| Index: third_party/sqlite/test/count.test
|
| ===================================================================
|
| --- third_party/sqlite/test/count.test (revision 56608)
|
| +++ third_party/sqlite/test/count.test (working copy)
|
| @@ -1,192 +0,0 @@
|
| -# 2009 February 24
|
| -#
|
| -# The author disclaims copyright to this source code. In place of
|
| -# a legal notice, here is a blessing:
|
| -#
|
| -# May you do good and not evil.
|
| -# May you find forgiveness for yourself and forgive others.
|
| -# May you share freely, never taking more than you give.
|
| -#
|
| -#***********************************************************************
|
| -# This file implements regression tests for SQLite library. The
|
| -# focus of this file is testing "SELECT count(*)" statements.
|
| -#
|
| -# $Id: count.test,v 1.6 2009/06/05 17:09:12 drh Exp $
|
| -
|
| -set testdir [file dirname $argv0]
|
| -source $testdir/tester.tcl
|
| -
|
| -# Test plan:
|
| -#
|
| -# count-0.*: Make sure count(*) works on an empty database. (Ticket #3774)
|
| -#
|
| -# count-1.*: Test that the OP_Count instruction appears to work on both
|
| -# tables and indexes. Test both when they contain 0 entries,
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| -# when all entries are on the root page, and when the b-tree
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| -# forms a structure 2 and 3 levels deep.
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| -#
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| -# count-2.*: Test that
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| -#
|
| -#
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| -
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| -do_test count-0.1 {
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| - db eval {
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| - SELECT count(*) FROM sqlite_master;
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| - }
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| -} {0}
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| -
|
| -set iTest 0
|
| -foreach zIndex [list {
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| - /* no-op */
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| -} {
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| - CREATE INDEX i1 ON t1(a);
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| -}] {
|
| - incr iTest
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| - do_test count-1.$iTest.1 {
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| - execsql {
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| - DROP TABLE IF EXISTS t1;
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| - CREATE TABLE t1(a, b);
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| - }
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| - execsql $zIndex
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| - execsql { SELECT count(*) FROM t1 }
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| - } {0}
|
| -
|
| - do_test count-1.$iTest.2 {
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| - execsql {
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| - INSERT INTO t1 VALUES(1, 2);
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| - INSERT INTO t1 VALUES(3, 4);
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| - SELECT count(*) FROM t1;
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| - }
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| - } {2}
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| -
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| - do_test count-1.$iTest.3 {
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| - execsql {
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| - INSERT INTO t1 SELECT * FROM t1; -- 4
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| - INSERT INTO t1 SELECT * FROM t1; -- 8
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| - INSERT INTO t1 SELECT * FROM t1; -- 16
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| - INSERT INTO t1 SELECT * FROM t1; -- 32
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| - INSERT INTO t1 SELECT * FROM t1; -- 64
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| - INSERT INTO t1 SELECT * FROM t1; -- 128
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| - INSERT INTO t1 SELECT * FROM t1; -- 256
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| - SELECT count(*) FROM t1;
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| - }
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| - } {256}
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| -
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| - do_test count-1.$iTest.4 {
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| - execsql {
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| - INSERT INTO t1 SELECT * FROM t1; -- 512
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| - INSERT INTO t1 SELECT * FROM t1; -- 1024
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| - INSERT INTO t1 SELECT * FROM t1; -- 2048
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| - INSERT INTO t1 SELECT * FROM t1; -- 4096
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| - SELECT count(*) FROM t1;
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| - }
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| - } {4096}
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| -
|
| - do_test count-1.$iTest.5 {
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| - execsql {
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| - BEGIN;
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| - INSERT INTO t1 SELECT * FROM t1; -- 8192
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| - INSERT INTO t1 SELECT * FROM t1; -- 16384
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| - INSERT INTO t1 SELECT * FROM t1; -- 32768
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| - INSERT INTO t1 SELECT * FROM t1; -- 65536
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| - COMMIT;
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| - SELECT count(*) FROM t1;
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| - }
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| - } {65536}
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| -}
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| -
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| -proc uses_op_count {sql} {
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| - if {[lsearch [execsql "EXPLAIN $sql"] Count]>=0} {
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| - return 1;
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| - }
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| - return 0
|
| -}
|
| -
|
| -do_test count-2.1 {
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| - execsql {
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| - CREATE TABLE t2(a, b);
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| - }
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| - uses_op_count {SELECT count(*) FROM t2}
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| -} {1}
|
| -do_test count-2.2 {
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| - catchsql {SELECT count(DISTINCT *) FROM t2}
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| -} {1 {near "*": syntax error}}
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| -do_test count-2.3 {
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| - uses_op_count {SELECT count(DISTINCT a) FROM t2}
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| -} {0}
|
| -do_test count-2.4 {
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| - uses_op_count {SELECT count(a) FROM t2}
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| -} {0}
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| -do_test count-2.5 {
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| - uses_op_count {SELECT count() FROM t2}
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| -} {1}
|
| -do_test count-2.6 {
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| - catchsql {SELECT count(DISTINCT) FROM t2}
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| -} {1 {DISTINCT aggregates must have exactly one argument}}
|
| -do_test count-2.7 {
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| - uses_op_count {SELECT count(*)+1 FROM t2}
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| -} {0}
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| -do_test count-2.8 {
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| - uses_op_count {SELECT count(*) FROM t2 WHERE a IS NOT NULL}
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| -} {0}
|
| -do_test count-2.9 {
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| - catchsql {SELECT count(*) FROM t2 HAVING count(*)>1}
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| -} {1 {a GROUP BY clause is required before HAVING}}
|
| -do_test count-2.10 {
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| - uses_op_count {SELECT count(*) FROM (SELECT 1)}
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| -} {0}
|
| -do_test count-2.11 {
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| - execsql { CREATE VIEW v1 AS SELECT 1 AS a }
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| - uses_op_count {SELECT count(*) FROM v1}
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| -} {0}
|
| -do_test count-2.12 {
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| - uses_op_count {SELECT count(*), max(a) FROM t2}
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| -} {0}
|
| -do_test count-2.13 {
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| - uses_op_count {SELECT count(*) FROM t1, t2}
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| -} {0}
|
| -
|
| -ifcapable vtab {
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| - register_echo_module [sqlite3_connection_pointer db]
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| - do_test count-2.14 {
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| - execsql { CREATE VIRTUAL TABLE techo USING echo(t1); }
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| - uses_op_count {SELECT count(*) FROM techo}
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| - } {0}
|
| -}
|
| -
|
| -do_test count-3.1 {
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| - execsql {
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| - CREATE TABLE t3(a, b);
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| - SELECT a FROM (SELECT count(*) AS a FROM t3) WHERE a==0;
|
| - }
|
| -} {0}
|
| -do_test count-3.2 {
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| - execsql {
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| - SELECT a FROM (SELECT count(*) AS a FROM t3) WHERE a==1;
|
| - }
|
| -} {}
|
| -
|
| -do_test count-4.1 {
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| - execsql {
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| - CREATE TABLE t4(a, b);
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| - INSERT INTO t4 VALUES('a', 'b');
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| - CREATE INDEX t4i1 ON t4(b, a);
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| - SELECT count(*) FROM t4;
|
| - }
|
| -} {1}
|
| -do_test count-4.2 {
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| - execsql {
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| - CREATE INDEX t4i2 ON t4(b);
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| - SELECT count(*) FROM t4;
|
| - }
|
| -} {1}
|
| -do_test count-4.3 {
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| - execsql {
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| - DROP INDEX t4i1;
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| - CREATE INDEX t4i1 ON t4(b, a);
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| - SELECT count(*) FROM t4;
|
| - }
|
| -} {1}
|
| -
|
| -
|
| -finish_test
|
|
|