271 lines
7.1 KiB
Plaintext
271 lines
7.1 KiB
Plaintext
#
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# 2001 September 15
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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 DISTINCT, UNION, INTERSECT and EXCEPT
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# SELECT statements that use user-defined collation sequences. Also
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# GROUP BY clauses that use user-defined collation sequences.
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#
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# $Id: collate5.test,v 1.3 2005/01/21 04:25:47 danielk1977 Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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#
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# Tests are organised as follows:
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# collate5-1.* - DISTINCT
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# collate5-2.* - Compound SELECT
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# collate5-3.* - ORDER BY on compound SELECT
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# collate5-4.* - GROUP BY
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# Create the collation sequence 'TEXT', purely for asthetic reasons. The
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# test cases in this script could just as easily use BINARY.
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db collate TEXT [list string compare]
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# Mimic the SQLite 2 collation type NUMERIC.
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db collate numeric numeric_collate
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proc numeric_collate {lhs rhs} {
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if {$lhs == $rhs} {return 0}
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return [expr ($lhs>$rhs)?1:-1]
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}
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#
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# These tests - collate5-1.* - focus on the DISTINCT keyword.
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#
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do_test collate5-1.0 {
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execsql {
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CREATE TABLE collate5t1(a COLLATE nocase, b COLLATE text);
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INSERT INTO collate5t1 VALUES('a', 'apple');
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INSERT INTO collate5t1 VALUES('A', 'Apple');
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INSERT INTO collate5t1 VALUES('b', 'banana');
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INSERT INTO collate5t1 VALUES('B', 'banana');
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INSERT INTO collate5t1 VALUES('n', NULL);
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INSERT INTO collate5t1 VALUES('N', NULL);
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}
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} {}
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do_test collate5-1.1 {
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execsql {
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SELECT DISTINCT a FROM collate5t1;
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}
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} {a b n}
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do_test collate5-1.2 {
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execsql {
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SELECT DISTINCT b FROM collate5t1;
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}
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} {apple Apple banana {}}
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do_test collate5-1.3 {
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execsql {
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SELECT DISTINCT a, b FROM collate5t1;
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}
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} {a apple A Apple b banana n {}}
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# The remainder of this file tests compound SELECT statements.
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# Omit it if the library is compiled such that they are omitted.
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#
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ifcapable !compound {
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finish_test
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return
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}
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#
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# Tests named collate5-2.* focus on UNION, EXCEPT and INTERSECT
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# queries that use user-defined collation sequences.
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#
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# collate5-2.1.* - UNION
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# collate5-2.2.* - INTERSECT
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# collate5-2.3.* - EXCEPT
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#
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do_test collate5-2.0 {
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execsql {
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CREATE TABLE collate5t2(a COLLATE text, b COLLATE nocase);
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INSERT INTO collate5t2 VALUES('a', 'apple');
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INSERT INTO collate5t2 VALUES('A', 'apple');
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INSERT INTO collate5t2 VALUES('b', 'banana');
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INSERT INTO collate5t2 VALUES('B', 'Banana');
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}
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} {}
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do_test collate5-2.1.1 {
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execsql {
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SELECT a FROM collate5t1 UNION select a FROM collate5t2;
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}
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} {A B N}
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do_test collate5-2.1.2 {
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execsql {
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SELECT a FROM collate5t2 UNION select a FROM collate5t1;
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}
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} {A B N a b n}
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do_test collate5-2.1.3 {
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execsql {
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SELECT a, b FROM collate5t1 UNION select a, b FROM collate5t2;
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}
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} {A Apple A apple B Banana b banana N {}}
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do_test collate5-2.1.4 {
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execsql {
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SELECT a, b FROM collate5t2 UNION select a, b FROM collate5t1;
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}
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} {A Apple B banana N {} a apple b banana n {}}
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do_test collate5-2.2.1 {
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execsql {
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SELECT a FROM collate5t1 EXCEPT select a FROM collate5t2;
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}
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} {N}
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do_test collate5-2.2.2 {
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execsql {
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SELECT a FROM collate5t2 EXCEPT select a FROM collate5t1 WHERE a != 'a';
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}
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} {A a}
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do_test collate5-2.2.3 {
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execsql {
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SELECT a, b FROM collate5t1 EXCEPT select a, b FROM collate5t2;
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}
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} {A Apple N {}}
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do_test collate5-2.2.4 {
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execsql {
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SELECT a, b FROM collate5t2 EXCEPT select a, b FROM collate5t1
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where a != 'a';
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}
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} {A apple a apple}
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do_test collate5-2.3.1 {
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execsql {
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SELECT a FROM collate5t1 INTERSECT select a FROM collate5t2;
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}
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} {A B}
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do_test collate5-2.3.2 {
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execsql {
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SELECT a FROM collate5t2 INTERSECT select a FROM collate5t1 WHERE a != 'a';
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}
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} {B b}
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do_test collate5-2.3.3 {
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execsql {
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SELECT a, b FROM collate5t1 INTERSECT select a, b FROM collate5t2;
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}
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} {a apple B banana}
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do_test collate5-2.3.4 {
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execsql {
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SELECT a, b FROM collate5t2 INTERSECT select a, b FROM collate5t1;
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}
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} {A apple B Banana a apple b banana}
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#
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# This test ensures performs a UNION operation with a bunch of different
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# length records. The goal is to test that the logic that compares records
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# for the compound SELECT operators works with record lengths that lie
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# either side of the troublesome 256 and 65536 byte marks.
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#
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set ::lens [list \
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0 1 2 3 4 5 6 7 8 9 \
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240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 \
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257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 \
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65520 65521 65522 65523 65524 65525 65526 65527 65528 65529 65530 \
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65531 65532 65533 65534 65535 65536 65537 65538 65539 65540 65541 \
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65542 65543 65544 65545 65546 65547 65548 65549 65550 65551 ]
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do_test collate5-2.4.0 {
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execsql {
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BEGIN;
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CREATE TABLE collate5t3(a, b);
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}
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foreach ii $::lens {
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execsql "INSERT INTO collate5t3 VALUES($ii, '[string repeat a $ii]');"
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}
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expr [llength [execsql {
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COMMIT;
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SELECT * FROM collate5t3 UNION SELECT * FROM collate5t3;
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}]] / 2
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} [llength $::lens]
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do_test collate5-2.4.1 {
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execsql {DROP TABLE collate5t3;}
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} {}
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unset ::lens
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#
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# These tests - collate5-3.* - focus on compound SELECT queries that
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# feature ORDER BY clauses.
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#
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do_test collate5-3.0 {
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execsql {
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SELECT a FROM collate5t1 UNION ALL SELECT a FROM collate5t2 ORDER BY 1;
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}
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} {A a A a B b B b N n}
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do_test collate5-3.1 {
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execsql {
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SELECT a FROM collate5t2 UNION ALL SELECT a FROM collate5t1 ORDER BY 1;
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}
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} {A A B B N a a b b n}
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do_test collate5-3.2 {
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execsql {
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SELECT a FROM collate5t1 UNION ALL SELECT a FROM collate5t2
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ORDER BY 1 COLLATE TEXT;
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}
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} {A A B B N a a b b n}
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do_test collate5-3.3 {
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execsql {
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CREATE TABLE collate5t_cn(a COLLATE NUMERIC);
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CREATE TABLE collate5t_ct(a COLLATE TEXT);
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INSERT INTO collate5t_cn VALUES('1');
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INSERT INTO collate5t_cn VALUES('11');
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INSERT INTO collate5t_cn VALUES('101');
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INSERT INTO collate5t_ct SELECT * FROM collate5t_cn;
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}
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} {}
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do_test collate5-3.4 {
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execsql {
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SELECT a FROM collate5t_cn INTERSECT SELECT a FROM collate5t_ct ORDER BY 1;
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}
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} {1 11 101}
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do_test collate5-3.5 {
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execsql {
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SELECT a FROM collate5t_ct INTERSECT SELECT a FROM collate5t_cn ORDER BY 1;
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}
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} {1 101 11}
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do_test collate5-3.20 {
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execsql {
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DROP TABLE collate5t_cn;
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DROP TABLE collate5t_ct;
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DROP TABLE collate5t1;
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DROP TABLE collate5t2;
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}
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} {}
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do_test collate5-4.0 {
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execsql {
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CREATE TABLE collate5t1(a COLLATE NOCASE, b COLLATE NUMERIC);
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INSERT INTO collate5t1 VALUES('a', '1');
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INSERT INTO collate5t1 VALUES('A', '1.0');
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INSERT INTO collate5t1 VALUES('b', '2');
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INSERT INTO collate5t1 VALUES('B', '3');
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}
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} {}
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do_test collate5-4.1 {
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execsql {
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SELECT a, count(*) FROM collate5t1 GROUP BY a;
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}
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} {a 2 b 2}
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do_test collate5-4.2 {
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execsql {
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SELECT a, b, count(*) FROM collate5t1 GROUP BY a, b;
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}
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} {a 1 2 b 2 1 B 3 1}
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do_test collate5-4.3 {
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execsql {
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DROP TABLE collate5t1;
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}
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} {}
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finish_test
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