mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-15 09:49:40 +00:00
607 lines
15 KiB
Plaintext
607 lines
15 KiB
Plaintext
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CREATE TABLE t1(x INTEGER, y INTEGER);
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WITH x(a) AS ( SELECT * FROM t1) SELECT 10
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SELECT * FROM ( WITH x AS ( SELECT * FROM t1) SELECT 10 );
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WITH x(a) AS ( SELECT * FROM t1) INSERT INTO t1 VALUES(1,2);
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WITH x(a) AS ( SELECT * FROM t1) DELETE FROM t1;
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WITH x(a) AS ( SELECT * FROM t1) UPDATE t1 SET x = y;
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES(2);
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WITH tmp AS ( SELECT * FROM t1 ) SELECT x FROM tmp;
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WITH tmp(a) AS ( SELECT * FROM t1 ) SELECT a FROM tmp;
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SELECT * FROM (
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WITH tmp(a) AS ( SELECT * FROM t1 ) SELECT a FROM tmp
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);
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WITH tmp1(a) AS ( SELECT * FROM t1 ),
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tmp2(x) AS ( SELECT * FROM tmp1)
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SELECT * FROM tmp2;
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WITH tmp2(x) AS ( SELECT * FROM tmp1),
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tmp1(a) AS ( SELECT * FROM t1 )
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SELECT * FROM tmp2;
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CREATE TABLE t3(x);
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CREATE TABLE t4(x);
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INSERT INTO t3 VALUES('T3');
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INSERT INTO t4 VALUES('T4');
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WITH t3(a) AS (SELECT * FROM t4)
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SELECT * FROM t3;
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WITH tmp AS ( SELECT * FROM t3 ),
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tmp2 AS ( WITH tmp AS ( SELECT * FROM t4 ) SELECT * FROM tmp )
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SELECT * FROM tmp2;
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WITH tmp AS ( SELECT * FROM t3 ),
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tmp2 AS ( WITH xxxx AS ( SELECT * FROM t4 ) SELECT * FROM tmp )
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SELECT * FROM tmp2;
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES(2);
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INSERT INTO t1 VALUES(3);
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INSERT INTO t1 VALUES(4);
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WITH dset AS ( SELECT 2 UNION ALL SELECT 4 )
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DELETE FROM t1 WHERE x IN dset;
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SELECT * FROM t1;
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WITH iset AS ( SELECT 2 UNION ALL SELECT 4 )
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INSERT INTO t1 SELECT * FROM iset;
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SELECT * FROM t1;
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WITH uset(a, b) AS ( SELECT 2, 8 UNION ALL SELECT 4, 9 )
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UPDATE t1 SET x = COALESCE( (SELECT b FROM uset WHERE a=x), x );
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SELECT * FROM t1;
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WITH i(x) AS ( VALUES(1) UNION ALL SELECT x+1 FROM i)
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SELECT x FROM i LIMIT 10;
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CREATE TABLE edge(xfrom, xto, seq, PRIMARY KEY(xfrom, xto)) WITHOUT ROWID;
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INSERT INTO edge VALUES(0, 1, 10);
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INSERT INTO edge VALUES(1, 2, 20);
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INSERT INTO edge VALUES(0, 3, 30);
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INSERT INTO edge VALUES(2, 4, 40);
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INSERT INTO edge VALUES(3, 4, 40);
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INSERT INTO edge VALUES(2, 5, 50);
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INSERT INTO edge VALUES(3, 6, 60);
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INSERT INTO edge VALUES(5, 7, 70);
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INSERT INTO edge VALUES(3, 7, 70);
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INSERT INTO edge VALUES(4, 8, 80);
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INSERT INTO edge VALUES(7, 8, 80);
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INSERT INTO edge VALUES(8, 9, 90);
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WITH RECURSIVE
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ancest(id, mtime) AS
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(VALUES(0, 0)
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UNION
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SELECT edge.xto, edge.seq FROM edge, ancest
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WHERE edge.xfrom=ancest.id
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ORDER BY 2
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)
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SELECT * FROM ancest;
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WITH RECURSIVE
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ancest(id, mtime) AS
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(VALUES(0, 0)
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UNION ALL
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SELECT edge.xto, edge.seq FROM edge, ancest
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WHERE edge.xfrom=ancest.id
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ORDER BY 2
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)
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SELECT * FROM ancest;
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WITH RECURSIVE
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ancest(id, mtime) AS
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(VALUES(0, 0)
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UNION ALL
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SELECT edge.xto, edge.seq FROM edge, ancest
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WHERE edge.xfrom=ancest.id
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ORDER BY 2 LIMIT 4 OFFSET 2
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)
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SELECT * FROM ancest;
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WITH i(x) AS ( VALUES(1) UNION ALL SELECT (x+1)%10 FROM i)
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SELECT x FROM i LIMIT 20;
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WITH i(x) AS ( VALUES(1) UNION SELECT (x+1)%10 FROM i)
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SELECT x FROM i LIMIT 20;
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CREATE TABLE f(
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id INTEGER PRIMARY KEY, parentid REFERENCES f, name TEXT
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);
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INSERT INTO f VALUES(0, NULL, '');
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INSERT INTO f VALUES(1, 0, 'bin');
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INSERT INTO f VALUES(2, 1, 'true');
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INSERT INTO f VALUES(3, 1, 'false');
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INSERT INTO f VALUES(4, 1, 'ls');
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INSERT INTO f VALUES(5, 1, 'grep');
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INSERT INTO f VALUES(6, 0, 'etc');
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INSERT INTO f VALUES(7, 6, 'rc.d');
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INSERT INTO f VALUES(8, 7, 'rc.apache');
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INSERT INTO f VALUES(9, 7, 'rc.samba');
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INSERT INTO f VALUES(10, 0, 'home');
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INSERT INTO f VALUES(11, 10, 'dan');
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INSERT INTO f VALUES(12, 11, 'public_html');
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INSERT INTO f VALUES(13, 12, 'index.html');
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INSERT INTO f VALUES(14, 13, 'logo.gif');
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WITH flat(fid, fpath) AS (
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SELECT id, '' FROM f WHERE parentid IS NULL
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UNION ALL
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SELECT id, fpath || '/' || name FROM f, flat WHERE parentid=fid
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)
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SELECT fpath FROM flat WHERE fpath!='' ORDER BY 1;
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WITH flat(fid, fpath) AS (
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SELECT id, '' FROM f WHERE parentid IS NULL
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UNION ALL
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SELECT id, fpath || '/' || name FROM f, flat WHERE parentid=fid
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)
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SELECT count(*) FROM flat;
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WITH x(i) AS (
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SELECT 1
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UNION ALL
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SELECT i+1 FROM x WHERE i<10
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)
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SELECT count(*) FROM x
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CREATE TABLE tree(i, p);
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INSERT INTO tree VALUES(1, NULL);
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INSERT INTO tree VALUES(2, 1);
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INSERT INTO tree VALUES(3, 1);
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INSERT INTO tree VALUES(4, 2);
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INSERT INTO tree VALUES(5, 4);
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WITH t(id, path) AS (
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SELECT i, '' FROM tree WHERE p IS NULL
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UNION ALL
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SELECT i, path || '/' || i FROM tree, t WHERE p = id
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)
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SELECT path FROM t;
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WITH t(id) AS (
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VALUES(2)
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UNION ALL
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SELECT i FROM tree, t WHERE p = id
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)
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SELECT id FROM t;
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WITH RECURSIVE
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xaxis(x) AS (VALUES(-2.0) UNION ALL SELECT x+0.05 FROM xaxis WHERE x<1.2),
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yaxis(y) AS (VALUES(-1.0) UNION ALL SELECT y+0.1 FROM yaxis WHERE y<1.0),
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m(iter, cx, cy, x, y) AS (
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SELECT 0, x, y, 0.0, 0.0 FROM xaxis, yaxis
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UNION ALL
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SELECT iter+1, cx, cy, x*x-y*y + cx, 2.0*x*y + cy FROM m
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WHERE (x*x + y*y) < 4.0 AND iter<28
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),
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m2(iter, cx, cy) AS (
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SELECT max(iter), cx, cy FROM m GROUP BY cx, cy
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),
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a(t) AS (
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SELECT group_concat( substr(' .+*#', 1+min(iter/7,4), 1), '')
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FROM m2 GROUP BY cy
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)
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SELECT group_concat(rtrim(t),x'0a') FROM a;
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WITH RECURSIVE
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input(sud) AS (
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VALUES('53..7....6..195....98....6.8...6...34..8.3..17...2...6.6....28....419..5....8..79')
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),
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/* A table filled with digits 1..9, inclusive. */
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digits(z, lp) AS (
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VALUES('1', 1)
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UNION ALL SELECT
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CAST(lp+1 AS TEXT), lp+1 FROM digits WHERE lp<9
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),
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/* The tricky bit. */
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x(s, ind) AS (
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SELECT sud, instr(sud, '.') FROM input
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UNION ALL
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SELECT
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substr(s, 1, ind-1) || z || substr(s, ind+1),
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instr( substr(s, 1, ind-1) || z || substr(s, ind+1), '.' )
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FROM x, digits AS z
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WHERE ind>0
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AND NOT EXISTS (
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SELECT 1
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FROM digits AS lp
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WHERE z.z = substr(s, ((ind-1)/9)*9 + lp, 1)
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OR z.z = substr(s, ((ind-1)%9) + (lp-1)*9 + 1, 1)
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OR z.z = substr(s, (((ind-1)/3) % 3) * 3
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+ ((ind-1)/27) * 27 + lp
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+ ((lp-1) / 3) * 6, 1)
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)
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)
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SELECT s FROM x WHERE ind=0;
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DROP TABLE IF EXISTS tree;
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CREATE TABLE tree(id INTEGER PRIMARY KEY, parentid, payload);
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WITH flat(fid, p) AS (
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SELECT id, '/' || payload FROM tree WHERE parentid IS NULL
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UNION ALL
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SELECT id, p || '/' || payload FROM flat, tree WHERE parentid=fid
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)
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SELECT p FROM flat ORDER BY p;
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WITH t(a) AS (
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SELECT 1 AS b UNION ALL SELECT a+1 AS c FROM t WHERE a<5 ORDER BY b
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)
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SELECT * FROM t
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WITH t(a) AS (
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SELECT 1 AS b UNION ALL SELECT a+1 AS c FROM t WHERE a<5 ORDER BY c
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)
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SELECT * FROM t
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WITH flat(fid, depth, p) AS (
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SELECT id, 1, '/' || payload FROM tree WHERE parentid IS NULL
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UNION ALL
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SELECT id, depth+1, p||'/'||payload FROM flat, tree WHERE parentid=fid
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ORDER BY 2, 3 COLLATE nocase
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)
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SELECT p FROM flat;
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WITH flat(fid, depth, p) AS (
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SELECT id, 1, ('/' || payload) COLLATE nocase
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FROM tree WHERE parentid IS NULL
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UNION ALL
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SELECT id, depth+1, (p||'/'||payload)
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FROM flat, tree WHERE parentid=fid
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ORDER BY 2, 3
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)
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SELECT p FROM flat;
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WITH flat(fid, depth, p) AS (
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SELECT id, 1, ('/' || payload)
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FROM tree WHERE parentid IS NULL
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UNION ALL
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SELECT id, depth+1, (p||'/'||payload) COLLATE nocase
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FROM flat, tree WHERE parentid=fid
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ORDER BY 2, 3
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)
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SELECT p FROM flat;
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CREATE TABLE tst(a,b);
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INSERT INTO tst VALUES('a', 'A');
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INSERT INTO tst VALUES('b', 'B');
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INSERT INTO tst VALUES('c', 'C');
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SELECT a COLLATE nocase FROM tst UNION ALL SELECT b FROM tst ORDER BY 1;
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SELECT a FROM tst UNION ALL SELECT b COLLATE nocase FROM tst ORDER BY 1;
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SELECT a||'' FROM tst UNION ALL SELECT b COLLATE nocase FROM tst ORDER BY 1;
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CREATE TABLE org(
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name TEXT PRIMARY KEY,
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boss TEXT REFERENCES org
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) WITHOUT ROWID;
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INSERT INTO org VALUES('Alice',NULL);
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INSERT INTO org VALUES('Bob','Alice');
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INSERT INTO org VALUES('Cindy','Alice');
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INSERT INTO org VALUES('Dave','Bob');
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INSERT INTO org VALUES('Emma','Bob');
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INSERT INTO org VALUES('Fred','Cindy');
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INSERT INTO org VALUES('Gail','Cindy');
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INSERT INTO org VALUES('Harry','Dave');
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INSERT INTO org VALUES('Ingrid','Dave');
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INSERT INTO org VALUES('Jim','Emma');
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INSERT INTO org VALUES('Kate','Emma');
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INSERT INTO org VALUES('Lanny','Fred');
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INSERT INTO org VALUES('Mary','Fred');
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INSERT INTO org VALUES('Noland','Gail');
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INSERT INTO org VALUES('Olivia','Gail');
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-- The above are all under Alice. Add a few more records for people
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-- not in Alice's group, just to prove that they won't be selected.
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INSERT INTO org VALUES('Xaviar',NULL);
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INSERT INTO org VALUES('Xia','Xaviar');
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INSERT INTO org VALUES('Xerxes','Xaviar');
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INSERT INTO org VALUES('Xena','Xia');
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-- Find all members of Alice's group, breath-first order
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WITH RECURSIVE
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under_alice(name,level) AS (
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VALUES('Alice','0')
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UNION ALL
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SELECT org.name, under_alice.level+1
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FROM org, under_alice
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WHERE org.boss=under_alice.name
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ORDER BY 2
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)
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SELECT group_concat(substr('...............',1,level*3) || name,x'0a')
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FROM under_alice;
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WITH RECURSIVE
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under_alice(name,level) AS (
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VALUES('Alice','0')
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UNION ALL
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SELECT org.name, under_alice.level+1
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FROM org, under_alice
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WHERE org.boss=under_alice.name
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ORDER BY 2 DESC
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)
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SELECT group_concat(substr('...............',1,level*3) || name,x'0a')
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FROM under_alice;
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WITH RECURSIVE
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under_alice(name,level) AS (
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VALUES('Alice','0')
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UNION ALL
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SELECT org.name, under_alice.level+1
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FROM org, under_alice
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WHERE org.boss=under_alice.name
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)
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SELECT group_concat(substr('...............',1,level*3) || name,x'0a')
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FROM under_alice;
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WITH RECURSIVE
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t1(x) AS (VALUES(2) UNION ALL SELECT x+2 FROM t1 WHERE x<20),
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t2(y) AS (VALUES(3) UNION ALL SELECT y+3 FROM t2 WHERE y<20)
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SELECT x FROM t1 EXCEPT SELECT y FROM t2 ORDER BY 1;
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WITH x AS (SELECT * FROM t) SELECT 0 EXCEPT SELECT 0 ORDER BY 1 COLLATE binary;
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WITH x(a) AS (
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WITH y(b) AS (SELECT 10)
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SELECT 9 UNION ALL SELECT * FROM y
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)
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SELECT * FROM x
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WITH x AS (
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WITH y(b) AS (SELECT 10)
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SELECT * FROM y UNION ALL SELECT * FROM y
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)
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SELECT * FROM x
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WITH
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x1 AS (SELECT 10),
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x2 AS (SELECT * FROM x1),
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x3 AS (
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WITH x1 AS (SELECT 11)
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SELECT * FROM x2 UNION ALL SELECT * FROM x2
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)
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SELECT * FROM x3;
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WITH
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x1 AS (SELECT 10),
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x2 AS (SELECT * FROM x1),
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x3 AS (
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WITH x1 AS (SELECT 11)
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SELECT * FROM x2 UNION ALL SELECT * FROM x1
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)
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SELECT * FROM x3;
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WITH
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x1 AS (SELECT 10),
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x2 AS (SELECT * FROM x1),
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x3 AS (
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WITH
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x1 AS ( SELECT 11 ),
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x4 AS ( SELECT * FROM x2 )
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SELECT * FROM x4 UNION ALL SELECT * FROM x1
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)
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SELECT * FROM x3;
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WITH
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x1 AS (SELECT 10),
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x2 AS (SELECT * FROM x1),
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x3 AS (
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WITH
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x1 AS ( SELECT 11 ),
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x4 AS ( SELECT * FROM x2 )
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SELECT * FROM x4 UNION ALL SELECT * FROM x1
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)
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SELECT * FROM x3;
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WITH
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x1 AS (SELECT 10),
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x2 AS (SELECT 11),
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x3 AS (
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SELECT * FROM x1 UNION ALL SELECT * FROM x2
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),
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x4 AS (
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WITH
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x1 AS (SELECT 12),
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x2 AS (SELECT 13)
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SELECT * FROM x3
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)
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SELECT * FROM x4;
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WITH xyz(x) AS (VALUES(NULL) UNION SELECT round(1<x) FROM xyz ORDER BY 1)
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SELECT quote(x) FROM xyz;
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WITH xyz(x) AS (
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SELECT printf('%d', 5) * NULL
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UNION SELECT round(1<1+x)
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FROM xyz ORDER BY 1
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)
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SELECT 1 FROM xyz;
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(x);
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WITH c(i)AS(VALUES(9)UNION SELECT~i FROM c)SELECT max(5)>i fROM c;
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WITH c(i)AS(VALUES(5)UNIoN SELECT 0)SELECT min(1)-i fROM c;
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WITH RECURSIVE t21(a,b) AS (
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WITH t21(x) AS (VALUES(1))
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SELECT x, x FROM t21 ORDER BY 1
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)
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SELECT * FROM t21 AS tA, t21 AS tB
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/* This variant from chromium bug 922312 on 2019-01-16 */
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WITH RECURSIVE t21(a,b) AS (
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WITH t21(x) AS (VALUES(1))
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SELECT x, x FROM t21 ORDER BY 1 LIMIT 5
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)
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SELECT * FROM t21 AS tA, t21 AS tB
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SELECT printf('',
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EXISTS (WITH RECURSIVE Table0 AS (WITH Table0 AS (SELECT DISTINCT 1)
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SELECT *, * FROM Table0 ORDER BY 1 DESC)
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SELECT * FROM Table0 NATURAL JOIN Table0));
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CREATE TABLE t1(id INTEGER NULL PRIMARY KEY, name Text);
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INSERT INTO t1 VALUES (1, 'john');
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INSERT INTO t1 VALUES (2, 'james');
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INSERT INTO t1 VALUES (3, 'jingle');
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INSERT INTO t1 VALUES (4, 'himer');
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INSERT INTO t1 VALUES (5, 'smith');
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CREATE VIEW v2 AS
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WITH t4(Name) AS (VALUES ('A'), ('B'))
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SELECT Name Name FROM t4;
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CREATE VIEW v3 AS
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WITH t4(Att, Val, Act) AS (VALUES
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('C', 'D', 'E'),
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('F', 'G', 'H')
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)
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SELECT D.Id Id, P.Name Protocol, T.Att Att, T.Val Val, T.Act Act
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FROM t1 D
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CROSS JOIN v2 P
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CROSS JOIN t4 T;
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SELECT * FROM v3;
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CREATE TABLE t1(a, b, c);
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CREATE VIEW v1 AS SELECT max(a), min(b) FROM t1 GROUP BY c;
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ATTACH "" AS aux;
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CREATE VIEW aux.v3 AS VALUES(1);
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CREATE VIEW main.v3 AS VALUES(3);
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CREATE VIEW aux.v2 AS SELECT * FROM v3;
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CREATE VIEW main.v2 AS SELECT * FROM v3;
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SELECT * FROM main.v2 AS a, aux.v2 AS b, aux.v2 AS c, main.v2 AS d;
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CREATE TABLE t (label VARCHAR(10), step INTEGER);
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INSERT INTO T VALUES('a', 1);
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INSERT INTO T VALUES('a', 1);
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INSERT INTO T VALUES('b', 1);
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WITH RECURSIVE cte(label, step) AS (
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SELECT DISTINCT * FROM t
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UNION ALL
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SELECT label, step + 1 FROM cte WHERE step < 3
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)
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SELECT * FROM cte ORDER BY +label, +step;
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WITH RECURSIVE cte(label, step) AS (
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SELECT * FROM t
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UNION
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SELECT label, step + 1 FROM cte WHERE step < 3
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)
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SELECT * FROM cte ORDER BY +label, +step;
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CREATE TABLE tworow(x);
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INSERT INTO tworow(x) VALUES(1),(2);
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DELETE FROM t WHERE rowid=2;
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WITH RECURSIVE cte(label, step) AS (
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SELECT * FROM t
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UNION ALL
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SELECT DISTINCT label, step + 1 FROM cte, tworow WHERE step < 3
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)
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SELECT * FROM cte ORDER BY +label, +step;
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CREATE TABLE t1(k);
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CREATE TABLE log(k, cte_map, main_map);
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CREATE TABLE map(k, v);
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INSERT INTO map VALUES(1, 'main1'), (2, 'main2');
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CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN
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INSERT INTO log
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WITH map(k,v) AS (VALUES(1,'cte1'),(2,'cte2'))
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SELECT
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new.k,
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(SELECT v FROM map WHERE k=new.k),
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(SELECT v FROM main.map WHERE k=new.k);
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END;
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INSERT INTO t1 VALUES(1);
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INSERT INTO t1 VALUES(2);
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SELECT k, cte_map, main_map, '|' FROM log ORDER BY k;
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