Minor Description
While trying to join two tables with non-english field names in postgresql with query like
"select view1.`Имя1` , view1.`Имя2`, view2.`Имя3` from view1 left join view2 on view1.`Имя2`=view2.`Имя4`"
we get an error which says that there is no field "`Имя4`" (field name is surrounded by backticks).
It appears that to get the data from the second table it constructs query like
SELECT "Имя3","Имя4" FROM "public"."tab2" WHERE ("`Имя4`" IS NOT NULL)
and these backticks are redundant in WHERE clause.
