fixed min year and max year

src/libs/routes/rateSchool.js

@@ -151,6 +151,28 @@ rqf.addField({
         foreign: 'estado_id',
         foreignTable: 'pnad'
     }
+}).addValue({
+    name: 'min_year',
+    table: 'pnad',
+    tableField: 'ano_censo',
+    resultField: 'year',
+    where: {
+        relation: '>=',
+        type: 'integer',
+        table: 'pnad',
+        field: 'ano_censo'
+    }
+}).addValue({
+    name: 'max_year',
+    table: 'pnad',
+    tableField: 'ano_censo',
+    resultField: 'year',
+    where: {
+        relation: '<=',
+        type: 'integer',
+        table: 'pnad',
+        field: 'ano_censo'
+    }
 }).addValue({
     name: 'ethnic_group',
     table: 'pnad',