From 7bb481fda9ecb134804b49c2ce77ca28f7eea583 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Fri, 30 Mar 2012 20:42:12 -0400 Subject: Imported Upstream version 2.0.3 --- test/rowid.test | 703 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 703 insertions(+) create mode 100644 test/rowid.test (limited to 'test/rowid.test') diff --git a/test/rowid.test b/test/rowid.test new file mode 100644 index 0000000..4a9404d --- /dev/null +++ b/test/rowid.test @@ -0,0 +1,703 @@ +# 2001 September 15 +# +# 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 the magic ROWID column that is +# found on all tables. +# +# $Id: rowid.test,v 1.21 2009/06/26 15:14:55 drh Exp $ + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# Basic ROWID functionality tests. +# +do_test rowid-1.1 { + execsql { + CREATE TABLE t1(x int, y int); + INSERT INTO t1 VALUES(1,2); + INSERT INTO t1 VALUES(3,4); + SELECT x FROM t1 ORDER BY y; + } +} {1 3} +do_test rowid-1.2 { + set r [execsql {SELECT rowid FROM t1 ORDER BY x}] + global x2rowid rowid2x + set x2rowid(1) [lindex $r 0] + set x2rowid(3) [lindex $r 1] + set rowid2x($x2rowid(1)) 1 + set rowid2x($x2rowid(3)) 3 + llength $r +} {2} +do_test rowid-1.3 { + global x2rowid + set sql "SELECT x FROM t1 WHERE rowid==$x2rowid(1)" + execsql $sql +} {1} +do_test rowid-1.4 { + global x2rowid + set sql "SELECT x FROM t1 WHERE rowid==$x2rowid(3)" + execsql $sql +} {3} +do_test rowid-1.5 { + global x2rowid + set sql "SELECT x FROM t1 WHERE oid==$x2rowid(1)" + execsql $sql +} {1} +do_test rowid-1.6 { + global x2rowid + set sql "SELECT x FROM t1 WHERE OID==$x2rowid(3)" + execsql $sql +} {3} +do_test rowid-1.7 { + global x2rowid + set sql "SELECT x FROM t1 WHERE _rowid_==$x2rowid(1)" + execsql $sql +} {1} +do_test rowid-1.7.1 { + while 1 { + set norow [expr {int(rand()*1000000)}] + if {$norow!=$x2rowid(1) && $norow!=$x2rowid(3)} break + } + execsql "SELECT x FROM t1 WHERE rowid=$norow" +} {} +do_test rowid-1.8 { + global x2rowid + set v [execsql {SELECT x, oid FROM t1 order by x}] + set v2 [list 1 $x2rowid(1) 3 $x2rowid(3)] + expr {$v==$v2} +} {1} +do_test rowid-1.9 { + global x2rowid + set v [execsql {SELECT x, RowID FROM t1 order by x}] + set v2 [list 1 $x2rowid(1) 3 $x2rowid(3)] + expr {$v==$v2} +} {1} +do_test rowid-1.10 { + global x2rowid + set v [execsql {SELECT x, _rowid_ FROM t1 order by x}] + set v2 [list 1 $x2rowid(1) 3 $x2rowid(3)] + expr {$v==$v2} +} {1} + +# We can insert or update the ROWID column. +# +do_test rowid-2.1 { + catchsql { + INSERT INTO t1(rowid,x,y) VALUES(1234,5,6); + SELECT rowid, * FROM t1; + } +} {0 {1 1 2 2 3 4 1234 5 6}} +do_test rowid-2.2 { + catchsql { + UPDATE t1 SET rowid=12345 WHERE x==1; + SELECT rowid, * FROM t1 + } +} {0 {2 3 4 1234 5 6 12345 1 2}} +do_test rowid-2.3 { + catchsql { + INSERT INTO t1(y,x,oid) VALUES(8,7,1235); + SELECT rowid, * FROM t1 WHERE rowid>1000; + } +} {0 {1234 5 6 1235 7 8 12345 1 2}} +do_test rowid-2.4 { + catchsql { + UPDATE t1 SET oid=12346 WHERE x==1; + SELECT rowid, * FROM t1; + } +} {0 {2 3 4 1234 5 6 1235 7 8 12346 1 2}} +do_test rowid-2.5 { + catchsql { + INSERT INTO t1(x,_rowid_,y) VALUES(9,1236,10); + SELECT rowid, * FROM t1 WHERE rowid>1000; + } +} {0 {1234 5 6 1235 7 8 1236 9 10 12346 1 2}} +do_test rowid-2.6 { + catchsql { + UPDATE t1 SET _rowid_=12347 WHERE x==1; + SELECT rowid, * FROM t1 WHERE rowid>1000; + } +} {0 {1234 5 6 1235 7 8 1236 9 10 12347 1 2}} + +# But we can use ROWID in the WHERE clause of an UPDATE that does not +# change the ROWID. +# +do_test rowid-2.7 { + global x2rowid + set sql "UPDATE t1 SET x=2 WHERE OID==$x2rowid(3)" + execsql $sql + execsql {SELECT x FROM t1 ORDER BY x} +} {1 2 5 7 9} +do_test rowid-2.8 { + global x2rowid + set sql "UPDATE t1 SET x=3 WHERE _rowid_==$x2rowid(3)" + execsql $sql + execsql {SELECT x FROM t1 ORDER BY x} +} {1 3 5 7 9} + +# We cannot index by ROWID +# +do_test rowid-2.9 { + set v [catch {execsql {CREATE INDEX idxt1 ON t1(rowid)}} msg] + lappend v $msg +} {1 {table t1 has no column named rowid}} +do_test rowid-2.10 { + set v [catch {execsql {CREATE INDEX idxt1 ON t1(_rowid_)}} msg] + lappend v $msg +} {1 {table t1 has no column named _rowid_}} +do_test rowid-2.11 { + set v [catch {execsql {CREATE INDEX idxt1 ON t1(oid)}} msg] + lappend v $msg +} {1 {table t1 has no column named oid}} +do_test rowid-2.12 { + set v [catch {execsql {CREATE INDEX idxt1 ON t1(x, rowid)}} msg] + lappend v $msg +} {1 {table t1 has no column named rowid}} + +# Columns defined in the CREATE statement override the buildin ROWID +# column names. +# +do_test rowid-3.1 { + execsql { + CREATE TABLE t2(rowid int, x int, y int); + INSERT INTO t2 VALUES(0,2,3); + INSERT INTO t2 VALUES(4,5,6); + INSERT INTO t2 VALUES(7,8,9); + SELECT * FROM t2 ORDER BY x; + } +} {0 2 3 4 5 6 7 8 9} +do_test rowid-3.2 { + execsql {SELECT * FROM t2 ORDER BY rowid} +} {0 2 3 4 5 6 7 8 9} +do_test rowid-3.3 { + execsql {SELECT rowid, x, y FROM t2 ORDER BY rowid} +} {0 2 3 4 5 6 7 8 9} +do_test rowid-3.4 { + set r1 [execsql {SELECT _rowid_, rowid FROM t2 ORDER BY rowid}] + foreach {a b c d e f} $r1 {} + set r2 [execsql {SELECT _rowid_, rowid FROM t2 ORDER BY x DESC}] + foreach {u v w x y z} $r2 {} + expr {$u==$e && $w==$c && $y==$a} +} {1} +# sqlite3 v3 - do_probtest doesn't exist anymore? +if 0 { +do_probtest rowid-3.5 { + set r1 [execsql {SELECT _rowid_, rowid FROM t2 ORDER BY rowid}] + foreach {a b c d e f} $r1 {} + expr {$a!=$b && $c!=$d && $e!=$f} +} {1} +} + +# Let's try some more complex examples, including some joins. +# +do_test rowid-4.1 { + execsql { + DELETE FROM t1; + DELETE FROM t2; + } + for {set i 1} {$i<=50} {incr i} { + execsql "INSERT INTO t1(x,y) VALUES($i,[expr {$i*$i}])" + } + execsql {INSERT INTO t2 SELECT _rowid_, x*y, y*y FROM t1} + execsql {SELECT t2.y FROM t1, t2 WHERE t1.x==4 AND t1.rowid==t2.rowid} +} {256} +do_test rowid-4.2 { + execsql {SELECT t2.y FROM t2, t1 WHERE t1.x==4 AND t1.rowid==t2.rowid} +} {256} +do_test rowid-4.2.1 { + execsql {SELECT t2.y FROM t2, t1 WHERE t1.x==4 AND t1.oid==t2.rowid} +} {256} +do_test rowid-4.2.2 { + execsql {SELECT t2.y FROM t2, t1 WHERE t1.x==4 AND t1._rowid_==t2.rowid} +} {256} +do_test rowid-4.2.3 { + execsql {SELECT t2.y FROM t2, t1 WHERE t1.x==4 AND t2.rowid==t1.rowid} +} {256} +do_test rowid-4.2.4 { + execsql {SELECT t2.y FROM t2, t1 WHERE t2.rowid==t1.oid AND t1.x==4} +} {256} +do_test rowid-4.2.5 { + execsql {SELECT t2.y FROM t1, t2 WHERE t1.x==4 AND t1._rowid_==t2.rowid} +} {256} +do_test rowid-4.2.6 { + execsql {SELECT t2.y FROM t1, t2 WHERE t1.x==4 AND t2.rowid==t1.rowid} +} {256} +do_test rowid-4.2.7 { + execsql {SELECT t2.y FROM t1, t2 WHERE t2.rowid==t1.oid AND t1.x==4} +} {256} +do_test rowid-4.3 { + execsql {CREATE INDEX idxt1 ON t1(x)} + execsql {SELECT t2.y FROM t1, t2 WHERE t1.x==4 AND t1.rowid==t2.rowid} +} {256} +do_test rowid-4.3.1 { + execsql {SELECT t2.y FROM t1, t2 WHERE t1.x==4 AND t1._rowid_==t2.rowid} +} {256} +do_test rowid-4.3.2 { + execsql {SELECT t2.y FROM t1, t2 WHERE t2.rowid==t1.oid AND 4==t1.x} +} {256} +do_test rowid-4.4 { + execsql {SELECT t2.y FROM t2, t1 WHERE t1.x==4 AND t1.rowid==t2.rowid} +} {256} +do_test rowid-4.4.1 { + execsql {SELECT t2.y FROM t2, t1 WHERE t1.x==4 AND t1._rowid_==t2.rowid} +} {256} +do_test rowid-4.4.2 { + execsql {SELECT t2.y FROM t2, t1 WHERE t2.rowid==t1.oid AND 4==t1.x} +} {256} +do_test rowid-4.5 { + execsql {CREATE INDEX idxt2 ON t2(y)} + set sqlite_search_count 0 + concat [execsql { + SELECT t1.x FROM t2, t1 + WHERE t2.y==256 AND t1.rowid==t2.rowid + }] $sqlite_search_count +} {4 3} +do_test rowid-4.5.1 { + set sqlite_search_count 0 + concat [execsql { + SELECT t1.x FROM t2, t1 + WHERE t1.OID==t2.rowid AND t2.y==81 + }] $sqlite_search_count +} {3 3} +do_test rowid-4.6 { + execsql { + SELECT t1.x FROM t1, t2 + WHERE t2.y==256 AND t1.rowid==t2.rowid + } +} {4} + +do_test rowid-5.1.1 { + ifcapable subquery { + execsql {DELETE FROM t1 WHERE _rowid_ IN (SELECT oid FROM t1 WHERE x>8)} + } else { + set oids [execsql {SELECT oid FROM t1 WHERE x>8}] + set where "_rowid_ = [join $oids { OR _rowid_ = }]" + execsql "DELETE FROM t1 WHERE $where" + } +} {} +do_test rowid-5.1.2 { + execsql {SELECT max(x) FROM t1} +} {8} + +# Make sure a "WHERE rowid=X" clause works when there is no ROWID of X. +# +do_test rowid-6.1 { + execsql { + SELECT x FROM t1 + } +} {1 2 3 4 5 6 7 8} +do_test rowid-6.2 { + for {set ::norow 1} {1} {incr ::norow} { + if {[execsql "SELECT x FROM t1 WHERE rowid=$::norow"]==""} break + } + execsql [subst { + DELETE FROM t1 WHERE rowid=$::norow + }] +} {} +do_test rowid-6.3 { + execsql { + SELECT x FROM t1 + } +} {1 2 3 4 5 6 7 8} + +# Beginning with version 2.3.4, SQLite computes rowids of new rows by +# finding the maximum current rowid and adding one. It falls back to +# the old random algorithm if the maximum rowid is the largest integer. +# The following tests are for this new behavior. +# +do_test rowid-7.0 { + execsql { + DELETE FROM t1; + DROP TABLE t2; + DROP INDEX idxt1; + INSERT INTO t1 VALUES(1,2); + SELECT rowid, * FROM t1; + } +} {1 1 2} +do_test rowid-7.1 { + execsql { + INSERT INTO t1 VALUES(99,100); + SELECT rowid,* FROM t1 + } +} {1 1 2 2 99 100} +do_test rowid-7.2 { + execsql { + CREATE TABLE t2(a INTEGER PRIMARY KEY, b); + INSERT INTO t2(b) VALUES(55); + SELECT * FROM t2; + } +} {1 55} +do_test rowid-7.3 { + execsql { + INSERT INTO t2(b) VALUES(66); + SELECT * FROM t2; + } +} {1 55 2 66} +do_test rowid-7.4 { + execsql { + INSERT INTO t2(a,b) VALUES(1000000,77); + INSERT INTO t2(b) VALUES(88); + SELECT * FROM t2; + } +} {1 55 2 66 1000000 77 1000001 88} +do_test rowid-7.5 { + execsql { + INSERT INTO t2(a,b) VALUES(2147483647,99); + INSERT INTO t2(b) VALUES(11); + SELECT b FROM t2 ORDER BY b; + } +} {11 55 66 77 88 99} +ifcapable subquery { + do_test rowid-7.6 { + execsql { + SELECT b FROM t2 WHERE a NOT IN(1,2,1000000,1000001,2147483647); + } + } {11} + do_test rowid-7.7 { + execsql { + INSERT INTO t2(b) VALUES(22); + INSERT INTO t2(b) VALUES(33); + INSERT INTO t2(b) VALUES(44); + INSERT INTO t2(b) VALUES(55); + SELECT b FROM t2 WHERE a NOT IN(1,2,1000000,1000001,2147483647) + ORDER BY b; + } + } {11 22 33 44 55} +} +do_test rowid-7.8 { + execsql { + DELETE FROM t2 WHERE a!=2; + INSERT INTO t2(b) VALUES(111); + SELECT * FROM t2; + } +} {2 66 3 111} + +ifcapable {trigger} { +# Make sure AFTER triggers that do INSERTs do not change the last_insert_rowid. +# Ticket #290 +# +do_test rowid-8.1 { + execsql { + CREATE TABLE t3(a integer primary key); + CREATE TABLE t4(x); + INSERT INTO t4 VALUES(1); + CREATE TRIGGER r3 AFTER INSERT on t3 FOR EACH ROW BEGIN + INSERT INTO t4 VALUES(NEW.a+10); + END; + SELECT * FROM t3; + } +} {} +do_test rowid-8.2 { + execsql { + SELECT rowid, * FROM t4; + } +} {1 1} +do_test rowid-8.3 { + execsql { + INSERT INTO t3 VALUES(123); + SELECT last_insert_rowid(); + } +} {123} +do_test rowid-8.4 { + execsql { + SELECT * FROM t3; + } +} {123} +do_test rowid-8.5 { + execsql { + SELECT rowid, * FROM t4; + } +} {1 1 2 133} +do_test rowid-8.6 { + execsql { + INSERT INTO t3 VALUES(NULL); + SELECT last_insert_rowid(); + } +} {124} +do_test rowid-8.7 { + execsql { + SELECT * FROM t3; + } +} {123 124} +do_test rowid-8.8 { + execsql { + SELECT rowid, * FROM t4; + } +} {1 1 2 133 3 134} +} ;# endif trigger + +# If triggers are not enable, simulate their effect for the tests that +# follow. +ifcapable {!trigger} { + execsql { + CREATE TABLE t3(a integer primary key); + INSERT INTO t3 VALUES(123); + INSERT INTO t3 VALUES(124); + } +} + +# ticket #377: Comparison between integer primiary key and floating point +# values. +# +do_test rowid-9.1 { + execsql { + SELECT * FROM t3 WHERE a<123.5 + } +} {123} +do_test rowid-9.2 { + execsql { + SELECT * FROM t3 WHERE a<124.5 + } +} {123 124} +do_test rowid-9.3 { + execsql { + SELECT * FROM t3 WHERE a>123.5 + } +} {124} +do_test rowid-9.4 { + execsql { + SELECT * FROM t3 WHERE a>122.5 + } +} {123 124} +do_test rowid-9.5 { + execsql { + SELECT * FROM t3 WHERE a==123.5 + } +} {} +do_test rowid-9.6 { + execsql { + SELECT * FROM t3 WHERE a==123.000 + } +} {123} +do_test rowid-9.7 { + execsql { + SELECT * FROM t3 WHERE a>100.5 AND a<200.5 + } +} {123 124} +do_test rowid-9.8 { + execsql { + SELECT * FROM t3 WHERE a>'xyz'; + } +} {} +do_test rowid-9.9 { + execsql { + SELECT * FROM t3 WHERE a<'xyz'; + } +} {123 124} +do_test rowid-9.10 { + execsql { + SELECT * FROM t3 WHERE a>=122.9 AND a<=123.1 + } +} {123} + +# Ticket #567. Comparisons of ROWID or integery primary key against +# floating point numbers still do not always work. +# +do_test rowid-10.1 { + execsql { + CREATE TABLE t5(a); + INSERT INTO t5 VALUES(1); + INSERT INTO t5 VALUES(2); + INSERT INTO t5 SELECT a+2 FROM t5; + INSERT INTO t5 SELECT a+4 FROM t5; + SELECT rowid, * FROM t5; + } +} {1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8} +do_test rowid-10.2 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>=5.5} +} {6 6 7 7 8 8} +do_test rowid-10.3 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>=5.0} +} {5 5 6 6 7 7 8 8} +do_test rowid-10.4 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>5.5} +} {6 6 7 7 8 8} +do_test rowid-10.3.2 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>5.0} +} {6 6 7 7 8 8} +do_test rowid-10.5 { + execsql {SELECT rowid, a FROM t5 WHERE 5.5<=rowid} +} {6 6 7 7 8 8} +do_test rowid-10.6 { + execsql {SELECT rowid, a FROM t5 WHERE 5.5=rowid} +} {1 1 2 2 3 3 4 4 5 5} +do_test rowid-10.10 { + execsql {SELECT rowid, a FROM t5 WHERE 5.5>rowid} +} {1 1 2 2 3 3 4 4 5 5} +do_test rowid-10.11 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>=5.5 ORDER BY rowid DESC} +} {8 8 7 7 6 6} +do_test rowid-10.11.2 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>=5.0 ORDER BY rowid DESC} +} {8 8 7 7 6 6 5 5} +do_test rowid-10.12 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>5.5 ORDER BY rowid DESC} +} {8 8 7 7 6 6} +do_test rowid-10.12.2 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>5.0 ORDER BY rowid DESC} +} {8 8 7 7 6 6} +do_test rowid-10.13 { + execsql {SELECT rowid, a FROM t5 WHERE 5.5<=rowid ORDER BY rowid DESC} +} {8 8 7 7 6 6} +do_test rowid-10.14 { + execsql {SELECT rowid, a FROM t5 WHERE 5.5=rowid ORDER BY rowid DESC} +} {5 5 4 4 3 3 2 2 1 1} +do_test rowid-10.18 { + execsql {SELECT rowid, a FROM t5 WHERE 5.5>rowid ORDER BY rowid DESC} +} {5 5 4 4 3 3 2 2 1 1} + +do_test rowid-10.30 { + execsql { + CREATE TABLE t6(a); + INSERT INTO t6(rowid,a) SELECT -a,a FROM t5; + SELECT rowid, * FROM t6; + } +} {-8 8 -7 7 -6 6 -5 5 -4 4 -3 3 -2 2 -1 1} +do_test rowid-10.31.1 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>=-5.5} +} {-5 5 -4 4 -3 3 -2 2 -1 1} +do_test rowid-10.31.2 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>=-5.0} +} {-5 5 -4 4 -3 3 -2 2 -1 1} +do_test rowid-10.32.1 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>=-5.5 ORDER BY rowid DESC} +} {-1 1 -2 2 -3 3 -4 4 -5 5} +do_test rowid-10.32.1 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>=-5.0 ORDER BY rowid DESC} +} {-1 1 -2 2 -3 3 -4 4 -5 5} +do_test rowid-10.33 { + execsql {SELECT rowid, a FROM t6 WHERE -5.5<=rowid} +} {-5 5 -4 4 -3 3 -2 2 -1 1} +do_test rowid-10.34 { + execsql {SELECT rowid, a FROM t6 WHERE -5.5<=rowid ORDER BY rowid DESC} +} {-1 1 -2 2 -3 3 -4 4 -5 5} +do_test rowid-10.35.1 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>-5.5} +} {-5 5 -4 4 -3 3 -2 2 -1 1} +do_test rowid-10.35.2 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>-5.0} +} {-4 4 -3 3 -2 2 -1 1} +do_test rowid-10.36.1 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>-5.5 ORDER BY rowid DESC} +} {-1 1 -2 2 -3 3 -4 4 -5 5} +do_test rowid-10.36.2 { + execsql {SELECT rowid, a FROM t6 WHERE rowid>-5.0 ORDER BY rowid DESC} +} {-1 1 -2 2 -3 3 -4 4} +do_test rowid-10.37 { + execsql {SELECT rowid, a FROM t6 WHERE -5.5=rowid} +} {-8 8 -7 7 -6 6} +do_test rowid-10.42 { + execsql {SELECT rowid, a FROM t6 WHERE -5.5>=rowid ORDER BY rowid DESC} +} {-6 6 -7 7 -8 8} +do_test rowid-10.43 { + execsql {SELECT rowid, a FROM t6 WHERE rowid<-5.5} +} {-8 8 -7 7 -6 6} +do_test rowid-10.44 { + execsql {SELECT rowid, a FROM t6 WHERE rowid<-5.5 ORDER BY rowid DESC} +} {-6 6 -7 7 -8 8} +do_test rowid-10.44 { + execsql {SELECT rowid, a FROM t6 WHERE -5.5>rowid} +} {-8 8 -7 7 -6 6} +do_test rowid-10.46 { + execsql {SELECT rowid, a FROM t6 WHERE -5.5>rowid ORDER BY rowid DESC} +} {-6 6 -7 7 -8 8} + +# Comparison of rowid against string values. +# +do_test rowid-11.1 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>'abc'} +} {} +do_test rowid-11.2 { + execsql {SELECT rowid, a FROM t5 WHERE rowid>='abc'} +} {} +do_test rowid-11.3 { + execsql {SELECT rowid, a FROM t5 WHERE rowid<'abc'} +} {1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8} +do_test rowid-11.4 { + execsql {SELECT rowid, a FROM t5 WHERE rowid<='abc'} +} {1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8} + +# Test the automatic generation of rowids when the table already contains +# a rowid with the maximum value. +# +# Once the the maximum rowid is taken, rowids are normally chosen at +# random. By by reseting the random number generator, we can cause +# the rowid guessing loop to collide with prior rowids, and test the +# loop out to its limit of 100 iterations. After 100 collisions, the +# rowid guesser gives up and reports SQLITE_FULL. +# +do_test rowid-12.1 { + execsql { + CREATE TABLE t7(x INTEGER PRIMARY KEY, y); + CREATE TABLE t7temp(a INTEGER PRIMARY KEY); + INSERT INTO t7 VALUES(9223372036854775807,'a'); + SELECT y FROM t7; + } +} {a} +do_test rowid-12.2 { + db close + sqlite3 db test.db + save_prng_state + execsql { + INSERT INTO t7 VALUES(NULL,'b'); + SELECT x, y FROM t7; + } +} {1 b 9223372036854775807 a} +execsql {INSERT INTO t7 VALUES(2,'y');} +for {set i 1} {$i<100} {incr i} { + do_test rowid-12.3.$i { + db eval {DELETE FROM t7temp; INSERT INTO t7temp VALUES(1);} + restore_prng_state + execsql { + INSERT INTO t7 VALUES(NULL,'x'); + SELECT count(*) FROM t7 WHERE y=='x'; + } + } $i +} +do_test rowid-12.4 { + db eval {DELETE FROM t7temp; INSERT INTO t7temp VALUES(1);} + restore_prng_state + catchsql { + INSERT INTO t7 VALUES(NULL,'x'); + } +} {1 {database or disk is full}} + + +finish_test -- cgit v1.2.3