Fixed parsing of parameters. Added regression test for this.

src/interfaces/ecpg/ChangeLog

@@ -2382,6 +2382,10 @@ Tue, 07 Oct 2008 14:35:26 +0200
 Fri, 10 Oct 2008 14:03:05 +0200
 
 	- Fixed "create role" parsing to accept optional "with" argument.
+
+Tue, 14 Oct 2008 11:25:51 +0200
+
+	- Fixed parameter parsing.
 	- Set pgtypes library version to 3.1.
 	- Set compat library version to 3.1.
 	- Set ecpg library version to 6.2.

src/interfaces/ecpg/preproc/Makefile

@@ -4,7 +4,7 @@
 #
 # Copyright (c) 1998-2008, PostgreSQL Global Development Group
 #
-# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.136 2008/08/29 13:02:32 petere Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.137 2008/10/14 09:31:04 meskes Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -55,7 +55,6 @@ endif
 ecpg_keywords.o c_keywords.o keywords.o preproc.o parser.o: preproc.h
 
 # instead of maintaining our own list, take the one from the backend
-# we cannot just link it in, but must copy and make some minor changes
 keywords.c: % : $(top_srcdir)/src/backend/parser/%
 	rm -f $@ && $(LN_S) $< .
 

src/interfaces/ecpg/preproc/preproc.y

-/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.375 2008/10/10 12:17:18 meskes Exp $ */
+/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/preproc.y,v 1.376 2008/10/14 09:31:04 meskes Exp $ */
 
 /* Copyright comment */
 %{
@@ -658,7 +658,7 @@ add_typedef(char *name, char * dimension, char * length, enum ECPGttype type_enu
 %type  <str>	AlterOwnerStmt OptTableSpaceOwner CreateTableSpaceStmt
 %type  <str>	DropTableSpaceStmt indirection indirection_el ECPGSetDescriptorHeader
 %type  <str>	AlterDatabaseStmt CreateRoleStmt OptRoleList AlterRoleStmt AlterRoleSetStmt
-%type  <str>	DropRoleStmt add_drop opt_validator common_func_opt_item
+%type  <str>	DropRoleStmt add_drop opt_validator common_func_opt_item Param
 %type  <str>	opt_grant_admin_option AlterFunctionStmt alterfunc_opt_list opt_restrict
 %type  <str>	AlterObjectSchemaStmt alterdb_opt_list for_locking_clause opt_for_locking_clause
 %type  <str>	locked_rels_list opt_granted_by RevokeRoleStmt alterdb_opt_item using_clause
@@ -3939,7 +3939,7 @@ where_clause:  WHERE a_expr		{ $$ = cat2_str(make_str("where"), $2); }
 
 where_or_current_clause:  WHERE a_expr			{ $$ = cat2_str(make_str("where"), $2); }
 		| WHERE CURRENT_P OF name		{ $$ = cat2_str(make_str("where current of"), $4); }
-		| WHERE CURRENT_P OF PARAM		{ $$ = make_str("where current of param"); }
+		| WHERE CURRENT_P OF Param		{ $$ = cat2_str(make_str("where current of"), $4); }
 		| /*EMPTY*/				{ $$ = EMPTY;  /* no qualifiers */ }
 		;
 
@@ -4397,8 +4397,8 @@ c_expr: columnref
 			{ $$ = $1;	}
 		| AexprConst
 			{ $$ = $1;	}
-		| PARAM opt_indirection
-			{ $$ = cat2_str(make_str("param"), $2); }
+		| Param opt_indirection
+			{ $$ = cat2_str($1, $2); }
 		| '(' a_expr ')' opt_indirection
 			{ $$ = cat_str(4, make_str("("), $2, make_str(")"), $4); }
 		| case_expr
@@ -4920,6 +4920,7 @@ AexprConst:  PosAllConst
 			{ $$ = $1; }
 		;
 
+Param:   PARAM				{ $$ = make_name();};
 Iconst:  ICONST				{ $$ = make_name();};
 Fconst:  FCONST				{ $$ = make_name();};
 Bconst:  BCONST				{ $$ = make_name();};

src/interfaces/ecpg/test/expected/sql-fetch.c

@@ -162,34 +162,72 @@ if (sqlca.sqlcode < 0) sqlprint();}
 
   printf("%d: %s\n", i, str);
 
-  { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close C", ECPGt_EOIT, ECPGt_EORT);
+  /* declare D  cursor  for select  *  from My_Table where Item1 = $1    */
 #line 42 "fetch.pgc"
 
+
+  { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "declare D  cursor  for select  *  from My_Table where Item1 = $1   ", 
+	ECPGt_const,"1",(long)1,(long)1,strlen("1"), 
+	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
+#line 44 "fetch.pgc"
+
 if (sqlca.sqlwarn[0] == 'W') sqlprint();
-#line 42 "fetch.pgc"
+#line 44 "fetch.pgc"
 
 if (sqlca.sqlcode < 0) sqlprint();}
-#line 42 "fetch.pgc"
+#line 44 "fetch.pgc"
+
+
+  /* exec sql whenever not found  break ; */
+#line 46 "fetch.pgc"
+
+  while (1) {
+  	{ ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "fetch 1 in D", ECPGt_EOIT, 
+	ECPGt_int,&(i),(long)1,(long)1,sizeof(int), 
+	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
+	ECPGt_char,(str),(long)25,(long)1,(25)*sizeof(char), 
+	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);
+#line 48 "fetch.pgc"
+
+if (sqlca.sqlcode == ECPG_NOT_FOUND) break;
+#line 48 "fetch.pgc"
+
+if (sqlca.sqlwarn[0] == 'W') sqlprint();
+#line 48 "fetch.pgc"
+
+if (sqlca.sqlcode < 0) sqlprint();}
+#line 48 "fetch.pgc"
+
+	printf("%d: %s\n", i, str);
+  }
+  { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "close D", ECPGt_EOIT, ECPGt_EORT);
+#line 51 "fetch.pgc"
+
+if (sqlca.sqlwarn[0] == 'W') sqlprint();
+#line 51 "fetch.pgc"
+
+if (sqlca.sqlcode < 0) sqlprint();}
+#line 51 "fetch.pgc"
 
 
   { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "drop table My_Table ", ECPGt_EOIT, ECPGt_EORT);
-#line 44 "fetch.pgc"
+#line 53 "fetch.pgc"
 
 if (sqlca.sqlwarn[0] == 'W') sqlprint();
-#line 44 "fetch.pgc"
+#line 53 "fetch.pgc"
 
 if (sqlca.sqlcode < 0) sqlprint();}
-#line 44 "fetch.pgc"
+#line 53 "fetch.pgc"
 
 
   { ECPGdisconnect(__LINE__, "ALL");
-#line 46 "fetch.pgc"
+#line 55 "fetch.pgc"
 
 if (sqlca.sqlwarn[0] == 'W') sqlprint();
-#line 46 "fetch.pgc"
+#line 55 "fetch.pgc"
 
 if (sqlca.sqlcode < 0) sqlprint();}
-#line 46 "fetch.pgc"
+#line 55 "fetch.pgc"
 
 
   return 0;

src/interfaces/ecpg/test/expected/sql-fetch.stderr

@@ -102,17 +102,46 @@
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_get_data on line 39: RESULT: text4 offset: -1; array: yes
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 42: query: close C; with 0 parameter(s) on connection regress1
+[NO_PID]: ecpg_execute on line 44: query: declare D  cursor  for select  *  from My_Table where Item1 = $1   ; with 1 parameter(s) on connection regress1
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 42: using PQexec
+[NO_PID]: ecpg_execute on line 44: using PQexecParams
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 42: OK: CLOSE CURSOR
+[NO_PID]: free_params on line 44: parameter 1 = 1
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 44: query: drop table My_Table ; with 0 parameter(s) on connection regress1
+[NO_PID]: ecpg_execute on line 44: OK: DECLARE CURSOR
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 44: using PQexec
+[NO_PID]: ecpg_execute on line 48: query: fetch 1 in D; with 0 parameter(s) on connection regress1
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 44: OK: DROP TABLE
+[NO_PID]: ecpg_execute on line 48: using PQexec
 [NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 48: correctly got 1 tuples with 2 fields
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_get_data on line 48: RESULT: 1 offset: -1; array: yes
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_get_data on line 48: RESULT: text1 offset: -1; array: yes
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 48: query: fetch 1 in D; with 0 parameter(s) on connection regress1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 48: using PQexec
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 48: correctly got 0 tuples with 2 fields
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: raising sqlcode 100 on line 48: no data found on line 48
+[NO_PID]: sqlca: code: 100, state: 02000
+[NO_PID]: ecpg_execute on line 51: query: close D; with 0 parameter(s) on connection regress1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 51: using PQexec
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 51: OK: CLOSE CURSOR
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 53: query: drop table My_Table ; with 0 parameter(s) on connection regress1
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_execute on line 53: using PQexec
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: ecpg_check_PQresult on line 53: ERROR:  relation 16491 is still open
+[NO_PID]: sqlca: code: 0, state: 00000
+[NO_PID]: raising sqlstate XX000 (sqlcode -400) on line 53: relation 16491 is still open on line 53
+[NO_PID]: sqlca: code: -400, state: XX000
+sql error: relation 16491 is still open on line 53
 [NO_PID]: ecpg_finish: connection regress1 closed
 [NO_PID]: sqlca: code: 0, state: 00000

src/interfaces/ecpg/test/expected/sql-fetch.stdout

@@ -3,3 +3,4 @@
 3: text3
 4: text4
 4: text4
+1: text1

src/interfaces/ecpg/test/sql/fetch.pgc

@@ -39,7 +39,16 @@ int main(int argc, char* argv[]) {
   EXEC SQL FETCH :count IN C INTO :i, :str;
   printf("%d: %s\n", i, str);
 
-  EXEC SQL CLOSE C;
+  EXEC SQL DECLARE D CURSOR FOR SELECT * FROM My_Table WHERE Item1 = $1;
+
+  EXEC SQL OPEN D using 1;
+
+  EXEC SQL WHENEVER NOT FOUND DO BREAK;
+  while (1) {
+  	EXEC SQL FETCH 1 IN D INTO :i, :str;
+	printf("%d: %s\n", i, str);
+  }
+  EXEC SQL CLOSE D;
 
   EXEC SQL DROP TABLE My_Table;