feat: Enhance MARS-1409 post-hook scripts to include checks for empty ODS tables and update installation script for workflow key diagnosis

MARS_Packages/REL02_POST/MARS-1409-POSTHOOK/01_MARS_1409_POSTHOOK_update_existing_workflow_keys.sql

@@ -22,6 +22,8 @@ DECLARE
     vFailedConfigs      NUMBER := 0;
     vTableNotFound      NUMBER := 0;
     vSkippedConfigs     NUMBER := 0;
+    vEmptyTables        NUMBER := 0;
+    vHasData            NUMBER := 0;
     vTableName          VARCHAR2(200);
     vSQL                VARCHAR2(32767);
     vRecordsToUpdate    NUMBER := 0;
@@ -84,6 +86,28 @@ BEGIN
                 CONTINUE;
             END IF;
 
+            -- Pre-check: verify ODS table has accessible data (empty external table throws ORA-29913/KUP-05002)
+            vHasData := 0;
+            BEGIN
+                EXECUTE IMMEDIATE 'SELECT COUNT(*) FROM (SELECT 1 FROM ' || vTableName || ' t WHERE ROWNUM = 1)'
+                    INTO vHasData;
+            EXCEPTION
+                WHEN OTHERS THEN
+                    IF SQLCODE = -29913 OR INSTR(SQLERRM, 'KUP-05002') > 0 THEN
+                        NULL; -- vHasData stays 0
+                    ELSE
+                        RAISE;
+                    END IF;
+            END;
+
+            IF vHasData = 0 THEN
+                vEmptyTables := vEmptyTables + 1;
+                DBMS_OUTPUT.PUT_LINE('SKIP: Config ' || config_rec.A_SOURCE_FILE_CONFIG_KEY ||
+                                   ' (' || config_rec.A_SOURCE_KEY || '/' || config_rec.SOURCE_FILE_ID || '/' || config_rec.TABLE_ID ||
+                                   ') - ODS table has no files at storage location (empty): ' || vTableName);
+                CONTINUE;
+            END IF;
+
             DBMS_OUTPUT.PUT_LINE('Processing config ' || config_rec.A_SOURCE_FILE_CONFIG_KEY || 
                                ' (' || config_rec.A_SOURCE_KEY || '/' || config_rec.SOURCE_FILE_ID || '/' || config_rec.TABLE_ID || ')...');
             
@@ -134,6 +158,7 @@ BEGIN
     DBMS_OUTPUT.PUT_LINE('  Total records updated: ' || vUpdatedTotal);
     DBMS_OUTPUT.PUT_LINE('  Configurations skipped (no NULL records): ' || vSkippedConfigs);
     DBMS_OUTPUT.PUT_LINE('  Configurations skipped (ODS table not found): ' || vTableNotFound);
+    DBMS_OUTPUT.PUT_LINE('  Configurations skipped (ODS table empty - no files at location): ' || vEmptyTables);
     DBMS_OUTPUT.PUT_LINE('  Configurations failed (unexpected errors): ' || vFailedConfigs);
     
     -- Check remaining NULL records - targeted statuses only

MARS_Packages/REL02_POST/MARS-1409-POSTHOOK/install_mars1409_posthook.sql

@@ -63,7 +63,7 @@ PROMPT
 PROMPT ============================================================================
 PROMPT STEP 2: Diagnose workflow key status
 PROMPT ============================================================================
-@@diagnose_workflow_key_status.sql
+@@02_MARS_1409_POSTHOOK_diagnose_workflow_key_status.sql
 
 PROMPT
 PROMPT ============================================================================