Hide empty columns of DUT Summary Table if all values are empty

STDF-Viewer.py

@@ -4,7 +4,7 @@
 # Author: noonchen - chennoon233@foxmail.com
 # Created Date: December 13th 2020
 # -----
-# Last Modified: Sun Oct 19 2025
+# Last Modified: Sun Nov 02 2025
 # Modified By: noonchen
 # -----
 # Copyright (c) 2020 noonchen
@@ -726,7 +726,9 @@ def updateDutSummaryTable(self):
         self.tmodel_dut.setQuery(QtSql.QSqlQuery(DUT_SUMMARY_QUERY, self.db_dut))
 
         for column in range(0, header.count()):
-            if column in [2, 3, header.count()-1]:
+            if column in [DutTableColIndex.PartID, 
+                          DutTableColIndex.HeadSite, 
+                          DutTableColIndex.DutFlag]:
                 # PartID, Head-Site and DUT Flag
                 # column may be too long to display
                 mode = QHeaderView.ResizeMode.ResizeToContents
@@ -735,15 +737,15 @@ def updateDutSummaryTable(self):
             header.setSectionResizeMode(column, mode)
 
         # always hide dut index column
-        self.ui.dutInfoTable.hideColumn(0)
-        # hide file id column if 1 file is opened
-        if self.data_interface.num_files <= 1:
-            self.ui.dutInfoTable.hideColumn(1)
-        else:
-            self.ui.dutInfoTable.showColumn(1)
-        # # show all rows
-        # while self.tmodel_dut.canFetchMore():
-        #     self.tmodel_dut.fetchMore()
+        self.ui.dutInfoTable.hideColumn(DutTableColIndex.DutIndex)
+        # hide other columns under specific condition
+        for hideCond, col in [(self.data_interface.num_files <= 1, DutTableColIndex.FileID),
+                              (self.data_interface.noWaferID, DutTableColIndex.WaferID),
+                              (self.data_interface.noWaferXY, DutTableColIndex.XYCOORD)]:
+            if hideCond:
+                self.ui.dutInfoTable.hideColumn(col)
+            else:
+                self.ui.dutInfoTable.showColumn(col)
 
 
     def updateGDR_DTR_Table(self):

deps/DataInterface.py

@@ -4,7 +4,7 @@
 # Author: noonchen - chennoon233@foxmail.com
 # Created Date: November 3rd 2022
 # -----
-# Last Modified: Sun Oct 12 2025
+# Last Modified: Sun Nov 02 2025
 # Modified By: noonchen
 # -----
 # Copyright (c) 2022 noonchen
@@ -50,7 +50,7 @@ def __init__(self):
         self.completeWaferList = []
         # cache test pin list and names for MPR
         self.pinInfoDictCache = {}
-        
+
 
     def loadDatabase(self):
         if not os.path.isfile(self.dbPath):
@@ -80,6 +80,9 @@ def loadDatabase(self):
         # for UI display
         self.completeTestList = self.DatabaseFetcher.getTestItemsList()
         self.completeWaferList = self.DatabaseFetcher.getWaferList()
+        # for dut summary
+        self.noWaferID = self.DatabaseFetcher.isDutInfoColumnEmpty("WaferIndex")
+        self.noWaferXY = self.DatabaseFetcher.isDutInfoColumnEmpty("XCOORD")
 
 
     def close(self):

deps/DatabaseFetcher.py

@@ -4,7 +4,7 @@
 # Author: noonchen - chennoon233@foxmail.com
 # Created Date: May 15th 2021
 # -----
-# Last Modified: Sun Oct 19 2025
+# Last Modified: Sun Nov 02 2025
 # Modified By: noonchen
 # -----
 # Copyright (c) 2021 noonchen
@@ -84,6 +84,22 @@ def readFilePaths(self):
         self.file_paths = file_paths
 
 
+    def isDutInfoColumnEmpty(self, columnName: str) -> bool:
+        '''return True if the given column of Dut_Info table has no valid value'''
+        if self.cursor is None: raise RuntimeError("No database is connected")
+
+        sql = f'''SELECT EXISTS (
+                    SELECT 1 
+                    FROM Dut_Info 
+                    WHERE {columnName} IS NOT NULL 
+                        AND 
+                        (typeof({columnName}) != 'text' OR trim({columnName}) != "")
+                    )'''
+
+        validDataExist = self.cursor.execute(sql).fetchone()[0]
+        return not validDataExist
+
+
     @property
     def num_files(self):
         return len(self.file_paths)