Index: openacs-4/packages/survey/www/process-response.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/survey/www/process-response.tcl,v
diff -u -r1.17.2.3 -r1.17.2.4
--- openacs-4/packages/survey/www/process-response.tcl	9 Feb 2020 16:10:31 -0000	1.17.2.3
+++ openacs-4/packages/survey/www/process-response.tcl	23 Mar 2021 13:36:24 -0000	1.17.2.4
@@ -191,16 +191,12 @@
                         # Deal with multiple responses.
                         set checked_responses $response_to_question($question_id)
                         foreach response_value $checked_responses {
-                            if { $response_value eq "" } {
-                                set response_value [db_null]
-                            }
-
                             db_dml survey_question_response_checkbox_insert "insert into survey_question_responses (response_id, question_id, choice_id)
  values (:response_id, :question_id, :response_value)"
                         }
                     }  else {
-                        if { $response_value eq "" || [lindex $response_value 0] eq "" } {
-                            set response_value [db_null]
+                        if { [lindex $response_value 0] eq "" } {
+                            set response_value ""
                         }
 
                         db_dml survey_question_response_choice_insert "insert into survey_question_responses (response_id, question_id, choice_id)
@@ -212,37 +208,23 @@
  values (:response_id, :question_id, :response_value)"
                 }
                 "boolean" {
-                    if { $response_value eq "" } {
-                        set response_value [db_null]
-                    }
 
                     db_dml survey_question_response_boolean_insert "insert into survey_question_responses (response_id, question_id, boolean_answer)
  values (:response_id, :question_id, :response_value)"
                 }
                 "integer" -
                 "number" {
-                    if { $response_value eq "" } {
-                        set response_value [db_null]
-                    }
                     db_dml survey_question_response_integer_insert "insert into survey_question_responses (response_id, question_id, number_answer)
  values (:response_id, :question_id, :response_value)"
                 }
                 "text" {
-                    if { $response_value eq "" } {
-                        set response_value [db_null]
-                    }
-
                     db_dml survey_question_response_text_insert "
 insert into survey_question_responses
 (response_id, question_id, clob_answer)
 values (:response_id, :question_id, empty_clob())
 returning clob_answer into :1" -clobs [list $response_value]
             }
             "date" {
-                if { $response_value eq "" } {
-                    set response_value [db_null]
-                }
-
                 db_dml survey_question_response_date_insert "insert into survey_question_responses (response_id, question_id, date_answer)
 values (:response_id, :question_id, :response_value)"
             }
Index: openacs-4/packages/survey/www/admin/process-response.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/survey/www/admin/process-response.tcl,v
diff -u -r1.7.2.3 -r1.7.2.4
--- openacs-4/packages/survey/www/admin/process-response.tcl	9 Feb 2020 16:10:31 -0000	1.7.2.3
+++ openacs-4/packages/survey/www/admin/process-response.tcl	23 Mar 2021 13:36:24 -0000	1.7.2.4
@@ -216,16 +216,12 @@
                         # Deal with multiple responses.
                         set checked_responses $response_to_question($question_id)
                         foreach response_value $checked_responses {
-                            if { $response_value eq "" } {
-                                set response_value [db_null]
-                            }
-
                             db_dml survey_question_response_checkbox_insert "insert into survey_question_responses (response_id, question_id, choice_id)
  values (:response_id, :question_id, :response_value)"
                         }
                     }  else {
-                        if { $response_value eq "" || [lindex $response_value 0] eq "" } {
-                            set response_value [db_null]
+                        if { [lindex $response_value 0] eq "" } {
+                            set response_value ""
                         }
 
                         db_dml survey_question_response_choice_insert "insert into survey_question_responses (response_id, question_id, choice_id)
@@ -237,37 +233,22 @@
  values (:response_id, :question_id, :response_value)"
                 }
                 "boolean" {
-                    if { $response_value eq "" } {
-                        set response_value [db_null]
-                    }
-
                     db_dml survey_question_response_boolean_insert "insert into survey_question_responses (response_id, question_id, boolean_answer)
  values (:response_id, :question_id, :response_value)"
                 }
                 "integer" -
                 "number" {
-                    if { $response_value eq "" } {
-                        set response_value [db_null]
-                    }
                     db_dml survey_question_response_integer_insert "insert into survey_question_responses (response_id, question_id, number_answer)
  values (:response_id, :question_id, :response_value)"
                 }
                 "text" {
-                    if { $response_value eq "" } {
-                        set response_value [db_null]
-                    }
-
                     db_dml survey_question_response_text_insert "
 insert into survey_question_responses
 (response_id, question_id, clob_answer)
 values (:response_id, :question_id, empty_clob())
 returning clob_answer into :1" -clobs [list $response_value]
             }
             "date" {
-                if { $response_value eq "" } {
-                    set response_value [db_null]
-                }
-
                 db_dml survey_question_response_date_insert "insert into survey_question_responses (response_id, question_id, date_answer)
 values (:response_id, :question_id, :response_value)"
             }