UUID refactoring

dao/src/main/java/org/thingsboard/server/dao/sql/component/HsqlComponentDescriptorInsertRepository.java

@@ -20,12 +20,14 @@ import org.thingsboard.server.dao.model.sql.ComponentDescriptorEntity;
 import org.thingsboard.server.dao.util.HsqlDao;
 import org.thingsboard.server.dao.util.SqlDao;
 
+import javax.persistence.Query;
+
 @SqlDao
 @HsqlDao
 @Repository
 public class HsqlComponentDescriptorInsertRepository extends AbstractComponentDescriptorInsertRepository {
 
-    private static final String P_KEY_CONFLICT_STATEMENT = "(component_descriptor.id=I.id)";
+    private static final String P_KEY_CONFLICT_STATEMENT = "(component_descriptor.id=UUID(I.id))";
     private static final String UNQ_KEY_CONFLICT_STATEMENT = "(component_descriptor.clazz=I.clazz)";
 
     private static final String INSERT_OR_UPDATE_ON_P_KEY_CONFLICT = getInsertString(P_KEY_CONFLICT_STATEMENT);
@@ -36,6 +38,20 @@ public class HsqlComponentDescriptorInsertRepository extends AbstractComponentDe
         return saveAndGet(entity, INSERT_OR_UPDATE_ON_P_KEY_CONFLICT, INSERT_OR_UPDATE_ON_UNQ_KEY_CONFLICT);
     }
 
+    @Override
+    protected Query getQuery(ComponentDescriptorEntity entity, String query) {
+        return entityManager.createNativeQuery(query, ComponentDescriptorEntity.class)
+                .setParameter("id", entity.getUuid().toString())
+                .setParameter("created_time", entity.getCreatedTime())
+                .setParameter("actions", entity.getActions())
+                .setParameter("clazz", entity.getClazz())
+                .setParameter("configuration_descriptor", entity.getConfigurationDescriptor().toString())
+                .setParameter("name", entity.getName())
+                .setParameter("scope", entity.getScope().name())
+                .setParameter("search_text", entity.getSearchText())
+                .setParameter("type", entity.getType().name());
+    }
+
     @Override
     protected ComponentDescriptorEntity doProcessSaveOrUpdate(ComponentDescriptorEntity entity, String query) {
         getQuery(entity, query).executeUpdate();
@@ -43,7 +59,9 @@ public class HsqlComponentDescriptorInsertRepository extends AbstractComponentDe
     }
 
     private static String getInsertString(String conflictStatement) {
-        return "MERGE INTO component_descriptor USING (VALUES :id, :created_time, :actions, :clazz, :configuration_descriptor, :name, :scope, :search_text, :type) I (id, craeted_time, actions, clazz, configuration_descriptor, name, scope, search_text, type) ON " + conflictStatement + " WHEN MATCHED THEN UPDATE SET component_descriptor.id = I.id, component_descriptor.actions = I.actions, component_descriptor.clazz = I.clazz, component_descriptor.configuration_descriptor = I.configuration_descriptor, component_descriptor.name = I.name, component_descriptor.scope = I.scope, component_descriptor.search_text = I.search_text, component_descriptor.type = I.type" +
-                " WHEN NOT MATCHED THEN INSERT (id, created_time, actions, clazz, configuration_descriptor, name, scope, search_text, type) VALUES (I.id, I.created_time, I.actions, I.clazz, I.configuration_descriptor, I.name, I.scope, I.search_text, I.type)";
+        return "MERGE INTO component_descriptor USING (VALUES :id, :created_time, :actions, :clazz, :configuration_descriptor, :name, :scope, :search_text, :type) I (id, created_time, actions, clazz, configuration_descriptor, name, scope, search_text, type) ON "
+                + conflictStatement
+                + " WHEN MATCHED THEN UPDATE SET component_descriptor.id = UUID(I.id), component_descriptor.actions = I.actions, component_descriptor.clazz = I.clazz, component_descriptor.configuration_descriptor = I.configuration_descriptor, component_descriptor.name = I.name, component_descriptor.scope = I.scope, component_descriptor.search_text = I.search_text, component_descriptor.type = I.type" +
+                " WHEN NOT MATCHED THEN INSERT (id, created_time, actions, clazz, configuration_descriptor, name, scope, search_text, type) VALUES (UUID(I.id), I.created_time, I.actions, I.clazz, I.configuration_descriptor, I.name, I.scope, I.search_text, I.type)";
     }
 }

dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultEntityQueryRepository.java

@@ -17,6 +17,8 @@ package org.thingsboard.server.dao.sql.query;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
 import org.springframework.stereotype.Repository;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.CustomerId;
@@ -44,8 +46,6 @@ import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 import org.thingsboard.server.common.data.relation.EntityTypeFilter;
 import org.thingsboard.server.dao.util.SqlDao;
 
-import javax.persistence.EntityManager;
-import javax.persistence.PersistenceContext;
 import java.math.BigInteger;
 import java.util.Collections;
 import java.util.HashMap;
@@ -75,7 +75,7 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
     public static final String HIERARCHICAL_QUERY_TEMPLATE = " FROM (WITH RECURSIVE related_entities(from_id, from_type, to_id, to_type, relation_type, lvl) AS (" +
             " SELECT from_id, from_type, to_id, to_type, relation_type, 1 as lvl" +
             " FROM relation" +
-            " WHERE $in_id = '%s' and $in_type = '%s' and relation_type_group = 'COMMON'" +
+            " WHERE $in_id = :relation_root_id and $in_type = :relation_root_type and relation_type_group = 'COMMON'" +
             " UNION ALL" +
             " SELECT r.from_id, r.from_type, r.to_id, r.to_type, r.relation_type, lvl + 1" +
             " FROM relation r" +
@@ -88,21 +88,23 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
     public static final String HIERARCHICAL_TO_QUERY_TEMPLATE = HIERARCHICAL_QUERY_TEMPLATE.replace("$in", "to").replace("$out", "from");
     public static final String HIERARCHICAL_FROM_QUERY_TEMPLATE = HIERARCHICAL_QUERY_TEMPLATE.replace("$in", "from").replace("$out", "to");
 
-    @PersistenceContext
-    private EntityManager entityManager;
+    @Autowired
+    protected NamedParameterJdbcTemplate jdbcTemplate;
 
     @Override
     public long countEntitiesByQuery(TenantId tenantId, CustomerId customerId, EntityCountQuery query) {
         EntityType entityType = resolveEntityType(query.getEntityFilter());
-        String countQuery = String.format("select count(e.id) from %s e where %s",
-                getEntityTableQuery(query.getEntityFilter(), entityType), this.buildEntityWhere(tenantId, customerId, query.getEntityFilter(),
-                        Collections.emptyList(), entityType));
-        return ((BigInteger) entityManager.createNativeQuery(countQuery)
-                .getSingleResult()).longValue();
+        EntityQueryContext ctx = new EntityQueryContext();
+        ctx.append("select count(e.id) from ");
+        ctx.append(addEntityTableQuery(ctx, query.getEntityFilter(), entityType));
+        ctx.append(" e where ");
+        ctx.append(buildEntityWhere(ctx, tenantId, customerId, query.getEntityFilter(), Collections.emptyList(), entityType));
+        return jdbcTemplate.queryForObject(ctx.getQuery(), ctx, Long.class);
     }
 
     @Override
     public PageData<EntityData> findEntityDataByQuery(TenantId tenantId, CustomerId customerId, EntityDataQuery query) {
+        EntityQueryContext ctx = new EntityQueryContext();
         EntityType entityType = resolveEntityType(query.getEntityFilter());
         EntityDataPageLink pageLink = query.getPageLink();
 
@@ -126,9 +128,9 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
                 .collect(Collectors.toList());
 
 
-        String entityWhereClause = this.buildEntityWhere(tenantId, customerId, query.getEntityFilter(), entityFieldsFiltersMapping, entityType);
-        String latestJoins = EntityKeyMapping.buildLatestJoins(query.getEntityFilter(), entityType, allLatestMappings);
-        String whereClause = this.buildWhere(selectionMapping, latestFiltersMapping, pageLink.getTextSearch());
+        String entityWhereClause = this.buildEntityWhere(ctx, tenantId, customerId, query.getEntityFilter(), entityFieldsFiltersMapping, entityType);
+        String latestJoins = EntityKeyMapping.buildLatestJoins(ctx, query.getEntityFilter(), entityType, allLatestMappings);
+        String whereClause = this.buildWhere(ctx, selectionMapping, latestFiltersMapping, pageLink.getTextSearch());
         String entityFieldsSelection = EntityKeyMapping.buildSelections(entityFieldsSelectionMapping);
         String entityTypeStr;
         if (query.getEntityFilter().getType().equals(EntityFilterType.RELATIONS_QUERY)) {
@@ -137,9 +139,9 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
             entityTypeStr = "'" + entityType.name() + "'";
         }
         if (!StringUtils.isEmpty(entityFieldsSelection)) {
-            entityFieldsSelection = String.format("e.id, %s, %s", entityTypeStr, entityFieldsSelection);
+            entityFieldsSelection = String.format("e.id id, %s entity_type, %s", entityTypeStr, entityFieldsSelection);
         } else {
-            entityFieldsSelection = String.format("e.id, %s", entityTypeStr);
+            entityFieldsSelection = String.format("e.id id, %s entity_type", entityTypeStr);
         }
         String latestSelection = EntityKeyMapping.buildSelections(latestSelectionMapping);
         String topSelection = "entities.*";
@@ -150,13 +152,13 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
         String fromClause = String.format("from (select %s from (select %s from %s e where %s) entities %s %s) result",
                 topSelection,
                 entityFieldsSelection,
-                getEntityTableQuery(query.getEntityFilter(), entityType),
+                addEntityTableQuery(ctx, query.getEntityFilter(), entityType),
                 entityWhereClause,
                 latestJoins,
                 whereClause);
 
-        int totalElements = ((BigInteger) entityManager.createNativeQuery(String.format("select count(*) %s", fromClause))
-                .getSingleResult()).intValue();
+
+        int totalElements = jdbcTemplate.queryForObject(String.format("select count(*) %s", fromClause), ctx, Integer.class);
 
         String dataQuery = String.format("select * %s", fromClause);
 
@@ -177,17 +179,18 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
         if (pageLink.getPageSize() > 0) {
             dataQuery = String.format("%s limit %s offset %s", dataQuery, pageLink.getPageSize(), startIndex);
         }
-        List rows = entityManager.createNativeQuery(dataQuery).getResultList();
+        List<Map<String, Object>> rows = jdbcTemplate.queryForList(dataQuery, ctx);
         return EntityDataAdapter.createEntityData(pageLink, selectionMapping, rows, totalElements);
     }
 
-    private String buildEntityWhere(TenantId tenantId,
+    private String buildEntityWhere(EntityQueryContext ctx,
+                                    TenantId tenantId,
                                     CustomerId customerId,
                                     EntityFilter entityFilter,
                                     List<EntityKeyMapping> entityFieldsFilters,
                                     EntityType entityType) {
-        String permissionQuery = this.buildPermissionQuery(entityFilter, tenantId, customerId, entityType);
-        String entityFilterQuery = this.buildEntityFilterQuery(entityFilter);
+        String permissionQuery = this.buildPermissionQuery(ctx, entityFilter, tenantId, customerId, entityType);
+        String entityFilterQuery = this.buildEntityFilterQuery(ctx, entityFilter);
         String result = permissionQuery;
         if (!entityFilterQuery.isEmpty()) {
             result += " and " + entityFilterQuery;
@@ -198,35 +201,42 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
         return result;
     }
 
-    private String buildPermissionQuery(EntityFilter entityFilter, TenantId tenantId, CustomerId customerId, EntityType entityType) {
+    private String buildPermissionQuery(EntityQueryContext ctx, EntityFilter entityFilter, TenantId tenantId, CustomerId customerId, EntityType entityType) {
         switch (entityFilter.getType()) {
             case RELATIONS_QUERY:
             case DEVICE_SEARCH_QUERY:
             case ASSET_SEARCH_QUERY:
-                return String.format("e.tenant_id='%s' and e.customer_id='%s'", tenantId.getId(), customerId.getId());
+                ctx.addUuidParameter("permissions_tenant_id", tenantId.getId());
+                ctx.addUuidParameter("permissions_customer_id", customerId.getId());
+                return "e.tenant_id=:permissions_tenant_id and e.customer_id=:permissions_customer_id";
             default:
                 if (entityType == EntityType.TENANT) {
-                    return String.format("e.id='%s'", tenantId.getId());
+                    ctx.addUuidParameter("permissions_tenant_id", tenantId.getId());
+                    return "e.id=:permissions_tenant_id";
                 } else if (entityType == EntityType.CUSTOMER) {
-                    return String.format("e.tenant_id='%s' and e.id='%s'", tenantId.getId(), customerId.getId());
+                    ctx.addUuidParameter("permissions_tenant_id", tenantId.getId());
+                    ctx.addUuidParameter("permissions_customer_id", customerId.getId());
+                    return "e.tenant_id=:permissions_tenant_id and e.id=:permissions_customer_id";
                 } else {
-                    return String.format("e.tenant_id='%s' and e.customer_id='%s'", tenantId.getId(), customerId.getId());
+                    ctx.addUuidParameter("permissions_tenant_id", tenantId.getId());
+                    ctx.addUuidParameter("permissions_customer_id", customerId.getId());
+                    return "e.tenant_id=:permissions_tenant_id and e.customer_id=:permissions_customer_id";
                 }
         }
     }
 
-    private String buildEntityFilterQuery(EntityFilter entityFilter) {
+    private String buildEntityFilterQuery(EntityQueryContext ctx, EntityFilter entityFilter) {
         switch (entityFilter.getType()) {
             case SINGLE_ENTITY:
-                return this.singleEntityQuery((SingleEntityFilter) entityFilter);
+                return this.singleEntityQuery(ctx, (SingleEntityFilter) entityFilter);
             case ENTITY_LIST:
-                return this.entityListQuery((EntityListFilter) entityFilter);
+                return this.entityListQuery(ctx, (EntityListFilter) entityFilter);
             case ENTITY_NAME:
-                return this.entityNameQuery((EntityNameFilter) entityFilter);
+                return this.entityNameQuery(ctx, (EntityNameFilter) entityFilter);
             case ASSET_TYPE:
             case DEVICE_TYPE:
             case ENTITY_VIEW_TYPE:
-                return this.typeQuery(entityFilter);
+                return this.typeQuery(ctx, entityFilter);
             case RELATIONS_QUERY:
             case DEVICE_SEARCH_QUERY:
             case ASSET_SEARCH_QUERY:
@@ -236,53 +246,60 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
         }
     }
 
-    private String getEntityTableQuery(EntityFilter entityFilter, EntityType entityType) {
+    private String addEntityTableQuery(EntityQueryContext ctx, EntityFilter entityFilter, EntityType entityType) {
         switch (entityFilter.getType()) {
             case RELATIONS_QUERY:
-                return relationQuery((RelationsQueryFilter) entityFilter);
+                return relationQuery(ctx, (RelationsQueryFilter) entityFilter);
             case DEVICE_SEARCH_QUERY:
                 DeviceSearchQueryFilter deviceQuery = (DeviceSearchQueryFilter) entityFilter;
-                return entitySearchQuery(deviceQuery, EntityType.DEVICE, deviceQuery.getDeviceTypes());
+                return entitySearchQuery(ctx, deviceQuery, EntityType.DEVICE, deviceQuery.getDeviceTypes());
             case ASSET_SEARCH_QUERY:
                 AssetSearchQueryFilter assetQuery = (AssetSearchQueryFilter) entityFilter;
-                return entitySearchQuery(assetQuery, EntityType.ASSET, assetQuery.getAssetTypes());
+                return entitySearchQuery(ctx, assetQuery, EntityType.ASSET, assetQuery.getAssetTypes());
             default:
                 return entityTableMap.get(entityType);
         }
     }
 
-    private String entitySearchQuery(EntitySearchQueryFilter entityFilter, EntityType entityType, List<String> types) {
+    private String entitySearchQuery(EntityQueryContext ctx, EntitySearchQueryFilter entityFilter, EntityType entityType, List<String> types) {
         EntityId rootId = entityFilter.getRootEntity();
         //TODO: fetch last level only.
         //TODO: fetch distinct records.
         String lvlFilter = getLvlFilter(entityFilter.getMaxLevel());
         String selectFields = "SELECT tenant_id, customer_id, id, type, name, label FROM " + entityType.name() + " WHERE id in ( SELECT entity_id";
         String from = getQueryTemplate(entityFilter.getDirection());
+        String whereFilter = " WHERE re.relation_type = :where_relation_type AND re.to_type = :where_entity_type";
 
-        String whereFilter = " WHERE " + " re.relation_type = '" + entityFilter.getRelationType() + "'" +
-                " AND re.to_type = '" + entityType.name() + "'";
-        from = String.format(from, rootId.getId(), rootId.getEntityType().name(), lvlFilter, whereFilter);
+        from = String.format(from, lvlFilter, whereFilter);
         String query = "( " + selectFields + from + ")";
         if (types != null && !types.isEmpty()) {
-            query += " and type in (" + types.stream().map(type -> "'" + type + "'").collect(Collectors.joining(", ")) + ")";
+            query += " and type in (:relation_sub_types)";
+            ctx.addStringListParameter("relation_sub_types", types);
         }
         query += " )";
+        ctx.addUuidParameter("relation_root_id", rootId.getId());
+        ctx.addStringParameter("relation_root_type", rootId.getEntityType().name());
+        ctx.addStringParameter("where_relation_type", entityFilter.getRelationType());
+        ctx.addStringParameter("where_entity_type", entityType.name());
         return query;
     }
 
-    private String relationQuery(RelationsQueryFilter entityFilter) {
+    private String relationQuery(EntityQueryContext ctx, RelationsQueryFilter entityFilter) {
         EntityId rootId = entityFilter.getRootEntity();
         String lvlFilter = getLvlFilter(entityFilter.getMaxLevel());
         String selectFields = getSelectTenantId() + ", " + getSelectCustomerId() + ", " +
                 " entity.entity_id as id," + getSelectType() + ", " + getSelectName() + ", " +
                 getSelectLabel() + ", entity.entity_type as entity_type";
         String from = getQueryTemplate(entityFilter.getDirection());
+        ctx.addUuidParameter("relation_root_id", rootId.getId());
+        ctx.addStringParameter("relation_root_type", rootId.getEntityType().name());
 
         StringBuilder whereFilter;
         if (entityFilter.getFilters() != null && !entityFilter.getFilters().isEmpty()) {
             whereFilter = new StringBuilder(" WHERE ");
             boolean first = true;
             boolean single = entityFilter.getFilters().size() == 1;
+            int entityTypeFilterIdx = 0;
             for (EntityTypeFilter etf : entityFilter.getFilters()) {
                 if (first) {
                     first = false;
@@ -290,21 +307,23 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
                     whereFilter.append(" AND ");
                 }
                 String relationType = etf.getRelationType();
-                String entityTypes = etf.getEntityTypes().stream().map(type -> "'" + type + "'").collect(Collectors.joining(", "));
                 if (!single) {
                     whereFilter.append(" (");
                 }
-                whereFilter.append(" re.relation_type = '").append(relationType).append("' and re.")
+                whereFilter.append(" re.relation_type = :where_relation_type").append(entityTypeFilterIdx).append(" and re.")
                         .append(entityFilter.getDirection().equals(EntitySearchDirection.FROM) ? "to" : "from")
-                        .append("_type in (").append(entityTypes).append(")");
+                        .append("_type in (:where_entity_types").append(entityTypeFilterIdx).append(")");
                 if (!single) {
                     whereFilter.append(" )");
                 }
+                ctx.addStringParameter("where_relation_type" + entityTypeFilterIdx, relationType);
+                ctx.addStringListParameter("where_entity_types" + entityTypeFilterIdx, etf.getEntityTypes().stream().map(EntityType::name).collect(Collectors.toList()));
+                entityTypeFilterIdx++;
             }
         } else {
             whereFilter = new StringBuilder();
         }
-        from = String.format(from, rootId.getId(), rootId.getEntityType().name(), lvlFilter, whereFilter);
+        from = String.format(from, lvlFilter, whereFilter);
         return "( " + selectFields + from + ")";
     }
 
@@ -410,10 +429,9 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
                 " END as label";
     }
 
-    private String buildWhere
-            (List<EntityKeyMapping> selectionMapping, List<EntityKeyMapping> latestFiltersMapping, String searchText) {
-        String latestFilters = EntityKeyMapping.buildQuery(latestFiltersMapping);
-        String textSearchQuery = this.buildTextSearchQuery(selectionMapping, searchText);
+    private String buildWhere(EntityQueryContext ctx, List<EntityKeyMapping> selectionMapping, List<EntityKeyMapping> latestFiltersMapping, String searchText) {
+        String latestFilters = EntityKeyMapping.buildQuery(ctx, latestFiltersMapping);
+        String textSearchQuery = this.buildTextSearchQuery(ctx, selectionMapping, searchText);
         String query;
         if (!StringUtils.isEmpty(latestFilters) && !StringUtils.isEmpty(textSearchQuery)) {
             query = String.join(" AND ", latestFilters, textSearchQuery);
@@ -429,32 +447,38 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
         }
     }
 
-    private String buildTextSearchQuery(List<EntityKeyMapping> selectionMapping, String searchText) {
+    private String buildTextSearchQuery(EntityQueryContext ctx, List<EntityKeyMapping> selectionMapping, String searchText) {
         if (!StringUtils.isEmpty(searchText) && !selectionMapping.isEmpty()) {
             String lowerSearchText = searchText.toLowerCase() + "%";
-            List<String> searchPredicates = selectionMapping.stream().map(mapping -> String.format("LOWER(%s) LIKE '%s'",
-                    mapping.getValueAlias(), lowerSearchText)).collect(Collectors.toList());
+            List<String> searchPredicates = selectionMapping.stream().map(mapping -> {
+                        String paramName = mapping.getValueAlias() + "_lowerSearchText";
+                        ctx.addStringParameter(paramName, lowerSearchText);
+                        return String.format("LOWER(%s) LIKE :%s", mapping.getValueAlias(), paramName);
+                    }
+            ).collect(Collectors.toList());
             return String.format("(%s)", String.join(" or ", searchPredicates));
         } else {
             return null;
         }
+
     }
 
-    private String singleEntityQuery(SingleEntityFilter filter) {
-        return String.format("e.id='%s'", filter.getSingleEntity().getId());
+    private String singleEntityQuery(EntityQueryContext ctx, SingleEntityFilter filter) {
+        ctx.addUuidParameter("entity_filter_single_entity_id", filter.getSingleEntity().getId());
+        return "e.id=:entity_filter_single_entity_id";
     }
 
-    private String entityListQuery(EntityListFilter filter) {
-        return String.format("e.id in (%s)",
-                filter.getEntityList().stream().map(UUID::fromString)
-                        .map(s -> String.format("'%s'", s)).collect(Collectors.joining(",")));
+    private String entityListQuery(EntityQueryContext ctx, EntityListFilter filter) {
+        ctx.addUuidListParameter("entity_filter_entity_ids", filter.getEntityList().stream().map(UUID::fromString).collect(Collectors.toList()));
+        return "e.id in (:entity_filter_entity_ids)";
     }
 
-    private String entityNameQuery(EntityNameFilter filter) {
-        return String.format("lower(e.search_text) like lower(concat(%s, '%%'))", filter.getEntityNameFilter());
+    private String entityNameQuery(EntityQueryContext ctx, EntityNameFilter filter) {
+        ctx.addStringParameter("entity_filter_name_filter", filter.getEntityNameFilter());
+        return "lower(e.search_text) like lower(concat(:entity_filter_name_filter, '%%'))";
     }
 
-    private String typeQuery(EntityFilter filter) {
+    private String typeQuery(EntityQueryContext ctx, EntityFilter filter) {
         String type;
         String name;
         switch (filter.getType()) {
@@ -473,7 +497,9 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
             default:
                 throw new RuntimeException("Not supported!");
         }
-        return String.format("e.type = '%s' and lower(e.search_text) like lower(concat('%s', '%%'))", type, name);
+        ctx.addStringParameter("entity_filter_type_query_type", type);
+        ctx.addStringParameter("entity_filter_type_query_name", name);
+        return "e.type = :entity_filter_type_query_type and lower(e.search_text) like lower(concat(:entity_filter_type_query_name, '%%'))";
     }
 
     private EntityType resolveEntityType(EntityFilter entityFilter) {

dao/src/main/java/org/thingsboard/server/dao/sql/query/EntityDataAdapter.java

@@ -37,7 +37,7 @@ public class EntityDataAdapter {
 
     public static PageData<EntityData> createEntityData(EntityDataPageLink pageLink,
                                                         List<EntityKeyMapping> selectionMapping,
-                                                        List<Object[]> rows,
+                                                        List<Map<String, Object>> rows,
                                                         int totalElements) {
         int totalPages = pageLink.getPageSize() > 0 ? (int) Math.ceil((float) totalElements / pageLink.getPageSize()) : 1;
         int startIndex = pageLink.getPageSize() * pageLink.getPage();
@@ -46,14 +46,13 @@ public class EntityDataAdapter {
         return new PageData<>(entitiesData, totalPages, totalElements, hasNext);
     }
 
-    private static List<EntityData> convertListToEntityData(List<Object[]> result, List<EntityKeyMapping> selectionMapping) {
+    private static List<EntityData> convertListToEntityData(List<Map<String, Object>> result, List<EntityKeyMapping> selectionMapping) {
         return result.stream().map(row -> toEntityData(row, selectionMapping)).collect(Collectors.toList());
     }
 
-    private static EntityData toEntityData(Object[] row, List<EntityKeyMapping> selectionMapping) {
-        ByteBuffer bb = ByteBuffer.wrap((byte[])row[0]);
-        UUID id = new UUID(bb.getLong(), bb.getLong());
-        EntityType entityType = EntityType.valueOf((String)row[1]);
+    private static EntityData toEntityData(Map<String, Object> row, List<EntityKeyMapping> selectionMapping) {
+        UUID id = (UUID)row.get("id");
+        EntityType entityType = EntityType.valueOf((String) row.get("entity_type"));
         EntityId entityId = EntityIdFactory.getByTypeAndUuid(entityType, id);
         Map<EntityKeyType, Map<String, TsValue>> latest = new HashMap<>();
         Map<String, TsValue[]> timeseries = new HashMap<>();
@@ -61,7 +60,7 @@ public class EntityDataAdapter {
         for (EntityKeyMapping mapping : selectionMapping) {
             if (!mapping.isIgnore()) {
                 EntityKey entityKey = mapping.getEntityKey();
-                Object value = row[mapping.getIndex()];
+                Object value = row.get(mapping.getValueAlias());
                 String strValue;
                 long ts;
                 if (entityKey.getType().equals(EntityKeyType.ENTITY_FIELD)) {
@@ -69,7 +68,7 @@ public class EntityDataAdapter {
                     ts = System.currentTimeMillis();
                 } else {
                     strValue = convertValue(value);
-                    Object tsObject = row[mapping.getIndex() + 1];
+                    Object tsObject = row.get(mapping.getTsAlias());
                     ts = tsObject != null ? Long.parseLong(tsObject.toString()) : 0;
                 }
                 TsValue tsValue = new TsValue(ts, strValue);

dao/src/main/java/org/thingsboard/server/dao/sql/query/EntityKeyMapping.java

@@ -72,6 +72,7 @@ public class EntityKeyMapping {
     private boolean ignore = false;
     private List<KeyFilter> keyFilters;
     private EntityKey entityKey;
+    private int paramIdx = 0;
 
     public boolean hasFilter() {
         return keyFilters != null && !keyFilters.isEmpty();
@@ -100,17 +101,17 @@ public class EntityKeyMapping {
         }
     }
 
-    public Stream<String> toQueries() {
+    public Stream<String> toQueries(EntityQueryContext ctx) {
         if (hasFilter()) {
             String keyAlias = entityKey.getType().equals(EntityKeyType.ENTITY_FIELD) ? "e" : alias;
             return keyFilters.stream().map(keyFilter ->
-                    this.buildKeyQuery(keyAlias, keyFilter));
+                    this.buildKeyQuery(ctx, keyAlias, keyFilter));
         } else {
             return null;
         }
     }
 
-    public String toLatestJoin(EntityFilter entityFilter, EntityType entityType) {
+    public String toLatestJoin(EntityQueryContext ctx, EntityFilter entityFilter, EntityType entityType) {
         String entityTypeStr;
         if (entityFilter.getType().equals(EntityFilterType.RELATIONS_QUERY)) {
             entityTypeStr = "entities.entity_type";
@@ -118,12 +119,13 @@ public class EntityKeyMapping {
             entityTypeStr = "'" + entityType.name() + "'";
         }
         String join = hasFilter() ? "left join" : "left outer join";
+        ctx.addStringParameter(alias + "_key_id", entityKey.getKey());
         if (entityKey.getType().equals(EntityKeyType.TIME_SERIES)) {
-            return String.format("%s ts_kv_latest %s ON %s.entity_id=to_uuid(entities.id) AND %s.key = (select key_id from ts_kv_dictionary where key = '%s')",
-                    join, alias, alias, alias, entityKey.getKey());
+            return String.format("%s ts_kv_latest %s ON %s.entity_id=to_uuid(entities.id) AND %s.key = (select key_id from ts_kv_dictionary where key = :%s_key_id)",
+                    join, alias, alias, alias, alias);
         } else {
-            String query = String.format("%s attribute_kv %s ON %s.entity_id=entities.id AND %s.entity_type=%s AND %s.attribute_key='%s'",
-                    join, alias, alias, alias, entityTypeStr, alias, entityKey.getKey());
+            String query = String.format("%s attribute_kv %s ON %s.entity_id=entities.id AND %s.entity_type=%s AND %s.attribute_key=:%s_key_id",
+                    join, alias, alias, alias, entityTypeStr, alias, alias);
             if (!entityKey.getType().equals(EntityKeyType.ATTRIBUTE)) {
                 String scope;
                 if (entityKey.getType().equals(EntityKeyType.CLIENT_ATTRIBUTE)) {
@@ -144,13 +146,13 @@ public class EntityKeyMapping {
                 Collectors.joining(", "));
     }
 
-    public static String buildLatestJoins(EntityFilter entityFilter, EntityType entityType, List<EntityKeyMapping> latestMappings) {
-        return latestMappings.stream().map(mapping -> mapping.toLatestJoin(entityFilter, entityType)).collect(
+    public static String buildLatestJoins(EntityQueryContext ctx, EntityFilter entityFilter, EntityType entityType, List<EntityKeyMapping> latestMappings) {
+        return latestMappings.stream().map(mapping -> mapping.toLatestJoin(ctx, entityFilter, entityType)).collect(
                 Collectors.joining(" "));
     }
 
-    public static String buildQuery(List<EntityKeyMapping> mappings) {
-        return mappings.stream().flatMap(EntityKeyMapping::toQueries).collect(
+    public static String buildQuery(EntityQueryContext ctx, List<EntityKeyMapping> mappings) {
+        return mappings.stream().flatMap(mapping -> mapping.toQueries(ctx)).collect(
                 Collectors.joining(" AND "));
     }
 
@@ -262,33 +264,33 @@ public class EntityKeyMapping {
         return String.join(", ", attrValSelection, attrTsSelection);
     }
 
-    private String buildKeyQuery(String alias, KeyFilter keyFilter) {
-        return this.buildPredicateQuery(alias, keyFilter.getKey(), keyFilter.getPredicate());
+    private String buildKeyQuery(EntityQueryContext ctx, String alias, KeyFilter keyFilter) {
+        return this.buildPredicateQuery(ctx, alias, keyFilter.getKey(), keyFilter.getPredicate());
     }
 
-    private String buildPredicateQuery(String alias, EntityKey key, KeyFilterPredicate predicate) {
+    private String buildPredicateQuery(EntityQueryContext ctx, String alias, EntityKey key, KeyFilterPredicate predicate) {
         if (predicate.getType().equals(FilterPredicateType.COMPLEX)) {
-            return this.buildComplexPredicateQuery(alias, key, (ComplexFilterPredicate) predicate);
+            return this.buildComplexPredicateQuery(ctx, alias, key, (ComplexFilterPredicate) predicate);
         } else {
-            return this.buildSimplePredicateQuery(alias, key, predicate);
+            return this.buildSimplePredicateQuery(ctx, alias, key, predicate);
         }
     }
 
-    private String buildComplexPredicateQuery(String alias, EntityKey key, ComplexFilterPredicate predicate) {
+    private String buildComplexPredicateQuery(EntityQueryContext ctx, String alias, EntityKey key, ComplexFilterPredicate predicate) {
         return predicate.getPredicates().stream()
-                .map(keyFilterPredicate -> this.buildPredicateQuery(alias, key, keyFilterPredicate)).collect(Collectors.joining(
+                .map(keyFilterPredicate -> this.buildPredicateQuery(ctx, alias, key, keyFilterPredicate)).collect(Collectors.joining(
                         " " + predicate.getOperation().name() + " "
                 ));
     }
 
-    private String buildSimplePredicateQuery(String alias, EntityKey key, KeyFilterPredicate predicate) {
+    private String buildSimplePredicateQuery(EntityQueryContext ctx, String alias, EntityKey key, KeyFilterPredicate predicate) {
         if (predicate.getType().equals(FilterPredicateType.NUMERIC)) {
             if (key.getType().equals(EntityKeyType.ENTITY_FIELD)) {
                 String column = entityFieldColumnMap.get(key.getKey());
-                return this.buildNumericPredicateQuery(alias + "." + column, (NumericFilterPredicate) predicate);
+                return this.buildNumericPredicateQuery(ctx, alias + "." + column, (NumericFilterPredicate) predicate);
             } else {
-                String longQuery = this.buildNumericPredicateQuery(alias + ".long_v", (NumericFilterPredicate) predicate);
-                String doubleQuery = this.buildNumericPredicateQuery(alias + ".dbl_v", (NumericFilterPredicate) predicate);
+                String longQuery = this.buildNumericPredicateQuery(ctx, alias + ".long_v", (NumericFilterPredicate) predicate);
+                String doubleQuery = this.buildNumericPredicateQuery(ctx, alias + ".dbl_v", (NumericFilterPredicate) predicate);
                 return String.format("(%s or %s)", longQuery, doubleQuery);
             }
         } else {
@@ -300,15 +302,16 @@ public class EntityKeyMapping {
             }
             String field = alias + "." + column;
             if (predicate.getType().equals(FilterPredicateType.STRING)) {
-                return this.buildStringPredicateQuery(field, (StringFilterPredicate) predicate);
+                return this.buildStringPredicateQuery(ctx, field, (StringFilterPredicate) predicate);
             } else {
-                return this.buildBooleanPredicateQuery(field, (BooleanFilterPredicate) predicate);
+                return this.buildBooleanPredicateQuery(ctx, field, (BooleanFilterPredicate) predicate);
             }
         }
     }
 
-    private String buildStringPredicateQuery(String field, StringFilterPredicate stringFilterPredicate) {
+    private String buildStringPredicateQuery(EntityQueryContext ctx, String field, StringFilterPredicate stringFilterPredicate) {
         String operationField = field;
+        String paramName = getNextParameterName(field);
         String value = stringFilterPredicate.getValue();
         String stringOperationQuery = "";
         if (stringFilterPredicate.isIgnoreCase()) {
@@ -317,65 +320,77 @@ public class EntityKeyMapping {
         }
         switch (stringFilterPredicate.getOperation()) {
             case EQUAL:
-                stringOperationQuery = String.format("%s = '%s'", operationField, value);
+                stringOperationQuery = String.format("%s = :%s", operationField, paramName);
                 break;
             case NOT_EQUAL:
-                stringOperationQuery = String.format("%s != '%s'", operationField, value);
+                stringOperationQuery = String.format("%s != :%s", operationField, paramName);
                 break;
             case STARTS_WITH:
-                stringOperationQuery = String.format("%s like '%s%%'", operationField, value);
+                value += "%";
+                stringOperationQuery = String.format("%s like :%s", operationField, paramName);
                 break;
             case ENDS_WITH:
-                stringOperationQuery = String.format("%s like '%%%s'", operationField, value);
+                value = "%" + value;
+                stringOperationQuery = String.format("%s like :%s", operationField, paramName);
                 break;
             case CONTAINS:
-                stringOperationQuery = String.format("%s like '%%%s%%'", operationField, value);
+                value = "%" + value + "%";
+                stringOperationQuery = String.format("%s like :%s", operationField, paramName);
                 break;
             case NOT_CONTAINS:
-                stringOperationQuery = String.format("%s not like '%%%s%%'", operationField, value);
+                value = "%" + value + "%";
+                stringOperationQuery = String.format("%s not like :%s", operationField, paramName);
                 break;
         }
+        ctx.addStringParameter(paramName, value);
         return String.format("(%s is not null and %s)", field, stringOperationQuery);
     }
 
-    private String buildNumericPredicateQuery(String field, NumericFilterPredicate numericFilterPredicate) {
-        double value = numericFilterPredicate.getValue();
+    private String buildNumericPredicateQuery(EntityQueryContext ctx, String field, NumericFilterPredicate numericFilterPredicate) {
+        String paramName = getNextParameterName(field);
+        ctx.addDoubleParameter(paramName, numericFilterPredicate.getValue());
         String numericOperationQuery = "";
         switch (numericFilterPredicate.getOperation()) {
             case EQUAL:
-                numericOperationQuery = String.format("%s = %s", field, value);
+                numericOperationQuery = String.format("%s = :%s", field, paramName);
                 break;
             case NOT_EQUAL:
-                numericOperationQuery = String.format("%s != '%s'", field, value);
+                numericOperationQuery = String.format("%s != :%s", field, paramName);
                 break;
             case GREATER:
-                numericOperationQuery = String.format("%s > %s", field, value);
+                numericOperationQuery = String.format("%s > :%s", field, paramName);
                 break;
             case GREATER_OR_EQUAL:
-                numericOperationQuery = String.format("%s >= %s", field, value);
+                numericOperationQuery = String.format("%s >= :%s", field, paramName);
                 break;
             case LESS:
-                numericOperationQuery = String.format("%s < %s", field, value);
+                numericOperationQuery = String.format("%s < :%s", field, paramName);
                 break;
             case LESS_OR_EQUAL:
-                numericOperationQuery = String.format("%s <= %s", field, value);
+                numericOperationQuery = String.format("%s <= :%s", field, paramName);
                 break;
         }
         return String.format("(%s is not null and %s)", field, numericOperationQuery);
     }
 
-    private String buildBooleanPredicateQuery(String field,
+    private String buildBooleanPredicateQuery(EntityQueryContext ctx, String field,
                                               BooleanFilterPredicate booleanFilterPredicate) {
-        boolean value = booleanFilterPredicate.isValue();
+        String paramName = getNextParameterName(field);
+        ctx.addBooleanParameter(paramName, booleanFilterPredicate.isValue());
         String booleanOperationQuery = "";
         switch (booleanFilterPredicate.getOperation()) {
             case EQUAL:
-                booleanOperationQuery = String.format("%s = %s", field, value);
+                booleanOperationQuery = String.format("%s = :%s", field, paramName);
                 break;
             case NOT_EQUAL:
-                booleanOperationQuery = String.format("%s != %s", field, value);
+                booleanOperationQuery = String.format("%s != :%s", field, paramName);
                 break;
         }
         return String.format("(%s is not null and %s)", field, booleanOperationQuery);
     }
+
+    private String getNextParameterName(String field) {
+        paramIdx++;
+        return field.replace(".", "_") + "_" + paramIdx;
+    }
 }

dao/src/main/java/org/thingsboard/server/dao/sql/query/EntityQueryContext.java

@@ -0,0 +1,122 @@
+/**
+ * Copyright © 2016-2020 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.sql.query;
+
+import org.hibernate.type.PostgresUUIDType;
+import org.springframework.jdbc.core.namedparam.SqlParameterSource;
+
+import java.sql.Types;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+public class EntityQueryContext implements SqlParameterSource {
+    private static final PostgresUUIDType UUID_TYPE = new PostgresUUIDType();
+
+    private final StringBuilder query;
+    private final Map<String, Parameter> params;
+
+    public EntityQueryContext() {
+        query = new StringBuilder();
+        params = new HashMap<>();
+    }
+
+    void addParameter(String name, Object value, int type, String typeName) {
+        Parameter existing = params.put(name, new Parameter(value, type, typeName));
+        if (existing != null) {
+            throw new RuntimeException("Parameter with name: " + name + " was already registered!");
+        }
+    }
+
+    public void append(String s) {
+        query.append(s);
+    }
+
+    @Override
+    public boolean hasValue(String paramName) {
+        return params.containsKey(paramName);
+    }
+
+    @Override
+    public Object getValue(String paramName) throws IllegalArgumentException {
+        return checkParameter(paramName).value;
+    }
+
+    @Override
+    public int getSqlType(String paramName) {
+        return checkParameter(paramName).type;
+    }
+
+    private Parameter checkParameter(String paramName) {
+        Parameter param = params.get(paramName);
+        if (param == null) {
+            throw new RuntimeException("Parameter with name: " + paramName + " is not set!");
+        }
+        return param;
+    }
+
+    @Override
+    public String getTypeName(String paramName) {
+        return params.get(paramName).name;
+    }
+
+    @Override
+    public String[] getParameterNames() {
+        return params.keySet().toArray(new String[]{});
+    }
+
+    public void addUuidParameter(String name, UUID value) {
+        addParameter(name, value, UUID_TYPE.sqlType(), UUID_TYPE.getName());
+    }
+
+    public void addStringParameter(String name, String value) {
+        addParameter(name, value, Types.VARCHAR, "VARCHAR");
+    }
+
+    public void addDoubleParameter(String name, double value) {
+        addParameter(name, value, Types.DOUBLE, "DOUBLE");
+    }
+
+    public void addStringListParameter(String name, List<String> value) {
+        addParameter(name, value, Types.VARCHAR, "VARCHAR");
+    }
+
+    public void addBooleanParameter(String name, boolean value) {
+        addParameter(name, value, Types.BOOLEAN, "BOOLEAN");
+    }
+
+    public void addUuidListParameter(String name, List<UUID> value) {
+        addParameter(name, value, UUID_TYPE.sqlType(), UUID_TYPE.getName());
+    }
+
+    public String getQuery() {
+        return query.toString();
+    }
+
+
+    public static class Parameter {
+        private final Object value;
+        private final int type;
+        private final String name;
+
+        public Parameter(Object value, int type, String name) {
+            this.value = value;
+            this.type = type;
+            this.name = name;
+        }
+    }
+}

dao/src/test/java/org/thingsboard/server/dao/SqlDaoServiceTestSuite.java

@@ -24,30 +24,30 @@ import java.util.Arrays;
 
 @RunWith(ClasspathSuite.class)
 @ClassnameFilters({
-        "org.thingsboard.server.dao.service.sql.EntityServiceSqlTest"
+        "org.thingsboard.server.dao.service.sql.*SqlTest"
 })
 public class SqlDaoServiceTestSuite {
 
-//    @ClassRule
-//    public static CustomSqlUnit sqlUnit = new CustomSqlUnit(
-//            Arrays.asList("sql/schema-ts-hsql.sql", "sql/schema-entities-hsql.sql", "sql/schema-entities-idx.sql"
-//                    , "sql/system-data.sql"
-//                    , "sql/system-test.sql"
-//            ),
-//            "sql/hsql/drop-all-tables.sql",
-//            "sql-test.properties"
-//    );
-
     @ClassRule
     public static CustomSqlUnit sqlUnit = new CustomSqlUnit(
-            Arrays.asList("sql/schema-ts-psql.sql"
-                    , "sql/schema-entities.sql", "sql/schema-entities-idx.sql"
-                    , "sql/system-data.sql", "sql/system-test.sql"
+            Arrays.asList("sql/schema-ts-hsql.sql", "sql/schema-entities-hsql.sql", "sql/schema-entities-idx.sql"
+                    , "sql/system-data.sql"
+                    , "sql/system-test.sql"
             ),
-            "sql/psql/drop-all-tables.sql",
+            "sql/hsql/drop-all-tables.sql",
             "sql-test.properties"
     );
 
+//    @ClassRule
+//    public static CustomSqlUnit sqlUnit = new CustomSqlUnit(
+//            Arrays.asList("sql/schema-ts-psql.sql"
+//                    , "sql/schema-entities.sql", "sql/schema-entities-idx.sql"
+//                    , "sql/system-data.sql", "sql/system-test.sql"
+//            ),
+//            "sql/psql/drop-all-tables.sql",
+//            "sql-test.properties"
+//    );
+
 //    @ClassRule
 //    public static CustomSqlUnit sqlUnit = new CustomSqlUnit(
 //            Arrays.asList("sql/schema-timescale.sql", "sql/schema-entities.sql", "sql/schema-entities-idx.sql", "sql/system-data.sql", "sql/system-test.sql"),

dao/src/test/java/org/thingsboard/server/dao/service/BaseEntityServiceTest.java

@@ -20,6 +20,7 @@ import com.google.common.util.concurrent.ListenableFuture;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.thingsboard.server.common.data.DataConstants;

dao/src/test/resources/sql-test.properties

@@ -3,18 +3,18 @@ database.ts.type=sql
 sql.ts_inserts_executor_type=fixed
 sql.ts_inserts_fixed_thread_pool_size=200
 sql.ts_key_value_partitioning=MONTHS
-
-#spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true
-#spring.jpa.properties.hibernate.order_by.default_null_ordering=last
-#spring.jpa.show-sql=false
-#spring.jpa.hibernate.ddl-auto=validate
-#spring.jpa.database-platform=org.hibernate.dialect.HSQLDialect
 #
-#spring.datasource.username=sa
-#spring.datasource.password=
-#spring.datasource.url=jdbc:hsqldb:file:/tmp/testDb;sql.enforce_size=false
-#spring.datasource.driverClassName=org.hsqldb.jdbc.JDBCDriver
-#spring.datasource.hikari.maximumPoolSize = 50
+spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true
+spring.jpa.properties.hibernate.order_by.default_null_ordering=last
+spring.jpa.show-sql=false
+spring.jpa.hibernate.ddl-auto=validate
+spring.jpa.database-platform=org.hibernate.dialect.HSQLDialect
+
+spring.datasource.username=sa
+spring.datasource.password=
+spring.datasource.url=jdbc:hsqldb:file:/tmp/testDb;sql.enforce_size=false
+spring.datasource.driverClassName=org.hsqldb.jdbc.JDBCDriver
+spring.datasource.hikari.maximumPoolSize = 50
 
 service.type=monolith
 
@@ -26,16 +26,16 @@ service.type=monolith
 #sql.ts_inserts_fixed_thread_pool_size=200
 #sql.ts_key_value_partitioning=MONTHS
 #
-spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true
-spring.jpa.show-sql=false
-spring.jpa.hibernate.ddl-auto=none
-spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
-
-spring.datasource.username=postgres
-spring.datasource.password=postgres
-spring.datasource.url=jdbc:postgresql://localhost:5432/sqltest
-spring.datasource.driverClassName=org.postgresql.Driver
-spring.datasource.hikari.maximumPoolSize = 50
+#spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation=true
+#spring.jpa.show-sql=false
+#spring.jpa.hibernate.ddl-auto=none
+#spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
+#
+#spring.datasource.username=postgres
+#spring.datasource.password=postgres
+#spring.datasource.url=jdbc:postgresql://localhost:5432/sqltest
+#spring.datasource.driverClassName=org.postgresql.Driver
+#spring.datasource.hikari.maximumPoolSize = 50
 
 queue.core.pack-processing-timeout=3000
 queue.rule-engine.pack-processing-timeout=3000