diff --git a/src/com/google/gwtorm/schema/RelationModel.java b/src/com/google/gwtorm/schema/RelationModel.java
index 1d8a004..ac0ba62 100644
--- a/src/com/google/gwtorm/schema/RelationModel.java
+++ b/src/com/google/gwtorm/schema/RelationModel.java
@@ -208,7 +208,7 @@
       final ColumnModel col = i.next();
       r.append(col.getColumnName());
       r.append(" ");
-      r.append(dialect.getSqlTypeInfo(col).getSqlType(col));
+      r.append(dialect.getSqlTypeInfo(col).getSqlType(col, dialect));
       if (i.hasNext()) {
         r.append(",");
       }
diff --git a/src/com/google/gwtorm/schema/sql/DialectPostgreSQL.java b/src/com/google/gwtorm/schema/sql/DialectPostgreSQL.java
index eed004b..27f8a2c 100644
--- a/src/com/google/gwtorm/schema/sql/DialectPostgreSQL.java
+++ b/src/com/google/gwtorm/schema/sql/DialectPostgreSQL.java
@@ -1,7 +1,13 @@
 package com.google.gwtorm.schema.sql;
 
+import java.sql.Types;
+
 /** Dialect for <a href="http://www.postgresql.org/>PostgreSQL</a> */
 public class DialectPostgreSQL extends SqlDialect {
+  public DialectPostgreSQL() {
+    typeNames.put(Types.VARBINARY, "BYTEA");
+  }
+
   @Override
   public String getNextSequenceValueSql(final String seqname) {
     return "SELECT nextval('" + seqname + "')";
diff --git a/src/com/google/gwtorm/schema/sql/SqlBooleanTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlBooleanTypeInfo.java
index fae2f1b..d3c3b70 100644
--- a/src/com/google/gwtorm/schema/sql/SqlBooleanTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlBooleanTypeInfo.java
@@ -25,7 +25,7 @@
 
 public class SqlBooleanTypeInfo extends SqlTypeInfo {
   @Override
-  public String getSqlType(final ColumnModel column) {
+  public String getSqlType(final ColumnModel column, final SqlDialect dialect) {
     final String name = column.getColumnName();
     final String t = getTrueLiteralValue();
     final String f = getFalseLiteralValue();
diff --git a/src/com/google/gwtorm/schema/sql/SqlByteArrayTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlByteArrayTypeInfo.java
index 9d09100..b7f0758 100644
--- a/src/com/google/gwtorm/schema/sql/SqlByteArrayTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlByteArrayTypeInfo.java
@@ -42,10 +42,10 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel col) {
+  public String getSqlType(final ColumnModel col, final SqlDialect dialect) {
     final Column column = col.getColumnAnnotation();
     final StringBuilder r = new StringBuilder();
-    r.append("BLOB");
+    r.append(dialect.getSqlTypeName(getSqlTypeConstant()));
     if (column.notNull()) {
       r.append(" DEFAULT ''");
       r.append(" NOT NULL");
diff --git a/src/com/google/gwtorm/schema/sql/SqlCharTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlCharTypeInfo.java
index c73596c..6564218 100644
--- a/src/com/google/gwtorm/schema/sql/SqlCharTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlCharTypeInfo.java
@@ -24,7 +24,7 @@
 
 public class SqlCharTypeInfo extends SqlTypeInfo {
   @Override
-  public String getSqlType(final ColumnModel column) {
+  public String getSqlType(final ColumnModel column, final SqlDialect dialect) {
     final StringBuilder r = new StringBuilder();
     r.append("CHAR(1)");
     r.append(" DEFAULT ' '");
diff --git a/src/com/google/gwtorm/schema/sql/SqlDateTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlDateTypeInfo.java
index 256ea44..0ed0258 100644
--- a/src/com/google/gwtorm/schema/sql/SqlDateTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlDateTypeInfo.java
@@ -31,10 +31,10 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel col) {
+  public String getSqlType(final ColumnModel col, final SqlDialect dialect) {
     final Column column = col.getColumnAnnotation();
     final StringBuilder r = new StringBuilder();
-    r.append("DATE");
+    r.append(dialect.getSqlTypeName(getSqlTypeConstant()));
     if (column.notNull()) {
       r.append(" DEFAULT '1900-01-01'");
       r.append(" NOT NULL");
diff --git a/src/com/google/gwtorm/schema/sql/SqlDialect.java b/src/com/google/gwtorm/schema/sql/SqlDialect.java
index 325e9c2..82aa4b2 100644
--- a/src/com/google/gwtorm/schema/sql/SqlDialect.java
+++ b/src/com/google/gwtorm/schema/sql/SqlDialect.java
@@ -18,11 +18,13 @@
 import com.google.gwtorm.schema.ColumnModel;
 import com.google.gwtorm.schema.SequenceModel;
 
+import java.sql.Types;
 import java.util.HashMap;
 import java.util.Map;
 
 public abstract class SqlDialect {
   protected final Map<Class<?>, SqlTypeInfo> types;
+  protected final Map<Integer, String> typeNames;
 
   protected SqlDialect() {
     types = new HashMap<Class<?>, SqlTypeInfo>();
@@ -35,6 +37,20 @@
     types.put(java.sql.Date.class, new SqlDateTypeInfo());
     types.put(java.sql.Timestamp.class, new SqlTimestampTypeInfo());
     types.put(byte[].class, new SqlByteArrayTypeInfo());
+
+    typeNames = new HashMap<Integer, String>();
+    typeNames.put(Types.VARBINARY, "BLOB");
+    typeNames.put(Types.DATE, "DATE");
+    typeNames.put(Types.SMALLINT, "SMALLINT");
+    typeNames.put(Types.INTEGER, "INT");
+    typeNames.put(Types.BIGINT, "BIGINT");
+    typeNames.put(Types.LONGVARCHAR, "TEXT");
+    typeNames.put(Types.TIMESTAMP, "TIMESTAMP");
+  }
+
+  public String getSqlTypeName(final int typeCode) {
+    final String r = typeNames.get(typeCode);
+    return r != null ? r : "UNKNOWNTYPE";
   }
 
   public SqlTypeInfo getSqlTypeInfo(final ColumnModel col) {
diff --git a/src/com/google/gwtorm/schema/sql/SqlIntTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlIntTypeInfo.java
index 554c1c4..a13a4c4 100644
--- a/src/com/google/gwtorm/schema/sql/SqlIntTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlIntTypeInfo.java
@@ -30,7 +30,7 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel column) {
-    return "INT DEFAULT 0 NOT NULL";
+  public String getSqlType(final ColumnModel column, final SqlDialect dialect) {
+    return dialect.getSqlTypeName(getSqlTypeConstant()) + " DEFAULT 0 NOT NULL";
   }
 }
diff --git a/src/com/google/gwtorm/schema/sql/SqlLongTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlLongTypeInfo.java
index 1b1f50c..b266345 100644
--- a/src/com/google/gwtorm/schema/sql/SqlLongTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlLongTypeInfo.java
@@ -30,7 +30,7 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel column) {
-    return "BIGINT DEFAULT 0 NOT NULL";
+  public String getSqlType(final ColumnModel column, final SqlDialect dialect) {
+    return dialect.getSqlTypeName(getSqlTypeConstant()) + " DEFAULT 0 NOT NULL";
   }
 }
diff --git a/src/com/google/gwtorm/schema/sql/SqlShortTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlShortTypeInfo.java
index 5220f47..1686a20 100644
--- a/src/com/google/gwtorm/schema/sql/SqlShortTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlShortTypeInfo.java
@@ -30,7 +30,7 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel column) {
-    return "SMALLINT DEFAULT 0 NOT NULL";
+  public String getSqlType(final ColumnModel column, final SqlDialect dialect) {
+    return dialect.getSqlTypeName(getSqlTypeConstant()) + " DEFAULT 0 NOT NULL";
   }
 }
diff --git a/src/com/google/gwtorm/schema/sql/SqlStringTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlStringTypeInfo.java
index df68612..d23c7ea 100644
--- a/src/com/google/gwtorm/schema/sql/SqlStringTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlStringTypeInfo.java
@@ -42,7 +42,7 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel col) {
+  public String getSqlType(final ColumnModel col, final SqlDialect dialect) {
     final Column column = col.getColumnAnnotation();
     final StringBuilder r = new StringBuilder();
 
@@ -51,7 +51,7 @@
     } else if (column.length() <= 255) {
       r.append("VARCHAR(" + column.length() + ")");
     } else {
-      r.append("TEXT");
+      r.append(dialect.getSqlTypeName(Types.LONGVARCHAR));
     }
 
     if (column.notNull()) {
diff --git a/src/com/google/gwtorm/schema/sql/SqlTimestampTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlTimestampTypeInfo.java
index 7eed577..d5646a7 100644
--- a/src/com/google/gwtorm/schema/sql/SqlTimestampTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlTimestampTypeInfo.java
@@ -31,10 +31,10 @@
   }
 
   @Override
-  public String getSqlType(final ColumnModel col) {
+  public String getSqlType(final ColumnModel col, final SqlDialect dialect) {
     final Column column = col.getColumnAnnotation();
     final StringBuilder r = new StringBuilder();
-    r.append("TIMESTAMP");
+    r.append(dialect.getSqlTypeName(getSqlTypeConstant()));
     if (column.notNull()) {
       r.append(" DEFAULT '1900-01-01 00:00:00'");
       r.append(" NOT NULL");
diff --git a/src/com/google/gwtorm/schema/sql/SqlTypeInfo.java b/src/com/google/gwtorm/schema/sql/SqlTypeInfo.java
index 75e656d..35ed96a 100644
--- a/src/com/google/gwtorm/schema/sql/SqlTypeInfo.java
+++ b/src/com/google/gwtorm/schema/sql/SqlTypeInfo.java
@@ -27,7 +27,7 @@
   protected SqlTypeInfo() {
   }
 
-  public abstract String getSqlType(ColumnModel column);
+  public abstract String getSqlType(ColumnModel column, SqlDialect dialect);
 
   protected abstract String getJavaSqlTypeAlias();