502 lines
9.9 KiB
SQL
502 lines
9.9 KiB
SQL
creATE VIRTUAL TABLE t0 USING fts3("x", "y", "z");
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DROP TABLE t0;
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---
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CREATE VIRTUAL TABLE t0 USING fts4("x", "y", "z");
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DROP TABLE t0;
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---
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CREATE TEMPORARY TABLE t0(x, y, z);
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SELECT -99999999999999999999999999999999999999999999999999;
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SELECT * FROM sqlite_temp_master WHERE sql GLOB '000[]***';
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DROP TABLE t0;
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---
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SELECT 0x0ACB29BM205381;
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SELECT sqlite_compileoption_used('我的天你是怎么了');
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SELECT 1 >> -999999999999999999999999999;
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SELECT sqlite_compileoption_get($1);
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SELECT sqlite_version();
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---
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CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
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INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
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INSERT INTO t1 VALUES (2, 'von', 20, 200);
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INSERT INTO t1 VALUES (3, 'Braun', 30, 300);
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CREATE INDEX t1bc ON t1(b, c);
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PRAGMA writable_schema = ON;
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.imposter t1bc t2
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SELECT * FROM t2;
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SELECT b, c FROM t1 ORDER BY b, c;
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.quit
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---
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CREATE TABLE T (
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a INTEGER,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES (1,'a',1.25), (2,'b',-3.5), (3,'c',9e999);
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WITH d AS (SELECT * FROM T) SELECT * FROM d WHERE c > 0;
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---
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CREATE TABLE T (
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a INTEGER,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES (1,'a',3.14), (1,'b',-7.75), (2,'c',-9e999);
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SELECT b,a,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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---
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CREATE TABLE T (
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a INTEGER,
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b TEXT,
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c INTEGER
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);
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INSERT INTO T VALUES (1,'a',NULL), (2,'b',1), (3,'c',2);
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WITH RECURSIVE d(a,b,c,e) AS (
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SELECT *,1 FROM T WHERE c IS NULL
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UNION ALL
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SELECT T.a,T.b,T.c,d.e+1
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FROM T JOIN d ON T.c=d.a
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)
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SELECT * FROM d;
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---
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',1.5), ('a','c',-2.25), ('b','b',4.75);
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SELECT a,
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SUM(CASE WHEN b='b' THEN c ELSE 0 END) AS d,
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SUM(CASE WHEN b='c' THEN c ELSE 0 END) AS e
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FROM T
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GROUP BY a;
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---
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CREATE TABLE T (
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a TEXT,
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b REAL
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);
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INSERT INTO T VALUES ('a',100.0), ('b',-200.5), ('c',9e999);
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SELECT a,b,
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LEAD(b,1) OVER (ORDER BY b DESC) AS c,
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NTILE(2) OVER (ORDER BY b DESC) AS d FROM T;
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---
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CREATE TABLE T (
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a INTEGER,
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b REAL,
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c REAL
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);
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INSERT INTO T VALUES (1,2.0,10.5), (1,-3.5,20.25), (2,9e999,-1.0);
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WITH d AS (SELECT a,SUM(b*c) AS e FROM T GROUP BY a) SELECT * FROM d;
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---
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',5.0), ('a','c',5.0), ('b','d',-8.25);
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SELECT a,b,c,
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RANK() OVER (PARTITION BY a ORDER BY c DESC) AS d FROM T;
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---
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CREATE TABLE T1 (
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a INTEGER,
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b TEXT
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);
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CREATE TABLE T2 (
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a INTEGER,
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b TEXT
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);
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INSERT INTO T1 VALUES (1,'a'),(2,'b');
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INSERT INTO T2 VALUES (1,'c'),(1,'d');
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SELECT T1.b,
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(
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SELECT GROUP_CONCAT(b,',')
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FROM T2
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WHERE T2.a=T1.a
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) AS c
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FROM T1;
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---
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CREATE TABLE T (
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a TEXT,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES ('a','b',1.0), ('a','c',-1.0), ('b','d',0.0);
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SELECT
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COALESCE(a,'e') AS d,
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COALESCE(b,'f') AS e,
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SUM(c) AS f
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FROM T
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GROUP BY a,b;
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---
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CREATE TABLE T (
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a INTEGER,
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b REAL
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);
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INSERT INTO T VALUES (1,1.5), (2,-2.5), (3,0.0);
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CREATE INDEX c
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ON T(b);
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SELECT * FROM T WHERE b >= -2.5 AND b < 2.0;
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---
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CREATE TABLE T (
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a TEXT,
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b TEXT
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);
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INSERT INTO T VALUES ('a','2020-01-01'), ('b','2026-01-01');
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SELECT a,
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CAST(
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(julianday('now')-julianday(b))/365.25
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AS INTEGER
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) AS c
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FROM T;
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---
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CREATE TABLE T (
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a INTEGER,
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b TEXT,
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c REAL
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);
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INSERT INTO T VALUES (1,'a',1.25), (2,'b',-3.5), (3,'c',0.0);
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SELECT * FROM T WHERE c < 2.0 ORDER BY c;
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---
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CREATE TABLE T (
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a TEXT,
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b INTEGER,
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c REAL
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);
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INSERT INTO T VALUES ('a',1,2.0), ('a',2,-3.0), ('b',1,4.5);
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SELECT a,b,c,
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SUM(c) OVER (
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PARTITION BY a
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ORDER BY b
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) AS d
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FROM T;
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---
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CREATE TABLE T1 (
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a INTEGER,
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b REAL
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);
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CREATE TABLE T2 (
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a INTEGER,
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b REAL
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);
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INSERT INTO T1 VALUES (1,1.0);
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INSERT INTO T2 VALUES (1,-1.0),(2,9e999);
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INSERT OR REPLACE INTO T1
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SELECT * FROM T2;
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SELECT * FROM T1;
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---
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CREATE VIRTUAL TABLE T
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USING fts5(a,b);
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INSERT INTO T VALUES ('a','b c'), ('d','e f');
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SELECT a,b FROM T WHERE T MATCH 'b';
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---
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CREATE TABLE T (
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a TEXT,
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b TEXT
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);
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INSERT INTO T VALUES ('a','b'), ('c','d');
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SELECT * FROM T WHERE a = REPLACE('a;',';','') AND b = 'b';
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---
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CREATE TABLE T (
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a INTEGER,
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b REAL,
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c REAL
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);
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INSERT INTO T VALUES (1,1.5,10.0), (2,-2.5,20.0), (3,-9e999,30.0);
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SELECT * FROM T WHERE b < 2.0 ORDER BY b;
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---
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CREATE TABLE T (
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a INTEGER,
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b REAL
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);
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INSERT INTO T VALUES (1,1.5), (2,-7.25), (3,0.0);
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SELECT a,b FROM T WHERE a >= 2 ORDER BY b;
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---
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CREATE TABLE T (
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a INTEGER,
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b TEXT,
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c REAL,
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d REAL
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);
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INSERT INTO T VALUES (1,'a',40.5,-70.0), (2,'b',-10.25,20.5), (3,'c',9e999,-9e999);
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SELECT b FROM T WHERE ABS(c) > 5 AND ABS(d) > 5;
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---
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CREATE TABLE T (
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A VARCHAR(15) PRIMARY KEY,
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B VARCHAR(30) NOT NULL,
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C BIGINT UNIQUE
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);
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INSERT INTO T VALUES ('a', 'x', -9223372036854775808);
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INSERT INTO T VALUES ('b', 'y', -1000000);
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INSERT INTO T VALUES ('c', 'y', 0);
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INSERT INTO T VALUES ('d', 'y', 42);
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INSERT INTO T VALUES ('e', 'x', 9223372036854775807);
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INSERT INTO T VALUES ('f', 'z', 2147483648);
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SELECT * FROM T WHERE C > 0 ORDER BY C DESC;
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---
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CREATE TABLE T (
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A VARCHAR(20),
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B VARCHAR(30),
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C VARCHAR(30),
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PRIMARY KEY (A, B),
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UNIQUE (A, C)
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);
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INSERT INTO T VALUES ('a', 'p', 'x');
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INSERT INTO T VALUES ('a', 'q', 'y');
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INSERT INTO T VALUES ('b', 'p', 'z');
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INSERT INTO T VALUES ('c', 'r', 'w');
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INSERT INTO T VALUES ('d', 's', 'v');
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SELECT A, COUNT(DISTINCT B) AS D FROM T GROUP BY A HAVING COUNT(DISTINCT B) >= 1;
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---
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CREATE TABLE T (
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A VARCHAR(10) PRIMARY KEY,
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B VARCHAR(15) NOT NULL,
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C DOUBLE PRECISION
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);
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INSERT INTO T VALUES ('a', 'p', -1.7976931348623157e+308);
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INSERT INTO T VALUES ('b', 'q', -0.000000001);
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INSERT INTO T VALUES ('c', 'r', 0.0);
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INSERT INTO T VALUES ('d', 's', 3.14159265358979);
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INSERT INTO T VALUES ('e', 't', 1.7976931348623157e+308);
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INSERT INTO T VALUES ('f', 't', 750.25);
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SELECT B, AVG(C) AS D, MIN(C) AS E, MAX(C) AS F FROM T GROUP BY B;
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---
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CREATE TABLE T (
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A VARCHAR(10) PRIMARY KEY,
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B VARCHAR(15),
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C BIGINT,
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UNIQUE (B, C)
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);
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INSERT INTO T VALUES ('a', 'p', -9223372036854775808);
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INSERT INTO T VALUES ('b', 'q', 4000);
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INSERT INTO T VALUES ('c', 'r', 1700);
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INSERT INTO T VALUES ('d', 'r', 9223372036854775807);
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INSERT INTO T VALUES ('e', 's', 0);
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SELECT A, C FROM T WHERE C > 1200 AND C < 9999999999 ORDER BY C;
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---
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CREATE TABLE T (
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A VARCHAR(20),
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B VARCHAR(10),
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C INTEGER,
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PRIMARY KEY (A, B)
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);
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INSERT INTO T VALUES ('a', 'p', -2147483648);
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INSERT INTO T VALUES ('b', 'q', 100);
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INSERT INTO T VALUES ('b', 'r', 200);
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INSERT INTO T VALUES ('c', 's', 300);
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INSERT INTO T VALUES ('d', 't', 2147483647);
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INSERT INTO T VALUES ('b', 't', 50);
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SELECT A, COUNT(*) AS D, SUM(C) AS E FROM T GROUP BY A HAVING COUNT(*) > 1;
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---
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CREATE TABLE T (
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A VARCHAR(20),
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B VARCHAR(10),
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PRIMARY KEY (A, B)
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);
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INSERT INTO T VALUES ('a', 'p');
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INSERT INTO T VALUES ('a', 'q');
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INSERT INTO T VALUES ('b', 'q');
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INSERT INTO T VALUES ('c', 'r');
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INSERT INTO T VALUES ('b', 'r');
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INSERT INTO T VALUES ('b', 't');
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SELECT B, COUNT(DISTINCT A) AS D FROM T GROUP BY B ORDER BY D DESC, B ASC;
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---
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CREATE TABLE T1 (
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A VARCHAR(15) PRIMARY KEY,
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B VARCHAR(30) NOT NULL UNIQUE
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);
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CREATE TABLE T2 (
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A VARCHAR(10) PRIMARY KEY,
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X VARCHAR(15) NOT NULL,
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C BIGINT,
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FOREIGN KEY (X) REFERENCES T1(A)
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);
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INSERT INTO T1 VALUES ('p', 'x');
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INSERT INTO T1 VALUES ('q', 'y');
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INSERT INTO T2 VALUES ('a', 'p', 9223372036854775807);
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INSERT INTO T2 VALUES ('b', 'q', -9223372036854775808);
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SELECT X, SUM(C) AS D, COUNT(*) AS E FROM T2 GROUP BY X;
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---
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CREATE TABLE T1 (
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A VARCHAR(10) PRIMARY KEY,
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B VARCHAR(15) UNIQUE,
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C INTEGER
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);
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CREATE TABLE T2 (
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X VARCHAR(20) PRIMARY KEY,
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A VARCHAR(10) NOT NULL UNIQUE,
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FOREIGN KEY (A) REFERENCES T1(A)
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);
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INSERT INTO T1 VALUES ('a', 'p', -2147483648);
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INSERT INTO T1 VALUES ('b', 'q', 2147483647);
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INSERT INTO T2 VALUES ('m', 'a');
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INSERT INTO T2 VALUES ('n', 'b');
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SELECT T2.X, T1.B, T1.C FROM T2, T1 WHERE T2.A = T1.A AND T1.C >= 0;
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---
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CREATE TABLE T1 (
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A VARCHAR(10) PRIMARY KEY,
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B VARCHAR(15) UNIQUE,
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C BIGINT
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);
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CREATE TABLE T2 (
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X VARCHAR(20) PRIMARY KEY,
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A VARCHAR(10),
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FOREIGN KEY (A) REFERENCES T1(A)
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);
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INSERT INTO T1 VALUES ('a', 'p', 9999999999999);
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INSERT INTO T1 VALUES ('b', 'q', -9999999999999);
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INSERT INTO T2 VALUES ('m', 'a');
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INSERT INTO T2 VALUES ('n', 'b');
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SELECT T2.X, T1.C FROM T2 INNER JOIN T1 ON T2.A = T1.A WHERE T1.C > -1000000000000;
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---
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CREATE TABLE T (
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A VARCHAR(10) PRIMARY KEY,
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B VARCHAR(15) NOT NULL,
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C INTEGER,
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UNIQUE (B, C)
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);
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INSERT INTO T VALUES ('a', 'p', -2147483648);
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INSERT INTO T VALUES ('b', 'q', 700);
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INSERT INTO T VALUES ('c', 'r', 0);
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INSERT INTO T VALUES ('d', 's', 2147483647);
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INSERT INTO T VALUES ('e', 't', -1);
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INSERT INTO T VALUES ('f', 'u', 1);
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SELECT * FROM T WHERE C BETWEEN -1000 AND 1000 ORDER BY C ASC;
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---
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CREATE TABLE T (
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A VARCHAR(10) PRIMARY KEY,
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B VARCHAR(15),
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C BIGINT NOT NULL,
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UNIQUE (B, C)
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);
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INSERT INTO T VALUES ('a', 'p', 3000);
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INSERT INTO T VALUES ('b', 'q', 9223372036854775807);
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INSERT INTO T VALUES ('c', 'r', 1700);
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INSERT INTO T VALUES ('e', 'q', -9223372036854775808);
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INSERT INTO T VALUES ('f', 'r', 0);
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SELECT B, COUNT(*) AS D, SUM(C) AS E, AVG(C) AS F FROM T GROUP BY B HAVING SUM(C) > 0;
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---
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CREATE TABLE T1 (
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A VARCHAR(20),
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X VARCHAR(10),
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PRIMARY KEY (A, X),
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UNIQUE (X)
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);
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CREATE TABLE T2 (
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A VARCHAR(20),
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Y VARCHAR(10) UNIQUE,
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PRIMARY KEY (A, Y)
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);
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INSERT INTO T1 VALUES ('a', 'm');
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INSERT INTO T1 VALUES ('b', 'n');
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INSERT INTO T2 VALUES ('b', 'k');
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SELECT A FROM T1 UNION ALL SELECT A FROM T2 ORDER BY A;
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---
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CREATE TABLE T1 (
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A VARCHAR(20) PRIMARY KEY,
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X VARCHAR(10) UNIQUE
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);
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CREATE TABLE T2 (
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A VARCHAR(20) PRIMARY KEY,
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Y VARCHAR(10) UNIQUE
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);
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INSERT INTO T1 VALUES ('a', 'm');
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INSERT INTO T1 VALUES ('b', 'n');
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INSERT INTO T1 VALUES ('c', 'o');
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INSERT INTO T2 VALUES ('b', 'k');
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INSERT INTO T2 VALUES ('c', 'l');
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SELECT A FROM T1 INTERSECT SELECT A FROM T2;
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---
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CREATE TABLE T1 (
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A VARCHAR(20),
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X VARCHAR(10),
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PRIMARY KEY (A, X)
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);
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CREATE TABLE T2 (
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A VARCHAR(20),
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Y VARCHAR(10),
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PRIMARY KEY (A, Y)
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);
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INSERT INTO T1 VALUES ('a', 'm');
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INSERT INTO T1 VALUES ('b', 'n');
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INSERT INTO T1 VALUES ('c', 'o');
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INSERT INTO T2 VALUES ('b', 'k');
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SELECT A FROM T1 EXCEPT SELECT A FROM T2;
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