added map to available default chart types

src/client/app/components/admin/PreferencesComponent.tsx

@@ -117,6 +117,19 @@ class PreferencesComponent extends React.Component<PreferencesPropsWithIntl, {}>
 							<FormattedMessage id='compare'/>
 						</label>
 					</div>
+					<div className='radio'>
+						<label>
+							<input
+								type='radio'
+								name='chartTypes'
+								style={{marginRight: '10px'}}
+								value={ChartTypes.map}
+								onChange={this.handleDefaultChartToRenderChange}
+								checked={this.props.defaultChartToRender === ChartTypes.map}
+							/>
+							<FormattedMessage id='map'/>
+						</label>
+					</div>
 				</div>
 				<div className='checkbox'>
 					<p style={labelStyle}>

src/server/sql/preferences/create_graph_types_enum.sql

@@ -5,7 +5,9 @@
 -- This should avoid an error when the type already exists. This is an issue since
 -- the OED install stops the creation of database items after this.
 DO $$ BEGIN
-    CREATE TYPE graph_type AS ENUM('line', 'bar', 'compare');
+    CREATE TYPE graph_type AS ENUM('line', 'bar', 'compare', 'map');
+    ALTER TABLE preferences ALTER COLUMN default_chart_to_render SET DATA TYPE graph_type
+    USING default_chart_to_render::text::graph_type;
 EXCEPTION
     WHEN duplicate_object THEN null;
 END $$;