Patch for Bug No: 1254

I am sending a patch for the following bug:

http://gborg.postgresql.org/project/psqlodbc/bugs/bugupdate.php?1254

The patch was tested on postgresql (ver. 8.0.1), psqlodbc (ver.
08.00.0101), Windows XP (client side) and Windows XP with SP2 (Server
end)/Fedora Core 3 (Server end).


Regards

Anoop

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Index: info.c
===================================================================
RCS file: /usr/local/cvsroot/psqlodbc/info.c,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 info.c
--- info.c    21 Apr 2005 05:27:13 -0000    1.1.1.1
+++ info.c    21 Apr 2005 05:29:28 -0000
@@ -1217,6 +1217,7 @@
                 table_types[MAX_INFO_STRING];
     char        show_system_tables,
                 show_regular_tables,
+                remarks[254], //Added for holding Table
Description, if any.
                 show_views;
     char        regular_table,
                 view,
@@ -1254,9 +1255,18 @@
     if (conn->schema_support)
     {
         /* view is represented by its relkind since 7.1 */
-        strcpy(tables_query, "select relname, nspname, relkind"
-        " from pg_catalog.pg_class c, pg_catalog.pg_namespace
n");
-        strcat(tables_query, " where relkind in ('r', 'v')");
+
+        /* Previously it was:
+         * strcpy(tables_query, "select relname, nspname,
relkind"
+         * from pg_catalog.pg_class c, pg_catalog.pg_namespace
n");
+         * strcat(tables_query, " where relkind in ('r', 'v')");
+         * Modified query to retrieve the description of the
table:
+         */
+
+        strcpy(tables_query,"SELECT DISTINCT tt.relname,
tt.nspname, tt.relkind, COALESCE(d.description,'') from");
+        strcat(tables_query," (SELECT c.oid as oid, c.tableoid as
tableoid, n.nspname as nspname, c.relname, c.relkind");
+        strcat(tables_query," FROM pg_catalog.pg_class c LEFT
JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace");
+        strcat(tables_query," WHERE c.relkind IN ('r', 'v') ");
     }
     else if (PG_VERSION_GE(conn, 7.1))
     {
@@ -1367,7 +1377,16 @@
         strcat(tables_query, " and relname !~ '^xinv[0-9]+'");

     if (conn->schema_support)
-        strcat(tables_query, " and n.oid = relnamespace order by
nspname, relname");
+    {
+        /* Previously it was:
+         * strcat(tables_query, " and n.oid = relnamespace order
by nspname, relname");
+         * Modified query to retrieve the description of the
table:
+         */
+
+        strcat(tables_query," ) AS tt LEFT JOIN
pg_catalog.pg_description d ");
+        strcat(tables_query," ON (tt.oid = d.objoid AND
tt.tableoid = d.classoid AND d.objsubid = 0)");
+        strcat(tables_query," order by nspname, relname");
+    }
     else
         strcat(tables_query, " and usesysid = relowner order by
relname");

@@ -1427,7 +1446,15 @@
         SC_error_copy(stmt, tbl_stmt);
         goto cleanup;
     }
-
+    /* Binds the description column to variable 'remarks' */
+    result = PGAPI_BindCol(htbl_stmt, 4, internal_asis_type,
+                               remarks, 254,
NULL);
+    if ((result != SQL_SUCCESS) && (result !=
SQL_SUCCESS_WITH_INFO))
+    {
+            SC_error_copy(stmt, tbl_stmt);
+            goto cleanup;
+    }
+
     if (res = QR_Constructor(), !res)
     {
         SC_set_error(stmt, STMT_NO_MEMORY_ERROR, "Couldn't
allocate memory for PGAPI_Tables result.");
@@ -1525,7 +1552,7 @@
                 set_tuplefield_null(&row->tuple[1]);
             set_tuplefield_string(&row->tuple[2],
table_name);
             set_tuplefield_string(&row->tuple[3], systable ?
"SYSTEM TABLE" : (view ? "VIEW" : "TABLE"));
-            set_tuplefield_string(&row->tuple[4], "");
+            set_tuplefield_string(&row->tuple[4], remarks);
             /*** set_tuplefield_string(&row->tuple[4],
"TABLE"); ***/

             QR_add_tuple(res, row);

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