mirror of
https://github.com/tursodatabase/libsql.git
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110 lines
3.5 KiB
Plaintext
110 lines
3.5 KiB
Plaintext
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CREATE TABLE a(
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a00, a01, a02, a03, a04, a05, a06, a07, a08, a09,
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a10, a11, a12, a13, a14, a15, a16, a17, a18, a19,
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a20, a21, a22, a23, a24, a25, a26, a27, a28, a29,
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a30, a31, a32, a33, a34, a35, a36, a37, a38, a39,
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a40, a41, a42, a43, a44, a45, a46, a47, a48, a49,
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a50, a51, a52, a53, a54, a55, a56, a57, a58, a59,
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pd, bn, vb, bc, cn, ie, qm);
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CREATE INDEX a1 on a(pd, bn, vb, bc, cn); -- preferred index
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CREATE INDEX a2 on a(pd, bc, ie, qm); -- suboptimal index
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CREATE TABLE b(bg, bc, bn, iv, ln, mg);
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CREATE INDEX b1 on b(bn, iv, bg);
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CREATE TABLE t1(
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c00,c01,c02,c03,c04,c05,c06,c07,c08,c09,
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c10,c11,c12,c13,c14,c15,c16,c17,c18,c19,
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c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,
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c30,c31,c32,c33,c34,c35,c36,c37,c38,c39,
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c40,c41,c42,c43,c44,c45,c46,c47,c48,c49,
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c50,c51,c52,c53,c54,c55,c56,c57,c58,c59,
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c60,c61,c62,c63,c64,c65,c66,c67,c68,c69,
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c70,c71,c72,c73,c74,c75,c76,c77,c78,c79,
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c80,c81,c82,c83,c84,c85,c86,c87,c88,c89,
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c90,c91,c92,c93,c94,c95,c96,c97,c98,c99,
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a,b,c,d,e
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);
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CREATE INDEX t1x1 on t1(c00,a,b,
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c01,c02,c03,c04,c05,c06,c07,c08,c09,
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c10,c11,c12,c13,c14,c15,c16,c17,c18,c19,
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c20,c21,c22,c23,c24,c25,c26,c27,c28,c29,
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c30,c31,c32,c33,c34,c35,c36,c37,c38,c39,
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c40,c41,c42,c43,c44,c45,c46,c47,c48,c49,
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c50,c51,c52,c53,c54,c55,c56,c57,c58,c59,
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c60,c61,c62,c63,c64,c65,c66,c67,c68,c69,
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c70,c71,c72,c73,c74,c75,c76,c77,c78,c79,
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c80,c81,c82,c83,c84,c85,c86,c87,c88,c89,
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c90,c91,c92,c93,c94,c00,c96,c97,c98,c99
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);
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CREATE INDEX t1cd ON t1(c,d);
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CREATE INDEX t1x2 ON t1(c01,c02,c03,a,b);
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WITH RECURSIVE c(x) AS (VALUES(0) UNION ALL SELECT x+1000 FROM c WHERE x<9000)
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INSERT INTO t1 SELECT
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x+00, x+01, x+02, x+03, x+04, x+05, x+06, x+07, x+08, x+09,
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x+10, x+11, x+12, x+13, x+14, x+15, x+16, x+17, x+18, x+19,
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x+20, x+21, x+22, x+23, x+24, x+25, x+26, x+27, x+28, x+29,
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x+30, x+31, x+32, x+33, x+34, x+35, x+36, x+37, x+38, x+39,
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x+40, x+41, x+42, x+43, x+44, x+45, x+46, x+47, x+48, x+49,
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x+50, x+51, x+52, x+53, x+54, x+55, x+56, x+57, x+58, x+59,
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x+60, x+61, x+62, x+63, x+64, x+65, x+66, x+67, x+68, x+69,
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x+70, x+71, x+72, x+73, x+74, x+75, x+76, x+77, x+78, x+79,
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x+80, x+81, x+82, x+83, x+84, x+85, x+86, x+87, x+88, x+89,
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x+90, x+91, x+92, x+93, x+94, x+95, x+96, x+97, x+98, x+99,
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x+100, x+101, x+102, x+103, x+104 FROM c;
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SELECT sum(c62) FROM t1;
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SELECT sum(c63) FROM t1;
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SELECT sum(c64) FROM t1;
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SELECT sum(c65) FROM t1;
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BEGIN;
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SELECT sum(c62) FROM t1;
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UPDATE t1 SET c62=c62+1 WHERE c00=1000;
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SELECT sum(c62) FROM t1;
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SELECT sum(c65) FROM t1;
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UPDATE t1 SET c65=c65+1 WHERE c00=1000;
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SELECT sum(c65) FROM t1;
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ROLLBACK;
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BEGIN;
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SELECT count(*) FROM t1;
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DELETE FROM t1 WHERE c=3102;
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SELECT COUNT(*) FROM t1;
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ROLLBACK;
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BEGIN;
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SELECT count(*) FROM t1;
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DELETE FROM t1 WHERE c=3102 AND d=3103;
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SELECT COUNT(*) FROM t1;
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ROLLBACK;
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BEGIN;
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DELETE FROM t1 WHERE (c,d) IN (VALUES(3102,3103),(4102,4103),(5102,5103),(1,2));
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SELECT count(*) FROM t1;
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ROLLBACK;
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DROP INDEX t1cd;
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DROP INDEX t1x1;
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DROP INDEX t1x2;
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CREATE INDEX t1x3 ON t1(c00,c05,c08);
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SELECT sum(c08) FROM t1 WHERE c00 IN (1000,5000);
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SELECT sum(c63) FROM t1 WHERE c00 IN (1000,5000);
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SELECT sum(c64) FROM t1 WHERE c00 IN (1000,5000);
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DROP INDEX t1x3;
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CREATE TABLE t2 AS SELECT * FROM t1;
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CREATE INDEX t1x4 ON t1(c00, c62, a, b);
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CREATE INDEX t2x4 ON t2(c01, c62, c63, b, c);
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SELECT t1.b, t2.b FROM t1 JOIN t2 ON t2.c01=t1.c00+1 WHERE +t1.b<7000
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ORDER BY +t1.b;
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