diff --git a/ext/mysql2/result.c b/ext/mysql2/result.c
index c227c41fa..ccb49a5b7 100644
--- a/ext/mysql2/result.c
+++ b/ext/mysql2/result.c
@@ -405,6 +405,13 @@ static VALUE rb_mysql_result_fetch_row_stmt(VALUE self, MYSQL_FIELD * fields, co
             val = INT2NUM(*((signed char*)result_buffer->buffer));
           }
           break;
+        case MYSQL_TYPE_BIT:        /* BIT field (MySQL 5.0.3 and up) */
+          if (args->castBool && fields[i].length == 1) {
+            val = (*((unsigned char*)result_buffer->buffer) != 0) ? Qtrue : Qfalse;
+          }else{
+            val = rb_str_new(result_buffer->buffer, *(result_buffer->length));
+          }
+          break;
         case MYSQL_TYPE_SHORT:        // short int
           if (result_buffer->is_unsigned) {
             val = UINT2NUM(*((unsigned short int*)result_buffer->buffer));
@@ -494,7 +501,6 @@ static VALUE rb_mysql_result_fetch_row_stmt(VALUE self, MYSQL_FIELD * fields, co
         case MYSQL_TYPE_BLOB:         // char[]
         case MYSQL_TYPE_MEDIUM_BLOB:  // char[]
         case MYSQL_TYPE_LONG_BLOB:    // char[]
-        case MYSQL_TYPE_BIT:          // char[]
         case MYSQL_TYPE_SET:          // char[]
         case MYSQL_TYPE_ENUM:         // char[]
         case MYSQL_TYPE_GEOMETRY:     // char[]
diff --git a/spec/mysql2/client_spec.rb b/spec/mysql2/client_spec.rb
index 44c311db7..dfb92a2df 100644
--- a/spec/mysql2/client_spec.rb
+++ b/spec/mysql2/client_spec.rb
@@ -604,7 +604,7 @@ def run_gc
         end
 
         it "should handle Timeouts without leaving the connection hanging if reconnect is true" do
-          if RUBY_PLATFORM.include?('darwin') && Mysql2::Client.server_info.fetch(:version).start_with?('5.5')
+          if RUBY_PLATFORM.include?('darwin') && @client.server_info.fetch(:version).start_with?('5.5')
             pending('MySQL 5.5 on OSX is afflicted by an unknown bug that breaks this test. See #633 and #634.')
           end
 
@@ -615,7 +615,7 @@ def run_gc
         end
 
         it "should handle Timeouts without leaving the connection hanging if reconnect is set to true after construction" do
-          if RUBY_PLATFORM.include?('darwin') && Mysql2::Client.server_info.fetch(:version).start_with?('5.5')
+          if RUBY_PLATFORM.include?('darwin') && @client.server_info.fetch(:version).start_with?('5.5')
             pending('MySQL 5.5 on OSX is afflicted by an unknown bug that breaks this test. See #633 and #634.')
           end
 
diff --git a/spec/mysql2/statement_spec.rb b/spec/mysql2/statement_spec.rb
index 79da4d85d..c0aa46981 100644
--- a/spec/mysql2/statement_spec.rb
+++ b/spec/mysql2/statement_spec.rb
@@ -374,36 +374,47 @@ def stmt_count
       expect(@test_result['tiny_int_test']).to eql(1)
     end
 
-    it "should return TrueClass or FalseClass for a TINYINT value if :cast_booleans is enabled" do
-      @client.query 'INSERT INTO mysql2_test (bool_cast_test) VALUES (1)'
-      id1 = @client.last_id
-      @client.query 'INSERT INTO mysql2_test (bool_cast_test) VALUES (0)'
-      id2 = @client.last_id
-      @client.query 'INSERT INTO mysql2_test (bool_cast_test) VALUES (-1)'
-      id3 = @client.last_id
-
-      result1 = @client.query 'SELECT bool_cast_test FROM mysql2_test WHERE bool_cast_test = 1 LIMIT 1', :cast_booleans => true
-      result2 = @client.query 'SELECT bool_cast_test FROM mysql2_test WHERE bool_cast_test = 0 LIMIT 1', :cast_booleans => true
-      result3 = @client.query 'SELECT bool_cast_test FROM mysql2_test WHERE bool_cast_test = -1 LIMIT 1', :cast_booleans => true
-      expect(result1.first['bool_cast_test']).to be true
-      expect(result2.first['bool_cast_test']).to be false
-      expect(result3.first['bool_cast_test']).to be true
+    context "cast booleans for TINYINY if :cast_booleans is enabled" do
+      # rubocop:disable Style/Semicolon
+      let(:client) { new_client(:cast_booleans => true) }
+      let(:id1) { client.query 'INSERT INTO mysql2_test (bool_cast_test) VALUES ( 1)'; client.last_id }
+      let(:id2) { client.query 'INSERT INTO mysql2_test (bool_cast_test) VALUES ( 0)'; client.last_id }
+      let(:id3) { client.query 'INSERT INTO mysql2_test (bool_cast_test) VALUES (-1)'; client.last_id }
+      # rubocop:enable Style/Semicolon
+
+      after do
+        client.query "DELETE from mysql2_test WHERE id IN(#{id1},#{id2},#{id3})"
+      end
 
-      @client.query "DELETE from mysql2_test WHERE id IN(#{id1},#{id2},#{id3})"
+      it "should return TrueClass or FalseClass for a TINYINT value if :cast_booleans is enabled" do
+        query = client.prepare 'SELECT bool_cast_test FROM mysql2_test WHERE id = ?'
+        result1 = query.execute id1
+        result2 = query.execute id2
+        result3 = query.execute id3
+        expect(result1.first['bool_cast_test']).to be true
+        expect(result2.first['bool_cast_test']).to be false
+        expect(result3.first['bool_cast_test']).to be true
+      end
     end
 
-    it "should return TrueClass or FalseClass for a BIT(1) value if :cast_booleans is enabled" do
-      @client.query 'INSERT INTO mysql2_test (single_bit_test) VALUES (1)'
-      id1 = @client.last_id
-      @client.query 'INSERT INTO mysql2_test (single_bit_test) VALUES (0)'
-      id2 = @client.last_id
+    context "cast booleans for BIT(1) if :cast_booleans is enabled" do
+      # rubocop:disable Style/Semicolon
+      let(:client) { new_client(:cast_booleans => true) }
+      let(:id1) { client.query 'INSERT INTO mysql2_test (single_bit_test) VALUES (1)'; client.last_id }
+      let(:id2) { client.query 'INSERT INTO mysql2_test (single_bit_test) VALUES (0)'; client.last_id }
+      # rubocop:enable Style/Semicolon
 
-      result1 = @client.query "SELECT single_bit_test FROM mysql2_test WHERE id = #{id1}", :cast_booleans => true
-      result2 = @client.query "SELECT single_bit_test FROM mysql2_test WHERE id = #{id2}", :cast_booleans => true
-      expect(result1.first['single_bit_test']).to be true
-      expect(result2.first['single_bit_test']).to be false
+      after do
+        client.query "DELETE from mysql2_test WHERE id IN(#{id1},#{id2})"
+      end
 
-      @client.query "DELETE from mysql2_test WHERE id IN(#{id1},#{id2})"
+      it "should return TrueClass or FalseClass for a BIT(1) value if :cast_booleans is enabled" do
+        query = client.prepare 'SELECT single_bit_test FROM mysql2_test WHERE id = ?'
+        result1 = query.execute id1
+        result2 = query.execute id2
+        expect(result1.first['single_bit_test']).to be true
+        expect(result2.first['single_bit_test']).to be false
+      end
     end
 
     it "should return Fixnum for a SMALLINT value" do
@@ -460,39 +471,39 @@ def stmt_count
 
       it "should return DateTime when timestamp is < 1901-12-13 20:45:52" do
         # 1901-12-13T20:45:52 is the min for 32bit Ruby 1.8
-        r = @client.query("SELECT CAST('1901-12-13 20:45:51' AS DATETIME) as test")
+        r = @client.prepare("SELECT CAST('1901-12-13 20:45:51' AS DATETIME) as test").execute
         expect(r.first['test']).to be_an_instance_of(klass)
       end
 
       it "should return DateTime when timestamp is > 2038-01-19T03:14:07" do
         # 2038-01-19T03:14:07 is the max for 32bit Ruby 1.8
-        r = @client.query("SELECT CAST('2038-01-19 03:14:08' AS DATETIME) as test")
+        r = @client.prepare("SELECT CAST('2038-01-19 03:14:08' AS DATETIME) as test").execute
         expect(r.first['test']).to be_an_instance_of(klass)
       end
     elsif 1.size == 8 # 64bit
       if RUBY_VERSION =~ /1.8/
         it "should return Time when timestamp is > 0138-12-31 11:59:59" do
-          r = @client.query("SELECT CAST('0139-1-1 00:00:00' AS DATETIME) as test")
+          r = @client.prepare("SELECT CAST('0139-1-1 00:00:00' AS DATETIME) as test").execute
           expect(r.first['test']).to be_an_instance_of(Time)
         end
 
         it "should return DateTime when timestamp is < 0139-1-1T00:00:00" do
-          r = @client.query("SELECT CAST('0138-12-31 11:59:59' AS DATETIME) as test")
+          r = @client.prepare("SELECT CAST('0138-12-31 11:59:59' AS DATETIME) as test").execute
           expect(r.first['test']).to be_an_instance_of(DateTime)
         end
 
         it "should return Time when timestamp is > 2038-01-19T03:14:07" do
-          r = @client.query("SELECT CAST('2038-01-19 03:14:08' AS DATETIME) as test")
+          r = @client.prepare("SELECT CAST('2038-01-19 03:14:08' AS DATETIME) as test").execute
           expect(r.first['test']).to be_an_instance_of(Time)
         end
       else
         it "should return Time when timestamp is < 1901-12-13 20:45:52" do
-          r = @client.query("SELECT CAST('1901-12-13 20:45:51' AS DATETIME) as test")
+          r = @client.prepare("SELECT CAST('1901-12-13 20:45:51' AS DATETIME) as test").execute
           expect(r.first['test']).to be_an_instance_of(Time)
         end
 
         it "should return Time when timestamp is > 2038-01-19T03:14:07" do
-          r = @client.query("SELECT CAST('2038-01-19 03:14:08' AS DATETIME) as test")
+          r = @client.prepare("SELECT CAST('2038-01-19 03:14:08' AS DATETIME) as test").execute
           expect(r.first['test']).to be_an_instance_of(Time)
         end
       end