mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2026-05-14 19:07:15 +02:00
Code Issues Projects Releases Packages Wiki Activity

ndb - wl-1442 bug#7725 datetime ordering

Browse source 
mysql-test/t/ndb_index_ordered.test:
  wl-1442 datetime ordering
ndb/src/common/util/NdbSqlUtil.cpp:
  wl-1442 datetime ordering
This commit is contained in:
unknown 2005-01-08 13:59:57 +01:00
commit ce6de604c8
2 changed files with 39 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

24
ndb/src/common/util/NdbSqlUtil.cpp
View file

@ -469,21 +469,17 @@ int
NdbSqlUtil::cmpDatetime(const void* info, const Uint32* p1, const Uint32* p2, Uint32 full, Uint32 size)
{
assert(full >= size && size > 0);
/*
* Datetime is CC YY MM DD hh mm ss \0
*
* Not used via MySQL.
*/
union { const Uint32* p; const unsigned char* v; } u1, u2;
u1.p = p1;
u2.p = p2;
// no format check
int k = memcmp(u1.v, u2.v, 4);
if (k != 0)
return k < 0 ? -1 : +1;
if (size >= 2) {
k = memcmp(u1.v + 4, u2.v + 4, 4);
return k < 0 ? -1 : k > 0 ? +1 : 0;
union { Uint32 p[2]; Int64 v; } u1, u2;
u1.p[0] = p1[0];
u1.p[1] = p1[1];
u2.p[0] = p2[0];
u2.p[1] = p2[1];
if (u1.v < u2.v)
return -1;
if (u1.v > u2.v)
return +1;
return 0;
}
return CmpUnknown;
}