98 lines
2.5 KiB
Plaintext
98 lines
2.5 KiB
Plaintext
# 2013-06-14
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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 that the optimizations that disable
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# ORDER BY clauses work correctly
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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 orderby5
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# Generate test data for a join. Verify that the join gets the
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# correct answer.
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#
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do_execsql_test 1.1 {
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CREATE TABLE t1(a,b,c);
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CREATE INDEX t1bc ON t1(b,c);
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EXPLAIN QUERY PLAN
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SELECT DISTINCT a, b, c FROM t1 WHERE a=0;
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} {~/B-TREE/}
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do_execsql_test 1.2.1 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT a, c, b FROM t1 WHERE a=0;
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} {~/B-TREE/}
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do_execsql_test 1.2.2 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT a, c, b FROM t1 WHERE a='xyz' COLLATE nocase;
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} {/B-TREE/}
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do_execsql_test 1.2.3 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT a COLLATE nocase, c, b FROM t1 WHERE a='xyz';
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} {/B-TREE/}
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do_execsql_test 1.2.4 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT a COLLATE nocase, c, b FROM t1 WHERE a='xyz' COLLATE nocase;
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} {~/B-TREE/}
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do_execsql_test 1.3 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT b, a, c FROM t1 WHERE a=0;
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} {~/B-TREE/}
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do_execsql_test 1.4 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT b, c, a FROM t1 WHERE a=0;
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} {~/B-TREE/}
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do_execsql_test 1.5 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT c, a, b FROM t1 WHERE a=0;
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} {~/B-TREE/}
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do_execsql_test 1.6 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT c, b, a FROM t1 WHERE a=0;
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} {~/B-TREE/}
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do_execsql_test 1.7 {
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EXPLAIN QUERY PLAN
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SELECT DISTINCT c, b, a FROM t1 WHERE +a=0;
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} {/B-TREE/}
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do_execsql_test 2.1 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a=0 ORDER BY a, b, c;
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} {~/B-TREE/}
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do_execsql_test 2.2 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE +a=0 ORDER BY a, b, c;
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} {/B-TREE/}
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do_execsql_test 2.3 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a=0 ORDER BY b, a, c;
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} {~/B-TREE/}
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do_execsql_test 2.4 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a=0 ORDER BY b, c, a;
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} {~/B-TREE/}
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do_execsql_test 2.5 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a=0 ORDER BY a, c, b;
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} {/B-TREE/}
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do_execsql_test 2.6 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a=0 ORDER BY c, a, b;
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} {/B-TREE/}
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do_execsql_test 2.7 {
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EXPLAIN QUERY PLAN
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SELECT * FROM t1 WHERE a=0 ORDER BY c, b, a;
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} {/B-TREE/}
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finish_test
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