377 lines
10 KiB
Plaintext
377 lines
10 KiB
Plaintext
# 2017 April 11
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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.
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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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set testprefix indexexpr2
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do_execsql_test 1 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 'one');
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INSERT INTO t1 VALUES(2, 'two');
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INSERT INTO t1 VALUES(3, 'three');
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CREATE INDEX i1 ON t1(b || 'x');
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}
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do_execsql_test 1.1 {
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SELECT 'TWOX' == (b || 'x') FROM t1 WHERE (b || 'x')>'onex'
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} {0 0}
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do_execsql_test 1.2 {
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SELECT 'TWOX' == (b || 'x') COLLATE nocase FROM t1 WHERE (b || 'x')>'onex'
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} {0 1}
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do_execsql_test 2.0 {
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CREATE INDEX i2 ON t1(a+1);
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}
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do_execsql_test 2.1 {
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SELECT a+1, quote(a+1) FROM t1 ORDER BY 1;
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} {2 2 3 3 4 4}
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#-------------------------------------------------------------------------
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# At one point SQLite was incorrectly using indexes on expressions to
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# optimize ORDER BY and GROUP BY clauses even when the collation
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# sequences of the query and index did not match (ticket [e20dd54ab0e4]).
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# The following tests - 3.* - attempt to verify that this has been fixed.
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#
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reset_db
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do_execsql_test 3.1.0 {
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CREATE TABLE t1(a, b);
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CREATE INDEX i1 ON t1(a, b);
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} {}
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do_eqp_test 3.1.1 {
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SELECT b FROM t1 WHERE b IS NOT NULL AND a IS NULL
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GROUP BY b COLLATE nocase
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ORDER BY b COLLATE nocase;
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} {/USE TEMP B-TREE FOR GROUP BY/}
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do_execsql_test 3.2.0 {
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CREATE TABLE t2(x);
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INSERT INTO t2 VALUES('.ABC');
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INSERT INTO t2 VALUES('.abcd');
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INSERT INTO t2 VALUES('.defg');
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INSERT INTO t2 VALUES('.DEF');
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} {}
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do_execsql_test 3.2.1 {
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SELECT x FROM t2 ORDER BY substr(x, 2) COLLATE nocase;
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} {
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.ABC .abcd .DEF .defg
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}
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do_execsql_test 3.2.2 {
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CREATE INDEX i2 ON t2( substr(x, 2) );
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SELECT x FROM t2 ORDER BY substr(x, 2) COLLATE nocase;
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} {
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.ABC .abcd .DEF .defg
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}
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do_execsql_test 3.3.0 {
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CREATE TABLE t3(x);
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}
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ifcapable json1 {
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do_eqp_test 3.3.1 {
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SELECT json_extract(x, '$.b') FROM t2
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WHERE json_extract(x, '$.b') IS NOT NULL AND json_extract(x, '$.a') IS NULL
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GROUP BY json_extract(x, '$.b') COLLATE nocase
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ORDER BY json_extract(x, '$.b') COLLATE nocase;
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} [string map {"\n " \n} {
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QUERY PLAN
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|--SCAN TABLE t2
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`--USE TEMP B-TREE FOR GROUP BY
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}]
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do_execsql_test 3.3.2 {
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CREATE INDEX i3 ON t3(json_extract(x, '$.a'), json_extract(x, '$.b'));
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} {}
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do_eqp_test 3.3.3 {
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SELECT json_extract(x, '$.b') FROM t3
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WHERE json_extract(x, '$.b') IS NOT NULL AND json_extract(x, '$.a') IS NULL
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GROUP BY json_extract(x, '$.b') COLLATE nocase
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ORDER BY json_extract(x, '$.b') COLLATE nocase;
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} [string map {"\n " \n} {
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QUERY PLAN
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|--SEARCH TABLE t3 USING INDEX i3 (<expr>=?)
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`--USE TEMP B-TREE FOR GROUP BY
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}]
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}
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do_execsql_test 3.4.0 {
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CREATE TABLE t4(a, b);
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INSERT INTO t4 VALUES('.ABC', 1);
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INSERT INTO t4 VALUES('.abc', 2);
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INSERT INTO t4 VALUES('.ABC', 3);
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INSERT INTO t4 VALUES('.abc', 4);
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}
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do_execsql_test 3.4.1 {
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SELECT * FROM t4
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WHERE substr(a, 2) = 'abc' COLLATE NOCASE
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ORDER BY substr(a, 2), b;
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} {
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.ABC 1 .ABC 3 .abc 2 .abc 4
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}
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do_execsql_test 3.4.2 {
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CREATE INDEX i4 ON t4( substr(a, 2) COLLATE NOCASE, b );
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SELECT * FROM t4
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WHERE substr(a, 2) = 'abc' COLLATE NOCASE
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ORDER BY substr(a, 2), b;
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} {
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.ABC 1 .ABC 3 .abc 2 .abc 4
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}
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do_execsql_test 3.4.3 {
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DROP INDEX i4;
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UPDATE t4 SET a = printf('%s%d',a,b);
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
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} {.ABC1 1 .abc2 2 .ABC3 3 .abc4 4}
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do_execsql_test 3.4.4 {
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE binary;
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} {.ABC1 1 .ABC3 3 .abc2 2 .abc4 4}
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do_execsql_test 3.4.5 {
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CREATE INDEX i4 ON t4( Substr(a,-2) COLLATE nocase );
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
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} {.ABC1 1 .abc2 2 .ABC3 3 .abc4 4}
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do_execsql_test 3.4.5eqp {
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EXPLAIN QUERY PLAN
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE nocase;
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} {/SCAN TABLE t4 USING INDEX i4/}
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do_execsql_test 3.4.6 {
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SELECT * FROM t4 ORDER BY Substr(a,-2) COLLATE binary;
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} {.ABC1 1 .ABC3 3 .abc2 2 .abc4 4}
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# 2014-09-15: Verify that UPDATEs of columns not referenced by a
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# index on expression do not modify the index.
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#
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unset -nocomplain cnt
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set cnt 0
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proc refcnt {x} {
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global cnt
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incr cnt
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return $x
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}
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db close
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sqlite3 db :memory:
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db function refcnt -deterministic refcnt
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do_test 4.100 {
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db eval {
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CREATE TABLE t1(a,b,c,d,e,f);
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CREATE INDEX t1abc ON t1(refcnt(a+b+c));
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}
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set ::cnt
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} {0}
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do_test 4.110 {
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db eval {INSERT INTO t1 VALUES(1,2,3,4,5,6);}
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set ::cnt
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# The refcnt() function is invoked once to compute the index value
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} {1}
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do_test 4.120 {
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set ::cnt 0
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db eval {UPDATE t1 SET b=b+1;}
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set ::cnt
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# The refcnt() function is invoked twice, once to remove the old index
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# entry and a second time to insert the new one.
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} {2}
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do_test 4.130 {
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set ::cnt 0
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db eval {UPDATE t1 SET d=d+1;}
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set ::cnt
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# Refcnt() should not be invoked because that index does not change.
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} {0}
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# Additional test cases to show that UPDATE does not modify indexes that
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# do not involve unchanged columns.
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#
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ifcapable vtab {
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load_static_extension db explain
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do_execsql_test 4.200 {
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CREATE TABLE t2(a,b,c,d,e,f);
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INSERT INTO t2 VALUES(2,3,4,5,6,7);
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CREATE INDEX t2abc ON t2(a+b+c);
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CREATE INDEX t2cd ON t2(c*d);
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CREATE INDEX t2def ON t2(d,e+25*f);
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SELECT sqlite_master.name
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FROM sqlite_master, explain('UPDATE t2 SET b=b+1')
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WHERE explain.opcode LIKE 'Open%'
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AND sqlite_master.rootpage=explain.p2
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ORDER BY 1;
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} {t2 t2abc}
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do_execsql_test 4.210 {
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SELECT sqlite_master.name
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FROM sqlite_master, explain('UPDATE t2 SET c=c+1')
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WHERE explain.opcode LIKE 'Open%'
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AND sqlite_master.rootpage=explain.p2
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ORDER BY 1;
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} {t2 t2abc t2cd}
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do_execsql_test 4.220 {
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SELECT sqlite_master.name
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FROM sqlite_master, explain('UPDATE t2 SET c=c+1, f=NULL')
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WHERE explain.opcode LIKE 'Open%'
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AND sqlite_master.rootpage=explain.p2
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ORDER BY 1;
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} {t2 t2abc t2cd t2def}
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}
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#-------------------------------------------------------------------------
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# Test that ticket [d96eba87] has been fixed.
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#
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do_execsql_test 5.0 {
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CREATE TABLE t5(a INTEGER, b INTEGER);
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INSERT INTO t5 VALUES(2, 4), (3, 9);
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}
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do_execsql_test 5.1 {
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SELECT * FROM t5 WHERE abs(a)=2 or abs(b)=9;
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} {2 4 3 9}
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do_execsql_test 5.2 {
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CREATE INDEX t5a ON t5( abs(a) );
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CREATE INDEX t5b ON t5( abs(b) );
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}
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do_execsql_test 5.4 {
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SELECT * FROM t5 WHERE abs(a)=2 or abs(b)=9;
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} {2 4 3 9}
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#-------------------------------------------------------------------------
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do_execsql_test 6.0 {
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CREATE TABLE x1(a INTEGER PRIMARY KEY, b);
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INSERT INTO x1 VALUES
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(1, 123), (2, '123'), (3, '123abc'), (4, 123.0), (5, 1234);
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}
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do_execsql_test 6.1.1 {
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SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
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} {1 123 2 123 3 123abc 4 123.0}
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do_execsql_test 6.1.2 {
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CREATE INDEX x1i ON x1( CAST(b AS INTEGER) );
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SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
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} {1 123 2 123 3 123abc 4 123.0}
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do_eqp_test 6.1.3 {
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SELECT a, b FROM x1 WHERE CAST(b AS INTEGER) = 123;
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} {SEARCH TABLE x1 USING INDEX x1i (<expr>=?)}
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do_execsql_test 6.2.1 {
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SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
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} {1 123 2 123}
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do_execsql_test 6.2.2 {
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CREATE INDEX x1i2 ON x1( CAST(b AS TEXT) );
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SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
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} {1 123 2 123}
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do_eqp_test 6.2.3 {
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SELECT a, b FROM x1 WHERE CAST(b AS TEXT) = 123;
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} {SEARCH TABLE x1 USING INDEX x1i2 (<expr>=?)}
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do_execsql_test 7.0 {
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CREATE TABLE IF NOT EXISTS t0(c0);
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INSERT INTO t0(c0) VALUES (-9223372036854775808);
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BEGIN;
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}
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do_catchsql_test 7.1 {
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CREATE INDEX i0 ON t0(ABS(c0));
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} {1 {integer overflow}}
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do_execsql_test 7.2 {
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COMMIT;
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SELECT sql FROM sqlite_master WHERE tbl_name = 't0';
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CREATE INDEX i0 ON t0(c0);
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} {{CREATE TABLE t0(c0)}}
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do_execsql_test 7.3 {
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REINDEX;
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} {}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 8.0 {
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CREATE TABLE t0(c0);
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CREATE INDEX i0 ON t0(c0) WHERE c0 NOT NULL;
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INSERT INTO t0(c0) VALUES (NULL);
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}
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do_execsql_test 8.1.1 {
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SELECT * FROM t0 WHERE ~('' BETWEEN t0.c0 AND TRUE);
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} {{}}
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do_execsql_test 8.1.2 {
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SELECT ~('' BETWEEN t0.c0 AND TRUE) FROM t0;
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} {-1}
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foreach {tn expr} {
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1 " 0 == (34 BETWEEN c0 AND 33)"
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2 " 1 != (34 BETWEEN c0 AND 33)"
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3 "-1 < (34 BETWEEN c0 AND 33)"
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4 "-1 <= (34 BETWEEN c0 AND 33)"
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5 " 1 > (34 BETWEEN c0 AND 33)"
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6 " 1 >= (34 BETWEEN c0 AND 33)"
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7 " 1 - (34 BETWEEN c0 AND 33)"
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8 "-1 + (34 BETWEEN c0 AND 33)"
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9 " 1 | (34 BETWEEN c0 AND 33)"
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10 " 1 << (34 BETWEEN c0 AND 33)"
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11 " 1 >> (34 BETWEEN c0 AND 33)"
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12 " 1 || (34 BETWEEN c0 AND 33)"
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} {
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do_execsql_test 8.3.$tn.1 "SELECT * FROM t0 WHERE $expr ORDER BY c0" { {} }
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do_execsql_test 8.3.$tn.2 "SELECT ($expr) IS TRUE FROM t0" { 1 }
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}
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do_execsql_test 8.4 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2), (3, 4);
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CREATE TABLE t2(x, y);
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}
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foreach {tn expr} {
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1 " 0 == (a=0 AND y=1)"
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2 " 1 != (a=0 AND y=1)"
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3 "-1 < (a=0 AND y=1)"
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4 "-1 <= (a=0 AND y=1)"
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5 " 1 > (a=0 AND y=1)"
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6 " 1 >= (a=0 AND y=1)"
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7 " 1 - (a=0 AND y=1)"
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8 "-1 + (a=0 AND y=1)"
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9 " 1 | (a=0 AND y=1)"
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10 "1 << (a=0 AND y=1)"
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11 "1 >> (a=0 AND y=1)"
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12 "1 || (a=0 AND y=1)"
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13 " 0 == (10 BETWEEN y AND b)"
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14 " 1 != (10 BETWEEN y AND b)"
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15 "-1 < (10 BETWEEN y AND b)"
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16 "-1 <= (10 BETWEEN y AND b)"
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17 " 1 > (10 BETWEEN y AND b)"
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18 " 1 >= (10 BETWEEN y AND b)"
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19 " 1 - (10 BETWEEN y AND b)"
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20 "-1 + (10 BETWEEN y AND b)"
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21 " 1 | (10 BETWEEN y AND b)"
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22 " 1 << (10 BETWEEN y AND b)"
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23 " 1 >> (10 BETWEEN y AND b)"
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24 " 1 || (10 BETWEEN y AND b)"
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25 " 1 || (10 BETWEEN y AND b)"
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} {
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do_execsql_test 8.5.$tn.1 "
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SELECT * FROM t1 LEFT JOIN t2 WHERE $expr
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" {1 2 {} {} 3 4 {} {}}
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do_execsql_test 8.5.$tn.2 "
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SELECT ($expr) IS TRUE FROM t1 LEFT JOIN t2
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" {1 1}
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}
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finish_test
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