--- xml2postgresql.xsl.orig	2007-01-21 16:01:24.000000000 +0900
+++ xml2postgresql.xsl	2007-12-29 12:31:17.000000000 +0900
@@ -13,7 +13,14 @@
 				<xsl:text> </xsl:text>
 
 				<xsl:if test="type = 'Integer'">
-					<xsl:text>INTEGER</xsl:text>
+					<xsl:choose>
+						<xsl:when test="@pk">
+							<xsl:text>SERIAL</xsl:text>
+						</xsl:when>
+						<xsl:otherwise>
+							<xsl:text>INTEGER</xsl:text>
+						</xsl:otherwise>
+					</xsl:choose>
 				</xsl:if>
 
 				<xsl:if test="type = 'Byte'">
@@ -102,7 +109,6 @@
 
 				<xsl:choose>
 					<xsl:when test="@pk">
-						<xsl:text>serial</xsl:text>
 					</xsl:when>
 					<xsl:otherwise>
 						<xsl:text>default '</xsl:text>
@@ -145,8 +151,35 @@
 
 </xsl:text>
 		</xsl:for-each>
+		<xsl:for-each select="relation">
+			<!-- begin variable -->
+			<xsl:variable name="table_PK" select="table_1"/>
+			<xsl:variable name="table_FK" select="table_2"/>
+			<xsl:variable name="row_PK" select="row_1"/>
+			<xsl:variable name="row_FK" select="row_2"/>
+			<!-- end variable -->
+			<xsl:text>ALTER TABLE </xsl:text>
+			<xsl:for-each select="../table[@id=$table_FK]">
+				<xsl:value-of select="@title" />
+			</xsl:for-each>
+			<xsl:text> ADD FOREIGN KEY (</xsl:text>
+			<xsl:for-each select="../table[@id=$table_FK]/row[@id=$row_FK]">
+				<xsl:value-of select="title" />
+			</xsl:for-each>
+			<xsl:text>) REFERENCES </xsl:text>
+			<xsl:for-each select="../table[@id=$table_PK]">
+				<xsl:value-of select="@title" />
+			</xsl:for-each>
+			<xsl:text> (</xsl:text>
+			<xsl:for-each select="../table[@id=$table_PK]/row[@id=$row_PK]">
+				<xsl:value-of select="title" />
+			</xsl:for-each>
+			<xsl:text>);
+			
+</xsl:text>
+		</xsl:for-each>
 		</body>
 		</html>
 	</xsl:template>
 
-</xsl:stylesheet>
\ No newline at end of file
+</xsl:stylesheet>