Fixed bug with invisible columns found in tables referenced by an object

type name with %ROWTYPE (#325).

Author: anthony-tuininga

doc/src/release_notes.rst

@@ -17,6 +17,9 @@ oracledb 2.2.0 (TBD)
 Thin Mode Changes
 +++++++++++++++++
 
+#)  Fixed bug in handling invisible columns with object type names containing
+    ``%ROWTYPE``
+    (`issue 325 <https://github.com/oracle/python-oracledb/issues/325>`__).
 #)  Internal change: further efforts to tighten code looking for the end of a
     database request made to Oracle Database 23c.
 

src/oracledb/impl/thin/dbobject_cache.pyx

@@ -80,9 +80,10 @@ cdef str DBO_CACHE_SQL_GET_COLUMNS = """
             end,
             nvl(data_precision, 0),
             nvl(data_scale, 0)
-        from all_tab_columns
+        from all_tab_cols
         where owner = :owner
           and table_name = substr(:name, 1, length(:name) - 8)
+          and hidden_column != 'YES'
         order by column_id"""
 
 cdef str DBO_CACHE_SQL_GET_ELEM_TYPE_WITH_PACKAGE = """

tests/sql/create_schema.sql

@@ -347,7 +347,8 @@ create table &main_user..TestAllTypes (
     NCLOBValue                          nclob,
     BLOBValue                           blob,
     SubObjectValue                      &main_user..udt_SubObject,
-    SubObjectArray                      &main_user..udt_ObjectArray
+    SubObjectArray                      &main_user..udt_ObjectArray,
+    InvisibleValue                      number invisible
 )
 /