Detailed revision comments:

r6103 | marko | 2009-10-26 15:46:18 +0200 (Mon, 26 Oct 2009) | 4 lines
branches/zip: row_ins_alloc_sys_fields(): Zero out the system columns
DB_TRX_ID, DB_ROLL_PTR and DB_ROW_ID, in order to avoid harmless
Valgrind warnings about uninitialized data.  (The warnings were
harmless, because the fields would be initialized at a later stage.)