mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-16 11:28:45 +00:00
142 lines
4.3 KiB
Plaintext
142 lines
4.3 KiB
Plaintext
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CREATE TABLE t1(a,b);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<1000)
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INSERT INTO t1(a,b) SELECT 1, (x*17)%1000 + 1000 FROM c;
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INSERT INTO t1(a,b) VALUES(2,2),(3,1006),(4,4),(5,9999);
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CREATE INDEX t1ab ON t1(a,b);
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SELECT a, b, '|' FROM t1 WHERE a IN (2,4,5,3,1) ORDER BY b LIMIT 5;
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SELECT a, b, '|' FROM t1 WHERE a IN (2,4,5,3,1) ORDER BY +b LIMIT 5;
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CREATE TABLE t2(x,y);
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INSERT INTO t2(x,y) VALUES('a',1),('a',2),('a',3),('a',4);
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INSERT INTO t2(x,y) VALUES('b',1),('c',2),('d',3),('e',4);
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CREATE INDEX t2xy ON t2(x,y);
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SELECT a, b, '|' FROM t2, t1 WHERE t2.x='a' AND t1.a=t2.y ORDER BY t1.b LIMIT 5;
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SELECT a, b, '|' FROM t2, t1 WHERE t2.x='a' AND t1.a=t2.y ORDER BY +t1.b LIMIT 5;
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DROP INDEX t1ab;
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CREATE INDEX t1ab ON t1(a,b DESC);
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SELECT a, b, '|' FROM t1 WHERE a IN (2,4,5,3,1) ORDER BY b DESC LIMIT 5;
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SELECT a, b, '|' FROM t1 WHERE a IN (2,4,5,3,1) ORDER BY +b DESC LIMIT 5;
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CREATE TABLE t200(a, b);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<1000)
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INSERT INTO t200(a,b) SELECT x, x FROM c;
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CREATE TABLE t201(x INTEGER PRIMARY KEY, y);
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INSERT INTO t201(x,y) VALUES(2,12345);
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SELECT *, '|' FROM t200, t201 WHERE x=b ORDER BY y LIMIT 3;
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SELECT *, '|' FROM t200 LEFT JOIN t201 ON x=b ORDER BY y LIMIT 3;
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CREATE TABLE t300(a,b,c);
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CREATE INDEX t300x ON t300(a,b,c);
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INSERT INTO t300 VALUES(0,1,99),(0,1,0),(0,0,0);
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SELECT *,'.' FROM t300 WHERE a=0 AND (c=0 OR c=99) ORDER BY c DESC;
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SELECT *,'.' FROM t300 WHERE a=0 AND (c=0 OR c=99) ORDER BY c DESC LIMIT 1;
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CREATE TABLE t400(a,b);
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CREATE INDEX t400_ab ON t400(a,b);
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INSERT INTO t400(a,b) VALUES(1,90),(1,40),(2,80),(2,30),(3,70),(3,20);
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SELECT *,'x' FROM t400 WHERE a IN (1,2,3) ORDER BY b DESC LIMIT 3;
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SELECT *,'y' FROM t400 WHERE a IN (1,2,3) ORDER BY +b DESC LIMIT 3;
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CREATE TABLE t500(i INTEGER PRIMARY KEY, j);
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INSERT INTO t500 VALUES(1, 1);
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INSERT INTO t500 VALUES(2, 2);
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INSERT INTO t500 VALUES(3, 3);
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INSERT INTO t500 VALUES(4, 0);
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INSERT INTO t500 VALUES(5, 5);
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SELECT j FROM t500 WHERE i IN (1,2,3,4,5) ORDER BY j DESC LIMIT 3;
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CREATE TABLE t501(i INTEGER PRIMARY KEY, j);
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INSERT INTO t501 VALUES(1, 5);
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INSERT INTO t501 VALUES(2, 4);
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INSERT INTO t501 VALUES(3, 3);
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INSERT INTO t501 VALUES(4, 6);
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INSERT INTO t501 VALUES(5, 1);
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SELECT j FROM t501 WHERE i IN (1,2,3,4,5) ORDER BY j LIMIT 3;
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CREATE TABLE t502(i INT PRIMARY KEY, j);
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INSERT INTO t502 VALUES(1, 5);
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INSERT INTO t502 VALUES(2, 4);
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INSERT INTO t502 VALUES(3, 3);
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INSERT INTO t502 VALUES(4, 6);
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INSERT INTO t502 VALUES(5, 1);
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SELECT j FROM t502 WHERE i IN (1,2,3,4,5) ORDER BY j LIMIT 3;
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a, b); INSERT INTO t1 VALUES(1,2);
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t2(x, y); INSERT INTO t2 VALUES(1,3);
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CREATE INDEX t1ab ON t1(a,b);
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SELECT y FROM t1, t2 WHERE a=x AND b<=y ORDER BY b DESC;
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t1(aa VARCHAR PRIMARY KEY NOT NULL,bb,cc,x VARCHAR(400));
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INSERT INTO t1(aa,bb,cc) VALUES('maroon','meal','lecture');
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INSERT INTO t1(aa,bb,cc) VALUES('reality','meal','catsear');
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CREATE TABLE t2(aa VARCHAR PRIMARY KEY, dd INT DEFAULT 1, ee, x VARCHAR(100));
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INSERT INTO t2(aa,dd,ee) VALUES('maroon',0,'travel'),('reality',0,'hour');
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CREATE INDEX t2x1 ON t2(dd,ee);
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ANALYZE;
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DROP TABLE IF EXISTS sqlite_stat4;
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DELETE FROM sqlite_stat1;
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INSERT INTO sqlite_stat1 VALUES
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('t2','t2x1','3 3 3'),
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('t2','sqlite_autoindex_t2_1','3 1'),
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('t1','sqlite_autoindex_t1_1','2 1');
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ANALYZE sqlite_master;
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SELECT *
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FROM t1 LEFT JOIN t2 ON t1.aa=t2.aa
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WHERE t1.bb='meal'
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ORDER BY t2.dd DESC
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LIMIT 1;
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t1(aa, bb);
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INSERT INTO t1 VALUES('maroon','meal');
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CREATE TABLE t2(cc, dd, ee, x VARCHAR(100));
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INSERT INTO t2(cc,dd,ee) VALUES('maroon',1,'one');
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INSERT INTO t2(cc,dd,ee) VALUES('maroon',2,'two');
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INSERT INTO t2(cc,dd,ee) VALUES('maroon',0,'zero');
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CREATE INDEX t2ddee ON t2(dd,ee);
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CREATE INDEX t2cc ON t2(cc);
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ANALYZE;
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SELECT t2.cc, t2.dd, t2.ee FROM t1 CROSS JOIN t2 ON t1.aa=t2.cc
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ORDER BY t2.dd LIMIT 1;
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SELECT t2.cc, t2.dd, t2.ee FROM t1 CROSS JOIN t2 ON t1.aa=t2.cc
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WHERE t1.bb='meal'
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ORDER BY t2.dd LIMIT 1;
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