| # 2022-10-24 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # This file implements test cases for wide table (tables with more than |
| # 64 columns) and indexes that reference columns beyond the 63rd or 64th |
| # column. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| set testprefix widetab1 |
| |
| |
| # In order to pick the better index in the following query, SQLite needs to |
| # be able to detect when an index that references later columns in a wide |
| # table is a covering index. |
| # |
| do_execsql_test 100 { |
| CREATE TABLE a( |
| a00, a01, a02, a03, a04, a05, a06, a07, a08, a09, |
| a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, |
| a20, a21, a22, a23, a24, a25, a26, a27, a28, a29, |
| a30, a31, a32, a33, a34, a35, a36, a37, a38, a39, |
| a40, a41, a42, a43, a44, a45, a46, a47, a48, a49, |
| a50, a51, a52, a53, a54, a55, a56, a57, a58, a59, |
| pd, bn, vb, bc, cn, ie, qm); |
| CREATE INDEX a1 on a(pd, bn, vb, bc, cn); -- preferred index |
| CREATE INDEX a2 on a(pd, bc, ie, qm); -- suboptimal index |
| CREATE TABLE b(bg, bc, bn, iv, ln, mg); |
| CREATE INDEX b1 on b(bn, iv, bg); |
| } |
| do_eqp_test 110 { |
| SELECT dc, count(cn) |
| FROM (SELECT coalesce(b.bg, a.bc) as dc, cn |
| FROM a LEFT JOIN b |
| ON a.bn = b.bn |
| AND CASE WHEN a.vb IS NOT NULL THEN 1 ELSE 0 END = b.iv |
| WHERE pd BETWEEN 0 AND 10) |
| GROUP BY dc; |
| } { |
| QUERY PLAN |
| |--SEARCH a USING COVERING INDEX a1 (pd>? AND pd<?) |
| |--SEARCH b USING COVERING INDEX b1 (bn=? AND iv=?) LEFT-JOIN |
| `--USE TEMP B-TREE FOR GROUP BY |
| } |
| |
| reset_db |
| do_execsql_test 200 { |
| CREATE TABLE t1( |
| c00,c01,c02,c03,c04,c05,c06,c07,c08,c09, |
| c10,c11,c12,c13,c14,c15,c16,c17,c18,c19, |
| c20,c21,c22,c23,c24,c25,c26,c27,c28,c29, |
| c30,c31,c32,c33,c34,c35,c36,c37,c38,c39, |
| c40,c41,c42,c43,c44,c45,c46,c47,c48,c49, |
| c50,c51,c52,c53,c54,c55,c56,c57,c58,c59, |
| c60,c61,c62,c63,c64,c65,c66,c67,c68,c69, |
| c70,c71,c72,c73,c74,c75,c76,c77,c78,c79, |
| c80,c81,c82,c83,c84,c85,c86,c87,c88,c89, |
| c90,c91,c92,c93,c94,c95,c96,c97,c98,c99, |
| a,b,c,d,e |
| ); |
| CREATE INDEX t1x1 on t1(c00,a,b, |
| c01,c02,c03,c04,c05,c06,c07,c08,c09, |
| c10,c11,c12,c13,c14,c15,c16,c17,c18,c19, |
| c20,c21,c22,c23,c24,c25,c26,c27,c28,c29, |
| c30,c31,c32,c33,c34,c35,c36,c37,c38,c39, |
| c40,c41,c42,c43,c44,c45,c46,c47,c48,c49, |
| c50,c51,c52,c53,c54,c55,c56,c57,c58,c59, |
| c60,c61,c62,c63,c64,c65,c66,c67,c68,c69, |
| c70,c71,c72,c73,c74,c75,c76,c77,c78,c79, |
| c80,c81,c82,c83,c84,c85,c86,c87,c88,c89, |
| c90,c91,c92,c93,c94,c00,c96,c97,c98,c99 |
| ); |
| CREATE INDEX t1cd ON t1(c,d); |
| CREATE INDEX t1x2 ON t1(c01,c02,c03,a,b); |
| WITH RECURSIVE c(x) AS (VALUES(0) UNION ALL SELECT x+1000 FROM c WHERE x<9000) |
| INSERT INTO t1 SELECT |
| x+00, x+01, x+02, x+03, x+04, x+05, x+06, x+07, x+08, x+09, |
| x+10, x+11, x+12, x+13, x+14, x+15, x+16, x+17, x+18, x+19, |
| x+20, x+21, x+22, x+23, x+24, x+25, x+26, x+27, x+28, x+29, |
| x+30, x+31, x+32, x+33, x+34, x+35, x+36, x+37, x+38, x+39, |
| x+40, x+41, x+42, x+43, x+44, x+45, x+46, x+47, x+48, x+49, |
| x+50, x+51, x+52, x+53, x+54, x+55, x+56, x+57, x+58, x+59, |
| x+60, x+61, x+62, x+63, x+64, x+65, x+66, x+67, x+68, x+69, |
| x+70, x+71, x+72, x+73, x+74, x+75, x+76, x+77, x+78, x+79, |
| x+80, x+81, x+82, x+83, x+84, x+85, x+86, x+87, x+88, x+89, |
| x+90, x+91, x+92, x+93, x+94, x+95, x+96, x+97, x+98, x+99, |
| x+100, x+101, x+102, x+103, x+104 FROM c; |
| } |
| |
| do_execsql_test 210 {SELECT sum(c62) FROM t1;} 45620 |
| do_execsql_test 220 {SELECT sum(c63) FROM t1;} 45630 |
| do_execsql_test 230 {SELECT sum(c64) FROM t1;} 45640 |
| do_execsql_test 240 {SELECT sum(c65) FROM t1;} 45650 |
| |
| do_execsql_test 300 { |
| BEGIN; |
| SELECT sum(c62) FROM t1; |
| UPDATE t1 SET c62=c62+1 WHERE c00=1000; |
| SELECT sum(c62) FROM t1; |
| } {45620 45621} |
| do_execsql_test 310 { |
| SELECT sum(c65) FROM t1; |
| UPDATE t1 SET c65=c65+1 WHERE c00=1000; |
| SELECT sum(c65) FROM t1; |
| ROLLBACK; |
| } {45650 45651} |
| |
| do_execsql_test 320 { |
| BEGIN; |
| SELECT count(*) FROM t1; |
| DELETE FROM t1 WHERE c=3102; |
| SELECT COUNT(*) FROM t1; |
| ROLLBACK; |
| } {10 9} |
| do_execsql_test 330 { |
| BEGIN; |
| SELECT count(*) FROM t1; |
| DELETE FROM t1 WHERE c=3102 AND d=3103; |
| SELECT COUNT(*) FROM t1; |
| ROLLBACK; |
| } {10 9} |
| do_execsql_test 340 { |
| BEGIN; |
| DELETE FROM t1 WHERE (c,d) IN (VALUES(3102,3103),(4102,4103),(5102,5103),(1,2)); |
| SELECT count(*) FROM t1; |
| ROLLBACK; |
| } {7} |
| |
| do_execsql_test 400 { |
| DROP INDEX t1cd; |
| DROP INDEX t1x1; |
| DROP INDEX t1x2; |
| CREATE INDEX t1x3 ON t1(c00,c05,c08); |
| } |
| do_execsql_test 410 {SELECT sum(c08) FROM t1 WHERE c00 IN (1000,5000);} 6016 |
| do_execsql_test 420 {SELECT sum(c63) FROM t1 WHERE c00 IN (1000,5000);} 6126 |
| do_execsql_test 430 {SELECT sum(c64) FROM t1 WHERE c00 IN (1000,5000);} 6128 |
| |
| do_execsql_test 500 { |
| DROP INDEX t1x3; |
| CREATE TABLE t2 AS SELECT * FROM t1; |
| CREATE INDEX t1x4 ON t1(c00, c62, a, b); |
| CREATE INDEX t2x4 ON t2(c01, c62, c63, b, c); |
| SELECT t1.b, t2.b FROM t1 JOIN t2 ON t2.c01=t1.c00+1 WHERE +t1.b<7000 |
| ORDER BY +t1.b; |
| } {101 101 1101 1101 2101 2101 3101 3101 4101 4101 5101 5101 6101 6101} |
| |
| finish_test |