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MDEV-29397 CONNECT engine: Fix note turning into error (#2325)

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* MDEV-29397 Fix note turning into error

ODBC Rewind triggered an error with no SQL, but this is sometimes a
valid condition (as can be seen with other classes). Setting this to a 0
return stops errors firing when they shouldn't.

Also fixes ASAN hits from in MDEV-29687 tabext.cpp.
This commit is contained in:
Andrew Hutchings
2022-11-08 15:49:52 +00:00
committed by GitHub
parent 2ef2e2322a
commit fda5846704
4 changed files with 21 additions and 3 deletions
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2
storage/connect/odbconn.cpp
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@@ -2582,7 +2582,7 @@ int ODBConn::Rewind(char *sql, ODBCCOL *tocols)
int rc, rbuf = -1;
if (!m_hstmt)
rbuf = -1;
rbuf = 0;
else if (m_Full)
rbuf = m_Rows; // No need to "rewind"
else if (m_Scrollable) {