Documentation.

h2/src/main/org/h2/jdbc/JdbcCallableStatement.java

@@ -38,6 +38,7 @@ import org.h2.value.ValueNull;
  * Represents a callable statement.
  *
  * @author Sergi Vladykin
+ * @author Thomas Mueller
  */
 public class JdbcCallableStatement extends JdbcPreparedStatement implements CallableStatement {
 
@@ -51,7 +52,20 @@ public class JdbcCallableStatement extends JdbcPreparedStatement implements Call
     }
 
     /**
-     * @see java.sql.PreparedStatement#executeUpdate()
+     * Executes a statement (insert, update, delete, create, drop)
+     * and returns the update count.
+     * If another result set exists for this statement, this will be closed
+     * (even if this statement fails).
+     *
+     * If auto commit is on, this statement will be committed.
+     * If the statement is a DDL statement (create, drop, alter) and does not
+     * throw an exception, the current transaction (if any) is committed after
+     * executing the statement.
+     *
+     * @return the update count (number of row affected by an insert, update or
+     *         delete, or 0 if no rows or the statement was a create, drop,
+     *         commit or rollback)
+     * @throws SQLException if this object is closed or invalid
      */
     public int executeUpdate() throws SQLException {
         if (command.isQuery()) {

h2/src/main/org/h2/jdbc/JdbcPreparedStatement.java

@@ -59,8 +59,8 @@ import java.sql.SQLXML;
  */
 public class JdbcPreparedStatement extends JdbcStatement implements PreparedStatement {
 
-    private final String sqlStatement;
     protected CommandInterface command;
+    private final String sqlStatement;
     private ArrayList<Value[]> batchParameters;
 
     JdbcPreparedStatement(JdbcConnection conn, String sql, int id, int resultSetType,
@@ -106,13 +106,15 @@ public class JdbcPreparedStatement extends JdbcStatement implements PreparedStat
     }
 
     /**
-     * Executes a statement (insert, update, delete, create, drop, commit,
-     * rollback) and returns the update count. If another result set exists for
-     * this statement, this will be closed (even if this statement fails).
+     * Executes a statement (insert, update, delete, create, drop)
+     * and returns the update count.
+     * If another result set exists for this statement, this will be closed
+     * (even if this statement fails).
      *
-     * If the statement is a create or drop and does not throw an exception, the
-     * current transaction (if any) is committed after executing the statement.
      * If auto commit is on, this statement will be committed.
+     * If the statement is a DDL statement (create, drop, alter) and does not
+     * throw an exception, the current transaction (if any) is committed after
+     * executing the statement.
      *
      * @return the update count (number of row affected by an insert, update or
      *         delete, or 0 if no rows or the statement was a create, drop,

h2/src/main/org/h2/jdbc/JdbcStatement.java

@@ -93,9 +93,10 @@ public class JdbcStatement extends TraceObject implements Statement {
      * If another result set exists for this statement, this will be closed
      * (even if this statement fails).
      *
-     * If the statement is a create or drop and does not throw an exception,
-     * the current transaction (if any) is committed after executing the statement.
      * If auto commit is on, this statement will be committed.
+     * If the statement is a DDL statement (create, drop, alter) and does not
+     * throw an exception, the current transaction (if any) is committed after
+     * executing the statement.
      *
      * @param sql the SQL statement
      * @return the update count (number of row affected by an insert,