/** Increment the buffer size for the list. */
private final void resize() throws SQLException {
int newsize = data.length << 1;
if (newsize > 0xFFFFFF) { // see pointerSize
newsize = 0xFFFFFF;
if (newsize == data.length) throw SmallSQLException.create(Language.INDEX_TOOMANY_EQUALS);
}
byte[] temp = new byte[newsize];
System.arraycopy(data, 0, temp, 0, data.length);
data = temp;
}
final void setNeedGeneratedKeys(int autoGeneratedKeys) throws SQLException {
switch (autoGeneratedKeys) {
case NO_GENERATED_KEYS:
break;
case RETURN_GENERATED_KEYS:
needGeneratedKeys = true;
break;
default:
throw SmallSQLException.create(
Language.ARGUMENT_INVALID, String.valueOf(autoGeneratedKeys));
}
}
public final boolean getMoreResults(int current) throws SQLException {
switch (current) {
case CLOSE_ALL_RESULTS:
// currently there exists only one ResultSet
case CLOSE_CURRENT_RESULT:
ResultSet rs = cmd.getResultSet();
cmd.rs = null;
if (rs != null) rs.close();
break;
case KEEP_CURRENT_RESULT:
break;
default:
throw SmallSQLException.create(Language.FLAGVALUE_INVALID, String.valueOf(current));
}
return cmd.getMoreResults();
}
private final void executeImpl(String sql) throws SQLException {
checkStatement();
generatedKeys = null;
try {
con.log.println(sql);
SQLParser parser = new SQLParser();
cmd = parser.parse(con, sql);
if (maxRows != 0 && (cmd.getMaxRows() == -1 || cmd.getMaxRows() > maxRows))
cmd.setMaxRows(maxRows);
cmd.execute(con, this);
} catch (Exception e) {
throw SmallSQLException.createFromException(e);
}
needGeneratedKeys = false;
generatedKeyIndexes = null;
generatedKeyNames = null;
}
void checkStatement() throws SQLException {
if (isClosed) {
throw SmallSQLException.create(Language.STMT_IS_CLOSED);
}
}
public final ResultSet getGeneratedKeys() throws SQLException {
if (generatedKeys == null) throw SmallSQLException.create(Language.GENER_KEYS_UNREQUIRED);
return generatedKeys;
}
public final void setCursorName(String name) throws SQLException {
/** @todo: Implement this java.sql.Statement.setCursorName method */
throw SmallSQLException.create(Language.UNSUPPORTED_OPERATION, "setCursorName");
}
public final void setMaxRows(int max) throws SQLException {
if (max < 0) throw SmallSQLException.create(Language.ROWS_WRONG_MAX, String.valueOf(max));
maxRows = max;
}
/**
* Create a SQLException that the current function can not convert the specific data type.
*
* @param dataType A data type const from SQLTokenizer.
*/
SQLException createUnspportedConversion(int dataType) {
Object[] params = {SQLTokenizer.getKeyWord(dataType), SQLTokenizer.getKeyWord(getFunction())};
return SmallSQLException.create(Language.UNSUPPORTED_CONVERSION_FUNC, params);
}
/**
* Create a SQLException that the current function does not support the specific data type.
*
* @param dataType A data type const from SQLTokenizer.
*/
SQLException createUnspportedDataType(int dataType) {
Object[] params = {SQLTokenizer.getKeyWord(dataType), SQLTokenizer.getKeyWord(getFunction())};
return SmallSQLException.create(Language.UNSUPPORTED_DATATYPE_FUNC, params);
}
void setPrecision(int precision) throws SQLException {
if (precision < 0)
throw SmallSQLException.create(
Language.COL_INVALID_SIZE, new Object[] {new Integer(precision), name});
this.precision = precision;
}