mirror of
https://github.com/tursodatabase/libsql.git
synced 2024-12-15 19:09:41 +00:00
39 lines
1019 B
Plaintext
39 lines
1019 B
Plaintext
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CREATE TABLE t1(a,b,x);
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CREATE TABLE t2(c,d,y);
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CREATE INDEX t1b ON t1(b);
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CREATE INDEX t2d ON t2(d);
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ANALYZE sqlite_master;
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INSERT INTO sqlite_stat1 VALUES('t1','t1b','10000 500');
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INSERT INTO sqlite_stat1 VALUES('t2','t2d','10000 500');
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ANALYZE sqlite_master;
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EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d=b;
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EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d>b AND x=y;
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EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d<b AND x=y;
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EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d IS NULL AND x=y;
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EXPLAIN QUERY PLAN SELECT * FROM t1, t2 WHERE d IN (5,b) AND x=y;
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CREATE TABLE v(b, d, e);
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CREATE TABLE u(a, b, c);
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ANALYZE sqlite_master;
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INSERT INTO "sqlite_stat1" VALUES('u','uab','40000 400 1');
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INSERT INTO "sqlite_stat1" VALUES('v','vbde','40000 400 1 1');
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INSERT INTO "sqlite_stat1" VALUES('v','ve','40000 21');
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CREATE INDEX uab on u(a, b);
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CREATE INDEX ve on v(e);
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CREATE INDEX vbde on v(b,d,e);
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DROP TABLE IF EXISTS sqlite_stat4;
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ANALYZE sqlite_master;
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