| OLD | NEW |
|---|
| (Empty) |
| 1 # 2009-02-24 | |
| 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 "SELECT count(*)" statements. | |
| 13 # | |
| 14 | |
| 15 set testdir [file dirname $argv0] | |
| 16 source $testdir/tester.tcl | |
| 17 | |
| 18 # Test plan: | |
| 19 # | |
| 20 # count-0.*: Make sure count(*) works on an empty database. (Ticket #3774) | |
| 21 # | |
| 22 # count-1.*: Test that the OP_Count instruction appears to work on both | |
| 23 # tables and indexes. Test both when they contain 0 entries, | |
| 24 # when all entries are on the root page, and when the b-tree | |
| 25 # forms a structure 2 and 3 levels deep. | |
| 26 # | |
| 27 # | |
| 28 | |
| 29 do_test count-0.1 { | |
| 30 db eval { | |
| 31 SELECT count(*) FROM sqlite_master; | |
| 32 } | |
| 33 } {0} | |
| 34 | |
| 35 set iTest 0 | |
| 36 foreach zIndex [list { | |
| 37 /* no-op */ | |
| 38 } { | |
| 39 CREATE INDEX i1 ON t1(a); | |
| 40 }] { | |
| 41 incr iTest | |
| 42 do_test count-1.$iTest.1 { | |
| 43 execsql { | |
| 44 DROP TABLE IF EXISTS t1; | |
| 45 CREATE TABLE t1(a, b); | |
| 46 } | |
| 47 execsql $zIndex | |
| 48 execsql { SELECT count(*) FROM t1 } | |
| 49 } {0} | |
| 50 | |
| 51 do_test count-1.$iTest.2 { | |
| 52 execsql { | |
| 53 INSERT INTO t1 VALUES(1, 2); | |
| 54 INSERT INTO t1 VALUES(3, 4); | |
| 55 SELECT count(*) FROM t1; | |
| 56 } | |
| 57 } {2} | |
| 58 | |
| 59 do_test count-1.$iTest.3 { | |
| 60 execsql { | |
| 61 INSERT INTO t1 SELECT * FROM t1; -- 4 | |
| 62 INSERT INTO t1 SELECT * FROM t1; -- 8 | |
| 63 INSERT INTO t1 SELECT * FROM t1; -- 16 | |
| 64 INSERT INTO t1 SELECT * FROM t1; -- 32 | |
| 65 INSERT INTO t1 SELECT * FROM t1; -- 64 | |
| 66 INSERT INTO t1 SELECT * FROM t1; -- 128 | |
| 67 INSERT INTO t1 SELECT * FROM t1; -- 256 | |
| 68 SELECT count(*) FROM t1; | |
| 69 } | |
| 70 } {256} | |
| 71 | |
| 72 do_test count-1.$iTest.4 { | |
| 73 execsql { | |
| 74 INSERT INTO t1 SELECT * FROM t1; -- 512 | |
| 75 INSERT INTO t1 SELECT * FROM t1; -- 1024 | |
| 76 INSERT INTO t1 SELECT * FROM t1; -- 2048 | |
| 77 INSERT INTO t1 SELECT * FROM t1; -- 4096 | |
| 78 SELECT count(*) FROM t1; | |
| 79 } | |
| 80 } {4096} | |
| 81 | |
| 82 do_test count-1.$iTest.5 { | |
| 83 execsql { | |
| 84 BEGIN; | |
| 85 INSERT INTO t1 SELECT * FROM t1; -- 8192 | |
| 86 INSERT INTO t1 SELECT * FROM t1; -- 16384 | |
| 87 INSERT INTO t1 SELECT * FROM t1; -- 32768 | |
| 88 INSERT INTO t1 SELECT * FROM t1; -- 65536 | |
| 89 COMMIT; | |
| 90 SELECT count(*) FROM t1; | |
| 91 } | |
| 92 } {65536} | |
| 93 } | |
| 94 | |
| 95 proc uses_op_count {sql} { | |
| 96 if {[lsearch [execsql "EXPLAIN $sql"] Count]>=0} { | |
| 97 return 1; | |
| 98 } | |
| 99 return 0 | |
| 100 } | |
| 101 | |
| 102 do_test count-2.1 { | |
| 103 execsql { | |
| 104 CREATE TABLE t2(a, b); | |
| 105 } | |
| 106 uses_op_count {SELECT count(*) FROM t2} | |
| 107 } {1} | |
| 108 do_test count-2.2 { | |
| 109 catchsql {SELECT count(DISTINCT *) FROM t2} | |
| 110 } {1 {near "*": syntax error}} | |
| 111 do_test count-2.3 { | |
| 112 uses_op_count {SELECT count(DISTINCT a) FROM t2} | |
| 113 } {0} | |
| 114 do_test count-2.4 { | |
| 115 uses_op_count {SELECT count(a) FROM t2} | |
| 116 } {0} | |
| 117 do_test count-2.5 { | |
| 118 uses_op_count {SELECT count() FROM t2} | |
| 119 } {1} | |
| 120 do_test count-2.6 { | |
| 121 catchsql {SELECT count(DISTINCT) FROM t2} | |
| 122 } {1 {DISTINCT aggregates must have exactly one argument}} | |
| 123 do_test count-2.7 { | |
| 124 uses_op_count {SELECT count(*)+1 FROM t2} | |
| 125 } {0} | |
| 126 do_test count-2.8 { | |
| 127 uses_op_count {SELECT count(*) FROM t2 WHERE a IS NOT NULL} | |
| 128 } {0} | |
| 129 do_test count-2.9 { | |
| 130 catchsql {SELECT count(*) FROM t2 HAVING count(*)>1} | |
| 131 } {1 {a GROUP BY clause is required before HAVING}} | |
| 132 do_test count-2.10 { | |
| 133 uses_op_count {SELECT count(*) FROM (SELECT 1)} | |
| 134 } {0} | |
| 135 do_test count-2.11 { | |
| 136 execsql { CREATE VIEW v1 AS SELECT 1 AS a } | |
| 137 uses_op_count {SELECT count(*) FROM v1} | |
| 138 } {0} | |
| 139 do_test count-2.12 { | |
| 140 uses_op_count {SELECT count(*), max(a) FROM t2} | |
| 141 } {0} | |
| 142 do_test count-2.13 { | |
| 143 uses_op_count {SELECT count(*) FROM t1, t2} | |
| 144 } {0} | |
| 145 | |
| 146 ifcapable vtab { | |
| 147 register_echo_module [sqlite3_connection_pointer db] | |
| 148 do_test count-2.14 { | |
| 149 execsql { CREATE VIRTUAL TABLE techo USING echo(t1); } | |
| 150 uses_op_count {SELECT count(*) FROM techo} | |
| 151 } {0} | |
| 152 } | |
| 153 | |
| 154 do_test count-3.1 { | |
| 155 execsql { | |
| 156 CREATE TABLE t3(a, b); | |
| 157 SELECT a FROM (SELECT count(*) AS a FROM t3) WHERE a==0; | |
| 158 } | |
| 159 } {0} | |
| 160 do_test count-3.2 { | |
| 161 execsql { | |
| 162 SELECT a FROM (SELECT count(*) AS a FROM t3) WHERE a==1; | |
| 163 } | |
| 164 } {} | |
| 165 | |
| 166 do_test count-4.1 { | |
| 167 execsql { | |
| 168 CREATE TABLE t4(a, b); | |
| 169 INSERT INTO t4 VALUES('a', 'b'); | |
| 170 CREATE INDEX t4i1 ON t4(b, a); | |
| 171 SELECT count(*) FROM t4; | |
| 172 } | |
| 173 } {1} | |
| 174 do_test count-4.2 { | |
| 175 execsql { | |
| 176 CREATE INDEX t4i2 ON t4(b); | |
| 177 SELECT count(*) FROM t4; | |
| 178 } | |
| 179 } {1} | |
| 180 do_test count-4.3 { | |
| 181 execsql { | |
| 182 DROP INDEX t4i1; | |
| 183 CREATE INDEX t4i1 ON t4(b, a); | |
| 184 SELECT count(*) FROM t4; | |
| 185 } | |
| 186 } {1} | |
| 187 | |
| 188 do_execsql_test count-5.1 { | |
| 189 CREATE TABLE t5(a TEXT PRIMARY KEY, b VARCHAR(50)) WITHOUT ROWID; | |
| 190 INSERT INTO t5 VALUES('bison','jazz'); | |
| 191 SELECT count(*) FROM t5; | |
| 192 } {1} | |
| 193 | |
| 194 finish_test | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2363173002:
[sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
