mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-12 15:33:44 +00:00
242 lines
4.4 KiB
Plaintext
242 lines
4.4 KiB
Plaintext
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CREATE TABLE t1(a,b);
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WITH RECURSIVE
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cnt(x) AS (VALUES(1000) UNION ALL SELECT x+1 FROM cnt WHERE x<2000)
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INSERT INTO t1(a,b) SELECT x, x FROM cnt;
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CREATE INDEX t1a ON t1(a);
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ANALYZE;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 500 AND 2500;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 2900 AND 3000;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1700 AND 1750;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1 AND 500
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 3000 AND 3000000
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<500
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>2500
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1900
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1100
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1100
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1900
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DROP INDEX t1a;
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CREATE INDEX t1a ON t1(a DESC);
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ANALYZE;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 500 AND 2500;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 2900 AND 3000;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1700 AND 1750;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1 AND 500
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 3000 AND 3000000
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<500
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>2500
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1900
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1100
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1100
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1900
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DROP TABLE t1;
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CREATE TABLE t1(a,b,c);
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WITH RECURSIVE
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cnt(x) AS (VALUES(1000) UNION ALL SELECT x+1 FROM cnt WHERE x<2000)
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INSERT INTO t1(a,b,c) SELECT x, x, 123 FROM cnt;
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CREATE INDEX t1ca ON t1(c,a);
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ANALYZE;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 500 AND 2500 AND c=123;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 2900 AND 3000 AND c=123;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1700 AND 1750 AND c=123;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1 AND 500 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 3000 AND 3000000 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<500 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>2500 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1900 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1100 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1100 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1900 AND c=123
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DROP INDEX t1ca;
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CREATE INDEX t1ca ON t1(c ASC,a DESC);
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ANALYZE;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 500 AND 2500 AND c=123;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 2900 AND 3000 AND c=123;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1700 AND 1750 AND c=123;
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 1 AND 500 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a BETWEEN 3000 AND 3000000 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<500 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>2500 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1900 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a>1100 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1100 AND c=123
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a<1900 AND c=123
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PRAGMA encoding = 'UTF-16';
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CREATE TABLE t0 (c1 TEXT);
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INSERT INTO t0 VALUES ('');
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CREATE INDEX i0 ON t0(c1);
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ANALYZE;
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SELECT * FROM t0 WHERE t0.c1 BETWEEN '' AND (ABS(''));
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CREATE TABLE t1(x);
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CREATE INDEX i1 ON t1(x,x,x,x,x||2);
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CREATE INDEX i2 ON t1(1<2);
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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(x) SELECT x FROM c;
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ANALYZE;
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SELECT count(*)>1 FROM sqlite_stat4 WHERE idx='i2' AND neq='1000 1';
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SELECT count(*) FROM sqlite_stat4 WHERE idx='i2' AND neq<>'1000 1';
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SELECT count(*)>1 FROM sqlite_stat4 WHERE idx='i1' AND neq='1 1 1 1 1 1';
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SELECT count(*) FROM sqlite_stat4 WHERE idx='i1' AND neq<>'1 1 1 1 1 1';
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CREATE TABLE t1(a TEXT COLLATE binary);
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CREATE INDEX t1x ON t1(a);
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INSERT INTO t1(a) VALUES(0),('apple'),(NULL),(''),('banana');
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ANALYZE;
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SELECT format('(%s)',a) FROM t1 WHERE t1.a > CAST(zeroblob(5) AS TEXT);
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SELECT format('(%s)',a) FROM t1 WHERE t1.a <= CAST(zeroblob(5) AS TEXT);
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