PL-10070 Speed up getting information about tables on Oracle

modules/core/src/com/haulmont/cuba/core/sys/dbupdate/DbUpdaterEngine.java

@@ -159,8 +159,8 @@ public class DbUpdaterEngine implements DbUpdater {
             connection = getDataSource().getConnection();
             DatabaseMetaData dbMetaData = connection.getMetaData();
             DbProperties dbProperties = new DbProperties(getConnectionUrl(connection));
-            boolean useUserForSchemaName = DbmsSpecificFactory.getDbmsFeatures().useUserForSchemaName();
-            String schemaName = useUserForSchemaName ?
+            boolean isSchemaByUser = DbmsSpecificFactory.getDbmsFeatures().isSchemaByUser();
+            String schemaName = isSchemaByUser ?
                     dbMetaData.getUserName() : dbProperties.getCurrentSchemaProperty();
             ResultSet tables = dbMetaData.getTables(null, schemaName, null, null);
             boolean found = false;

modules/core/src/com/haulmont/cuba/core/sys/persistence/DbmsFeatures.java

@@ -73,9 +73,7 @@ public interface DbmsFeatures {
     boolean isNullsLastSorting();
 
     /**
-     * Uses user name as schema name for Oracle database
-     * for correct table lookup {@link java.sql.DatabaseMetaData#getTables}.
-     * By default it returns all tables for all users in the Oracle database
+     * @return true if user name must be used when providing schema name for obtaining database metadata
      */
-    boolean useUserForSchemaName();
+    boolean isSchemaByUser();
 }

modules/core/src/com/haulmont/cuba/core/sys/persistence/HsqlDbmsFeatures.java

@@ -69,7 +69,7 @@ public class HsqlDbmsFeatures implements DbmsFeatures {
     }
 
     @Override
-    public boolean useUserForSchemaName() {
+    public boolean isSchemaByUser() {
         return false;
     }
 }

modules/core/src/com/haulmont/cuba/core/sys/persistence/MssqlDbmsFeatures.java

@@ -69,7 +69,7 @@ public class MssqlDbmsFeatures implements DbmsFeatures {
     }
 
     @Override
-    public boolean useUserForSchemaName() {
+    public boolean isSchemaByUser() {
         return false;
     }
 }

modules/core/src/com/haulmont/cuba/core/sys/persistence/MysqlDbmsFeatures.java

@@ -68,7 +68,7 @@ public class MysqlDbmsFeatures implements DbmsFeatures {
     }
 
     @Override
-    public boolean useUserForSchemaName() {
+    public boolean isSchemaByUser() {
         return false;
     }
 }

modules/core/src/com/haulmont/cuba/core/sys/persistence/OracleDbmsFeatures.java

@@ -74,7 +74,7 @@ public class OracleDbmsFeatures implements DbmsFeatures {
     }
 
     @Override
-    public boolean useUserForSchemaName() {
+    public boolean isSchemaByUser() {
         return true;
     }
 }

modules/core/src/com/haulmont/cuba/core/sys/persistence/PostgresDbmsFeatures.java

@@ -69,7 +69,7 @@ public class PostgresDbmsFeatures implements DbmsFeatures {
     }
 
     @Override
-    public boolean useUserForSchemaName() {
+    public boolean isSchemaByUser() {
         return false;
     }
 }