Fix @logger.debug? conditional considering @logger may be nil.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6375 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/connection_adapters/abstract_adapter.rb

@@ -23,7 +23,7 @@ module ConnectionAdapters # :nodoc:
     class AbstractAdapter
       include Quoting, DatabaseStatements, SchemaStatements
       @@row_even = true
-      
+
       def initialize(connection, logger = nil) #:nodoc:
         @connection, @logger = connection, logger
         @runtime = 0
@@ -41,7 +41,7 @@ def adapter_name
       def supports_migrations?
         false
       end
-      
+
       # Does this adapter support using DISTINCT within COUNT?  This is +true+
       # for all adapters except sqlite.
       def supports_count_distinct?
@@ -86,7 +86,7 @@ def requires_reloading?
       end
 
       # Lazily verify this connection, calling +active?+ only if it hasn't
-      # been called for +timeout+ seconds.       
+      # been called for +timeout+ seconds.
       def verify!(timeout)
         now = Time.now.to_i
         if (now - @last_verification) > timeout
@@ -94,24 +94,20 @@ def verify!(timeout)
           @last_verification = now
         end
       end
-      
+
       # Provides access to the underlying database connection. Useful for
       # when you need to call a proprietary method such as postgresql's lo_*
       # methods
       def raw_connection
         @connection
       end
-      
+
       def log_info(sql, name, runtime)
-        return unless @logger or !@logger.debug?
-
-        @logger.debug(
-          format_log_entry(
-            "#{name.nil? ? "SQL" : name} (#{sprintf("%f", runtime)})",
-            sql.gsub(/ +/, " ")
-          )
-        )
-      end      
+        if @logger && @logger.debug?
+          name = "#{name.nil? ? "SQL" : name} (#{sprintf("%f", runtime)})"
+          @logger.debug format_log_entry(name, sql.squeeze(' '))
+        end
+      end
 
       protected
         def log(sql, name)