was the query REPLACE or LOAD DATA INFILE REPLACE.


innobase/row/row0ins.c:
  Find SQL-query directly from current thread and see if the
  query was REPLACE or LOAD DATA INFILE REPLACE.
sql/ha_innodb.cc:
  Find current thread and return true if SQL-query in the current
  thread was either REPLACE or LOAD DATA INFILE REPLACE.