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https://github.com/tursodatabase/libsql.git
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ad79ef48a2
* add tests * add bench
205 lines
4.6 KiB
Plaintext
205 lines
4.6 KiB
Plaintext
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 'one');
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INSERT INTO t1 VALUES(2, 'two');
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INSERT INTO t1 VALUES(3, 'three');
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CREATE INDEX i1 ON t1(b || 'x');
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SELECT 'TWOX' == (b || 'x') FROM t1 WHERE (b || 'x')>'onex'
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SELECT 'TWOX' == (b || 'x') COLLATE nocase FROM t1 WHERE (b || 'x')>'onex'
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CREATE INDEX i2 ON t1(a+1);
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SELECT a+1, quote(a+1) FROM t1 ORDER BY 1;
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CREATE TABLE t1(a, b);
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CREATE INDEX i1 ON t1(a, b);
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CREATE TABLE t2(x);
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INSERT INTO t2 VALUES('.ABC');
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INSERT INTO t2 VALUES('.abcd');
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INSERT INTO t2 VALUES('.defg');
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INSERT INTO t2 VALUES('.DEF');
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SELECT x FROM t2 ORDER BY substr(x, 2) COLLATE nocase;
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CREATE INDEX i2 ON t2( substr(x, 2) );
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SELECT x FROM t2 ORDER BY substr(x, 2) COLLATE nocase;
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CREATE TABLE t3(x);
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CREATE INDEX i3 ON t3(json_extract(x, '$.a'), json_extract(x, '$.b'));
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CREATE TABLE t4(a, b);
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INSERT INTO t4 VALUES('.ABC', 1);
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INSERT INTO t4 VALUES('.abc', 2);
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INSERT INTO t4 VALUES('.ABC', 3);
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INSERT INTO t4 VALUES('.abc', 4);
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SELECT * FROM t4
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WHERE substr(a, 2) = 'abc' COLLATE NOCASE
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ORDER BY substr(a, 2), b;
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CREATE INDEX i4 ON t4( substr(a, 2) COLLATE NOCASE, b );
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SELECT * FROM t4
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WHERE substr(a, 2) = 'abc' COLLATE NOCASE
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ORDER BY substr(a, 2), b;
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DROP INDEX i4;
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UPDATE t4 SET a = printf('%s%d',a,b);
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE binary;
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CREATE INDEX i4 ON t4( Substr(a,-2) COLLATE nocase );
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
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EXPLAIN QUERY PLAN
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE binary;
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CREATE TABLE t2(a,b,c,d,e,f);
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INSERT INTO t2 VALUES(2,3,4,5,6,7);
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CREATE INDEX t2abc ON t2(a+b+c);
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CREATE INDEX t2cd ON t2(c*d);
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CREATE INDEX t2def ON t2(d,e+25*f);
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SELECT sqlite_master.name
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FROM sqlite_master, explain('UPDATE t2 SET b=b+1')
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WHERE explain.opcode LIKE 'Open%'
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AND sqlite_master.rootpage=explain.p2
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ORDER BY 1;
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SELECT sqlite_master.name
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FROM sqlite_master, explain('UPDATE t2 SET c=c+1')
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WHERE explain.opcode LIKE 'Open%'
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AND sqlite_master.rootpage=explain.p2
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ORDER BY 1;
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SELECT sqlite_master.name
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FROM sqlite_master, explain('UPDATE t2 SET c=c+1, f=NULL')
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WHERE explain.opcode LIKE 'Open%'
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AND sqlite_master.rootpage=explain.p2
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ORDER BY 1;
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CREATE TABLE t5(a INTEGER, b INTEGER);
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INSERT INTO t5 VALUES(2, 4), (3, 9);
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SELECT * FROM t5 WHERE abs(a)=2 or abs(b)=9;
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CREATE INDEX t5a ON t5( abs(a) );
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CREATE INDEX t5b ON t5( abs(b) );
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SELECT * FROM t5 WHERE abs(a)=2 or abs(b)=9;
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CREATE TABLE x1(a INTEGER PRIMARY KEY, b);
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INSERT INTO x1 VALUES
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(1, 123), (2, '123'), (3, '123abc'), (4, 123.0), (5, 1234);
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SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
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CREATE INDEX x1i ON x1( CAST(b AS INTEGER) );
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SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
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SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
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CREATE INDEX x1i2 ON x1( CAST(b AS TEXT) );
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SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
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CREATE TABLE IF NOT EXISTS t0(c0);
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INSERT INTO t0(c0) VALUES (-9223372036854775808);
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BEGIN;
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COMMIT;
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SELECT sql FROM sqlite_master WHERE tbl_name = 't0';
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CREATE INDEX i0 ON t0(c0);
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REINDEX;
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CREATE TABLE t0(c0);
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CREATE INDEX i0 ON t0(c0) WHERE c0 NOT NULL;
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INSERT INTO t0(c0) VALUES (NULL);
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SELECT * FROM t0 WHERE ~('' BETWEEN t0.c0 AND TRUE);
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SELECT ~('' BETWEEN t0.c0 AND TRUE) FROM t0;
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2), (3, 4);
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CREATE TABLE t2(x, y);
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CREATE TABLE t1(a INT, b INT);
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CREATE INDEX t1x ON t1(a, abs(b));
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CREATE TABLE t2(c INT, d INT);
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INSERT INTO t1(a,b) VALUES(4,4),(5,-5),(5,20),(6,6);
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INSERT INTO t2(c,d) VALUES(100,1),(200,1),(300,2);
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SELECT *,
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(SELECT max(c+abs(b)) FROM t2 GROUP BY d ORDER BY d LIMIT 1) AS subq
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FROM t1 WHERE a=5;
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT);
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CREATE INDEX t1x ON t1 (b, +b COLLATE NOCASE);
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INSERT INTO t1(a,b) VALUES(1,'abcde');
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SELECT * FROM t1 AS a0
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WHERE (SELECT count(a0.b=+a0.b COLLATE NOCASE IN (b)) FROM t1 GROUP BY 2.5)
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ORDER BY a0.b;
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CREATE TABLE t2(a TEXT);
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INSERT INTO t2 VALUES('alice'),('bob'),('cindy'),('david');
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CREATE INDEX t2x ON t2 (+a COLLATE NOCASE);
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SELECT count(+a COLLATE NOCASE IN (SELECT 1)) AS x
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FROM t2
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GROUP BY SUBSTR(0,0);
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CREATE TABLE t3 (a INT, b AS (-a));
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CREATE INDEX t3x ON t3(b, a);
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INSERT INTO t3(a) VALUES(44);
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SELECT * FROM t3 AS a0
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WHERE (SELECT sum(-a0.a=b) FROM t3 GROUP BY b)
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GROUP BY b;
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