pg: minor fixes

0.2_roadmap.txt

@@ -41,5 +41,6 @@
 + fast.vlang.io
 + bare metal support
 + inline assembly
++ x64 machine code generation (ELF)
 
 

vlib/compiler/parser.v

@@ -1625,7 +1625,9 @@ fn (p mut Parser) var_expr(v Var) string {
 			p.next()
 			return p.select_query(fn_ph)
 		}
-		if typ == 'pg__DB' && !p.fileis('pg.v') && p.peek() == .name {
+		if typ == 'pg__DB' && !p.fileis('pg.v') && p.peek() == .name &&
+			!p.tokens[p.token_idx].lit.contains('exec')
+		{
 			p.next()
 			p.insert_query(fn_ph)
 			return 'void'

vlib/pg/pg.v

@@ -5,19 +5,19 @@ module pg
 #flag darwin -I/opt/local/include/postgresql11
 #include <libpq-fe.h>
 
-struct DB {
+pub struct DB {
 mut:
 	conn &C.PGconn
 }
 
-struct Row {
+pub struct Row {
 pub mut:
 	vals []string
 }
 
 struct C.PGResult { }
 
-struct Config {
+pub struct Config {
 pub:
   host string
   user string