supports_views? is now a method available in 4.2 (most DBs support VIEWs)

Author: kares

lib/arjdbc/db2/adapter.rb

@@ -572,6 +572,9 @@ def drop_database(name = nil)
       tables.each { |table| drop_table("#{table}") }
     end
 
+    # @override
+    def supports_views?; true end
+
     def execute_table_change(sql, table_name, name = nil)
       outcome = execute(sql, name)
       reorg_table(table_name, name)

lib/arjdbc/h2/adapter.rb

@@ -196,10 +196,13 @@ def quote(value, column = nil)
       end
     end
 
+    # @override
+    def supports_views?; true end
+
     # EXPLAIN support :
 
     # @override
-    def supports_explain?; true; end
+    def supports_explain?; true end
 
     # @override
     def explain(arel, binds = [])

lib/arjdbc/hsqldb/adapter.rb

@@ -237,6 +237,9 @@ def remove_index(table_name, options = {})
       execute "DROP INDEX #{quote_column_name(index_name(table_name, options))}"
     end
 
+    # @override
+    def supports_views?; true end
+
     # @override
     def structure_dump
       execute('SCRIPT').map do |result|
@@ -281,6 +284,6 @@ module ActiveRecord::ConnectionAdapters
   class HsqldbAdapter < JdbcAdapter
     include ArJdbc::HSQLDB
   end
-  
+
 end
 

lib/arjdbc/mssql/adapter.rb

@@ -255,9 +255,11 @@ def change_order_direction(order)
       end.join(",")
     end
 
-    def supports_ddl_transactions?
-      true
-    end
+    # @override
+    def supports_ddl_transactions?; true end
+
+    # @override
+    def supports_views?; true end
 
     def tables(schema = current_schema)
       @connection.tables(nil, schema)

lib/arjdbc/oracle/adapter.rb

@@ -485,24 +485,19 @@ def quote_raw(value)
     end
 
     # @override
-    def supports_migrations?
-      true
-    end
+    def supports_migrations?; true end
 
     # @override
-    def supports_primary_key?
-      true
-    end
+    def supports_primary_key?; true end
 
     # @override
-    def supports_savepoints?
-      true
-    end
+    def supports_savepoints?; true end
 
     # @override
-    def supports_explain?
-      true
-    end
+    def supports_explain?; true end
+
+    # @override
+    def supports_views?; true end
 
     def explain(arel, binds = [])
       sql = "EXPLAIN PLAN FOR #{to_sql(arel, binds)}"

lib/arjdbc/postgresql/adapter.rb

@@ -323,21 +323,13 @@ def supports_insert_with_returning?
       postgresql_version >= 80200
     end
 
-    def supports_ddl_transactions?
-      true
-    end
+    def supports_ddl_transactions?; true end
 
-    def supports_transaction_isolation?
-      true
-    end
+    def supports_transaction_isolation?; true end
 
-    def supports_index_sort_order?
-      true
-    end
+    def supports_index_sort_order?; true end
 
-    def supports_partial_index?
-      true
-    end if AR4_COMPAT
+    def supports_partial_index?; true end if AR4_COMPAT
 
     # Range data-types weren't introduced until PostgreSQL 9.2.
     def supports_ranges?
@@ -348,12 +340,13 @@ def supports_transaction_isolation?(level = nil)
       true
     end
 
+    # @override
+    def supports_views?; true end
+
     # NOTE: handled by JdbcAdapter we override only to have save-point in logs :
 
     # @override
-    def supports_savepoints?
-      true
-    end
+    def supports_savepoints?; true end
 
     # @override
     def create_savepoint(name = current_savepoint_name(true))

lib/arjdbc/sqlite3/adapter.rb

@@ -202,6 +202,11 @@ def supports_index_sort_order?
       true
     end
 
+    # @override
+    def supports_views?
+      true
+    end
+
     def sqlite_version
       @sqlite_version ||= Version.new(select_value('SELECT sqlite_version(*)'))
     end