/**
* Checks that the first column returned by a query has the expected type. For example,
*
* <blockquote>
*
* <code>checkQueryType("SELECT empno FROM Emp", "INTEGER NOT
* NULL");</code>
*
* </blockquote>
*
* @param sql Query
* @param expected Expected type, including nullability
*/
public final void checkIntervalConv(String sql, String expected) {
tester.checkIntervalConv(SqlTesterImpl.buildQuery(sql), expected);
}
/** Checks that a SQL expression gives a particular error. */
public final void checkExpFails(String sql, String expected) {
tester.assertExceptionIsThrown(SqlTesterImpl.buildQuery(sql), expected);
}
public final void checkExpType(String sql, String expected) {
checkColumnType(SqlTesterImpl.buildQuery(sql), expected);
}
public void checkExp(String sql) {
tester.assertExceptionIsThrown(SqlTesterImpl.buildQuery(sql), null);
}