1) Add support for GB18030.

2) Fix a bug about the handling of large objects.

src/interfaces/odbc/execute.c

@@ -777,7 +777,7 @@ PGAPI_ParamData(
 		/* commit transaction if needed */
 		if (!ci->drivers.use_declarefetch && CC_is_in_autocommit(stmt->hdbc))
 		{
-			if (CC_commit(stmt->hdbc))
+			if (!CC_commit(stmt->hdbc))
 			{
 				stmt->errormsg = "Could not commit (in-line) a transaction";
 				stmt->errornumber = STMT_EXEC_ERROR;

src/interfaces/odbc/multibyte.c

@@ -56,6 +56,7 @@ pg_CS CS_Table[] =
 	{ "GBK", GBK },
 	{ "UHC", UHC },
 	{ "WIN1250",	WIN1250 },
+	{ "GB18030",	GB18030 },
 	{ "OTHER", OTHER }
 };
 
@@ -239,6 +240,25 @@ pg_CS_stat(int stat,unsigned int character,int characterset_code)
 					stat = 0;
 			}
 			break;
+			/*Chinese GB18030 support.Added by Bill Huang <bhuang@redhat.com> <bill_huanghb@ybb.ne.jp>*/
+		case GB18030:
+			{
+				if (stat < 2 && character > 0x80)
+					stat = 2;
+				else if (stat = 2)
+					if (character >= 0x30 && character <= 0x39)
+						stat = 3;
+					else
+						stat = 1;
+				else if (stat = 3)
+					if (character >= 0x30 && character <= 0x39)
+						stat = 1;
+					else
+						stat = 3;
+				else
+					stat = 0;
+			}
+			break;
 		default:
 			{
 				stat = 0;

src/interfaces/odbc/multibyte.h

@@ -41,6 +41,7 @@
 #define GBK					30	/* GBK */
 #define UHC					31  /* UHC */
 #define WIN1250				32	/* windows-1250 */
+#define GB18030				33	/* GB18030 */
 #define OTHER				-1
 
 #define MAX_CHARACTERSET_NAME	24