public PreparedStatement prepareStatement(SqlDao dao, String query) throws SQLException {
StringBuffer ret = new StringBuffer();
Matcher m = TABLE_PATTERN.matcher(query);
while (m.find()) {
m.appendReplacement(ret, dao.getDataStore().getTableName(m.group(1), true));
}
m.appendTail(ret);
return dao.prepareStatement(ret.toString());
}
public void renameTable(SqlDao dao, String oldName, String newName) throws SQLException {
final String expandedOld = dao.getDataStore().getTableName(oldName, true);
final String expandedNew = dao.getDataStore().getTableName(newName, false);
try (PreparedStatement stmt =
prepareStatement(dao, "ALTER TABLE `" + expandedOld + "` RENAME `" + expandedNew + "`")) {
/*try (PreparedStatement stmt = prepareStatement(dao, dao.getRenameTableQuery())) {
stmt.setString(1, expandedOld);
stmt.setString(2, expandedNew);*/
stmt.executeUpdate();
}
}
public String getOption(
SqlDao dao, String name, LegacyMigration.Type type, String world, String option)
throws SQLException {
try (PreparedStatement stmt = dao.prepareStatement(getSelectOptionQuery())) {
stmt.setString(1, name);
stmt.setInt(2, type.ordinal());
stmt.setString(3, option);
if (world == null) {
stmt.setNull(4, Types.VARCHAR);
} else {
stmt.setString(4, world);
}
ResultSet rs = stmt.executeQuery();
if (rs.next()) {
return rs.getString(1);
} else {
return null;
}
}
}
public boolean hasTable(SqlDao dao, String table) throws SQLException {
return dao.getConnection()
.getMetaData()
.getTables(null, null, dao.getDataStore().getTableName(table, true).toUpperCase(), null)
.next(); // Upper-case for H2
}
