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    Fixed bug in LEFT JOIN ... WHERE not_null_key_column=NULL; · b3e3a09e
    unknown authored
    
    Docs/manual.texi:
      ChangeLog
    sql/field.h:
      New virtual function to set a field to null or signal an error
    sql/field_conv.cc:
      New function to set a field to null or signal an error
    sql/item.cc:
      When setting a field to null internally (for WHERE testing) don't autoconvert NULL -> now() or last_insert_id()
    sql/item.h:
      New virtual function to set a field to null or signal an error
    b3e3a09e
manual.texi 1.99 MB
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