Examples with VarcharToIntegerNumberCoercer com.facebook.presto.hive.HiveCoercer.VarcharToIntegerNumberCoercer used on opensource projects

Example 1 with VarcharToIntegerNumberCoercer

use of com.facebook.presto.hive.HiveCoercer.VarcharToIntegerNumberCoercer in project presto by prestodb.

the class TestCoercingFilters method testVarcharToInteger.

@Test
public void testVarcharToInteger() {
    TupleDomainFilter filter = BigintRange.of(100, Integer.MAX_VALUE, false);
    HiveCoercer coercer = new VarcharToIntegerNumberCoercer(VARCHAR, INTEGER);
    TupleDomainFilter coercingFilter = coercer.toCoercingFilter(filter, new Subfield("c"));
    assertTrue(coercingFilter.testLength(1));
    assertTrue(coercingFilter.testLength(2));
    assertTrue(coercingFilter.testLength(3));
    assertTrue(coercingFilter.testBytes("100".getBytes(), 0, 3));
    assertTrue(coercingFilter.testBytes("145".getBytes(), 0, 3));
    assertTrue(coercingFilter.testBytes("2147483647".getBytes(), 0, 10));
    assertFalse(coercingFilter.testBytes("50".getBytes(), 0, 2));
    assertFalse(coercingFilter.testBytes("-50".getBytes(), 0, 3));
    // parsing error
    assertFalse(coercingFilter.testBytes("abc".getBytes(), 0, 3));
    // out of range
    assertFalse(coercingFilter.testBytes("2147483648".getBytes(), 0, 10));
    assertFalse(coercingFilter.testNull());
}