Applied to jdbc1 and jdbc2.

This is a patch which lets the DatabaseMetaData return the object type
when getTables(....) is called.  It does not really fix any bug, but it
fills in some functionality that should be there anyway.  The diff
included here is off of the CVS as of just now :)

----------------------------------------------------------------
Travis Bauer | CS Grad Student | IU |www.cs.indiana.edu/~trbauer
----------------------------------------------------------------

src/interfaces/jdbc/org/postgresql/jdbc1/DatabaseMetaData.java

@@ -1651,7 +1651,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
     f[4] = new Field(connection, new String("REMARKS"), iVarcharOid, 32);
     
     // Now form the query
-    StringBuffer sql = new StringBuffer("select relname,oid from pg_class where (");
+    StringBuffer sql = new StringBuffer("select relname,oid,relkind from pg_class where (");
     boolean notFirst=false;
     for(int i=0;i<types.length;i++) {
       for(int j=0;j<getTableTypes.length;j++)
@@ -1687,10 +1687,25 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
 	  remarks = defaultRemarks;
 	dr.close();
 	
+	String relKind;
+	switch (r.getBytes(3)[0]) {
+	case 'r':
+	    relKind = "TABLE";
+	    break;
+	case 'i':
+	    relKind = "INDEX";
+	    break;
+	case 'S':
+	    relKind = "SEQUENCE";
+	    break;
+	default:
+	    relKind = null;
+	}
+
 	tuple[0] = null;		// Catalog name
 	tuple[1] = null;		// Schema name
 	tuple[2] = r.getBytes(1);	// Table name	
-	tuple[3] = null;		// Table type
+	tuple[3] = relKind.getBytes();	// Table type
 	tuple[4] = remarks;		// Remarks
 	v.addElement(tuple);
       }

src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java

@@ -1651,7 +1651,7 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
     f[4] = new Field(connection, new String("REMARKS"), iVarcharOid, 32);
     
     // Now form the query
-    StringBuffer sql = new StringBuffer("select relname,oid from pg_class where (");
+    StringBuffer sql = new StringBuffer("select relname,oid,relkind from pg_class where (");
     boolean notFirst=false;
     for(int i=0;i<types.length;i++) {
       for(int j=0;j<getTableTypes.length;j++)
@@ -1687,10 +1687,25 @@ public class DatabaseMetaData implements java.sql.DatabaseMetaData
 	  remarks = defaultRemarks;
 	dr.close();
 	
+	String relKind;
+	switch (r.getBytes(3)[0]) {
+	case 'r':
+	    relKind = "TABLE";
+	    break;
+	case 'i':
+	    relKind = "INDEX";
+	    break;
+	case 'S':
+	    relKind = "SEQUENCE";
+	    break;
+	default:
+	    relKind = null;
+	}
+
 	tuple[0] = null;		// Catalog name
 	tuple[1] = null;		// Schema name
 	tuple[2] = r.getBytes(1);	// Table name	
-	tuple[3] = null;		// Table type
+	tuple[3] = relKind.getBytes();	// Table type
 	tuple[4] = remarks;		// Remarks
 	v.addElement(tuple);
       }