====== pears.DateAndTimeOverLap ======
<WRAP center round info>
Generated schema reference. Regenerate this page from the SQL unload; keep hand-maintained business notes in the narrative namespace.
</WRAP>

===== Original SQL =====
<code sql>
create function "pears"."DateAndTimeOverLap"( 
  /* Application Maintained Function / Procedure - DO NOT EDIT*/
  in "s1d" date,in "s1t1" time,in "s1t2" time,in "s2d" date,in "s2t1" time,in "s2t2" time ) 
returns tinyint
begin
  declare "rv" tinyint;
  declare "s1f" timestamp;
  declare "s1t" timestamp;
  declare "s2f" timestamp;
  declare "s2t" timestamp;
  set "rv" = 0;
  if "s1t1" is null then
    set "s1t1" = '00:00:00'
  end if;
  if "s2t1" is null then
    set "s2t1" = '00:00:00'
  end if;
  if "s1t2" is null then
    set "s1t2" = '23:59:59'
  end if;
  if "s2t2" is null then
    set "s2t2" = '23:59:59'
  end if;
  set "s1f" = "s1d"+"s1t1";
  set "s1t" = "s1d"+"s1t2";
  set "s2f" = "s2d"+"s2t1";
  set "s2t" = "s2d"+"s2t2";
  if "s1t" <= "s1f" then
    set "s1t" = "dateadd"("day",1,"s1t")
  end if;
  if "s2t" <= "s2f" then
    set "s2t" = "dateadd"("day",1,"s2t")
  end if;
  if "s1f" < "s2t" and "s1t" > "s2f" then
    set "rv" = 1
  end if;
  return "rv"
end
</code>