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QOCIDriver: Ensure the where clause is correctly setup 

Commit 88e043a8 introduced two bugs:

1. When constructing the WHERE clause, the closing ' around the owner
   name was dropped.
2. When constructing QLatin1Strings for comparison with system owners,
   a size of -1 was passed, with the comment "force strlen call". But,
   unlike QString, QLatin1String does not invoke strlen(), but stores
   the negative length unchanged, making the comparisons always fail.

Change-Id: Ie2835b76877c31ee32c900f67eb0853df7110dbb
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
bb10
Andy Shaw 2016-12-21 14:02:14 +01:00
parent af5c8d04fb
commit 47de2ef27f
1 changed files with 3 additions and 3 deletions
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6
src/plugins/sqldrivers/oci/qsql_oci.cpp
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@ -2405,16 +2405,16 @@ static QString make_where_clause(const QString &user, Expression e)
static const char joinC[][4] = { "or" , "and" };
static Q_CONSTEXPR QLatin1Char bang[] = { QLatin1Char(' '), QLatin1Char('!') };
const QLatin1String join(joinC[e], -1); // -1: force strlen call
const QLatin1String join(joinC[e]);
QString result;
result.reserve(sizeof sysUsers / sizeof *sysUsers *
// max-sizeof(owner != <sysuser> and )
(9 + sizeof *sysUsers + 5));
for (const auto &sysUser : sysUsers) {
const QLatin1String l1(sysUser, -1); // -1: force strlen call
const QLatin1String l1(sysUser);
if (l1 != user)
result += QLatin1String("owner ") + bang[e] + QLatin1String("= '") + l1 + QLatin1Char(' ') + join + QLatin1Char(' ');
result += QLatin1String("owner ") + bang[e] + QLatin1String("= '") + l1 + QLatin1String("' ") + join + QLatin1Char(' ');
}
result.chop(join.size() + 2); // remove final " <join> "