Fix number search option

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+- Fix `numeric` field search
 - Fix containers migration while adding `is_recursive` field
 - Fix container update from other context (like plugins)
 - Fix "not equals" search operator for dropdown `multiple`

hook.php

@@ -338,12 +338,45 @@ function plugin_datainjection_populate_fields()
 
 function plugin_fields_addWhere($link, $nott, $itemtype, $ID, $val, $searchtype)
 {
-    $searchopt = &Search::getOptions($itemtype);
-    $table     = $searchopt[$ID]['table'];
-    $field     = $searchopt[$ID]['field'];
+    /** @var \DBmysql $DB */
+    global $DB;
+
+    $searchopt    = &Search::getOptions($itemtype);
+    $table        = $searchopt[$ID]['table'];
+    $field        = $searchopt[$ID]['field'];
+    $pfields_type = $searchopt[$ID]['pfields_type'] ?? '';
 
     $field_field = new PluginFieldsField();
 
+    if (
+        $field_field->getFromDBByCrit(
+            [
+                'name'     => $field,
+                'type' => 'number',
+            ],
+        )
+        && $pfields_type == 'number'
+    ) {
+        // if 'number' field with name is found with searchtype 'equals' or 'notequals'
+        // update WHERE clause with `$table_$field.$field` because without `$table_$field.id` is used
+        if ($searchtype == 'equals' || $searchtype == 'notequals') {
+            $operator = ($searchtype == 'equals') ? '=' : '!=';
+            if ($nott) {
+                $link = $link . ' NOT ';
+            }
+            return $link . 'CAST(' . $DB->quoteName("$table" . '_' . "$field") . '.' . $DB->quoteName($field) . ' AS DECIMAL(10,7))' . $operator . ' ' . $DB->quoteValue($val) ;
+        } else {
+            // if 'number' field with name is found with <= or >= or < or > search
+            // update WHERE clause with the correct operator
+            $val = html_entity_decode($val);
+            if (preg_match('/(<=|>=|>|<)/', $val, $matches)) {
+                $operator = $matches[1];
+                $val = trim(str_replace($operator, '', $val));
+                return $link . $DB->quoteName("$table" . '_' . "$field") . '.' . $DB->quoteName($field) . $operator . ' ' . $DB->quoteValue($val);
+            }
+        }
+    }
+
     // if 'multiple' field with name is found -> 'Dropdown-XXXX' case
     // update WHERE clause with LIKE statement
     if (

inc/container.class.php

@@ -1967,7 +1967,9 @@ public static function getAddSearchOptions($itemtype, $containers_id = false)
                     $opt[$i]['datatype'] = 'text';
                     break;
                 case 'number':
-                    $opt[$i]['datatype'] = 'decimal';
+                    // change datatype to string to get `is` / `is not` operator
+                    $opt[$i]['datatype'] = 'string';
+                    $opt[$i]['searchtype'] = ['contains', 'notcontains', 'equals', 'notequals'];
                     break;
                 case 'date':
                 case 'datetime':