Fix Issue 449: Postgres Serial data type should not automatically be marked as primary key

h2/src/docsrc/html/changelog.html

@@ -26,6 +26,7 @@ Change Log
 </li><li>Add support for CREATE TABLE TEST (ID BIGSERIAL) for PostgreSQL compatibility. Patch from Jesse Long.
 </li><li>Add new collation command SET BINARY_COLLATION UNSIGNED, helps with people testing BINARY columns in MySQL mode.
 </li><li>Fix issue #453, ABBA race conditions in TABLE LINK connection sharing.
+</li><li>Fix Issue 449: Postgres Serial data type should not automatically be marked as primary key
 </li></ul>
 
 <h2>Version 1.3.171 (2013-03-17)</h2>

h2/src/main/org/h2/command/Parser.java

@@ -81,6 +81,7 @@ import org.h2.engine.Constants;
 import org.h2.engine.Database;
 import org.h2.engine.DbObject;
 import org.h2.engine.FunctionAlias;
+import org.h2.engine.Mode;
 import org.h2.engine.Procedure;
 import org.h2.engine.Right;
 import org.h2.engine.Session;
@@ -3519,12 +3520,18 @@ public class Parser {
             column = new Column(columnName, Value.LONG);
             column.setOriginalSQL("IDENTITY");
             parseAutoIncrement(column);
-            column.setPrimaryKey(true);
+            // PostgreSQL compatibility
+            if (!database.getMode().serialColumnIsNotPK) {
+                column.setPrimaryKey(true);
+            }
         } else if (readIf("SERIAL")) {
             column = new Column(columnName, Value.INT);
             column.setOriginalSQL("SERIAL");
             parseAutoIncrement(column);
-            column.setPrimaryKey(true);
+            // PostgreSQL compatibility
+            if (!database.getMode().serialColumnIsNotPK) {
+                column.setPrimaryKey(true);
+            }
         } else {
             column = parseColumnWithType(columnName);
         }

h2/src/main/org/h2/engine/Mode.java

@@ -112,6 +112,12 @@ public class Mode {
      * The function LOG() uses base 10 instead of E.
      */
     public boolean logIsLogBase10;
+    
+    /**
+     * SERIAL and BIGSERIAL columns are not automatically primary keys.
+     */
+    public boolean serialColumnIsNotPK;
+
 
     private final String name;
 
@@ -165,6 +171,7 @@ public class Mode {
         mode.supportOffsetFetch = true;
         mode.systemColumns = true;
         mode.logIsLogBase10 = true;
+        mode.serialColumnIsNotPK = true;
         add(mode);
     }