Handle sql queries where a double constant value has a trailing .

with no extra digits, e.g. "my_double_col" = 123.

src/sql/lexer.l

@@ -113,7 +113,7 @@ strptime\(	{ return STRPTIME; }
 		return STRING;
 	}
 
-(-?[0-9]+|(-?[0-9]*\.[0-9]+)(e[-+]?[0-9]+)?) {
+(-?[0-9]+|(-?[0-9]*\.[0-9]*)(e[-+]?[0-9]+)?) {
 		yylval->name = g_strdup(yytext); return NUMBER;
 	}
 ~?(\/?[a-z0-9\.\-\_\!\~\'\(\)\%\xa0-\xff]+)+ {