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-rwxr-xr-xGradeBook_lib.tcl35
1 files changed, 18 insertions, 17 deletions
diff --git a/GradeBook_lib.tcl b/GradeBook_lib.tcl
index 0b91928..a101eca 100755
--- a/GradeBook_lib.tcl
+++ b/GradeBook_lib.tcl
@@ -89,6 +89,24 @@ proc getColListFromTable {table} {
return $all_column_names
}
+proc SelectColvalueFromTable { table column_of_interest col row_value } {
+ # select value of 'column_of_interest' from 'table' where 'col'='row_value'
+ set value {}
+ set eval_str "SELECT \"$column_of_interest\" FROM \'$table\' WHERE \"$col\"=\"$row_value\""
+ set err [catch {
+ db eval $eval_str v {
+ set value $v($column_of_interest)
+ }
+ } errStat ]
+ if { $err } {
+ set msg_text "the following error happen in proc SelectColvalueFromTable while selecting from table $table $errStat"
+ htmlErrorMsg $msg_text
+ dbg $msg_text 3
+ set $value {}
+ }
+ return $value
+}
+
proc doesColumnExists {col table} {
if { $col in [getColListFromTable $table] } {
return true;
@@ -827,23 +845,6 @@ proc htmlFooter {permission_list} {
puts "</div>"
}
-proc SelectColvalueFromTable { table column_of_interest col row_value } {
- # select value of 'column_of_interest' from 'table' where 'col'='row_value'
- set value {}
- set eval_str "SELECT \"$column_of_interest\" FROM \'$table\' WHERE \"$col\"=\"$row_value\""
- set err [catch {
- db eval $eval_str v {
- set value $v($column_of_interest)
- }
- } errStat ]
- if { $err } {
- set msg_text "the following error happen in proc SelectColvalueFromTable while selecting from table $table $errStat"
- htmlErrorMsg $msg_text
- dbg $msg_text 3
- set $value {}
- }
- return $value
-}
proc SelectColValue4User { colname user } {
return [SelectColvalueFromTable GradesTable $colname UserName $user]