When null and the column is NOT NULL the value was not reset.
  modified:   storage/connect/tabjson.cpp

Fix converting bstr_t string to set error message
  modified:   storage/connect/domdoc.cpp

Fix MDEV-12768: -Wformat-overflow compile warnings
  modified:   storage/connect/global.h
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/plugutil.cpp
  modified:   storage/connect/tabvct.cpp

Typo (in external_lock)
  modified:   storage/connect/ha_connect.cc

Remove some warnings
  modified:   storage/connect/odbconn.cpp
  modified:   storage/connect/tabmysql.cpp

Add MEM_RESERVE flag to virtualAlloc
  modified:   storage/connect/plgdbutl.cpp

Fix MDEV-12573:
Accept=1 may show incorrect value for NULL column in CONNECT TBL
  modified:   storage/connect/tabutil.cpp

Fix wrong setting of key size when greater than 2G
 modified:   storage/connect/xindex.cpp

Fixing MDEV-12149: compile errors on Windows with /Zc:strictStrings
Introduce typedef PCSZ and replace PSZ by it where it matters
All done on CONNECT but compile still fails because of an included system file
  modified:   storage/connect/array.cpp
  modified:   storage/connect/catalog.h
  modified:   storage/connect/colblk.cpp
  modified:   storage/connect/colblk.h
  modified:   storage/connect/connect.cc
  modified:   storage/connect/domdoc.cpp
  modified:   storage/connect/domdoc.h
  modified:   storage/connect/filamdbf.cpp
  modified:   storage/connect/filamdbf.h
  modified:   storage/connect/filamfix.cpp
  modified:   storage/connect/filamgz.cpp
  modified:   storage/connect/filamtxt.h
  modified:   storage/connect/filamvct.cpp
  modified:   storage/connect/filamvct.h
  modified:   storage/connect/filamzip.cpp
  modified:   storage/connect/filamzip.h
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/ha_connect.h
  modified:   storage/connect/jdbccat.h
  modified:   storage/connect/jdbconn.cpp
  modified:   storage/connect/jdbconn.h
  modified:   storage/connect/json.cpp
  modified:   storage/connect/json.h
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/jsonudf.h
  modified:   storage/connect/libdoc.cpp
  modified:   storage/connect/macutil.cpp
  modified:   storage/connect/myconn.cpp
  modified:   storage/connect/myutil.cpp
  modified:   storage/connect/myutil.h
  modified:   storage/connect/odbccat.h
  modified:   storage/connect/odbconn.cpp
  modified:   storage/connect/odbconn.h
  modified:   storage/connect/os.h
  modified:   storage/connect/plgdbsem.h
  modified:   storage/connect/plgdbutl.cpp
  modified:   storage/connect/plgxml.cpp
  modified:   storage/connect/plgxml.h
  modified:   storage/connect/plugutil.cpp
  modified:   storage/connect/preparse.h
  modified:   storage/connect/reldef.cpp
  modified:   storage/connect/reldef.h
  modified:   storage/connect/tabdos.cpp
  modified:   storage/connect/tabdos.h
  modified:   storage/connect/tabext.cpp
  modified:   storage/connect/tabext.h
  modified:   storage/connect/tabfix.cpp
  modified:   storage/connect/tabfix.h
  modified:   storage/connect/tabfmt.cpp
  modified:   storage/connect/tabfmt.h
  modified:   storage/connect/tabjdbc.cpp
  modified:   storage/connect/tabjdbc.h
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/tabjson.h
  modified:   storage/connect/table.cpp
  modified:   storage/connect/tabmac.cpp
  modified:   storage/connect/tabmul.cpp
  modified:   storage/connect/tabmul.h
  modified:   storage/connect/tabmysql.cpp
  modified:   storage/connect/tabmysql.h
  modified:   storage/connect/tabodbc.cpp
  modified:   storage/connect/tabodbc.h
  modified:   storage/connect/tabpivot.cpp
  modified:   storage/connect/tabpivot.h
  modified:   storage/connect/tabsys.cpp
  modified:   storage/connect/tabsys.h
  modified:   storage/connect/tabutil.cpp
  modified:   storage/connect/tabutil.h
  modified:   storage/connect/tabvir.cpp
  modified:   storage/connect/tabvir.h
  modified:   storage/connect/tabwmi.cpp
  modified:   storage/connect/tabwmi.h
  modified:   storage/connect/tabxml.cpp
  modified:   storage/connect/tabxml.h
  modified:   storage/connect/tabzip.cpp
  modified:   storage/connect/tabzip.h
  modified:   storage/connect/valblk.cpp
  modified:   storage/connect/valblk.h
  modified:   storage/connect/value.cpp
  modified:   storage/connect/value.h
  modified:   storage/connect/xindex.cpp
  modified:   storage/connect/xobject.cpp
  modified:   storage/connect/xobject.h
  modified:   storage/connect/xtable.h

Fix MDEV-12603 Insert replaces values in ZIP file
  modified:   storage/connect/filamzip.cpp
  modified:   storage/connect/filamzip.h

Fix MDEV-12686 Handle null in json
Fix MDEV-12688 Insert does not handle type TINYINT
  modified:   storage/connect/json.cpp
  modified:   storage/connect/tabjson.cpp

Fix MDEV-12653 Cannot add index for ZIP CONNECT table
  modified:   storage/connect/filamzip.cpp
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/tabdos.cpp
  modified:   storage/connect/tabfmt.cpp
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/xindex.cpp