allow empty queries as returning the empty sequence
allow empty queries as returning the empty sequence

(maybe not formal semantics conformant, need it to be able to translate lists
 of function definitions for the soap rpc functionality we are building)

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb