bugfix: target_table are in capital letters

src/main/java/eu/hbp/mip/controllers/GroupsApi.java

@@ -53,7 +53,8 @@ public class GroupsApi {
     }
 
     private String loadGroups() {
-        String sqlQuery = String.format("SELECT * FROM meta_variables where target_table='%s'", featuresMainTable);
+        String sqlQuery = String.format(
+                "SELECT * FROM meta_variables where target_table='%s'", featuresMainTable.toUpperCase());
         SqlRowSet data = metaJdbcTemplate.queryForRowSet(sqlQuery);
         data.next();
         String json = ((PGobject) data.getObject("hierarchy")).getValue();

src/main/java/eu/hbp/mip/controllers/VariablesApi.java

@@ -124,7 +124,8 @@ public class VariablesApi {
     )  {
         LOGGER.info("Get groups and variables hierarchy");
 
-        String sqlQuery = String.format("SELECT * FROM meta_variables where target_table='%s'", featuresMainTable);
+        String sqlQuery = String.format(
+                "SELECT * FROM meta_variables where target_table='%s'", featuresMainTable.toUpperCase());
         SqlRowSet data = metaJdbcTemplate.queryForRowSet(sqlQuery);
         data.next();
         String json = ((PGobject) data.getObject("hierarchy")).getValue();
@@ -136,7 +137,8 @@ public class VariablesApi {
 
 
     private List<String> loadVariables() {
-        String sqlQuery = String.format("SELECT * FROM meta_variables where target_table='%s'", featuresMainTable);
+        String sqlQuery = String.format(
+                "SELECT * FROM meta_variables where target_table='%s'", featuresMainTable.toUpperCase());
         SqlRowSet data = metaJdbcTemplate.queryForRowSet(sqlQuery);
         data.next();
         String json = ((PGobject) data.getObject("hierarchy")).getValue();

tests/meta-db/sql/create.sql

@@ -42,5 +42,5 @@ INSERT INTO meta_variables (source, hierarchy, target_table) VALUES (
     }]
   }
   ',
-  'features'
+  'FEATURES'
 );