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Fix loosing result lines when all of this is true:

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The table type is MYSQL
  The query where clause includes an indexed column
  The where clause contains < or <= operator on this column
Change version date
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/tabmysql.cpp

Add visual studio 2013 files to ignore
  modified:   .gitignore
This commit is contained in:
Olivier Bertrand
2015-07-06 12:33:11 +02:00
parent 8e524d2f84
commit f07359349f
3 changed files with 27 additions and 13 deletions
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30
storage/connect/tabmysql.cpp
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@@ -1059,27 +1059,35 @@ bool TDBMYSQL::ReadKey(PGLOBAL g, OPVAL op, const void *key, int len)
bool oom;
int oldlen = Query->GetLength();
if (op == OP_FIRST) {
#ifdef _DEBUG
assert(!key);
#endif
key_range *end_key = &To_Def->GetHandler()->save_end_range;
key = end_key->key;
len = end_key->length;
switch (end_key->flag) {
case HA_READ_BEFORE_KEY: op = OP_LT; break;
case HA_READ_AFTER_KEY: op = OP_LE; break;
default: key = NULL;
} // endswitch flag
} // endif OP_FIRST
if (!key || op == OP_NEXT ||
Mode == MODE_UPDATE || Mode == MODE_DELETE) {
#if 0
if (!key && Mode == MODE_READX) {
// This is a false indexed read
m_Rc = Myc.ExecSQL(g, Query->GetStr());
Mode = MODE_READ;
return (m_Rc == RC_FX) ? true : false;
} // endif key
#endif // 0
return false;
} else if (op == OP_FIRST) {
if (To_CondFil) {
oom = Query->Append(" WHERE ");
if ((oom |= Query->Append(To_CondFil->Body))) {
strcpy(g->Message, "Readkey: Out of memory");
return true;
} // endif oom
} // endif To_Condfil
} else {
if (Myc.m_Res)
Myc.FreeResult();