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Overview
| Comment: | Avoid indexing off the front end of an array when creating a view with two or more blank column names in the SELECT statement that defines the view. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 554501f158534f9c27fd51900589c2ab |
| User & Date: | drh 2014-03-04 21:19:51 |
Context
|
2014-03-05
| ||
| 11:22 | Do not run corruptI.test with the mmap permutation. check-in: 378b290d user: dan tags: trunk | |
| 01:29 | Experimental simplification of memory flags/type handling. Closed-Leaf check-in: bac2820e user: mistachkin tags: noMemType | |
|
2014-03-04
| ||
| 21:19 | Avoid indexing off the front end of an array when creating a view with two or more blank column names in the SELECT statement that defines the view. check-in: 554501f1 user: drh tags: trunk | |
| 21:00 | Fix a problem with "DEFAULT (-(-9223372036854775808))" clauses in ALTER TABLE ... ADD COLUMN commands. check-in: e072cb3e user: dan tags: trunk | |
Changes
Changes to src/select.c.
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*/
nName = sqlite3Strlen30(zName);
for(j=cnt=0; j<i; j++){
if( sqlite3StrICmp(aCol[j].zName, zName)==0 ){
char *zNewName;
int k;
for(k=nName-1; k>1 && sqlite3Isdigit(zName[k]); k--){}
if( zName[k]==':' ) nName = k;
zName[nName] = 0;
zNewName = sqlite3MPrintf(db, "%s:%d", zName, ++cnt);
sqlite3DbFree(db, zName);
zName = zNewName;
j = -1;
if( zName==0 ) break;
}
|
| |
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*/
nName = sqlite3Strlen30(zName);
for(j=cnt=0; j<i; j++){
if( sqlite3StrICmp(aCol[j].zName, zName)==0 ){
char *zNewName;
int k;
for(k=nName-1; k>1 && sqlite3Isdigit(zName[k]); k--){}
if( k>=0 && zName[k]==':' ) nName = k;
zName[nName] = 0;
zNewName = sqlite3MPrintf(db, "%s:%d", zName, ++cnt);
sqlite3DbFree(db, zName);
zName = zNewName;
j = -1;
if( zName==0 ) break;
}
|
Changes to test/view.test.
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do_test view-21.2 {
db progress 1000 {expr 1}
catchsql {
SELECT * FROM v32768;
}
} {1 interrupted}
}
finish_test
|
> > > > > > > > > > > > > |
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do_test view-21.2 {
db progress 1000 {expr 1}
catchsql {
SELECT * FROM v32768;
}
} {1 interrupted}
}
db close
sqlite3 db :memory:
do_execsql_test view-22.1 {
CREATE VIEW x1 AS SELECT 123 AS '', 234 AS '', 345 AS '';
SELECT * FROM x1;
} {123 234 345}
do_test view-22.2 {
unset -nocomplain x
db eval {SELECT * FROM x1} x break
lsort [array names x]
} {{} * :1 :2}
finish_test
|