328 lines
11 KiB
Plaintext
328 lines
11 KiB
Plaintext
# 2015-08-31
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing indexes on expressions.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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do_execsql_test indexexpr1-100 {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1(a,b,c)
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/* 123456789 123456789 123456789 123456789 123456789 123456789 */
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VALUES('In_the_beginning_was_the_Word',1,1),
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('and_the_Word_was_with_God',1,2),
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('and_the_Word_was_God',1,3),
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('The_same_was_in_the_beginning_with_God',2,1),
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('All_things_were_made_by_him',3,1),
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('and_without_him_was_not_any_thing_made_that_was_made',3,2);
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CREATE INDEX t1a1 ON t1(substr(a,1,12));
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} {}
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do_execsql_test indexexpr1-110 {
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SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
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} {1 2 | 1 3 |}
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do_execsql_test indexexpr1-110eqp {
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EXPLAIN QUERY PLAN
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SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
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} {/USING INDEX t1a1/}
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do_execsql_test indexexpr1-120 {
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SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
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} {1 2 | 1 3 |}
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do_execsql_test indexexpr1-120eqp {
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EXPLAIN QUERY PLAN
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SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
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} {/USING INDEX t1a1/}
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do_execsql_test indexexpr1-130 {
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CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
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SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
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} {2 3}
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do_execsql_test indexexpr1-130eqp {
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EXPLAIN QUERY PLAN
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SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
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} {/USING INDEX t1ba/}
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do_execsql_test indexexpr1-140 {
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SELECT rowid, substr(a,b,3), '|' FROM t1 ORDER BY 2;
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} {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
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do_execsql_test indexexpr1-141 {
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CREATE INDEX t1abx ON t1(substr(a,b,3));
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SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid;
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} {1 2 3}
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do_execsql_test indexexpr1-141eqp {
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EXPLAIN QUERY PLAN
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SELECT rowid FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +rowid;
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} {/USING INDEX t1abx/}
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do_execsql_test indexexpr1-142 {
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SELECT rowid FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +rowid;
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} {1 2 3}
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do_execsql_test indexexpr1-150 {
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SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
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ORDER BY +rowid;
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} {2 3 5}
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do_execsql_test indexexpr1-150eqp {
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EXPLAIN QUERY PLAN
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SELECT rowid FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
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ORDER BY +rowid;
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} {/USING INDEX t1abx/}
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do_execsql_test indexexpr1-160 {
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ALTER TABLE t1 ADD COLUMN d;
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UPDATE t1 SET d=length(a);
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CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
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SELECT rowid, b, c FROM t1
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WHERE substr(a,27,3)=='ord' AND d>=29;
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} {1 1 1}
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do_execsql_test indexexpr1-160eqp {
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EXPLAIN QUERY PLAN
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SELECT rowid, b, c FROM t1
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WHERE substr(a,27,3)=='ord' AND d>=29;
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} {/USING INDEX t1a2/}
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# ORDER BY using an indexed expression
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#
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do_execsql_test indexexpr1-170 {
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CREATE INDEX t1alen ON t1(length(a));
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SELECT length(a) FROM t1 ORDER BY length(a);
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} {20 25 27 29 38 52}
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do_execsql_test indexexpr1-170eqp {
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EXPLAIN QUERY PLAN
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SELECT length(a) FROM t1 ORDER BY length(a);
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} {/SCAN TABLE t1 USING INDEX t1alen/}
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do_execsql_test indexexpr1-171 {
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SELECT length(a) FROM t1 ORDER BY length(a) DESC;
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} {52 38 29 27 25 20}
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do_execsql_test indexexpr1-171eqp {
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EXPLAIN QUERY PLAN
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SELECT length(a) FROM t1 ORDER BY length(a) DESC;
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} {/SCAN TABLE t1 USING INDEX t1alen/}
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do_execsql_test indexexpr1-200 {
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DROP TABLE t1;
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CREATE TABLE t1(id ANY PRIMARY KEY, a,b,c) WITHOUT ROWID;
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INSERT INTO t1(id,a,b,c)
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VALUES(1,'In_the_beginning_was_the_Word',1,1),
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(2,'and_the_Word_was_with_God',1,2),
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(3,'and_the_Word_was_God',1,3),
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(4,'The_same_was_in_the_beginning_with_God',2,1),
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(5,'All_things_were_made_by_him',3,1),
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(6,'and_without_him_was_not_any_thing_made_that_was_made',3,2);
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CREATE INDEX t1a1 ON t1(substr(a,1,12));
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} {}
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do_execsql_test indexexpr1-210 {
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SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
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} {1 2 | 1 3 |}
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do_execsql_test indexexpr1-210eqp {
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EXPLAIN QUERY PLAN
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SELECT b, c, '|' FROM t1 WHERE substr(a,1,12)=='and_the_Word' ORDER BY b, c;
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} {/USING INDEX t1a1/}
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do_execsql_test indexexpr1-220 {
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SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
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} {1 2 | 1 3 |}
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do_execsql_test indexexpr1-220eqp {
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EXPLAIN QUERY PLAN
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SELECT b, c, '|' FROM t1 WHERE 'and_the_Word'==substr(a,1,12) ORDER BY b, c;
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} {/USING INDEX t1a1/}
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do_execsql_test indexexpr1-230 {
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CREATE INDEX t1ba ON t1(b,substr(a,2,3),c);
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SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
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} {2 3}
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do_execsql_test indexexpr1-230eqp {
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EXPLAIN QUERY PLAN
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SELECT c FROM t1 WHERE b=1 AND substr(a,2,3)='nd_' ORDER BY c;
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} {/USING INDEX t1ba/}
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do_execsql_test indexexpr1-240 {
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SELECT id, substr(a,b,3), '|' FROM t1 ORDER BY 2;
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} {1 In_ | 2 and | 3 and | 6 d_w | 4 he_ | 5 l_t |}
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do_execsql_test indexexpr1-241 {
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CREATE INDEX t1abx ON t1(substr(a,b,3));
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SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
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} {1 2 3}
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do_execsql_test indexexpr1-241eqp {
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EXPLAIN QUERY PLAN
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SELECT id FROM t1 WHERE substr(a,b,3)<='and' ORDER BY +id;
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} {/USING INDEX t1abx/}
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do_execsql_test indexexpr1-242 {
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SELECT id FROM t1 WHERE +substr(a,b,3)<='and' ORDER BY +id;
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} {1 2 3}
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do_execsql_test indexexpr1-250 {
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SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
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ORDER BY +id;
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} {2 3 5}
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do_execsql_test indexexpr1-250eqp {
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EXPLAIN QUERY PLAN
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SELECT id FROM t1 WHERE substr(a,b,3) IN ('and','l_t','xyz')
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ORDER BY +id;
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} {/USING INDEX t1abx/}
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do_execsql_test indexexpr1-260 {
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ALTER TABLE t1 ADD COLUMN d;
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UPDATE t1 SET d=length(a);
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CREATE INDEX t1a2 ON t1(SUBSTR(a, 27, 3)) WHERE d>=29;
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SELECT id, b, c FROM t1
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WHERE substr(a,27,3)=='ord' AND d>=29;
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} {1 1 1}
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do_execsql_test indexexpr1-260eqp {
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EXPLAIN QUERY PLAN
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SELECT id, b, c FROM t1
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WHERE substr(a,27,3)=='ord' AND d>=29;
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} {/USING INDEX t1a2/}
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do_catchsql_test indexexpr1-300 {
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CREATE TABLE t2(a,b,c);
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CREATE INDEX t2x1 ON t2(a,b+random());
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} {1 {non-deterministic functions prohibited in index expressions}}
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do_catchsql_test indexexpr1-301 {
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CREATE INDEX t2x1 ON t2(a+julianday('now'));
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} {1 {non-deterministic functions prohibited in index expressions}}
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do_catchsql_test indexexpr1-310 {
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CREATE INDEX t2x2 ON t2(a,b+(SELECT 15));
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} {1 {subqueries prohibited in index expressions}}
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do_catchsql_test indexexpr1-320 {
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CREATE TABLE e1(x,y,UNIQUE(y,substr(x,1,5)));
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} {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
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do_catchsql_test indexexpr1-330 {
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CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5)));
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} {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
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do_catchsql_test indexexpr1-331 {
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CREATE TABLE e1(x,y,PRIMARY KEY(y,substr(x,1,5))) WITHOUT ROWID;
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} {1 {expressions prohibited in PRIMARY KEY and UNIQUE constraints}}
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do_catchsql_test indexexpr1-340 {
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CREATE TABLE e1(x,y,FOREIGN KEY(substr(y,1,5)) REFERENCES t1);
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} {1 {near "(": syntax error}}
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do_execsql_test indexexpr1-400 {
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CREATE TABLE t3(a,b,c);
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WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<30)
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INSERT INTO t3(a,b,c)
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SELECT x, printf('ab%04xyz',x), random() FROM c;
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CREATE UNIQUE INDEX t3abc ON t3(CAST(a AS text), b, substr(c,1,3));
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SELECT a FROM t3 WHERE CAST(a AS text)<='10' ORDER BY +a;
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PRAGMA integrity_check;
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} {1 10 ok}
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do_catchsql_test indexexpr1-410 {
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INSERT INTO t3 SELECT * FROM t3 WHERE rowid=10;
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} {1 {UNIQUE constraint failed: index 't3abc'}}
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do_execsql_test indexexpr1-500 {
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CREATE TABLE t5(a);
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CREATE TABLE cnt(x);
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WITH RECURSIVE
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c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<5)
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INSERT INTO cnt(x) SELECT x FROM c;
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INSERT INTO t5(a) SELECT printf('abc%03dxyz',x) FROM cnt;
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CREATE INDEX t5ax ON t5( substr(a,4,3) );
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} {}
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do_execsql_test indexexpr1-510 {
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-- The use of the "k" alias in the WHERE clause is technically
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-- illegal, but SQLite allows it for historical reasons. In this
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-- test and the next, verify that "k" can be used by the t5ax index
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SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
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} {001 002 003 004 005}
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do_execsql_test indexexpr1-510eqp {
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EXPLAIN QUERY PLAN
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SELECT substr(a,4,3) AS k FROM cnt, t5 WHERE k=printf('%03d',x);
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} {/USING INDEX t5ax/}
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# Skip-scan on an indexed expression
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#
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do_execsql_test indexexpr1-600 {
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DROP TABLE IF EXISTS t4;
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CREATE TABLE t4(a,b,c,d,e,f,g,h,i);
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CREATE INDEX t4all ON t4(a,b,c<d,e,f,i,h);
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INSERT INTO t4 VALUES(1,2,3,4,5,6,7,8,9);
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ANALYZE;
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DELETE FROM sqlite_stat1;
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INSERT INTO sqlite_stat1
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VALUES('t4','t4all','600000 160000 40000 10000 2000 600 100 40 10');
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ANALYZE sqlite_master;
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SELECT i FROM t4 WHERE e=5;
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} {9}
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# Indexed expressions on both sides of an == in a WHERE clause.
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#
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do_execsql_test indexexpr1-700 {
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DROP TABLE IF EXISTS t7;
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CREATE TABLE t7(a,b,c);
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INSERT INTO t7(a,b,c) VALUES(1,2,2),('abc','def','def'),(4,5,6);
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CREATE INDEX t7b ON t7(+b);
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CREATE INDEX t7c ON t7(+c);
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SELECT *, '|' FROM t7 WHERE +b=+c ORDER BY +a;
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} {1 2 2 | abc def def |}
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do_execsql_test indexexpr1-710 {
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CREATE TABLE t71(a,b,c);
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CREATE INDEX t71bc ON t71(b+c);
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CREATE TABLE t72(x,y,z);
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CREATE INDEX t72yz ON t72(y+z);
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INSERT INTO t71(a,b,c) VALUES(1,11,2),(2,7,15),(3,5,4);
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INSERT INTO t72(x,y,z) VALUES(1,10,3),(2,8,14),(3,9,9);
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SELECT a, x, '|' FROM t71, t72
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WHERE b+c=y+z
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ORDER BY +a, +x;
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} {1 1 | 2 2 |}
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# Collating sequences on indexes of expressions
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#
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do_execsql_test indexexpr1-800 {
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DROP TABLE IF EXISTS t8;
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CREATE TABLE t8(a INTEGER PRIMARY KEY, b TEXT);
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CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE nocase);
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INSERT INTO t8(a,b) VALUES(1,'Alice'),(2,'Bartholemew'),(3,'Cynthia');
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SELECT * FROM t8 WHERE substr(b,2,4)='ARTH' COLLATE nocase;
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} {2 Bartholemew}
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do_catchsql_test indexexpr1-810 {
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INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
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} {1 {UNIQUE constraint failed: index 't8bx'}}
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do_catchsql_test indexexpr1-820 {
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DROP INDEX t8bx;
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CREATE UNIQUE INDEX t8bx ON t8(substr(b,2,4) COLLATE rtrim);
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INSERT INTO t8(a,b) VALUES(4,'BARTHMERE');
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} {0 {}}
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# Check that PRAGMA integrity_check works correctly on a
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# UNIQUE index that includes rowid and expression terms.
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#
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do_execsql_test indexexpr1-900 {
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CREATE TABLE t9(a,b,c,d);
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CREATE UNIQUE INDEX t9x1 ON t9(c,abs(d),b);
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INSERT INTO t9(rowid,a,b,c,d) VALUES(1,2,3,4,5);
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INSERT INTO t9(rowid,a,b,c,d) VALUES(2,NULL,NULL,NULL,NULL);
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INSERT INTO t9(rowid,a,b,c,d) VALUES(3,NULL,NULL,NULL,NULL);
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INSERT INTO t9(rowid,a,b,c,d) VALUES(4,5,6,7,8);
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PRAGMA integrity_check;
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} {ok}
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do_catchsql_test indexexpr1-910 {
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INSERT INTO t9(a,b,c,d) VALUES(5,6,7,-8);
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} {1 {UNIQUE constraint failed: index 't9x1'}}
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# Test cases derived from a NEVER() maro failure discovered by
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# Jonathan Metzman using AFL
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#
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do_execsql_test indexexpr1-1000 {
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DROP TABLE IF EXISTS t0;
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CREATE TABLE t0(a,b,t);
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CREATE INDEX i ON t0(a in(0,1));
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INSERT INTO t0 VALUES(0,1,2),(2,3,4),(5,6,7);
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UPDATE t0 SET b=99 WHERE (a in(0,1))=0;
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SELECT *, '|' FROM t0 ORDER BY +a;
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} {0 1 2 | 2 99 4 | 5 99 7 |}
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do_execsql_test indexexpr1-1010 {
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UPDATE t0 SET b=88 WHERE (a in(0,1))=1;
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SELECT *, '|' FROM t0 ORDER BY +a;
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} {0 88 2 | 2 99 4 | 5 99 7 |}
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finish_test
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