x) t29 ON t1.x = t29.x JOIN (SELECT 1 AS x) t30 ON t1.x = t30.x JOIN (SELECT 1 AS x) t31 ON t1.x = t31.x JOIN (SELECT 1 AS x) t32 ON t1.x = t32.x JOIN (SELECT 1 AS x) t33 ON t1.x = t33.x JOIN (SELECT 1 AS x) t34 ON t1.x = t34.x JOIN (SELECT 1 AS x) t35 ON t1.x = t35.x JOIN (SELECT 1 AS x) t36 ON t1.x = t36.x JOIN (SELECT 1 AS x) t37 ON t1.x = t37.x JOIN (SELECT 1 AS x) t38 ON t1.x = t38.x JOIN (SELECT 1 AS x) t39 ON t1.x = t39.x JOIN (SELECT 1 AS x) t40 ON t1.x = t40.x JOIN (SELECT 1 AS x) t41 ON t1.x = t41.x JOIN (SELECT 1 AS x) t42 ON t1.x = t42.x JOIN (SELECT 1 AS x) t43 ON t1.x = t43.x JOIN (SELECT 1 AS x) t44 ON t1.x = t44.x JOIN (SELECT 1 AS x) t45 ON t1.x = t45.x JOIN (SELECT 1 AS x) t46 ON t1.x = t46.x JOIN (SELECT 1 AS x) t47 ON t1.x = t47.x JOIN (SELECT 1 AS x) t48 ON t1.x = t48.x JOIN (SELECT 1 AS x) t49 ON t1.x = t49.x JOIN (SELECT 1 AS x) t50 ON t1.x = t50.x JOIN (SELECT 1 AS x) t51 ON t1.x = t51.x JOIN (SELECT 1 AS x) t52 ON t1.x = t52.x JOIN (SELECT 1 AS x) t53 ON t1.x = t53.x JOIN (SELECT 1 AS x) t54 ON t1.x = t54.x JOIN (SELECT 1 AS x) t55 ON t1.x = t55.x JOIN (SELECT 1 AS x) t56 ON t1.x = t56.x JOIN (SELECT 1 AS x) t57 ON t1.x = t57.x JOIN (SELECT 1 AS x) t58 ON t1.x = t58.x JOIN (SELECT 1 AS x) t59 ON t1.x = t59.x JOIN (SELECT 1 AS x) t60 ON t1.x = t60.x JOIN (SELECT 1 AS x) t61 ON t1.x = t61.x JOIN (SELECT 1 AS x) t62 ON t1.x = t62.x JOIN (SELECT 1 AS x) t63 ON t1.x = t63.x JOIN (SELECT 1 AS x) t64 ON t1.x = t64.x JOIN (SELECT 1 AS x) t65 ON t1.x = t65.x JOIN (SELECT 1 AS x) t66 ON t1.x = t66.x JOIN (SELECT 1 AS x) t67 ON t1.x = t67.x JOIN (SELECT 1 AS x) t68 ON t1.x = t68.x JOIN (SELECT 1 AS x) t69 ON t1.x = t69.x JOIN (SELECT 1 AS x) t70 ON t1.x = t70.x JOIN (SELECT 1 AS x) t71 ON t1.x = t71.x JOIN (SELECT 1 AS x) t72 ON t1.x = t72.x JOIN (SELECT 1 AS x) t73 ON t1.x = t73.x JOIN (SELECT 1 AS x) t74 ON t1.x = t74.x JOIN (SELECT 1 AS x) t75 ON t1.x = t75.x JOIN (SELECT 1 AS x) t76 ON t1.x = t76.x JOIN (SELECT 1 AS x) t77 ON t1.x = t77.x JOIN (SELECT 1 AS x) t78 ON t1.x = t78.x JOIN (SELECT 1 AS x) t79 ON t1.x = t79.x JOIN (SELECT 1 AS x) t80 ON t1.x = t80.x JOIN (SELECT 1 AS x) t81 ON t1.x = t81.x JOIN (SELECT 1 AS x) t82 ON t1.x = t82.x JOIN (SELECT 1 AS x) t83 ON t1.x = t83.x JOIN (SELECT 1 AS x) t84 ON t1.x = t84.x JOIN (SELECT 1 AS x) t85 ON t1.x = t85.x JOIN (SELECT 1 AS x) t86 ON t1.x = t86.x JOIN (SELECT 1 AS x) t87 ON t1.x = t87.x JOIN (SELECT 1 AS x) t88 ON t1.x = t88.x JOIN (SELECT 1 AS x) t89 ON t1.x = t89.x JOIN (SELECT 1 AS x) t90 ON t1.x = t90.x JOIN (SELECT 1 AS x) t91 ON t1.x = t91.x JOIN (SELECT 1 AS x) t92 ON t1.x = t92.x JOIN (SELECT 1 AS x) t93 ON t1.x = t93.x JOIN (SELECT 1 AS x) t94 ON t1.x = t94.x JOIN (SELECT 1 AS x) t95 ON t1.x = t95.x JOIN (SELECT 1 AS x) t96 ON t1.x = t96.x JOIN (SELECT 1 AS x) t97 ON t1.x = t97.x JOIN (SELECT 1 AS x) t98 ON t1.x = t98.x JOIN (SELECT 1 AS x) t99 ON t1.x = t99.x JOIN (SELECT 1 AS x) t100 ON t1.x = t100.x JOIN (SELECT 1 AS
    </query>
</test>