[Maps] do not show multi fields in tooltip and join field selection lists (#34379)

x-pack/plugins/maps/public/components/layer_panel/join_editor/resources/join.js

@@ -91,7 +91,13 @@ export class Join extends Component {
       return;
     }
 
-    this.setState({ rightFields: indexPattern.fields });
+    this.setState({
+      rightFields: indexPattern.fields.filter(field => {
+        // Do not show multi fields as right join options
+        // since they do not have values in _source and exist for indexing only
+        return field.subType !== 'multi';
+      })
+    });
   }
 
   async _loadLeftSourceName() {

x-pack/plugins/maps/public/shared/components/multi_field_select.js

@@ -53,7 +53,7 @@ export function MultiFieldSelect({
 
 MultiFieldSelect.propTypes = {
   placeholder: PropTypes.string,
-  fields: PropTypes.object, // IndexedArray object
+  fields: PropTypes.array, // array of Field objects
   onChange: PropTypes.func.isRequired,
   value: PropTypes.arrayOf(PropTypes.string), // array of fieldNames
   filterField: PropTypes.func,

x-pack/plugins/maps/public/shared/components/single_field_select.js

@@ -77,7 +77,10 @@ export function SingleFieldSelect({ fields,
 
 SingleFieldSelect.propTypes = {
   placeholder: PropTypes.string,
-  fields: PropTypes.object, // IndexedArray object
+  fields: PropTypes.oneOfType([
+    PropTypes.object, // IndexedArray object
+    PropTypes.array // array of Field objects
+  ]),
   onChange: PropTypes.func.isRequired,
   value: PropTypes.string, // fieldName
   filterField: PropTypes.func,

x-pack/plugins/maps/public/shared/layers/sources/es_search_source/es_search_source.js

@@ -201,7 +201,7 @@ export class ESSearchSource extends AbstractESSource {
   async getStringFields() {
     const indexPattern = await this._getIndexPattern();
     const stringFields = indexPattern.fields.filter(field => {
-      return field.type === 'string';
+      return field.type === 'string' && field.subType !== 'multi';
     });
     return stringFields.map(stringField => {
       return { name: stringField.name, label: stringField.name };

x-pack/plugins/maps/public/shared/layers/sources/es_search_source/update_source_editor.js

@@ -59,7 +59,13 @@ export class UpdateSourceEditor extends Component {
       return;
     }
 
-    this.setState({ fields: indexPattern.fields });
+    this.setState({
+      fields: indexPattern.fields.filter(field => {
+        // Do not show multi fields as tooltip field options
+        // since they do not have values in _source and exist for indexing only
+        return field.subType !== 'multi';
+      })
+    });
   }
 
   onTooltipPropertiesSelect = (propertyNames) => {