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fix issue #766 #781

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fix issue #766 #781

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28 changes: 24 additions & 4 deletions sql-common/client.c
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Original file line number Diff line number Diff line change
Expand Up @@ -792,11 +792,31 @@ void read_ok_ex(MYSQL *mysql, ulong length)
switch (type)
{
case SESSION_TRACK_SYSTEM_VARIABLES:
case SESSION_TRACK_SCHEMA:
case SESSION_TRACK_TRANSACTION_CHARACTERISTICS:
/* Move past the total length of the changed entity. */
(void) net_field_length(&pos);

/* Name of the system variable. */
len= (size_t) net_field_length(&pos);

pos += len;

/* Value of the system variable. */
len= (size_t) net_field_length(&pos);
pos += len;

break;
case SESSION_TRACK_TRANSACTION_STATE:
/* not backported */
break;
case SESSION_TRACK_TRANSACTION_CHARACTERISTICS:
case SESSION_TRACK_SCHEMA:

/* Move past the total length of the changed entity. */
(void) net_field_length(&pos);

len= (size_t) net_field_length(&pos);

pos += len;

break;
case SESSION_TRACK_GTIDS:
if (!my_multi_malloc(MYF(0),
&element, sizeof(LIST),
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