mirror of
https://github.com/tursodatabase/libsql.git
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41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,10), (2,20), (3,30), (2,22), (3, 33);
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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ALTER TABLE t1 ADD COLUMN c;
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UPDATE t1 SET c=a*rowid+10000;
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CREATE INDEX t1ab ON t1(a,b);
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CREATE TABLE t2(x,y);
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INSERT INTO t2 VALUES(4,44),(5,55),(6,66),(7,77);
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INSERT INTO t2 SELECT x+4, (x+4)*11 FROM t2;
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INSERT INTO t2 SELECT x+8, (x+8)*11 FROM t2;
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INSERT INTO t2 SELECT x+16, (x+16)*11 FROM t2;
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INSERT INTO t2 SELECT x+32, (x+32)*11 FROM t2;
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INSERT INTO t2 SELECT x+64, (x+32)*11 FROM t2;
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ALTER TABLE t2 ADD COLUMN z;
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UPDATE t2 SET z=2;
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CREATE UNIQUE INDEX t2zx ON t2(z,x);
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EXPLAIN QUERY PLAN SELECT x FROM t1, t2 WHERE a=z AND c=x;
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EXPLAIN QUERY PLAN SELECT x FROM t2, t1 WHERE a=z AND c=x;
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ANALYZE;
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EXPLAIN QUERY PLAN SELECT x FROM t1, t2 WHERE a=z AND c=x;
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EXPLAIN QUERY PLAN SELECT x FROM t2, t1 WHERE a=z AND c=x;
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