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Add the ability to INSERT or UPDATE using the "rowid" column even on tables

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that lack an integer primary key. (CVS 991)

FossilOrigin-Name: 903adbe802ca0e987b867e5ad33aae02ad2a43d4
This commit is contained in:
drh
2003-06-01 01:10:33 +00:00
parent f26e09c87f
commit a0217ba720
7 changed files with 75 additions and 49 deletions
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56
test/rowid.test
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@ -12,7 +12,7 @@
# focus of this file is testing the magic ROWID column that is
# found on all tables.
#
# $Id: rowid.test,v 1.10 2003/04/15 19:22:24 drh Exp $
# $Id: rowid.test,v 1.11 2003/06/01 01:10:33 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -87,32 +87,44 @@ do_test rowid-1.9 {
expr {$v==$v2}
} {1}
# We cannot update or insert the ROWID column
# We can insert or update the ROWID column.
#
do_test rowid-2.1 {
set v [catch {execsql {INSERT INTO t1(rowid,x,y) VALUES(1234,5,6)}} msg]
lappend v $msg
} {1 {table t1 has no column named rowid}}
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 {
set v [catch {execsql {UPDATE t1 SET rowid=12345 WHERE x==1}}]
lappend v $msg
} {1 {table t1 has no column named rowid}}
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 {
set v [catch {execsql {INSERT INTO t1(oid,x,y) VALUES(1234,5,6)}} msg]
lappend v $msg
} {1 {table t1 has no column named oid}}
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 {
set v [catch {execsql {UPDATE t1 SET oid=12345 WHERE x==1}}]
lappend v $msg
} {1 {table t1 has no column named oid}}
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 {
set v [catch {execsql {INSERT INTO t1(_rowid_,x,y) VALUES(1234,5,6)}} msg]
lappend v $msg
} {1 {table t1 has no column named _rowid_}}
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 {
set v [catch {execsql {UPDATE t1 SET _rowid_=12345 WHERE x==1}}]
lappend v $msg
} {1 {table t1 has no column named _rowid_}}
catchsql {
UPDATE t1 SET _rowid_=12347 WHERE x==1;
SELECT rowid, * FROM t1 WHERE rowid>1000;
}
} {0 {1234 5 6 1235 7 8 1236 9 10 12347 1 2}}
# But we can use ROWID in the WHERE clause of an UPDATE that does not
# change the ROWID.
@ -122,13 +134,13 @@ do_test rowid-2.7 {
set sql "UPDATE t1 SET x=2 WHERE OID==$x2rowid(3)"
execsql $sql
execsql {SELECT x FROM t1 ORDER BY x}
} {1 2}
} {1 2 5 7 9}
do_test rowid-2.8 {
global x2rowid
set sql "UPDATE t1 SET x=3 WHERE _rowid_==$x2rowid(3)"
execsql $sql
execsql {SELECT x FROM t1 ORDER BY x}
} {1 3}
} {1 3 5 7 9}
# We cannot index by ROWID
#