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Handle SQL NULL values without crashing in the fts5 snippet() and highlight()

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functions.

FossilOrigin-Name: a5e9cc794f17566160c4b2b5791601a744a21ace987b19ff8a5816fd78dce56a
This commit is contained in:
dan
2019-01-15 18:14:27 +00:00
parent a783931794
commit 1a39d2bb5c
4 changed files with 17 additions and 9 deletions
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2
ext/fts5/fts5_aux.c
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@@ -136,7 +136,7 @@ static void fts5HighlightAppend(
HighlightContext *p,
const char *z, int n
){
if( *pRc==SQLITE_OK ){
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;

8
ext/fts5/test/fts5ak.test
View File

@@ -144,6 +144,14 @@ do_execsql_test 3.1 {
{[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