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Overview
| Comment: | Handle SQL NULL values without crashing in the fts5 snippet() and highlight() functions. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | a5e9cc794f17566160c4b2b5791601a7 |
| User & Date: | dan 2019-01-15 18:14:27 |
Context
|
2019-01-15
| ||
| 20:51 | Fix a problem with ALTER TABLE and vector assignments in UPDATE statements within triggers. check-in: cc6cd753 user: dan tags: trunk | |
| 18:14 | Handle SQL NULL values without crashing in the fts5 snippet() and highlight() functions. check-in: a5e9cc79 user: dan tags: trunk | |
| 16:14 | Fix a buffer overread in fts3 caused by a corrupt record. check-in: e54efd60 user: dan tags: trunk | |
Changes
Changes to ext/fts5/fts5_aux.c.
132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 |
** *pRc is set to an error code before returning.
*/
static void fts5HighlightAppend(
int *pRc,
HighlightContext *p,
const char *z, int n
){
if( *pRc==SQLITE_OK ){
if( n<0 ) n = (int)strlen(z);
p->zOut = sqlite3_mprintf("%z%.*s", p->zOut, n, z);
if( p->zOut==0 ) *pRc = SQLITE_NOMEM;
}
}
/*
|
| |
132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 |
** *pRc is set to an error code before returning.
*/
static void fts5HighlightAppend(
int *pRc,
HighlightContext *p,
const char *z, int n
){
if( *pRc==SQLITE_OK && z ){
if( n<0 ) n = (int)strlen(z);
p->zOut = sqlite3_mprintf("%z%.*s", p->zOut, n, z);
if( p->zOut==0 ) *pRc = SQLITE_NOMEM;
}
}
/*
|
Changes to ext/fts5/test/fts5ak.test.
139 140 141 142 143 144 145 146 147 148 149 |
-- '[a b c d e]'
SELECT highlight(ft, 0, '[', ']') FROM ft WHERE ft MATCH 'a+b+c AND c+d+e';
} {
{[a b c] x [c d e]}
{[a b c] [c d e]}
{[a b c d e]}
}
}
finish_test
|
> > > > > > > > |
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 |
-- '[a b c d e]'
SELECT highlight(ft, 0, '[', ']') FROM ft WHERE ft MATCH 'a+b+c AND c+d+e';
} {
{[a b c] x [c d e]}
{[a b c] [c d e]}
{[a b c d e]}
}
do_execsql_test 3.2 {
SELECT highlight(ft, 0, NULL, NULL) FROM ft WHERE ft MATCH 'a+b+c AND c+d+e';
} {
{a b c x c d e}
{a b c c d e}
{a b c d e}
}
}
finish_test
|