1bee3d7b43
ODBC driver. Fixed a but on count(*) when applied to empty tables. (CVS 289) FossilOrigin-Name: 747bf1b30b74cfd0e9c27e7c0bc5172637f35520
87 lines
2.4 KiB
Plaintext
87 lines
2.4 KiB
Plaintext
# 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 the INSERT statement that takes is
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# result from a SELECT.
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#
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# $Id: insert2.test,v 1.5 2001/10/15 00:44:36 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Create some tables with data that we can select against
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#
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do_test insert2-1.0 {
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execsql {CREATE TABLE d1(n int, log int);}
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for {set i 1} {$i<=20} {incr i} {
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for {set j 0} {pow(2,$j)<$i} {incr j} {}
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execsql "INSERT INTO d1 VALUES($i,$j)"
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}
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execsql {SELECT * FROM d1 ORDER BY n}
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} {1 0 2 1 3 2 4 2 5 3 6 3 7 3 8 3 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 5 18 5 19 5 20 5}
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# Insert into a new table from the old one.
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#
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do_test insert2-1.1.1 {
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execsql {
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CREATE TABLE t1(log int, cnt int);
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PRAGMA count_changes=on;
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INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
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}
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} {6}
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do_test insert2-1.1.2 {
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execsql {SELECT * FROM t1 ORDER BY log}
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} {0 1 1 1 2 2 3 4 4 8 5 4}
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do_test insert2-1.2.1 {
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catch {execsql {DROP TABLE t1}}
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execsql {
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CREATE TABLE t1(log int, cnt int);
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INSERT INTO t1
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SELECT log, count(*) FROM d1 GROUP BY log
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EXCEPT SELECT n-1,log FROM d1;
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}
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} {4}
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do_test insert2-1.2.2 {
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execsql {
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SELECT * FROM t1 ORDER BY log;
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}
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} {0 1 3 4 4 8 5 4}
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do_test insert2-1.3.1 {
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catch {execsql {DROP TABLE t1}}
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execsql {
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CREATE TABLE t1(log int, cnt int);
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PRAGMA count_changes=off;
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INSERT INTO t1
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SELECT log, count(*) FROM d1 GROUP BY log
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INTERSECT SELECT n-1,log FROM d1;
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}
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} {}
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do_test insert2-1.3.2 {
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execsql {
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SELECT * FROM t1 ORDER BY log;
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}
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} {1 1 2 2}
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do_test insert2-1.4 {
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catch {execsql {DROP TABLE t1}}
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set r [execsql {
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CREATE TABLE t1(log int, cnt int);
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CREATE INDEX i1 ON t1(log);
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CREATE INDEX i2 ON t1(cnt);
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INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;
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SELECT * FROM t1 ORDER BY log;
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}]
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lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]
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lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]
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} {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}
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finish_test
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