Added/Updated tests\functional\arno\optimizer\test_opt_full_join_02.py: Replaced WHERE-expr: added coalesce() after discussion with dimitr. Checked on 3.0.11.33665, 4.0.3.2904, 5.0.0.970

Author: pavel-zotov

tests/functional/arno/optimizer/test_opt_full_join_02.py

@@ -8,10 +8,14 @@
   Three tables are used, where 1 table (RC) holds references to the two other tables (R and C).
   The two tables R and C contain both 1 value that isn't inside RC.
 NOTES:
-[27.12.2020]
-  added 'rc.categoryid' to 'order by' list in order to have always stable sort result.
-  Mismatch with expected result due to different position of records with the same 'rc.relationid'
-  occured on 4.0.0.2298. CHecked on 4.0.0.2303.
+    [27.12.2020]
+        added 'rc.categoryid' to 'order by' list in order to have always stable sort result.
+        Mismatch with expected result due to different position of records with the same 'rc.relationid'
+        occured on 4.0.0.2298. CHecked on 4.0.0.2303.
+    [07.03.2023] pzotov
+    Replaced WHERE-expr: added coalesce() after discussion with dimitr, letter 07-mar-2023 16:29.
+    Plan changed for datasource 'R'.
+    Checked on 3.0.11.33665, 4.0.3.2904, 5.0.0.970
 FBTEST:      functional.arno.optimizer.opt_full_join_02
 """
 
@@ -67,6 +71,7 @@
 
 test_script = """
     set plan on;
+    --set explain on;
     --set list on;
 
     --full join should return ...
@@ -80,7 +85,8 @@
         full join relationcategories rc on (rc.relationid = r.relationid)
         full join categories c on (c.categoryid = rc.categoryid)
     where
-        r.relationid >= 2
+        --r.relationid >= 2
+        coalesce(r.relationid,0) >= 2
     order by
          rc.relationid desc
         ,rc.categoryid
@@ -90,8 +96,7 @@
 act = isql_act('db', test_script, substitutions=[('=', ''), ('[ \t]+', ' ')])
 
 expected_stdout = """
-    PLAN SORT (JOIN (JOIN (C NATURAL, JOIN (JOIN (RC NATURAL, R INDEX (PK_RELATIONS)), JOIN (R INDEX (PK_RELATIONS), RC INDEX (FK_RC_RELATIONS)))), JOIN (JOIN (JOIN (RC NATURAL, R INDEX (PK_RELATIONS)), JOIN (R INDEX (PK_RELATIONS), RC INDEX (FK_RC_RELATIONS))), C NATURAL)))
-
+    PLAN SORT (JOIN (JOIN (C NATURAL, JOIN (JOIN (RC NATURAL, R INDEX (PK_RELATIONS)), JOIN (R NATURAL, RC INDEX (FK_RC_RELATIONS)))), JOIN (JOIN (JOIN (RC NATURAL, R INDEX (PK_RELATIONS)), JOIN (R NATURAL, RC INDEX (FK_RC_RELATIONS))), C NATURAL)))
     RELATIONNAME                          RELATIONID   CATEGORYID DESCRIPTION
     =================================== ============ ============ ============
     racing turtle                                  3            1 relation