Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | A simpler fix for ticket [3a88d85f36704eebe1] - one that uses less code. The error message is not quite as good, but as this error has apparently not previously occurred in over 8 years of heavy use, that is not seen as a serious problem. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
0ad1ed8ef0b5fb5d8db44479373b2b93 |
| User & Date: | drh 2014-08-06 00:29:06 |
Context
|
2014-08-06
| ||
| 01:08 | Fix typos in the opcode documentation. Comment changes only. No changes to code. check-in: 717245d4 user: drh tags: trunk | |
| 00:29 | A simpler fix for ticket [3a88d85f36704eebe1] - one that uses less code. The error message is not quite as good, but as this error has apparently not previously occurred in over 8 years of heavy use, that is not seen as a serious problem. check-in: 0ad1ed8e user: drh tags: trunk | |
|
2014-08-05
| ||
| 21:31 | Ensure that aggregate functions are not used when evaluating a default value for a table column. Candidate fix for ticket [3a88d85f36704eebe134f7]. check-in: 29ba8128 user: drh tags: trunk | |
Changes
Changes to src/expr.c.
2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 |
pFarg = pExpr->x.pList;
}
nFarg = pFarg ? pFarg->nExpr : 0;
assert( !ExprHasProperty(pExpr, EP_IntValue) );
zId = pExpr->u.zToken;
nId = sqlite3Strlen30(zId);
pDef = sqlite3FindFunction(db, zId, nId, nFarg, enc, 0);
if( pDef==0 ){
sqlite3ErrorMsg(pParse, "unknown function: %.*s()", nId, zId);
break;
}
if( pDef->xFunc==0 ){
sqlite3ErrorMsg(pParse, "misuse of aggregate function: %.*s()",
nId, zId);
break;
}
/* Attempt a direct implementation of the built-in COALESCE() and
** IFNULL() functions. This avoids unnecessary evalation of
** arguments past the first non-NULL argument.
*/
if( pDef->funcFlags & SQLITE_FUNC_COALESCE ){
int endCoalesce = sqlite3VdbeMakeLabel(v);
|
| < < < < < |
2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 |
pFarg = pExpr->x.pList;
}
nFarg = pFarg ? pFarg->nExpr : 0;
assert( !ExprHasProperty(pExpr, EP_IntValue) );
zId = pExpr->u.zToken;
nId = sqlite3Strlen30(zId);
pDef = sqlite3FindFunction(db, zId, nId, nFarg, enc, 0);
if( pDef==0 || pDef->xFunc==0 ){
sqlite3ErrorMsg(pParse, "unknown function: %.*s()", nId, zId);
break;
}
/* Attempt a direct implementation of the built-in COALESCE() and
** IFNULL() functions. This avoids unnecessary evalation of
** arguments past the first non-NULL argument.
*/
if( pDef->funcFlags & SQLITE_FUNC_COALESCE ){
int endCoalesce = sqlite3VdbeMakeLabel(v);
|
Changes to test/table.test.
740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 |
do_execsql_test table-16.1 {
CREATE TABLE t16(x DEFAULT(max(1)));
INSERT INTO t16(x) VALUES(123);
SELECT rowid, x FROM t16;
} {1 123}
do_catchsql_test table-16.2 {
INSERT INTO t16(rowid) VALUES(4);
} {1 {misuse of aggregate function: max()}}
do_execsql_test table-16.3 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(abs(1)));
INSERT INTO t16(rowid) VALUES(4);
SELECT rowid, x FROM t16;
} {4 1}
do_catchsql_test table-16.4 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(avg(1)));
INSERT INTO t16(rowid) VALUES(123);
SELECT rowid, x FROM t16;
} {1 {misuse of aggregate function: avg()}}
do_catchsql_test table-16.5 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(count()));
INSERT INTO t16(rowid) VALUES(123);
SELECT rowid, x FROM t16;
} {1 {misuse of aggregate function: count()}}
do_catchsql_test table-16.6 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(group_concat('x',',')));
INSERT INTO t16(rowid) VALUES(123);
SELECT rowid, x FROM t16;
} {1 {misuse of aggregate function: group_concat()}}
finish_test
|
| | | | > > > < < |
740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 |
do_execsql_test table-16.1 {
CREATE TABLE t16(x DEFAULT(max(1)));
INSERT INTO t16(x) VALUES(123);
SELECT rowid, x FROM t16;
} {1 123}
do_catchsql_test table-16.2 {
INSERT INTO t16(rowid) VALUES(4);
} {1 {unknown function: max()}}
do_execsql_test table-16.3 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(abs(1)));
INSERT INTO t16(rowid) VALUES(4);
SELECT rowid, x FROM t16;
} {4 1}
do_catchsql_test table-16.4 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(avg(1)));
INSERT INTO t16(rowid) VALUES(123);
SELECT rowid, x FROM t16;
} {1 {unknown function: avg()}}
do_catchsql_test table-16.5 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(count()));
INSERT INTO t16(rowid) VALUES(123);
SELECT rowid, x FROM t16;
} {1 {unknown function: count()}}
do_catchsql_test table-16.6 {
DROP TABLE t16;
CREATE TABLE t16(x DEFAULT(group_concat('x',',')));
INSERT INTO t16(rowid) VALUES(123);
SELECT rowid, x FROM t16;
} {1 {unknown function: group_concat()}}
do_catchsql_test table-16.7 {
INSERT INTO t16 DEFAULT VALUES;
} {1 {unknown function: group_concat()}}
finish_test
|