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| 1 # 2015-03-16 | |
| 2 # | |
| 3 # The author disclaims copyright to this source code. In place of | |
| 4 # a legal notice, here is a blessing: | |
| 5 # | |
| 6 # May you do good and not evil. | |
| 7 # May you find forgiveness for yourself and forgive others. | |
| 8 # May you share freely, never taking more than you give. | |
| 9 # | |
| 10 #*********************************************************************** | |
| 11 # This file implements regression tests for SQLite library. The | |
| 12 # focus of this file is testing OR expressions where terms can be | |
| 13 # factored from either side of the OR and combined into a single new | |
| 14 # AND term that is beneficial to the search. Examples: | |
| 15 # | |
| 16 # (x>A OR x=A) --> ... AND (x>=A) | |
| 17 # (x>A OR (x=A AND y>=B) --> ... AND (x>=A) | |
| 18 # | |
| 19 | |
| 20 | |
| 21 | |
| 22 set testdir [file dirname $argv0] | |
| 23 source $testdir/tester.tcl | |
| 24 set ::testprefix whereK | |
| 25 | |
| 26 do_execsql_test 1.1 { | |
| 27 CREATE TABLE t1(a,b,c); | |
| 28 WITH RECURSIVE c(x) AS (VALUES(0) UNION ALL SELECT x+1 FROM c WHERE x<99) | |
| 29 INSERT INTO t1(a,b,c) SELECT x, x/10, x%10 FROM c; | |
| 30 CREATE INDEX t1bc ON t1(b,c); | |
| 31 SELECT a FROM t1 WHERE b>9 OR b=9 ORDER BY +a; | |
| 32 } {90 91 92 93 94 95 96 97 98 99} | |
| 33 do_execsql_test 1.1eqp { | |
| 34 EXPLAIN QUERY PLAN | |
| 35 SELECT a FROM t1 WHERE b>9 OR b=9 ORDER BY +a; | |
| 36 } {/SEARCH TABLE t1 USING INDEX t1bc/} | |
| 37 | |
| 38 do_execsql_test 1.2 { | |
| 39 SELECT a FROM t1 WHERE b>8 OR (b=8 AND c>7) ORDER BY +a; | |
| 40 } {88 89 90 91 92 93 94 95 96 97 98 99} | |
| 41 do_execsql_test 1.2eqp { | |
| 42 EXPLAIN QUERY PLAN | |
| 43 SELECT a FROM t1 WHERE b>8 OR (b=8 AND c>7) ORDER BY +a; | |
| 44 } {/SEARCH TABLE t1 USING INDEX t1bc/} | |
| 45 | |
| 46 do_execsql_test 1.3 { | |
| 47 SELECT a FROM t1 WHERE (b=8 AND c>7) OR b>8 ORDER BY +a; | |
| 48 } {88 89 90 91 92 93 94 95 96 97 98 99} | |
| 49 do_execsql_test 1.3eqp { | |
| 50 EXPLAIN QUERY PLAN | |
| 51 SELECT a FROM t1 WHERE (b=8 AND c>7) OR b>8 ORDER BY +a; | |
| 52 } {/SEARCH TABLE t1 USING INDEX t1bc/} | |
| 53 | |
| 54 do_execsql_test 1.4 { | |
| 55 SELECT a FROM t1 WHERE (b=8 AND c>7) OR 8<b ORDER BY +a; | |
| 56 } {88 89 90 91 92 93 94 95 96 97 98 99} | |
| 57 do_execsql_test 1.4eqp { | |
| 58 EXPLAIN QUERY PLAN | |
| 59 SELECT a FROM t1 WHERE (b=8 AND c>7) OR 8<b ORDER BY +a; | |
| 60 } {/SEARCH TABLE t1 USING INDEX t1bc/} | |
| 61 | |
| 62 do_execsql_test 1.5 { | |
| 63 SELECT a FROM t1 WHERE (b=8 AND c>7) OR (b>8 AND c NOT IN (4,5,6)) | |
| 64 ORDER BY +a; | |
| 65 } {88 89 90 91 92 93 97 98 99} | |
| 66 do_execsql_test 1.5eqp { | |
| 67 EXPLAIN QUERY PLAN | |
| 68 SELECT a FROM t1 WHERE (b=8 AND c>7) OR (b>8 AND c NOT IN (4,5,6)) | |
| 69 ORDER BY +a; | |
| 70 } {/SEARCH TABLE t1 USING INDEX t1bc/} | |
| 71 | |
| 72 finish_test | |
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Chromium Code Reviews
Issue 2846743003:
[sql] Remove SQLite 3.10.2 reference directory. (Closed)
