private void validateGetSliceNoMatch(Table table) throws IOException {
ColumnFamilyStore cfStore = table.getColumnFamilyStore("Standard2");
ColumnFamily cf;
// key before the rows that exists
cf =
cfStore.getColumnFamily(
"a",
new QueryPath("Standard2"),
ArrayUtils.EMPTY_BYTE_ARRAY,
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
1);
assertColumns(cf);
// key after the rows that exist
cf =
cfStore.getColumnFamily(
"z",
new QueryPath("Standard2"),
ArrayUtils.EMPTY_BYTE_ARRAY,
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
1);
assertColumns(cf);
}
@Test
public void testGetRowSliceByRange() throws Throwable {
String key = TEST_KEY + "slicerow";
Table table = Table.open("Keyspace1");
ColumnFamilyStore cfStore = table.getColumnFamilyStore("Standard1");
RowMutation rm = new RowMutation("Keyspace1", key);
ColumnFamily cf = ColumnFamily.create("Keyspace1", "Standard1");
// First write "a", "b", "c"
cf.addColumn(column("a", "val1", 1L));
cf.addColumn(column("b", "val2", 1L));
cf.addColumn(column("c", "val3", 1L));
rm.add(cf);
rm.apply();
cf =
cfStore.getColumnFamily(
key, new QueryPath("Standard1"), "b".getBytes(), "c".getBytes(), false, 100);
assertEquals(2, cf.getColumnCount());
cf =
cfStore.getColumnFamily(
key, new QueryPath("Standard1"), "b".getBytes(), "b".getBytes(), false, 100);
assertEquals(1, cf.getColumnCount());
cf =
cfStore.getColumnFamily(
key, new QueryPath("Standard1"), "b".getBytes(), "c".getBytes(), false, 1);
assertEquals(1, cf.getColumnCount());
cf =
cfStore.getColumnFamily(
key, new QueryPath("Standard1"), "c".getBytes(), "b".getBytes(), false, 1);
assertNull(cf);
}
private void validateSliceLarge(ColumnFamilyStore cfStore) throws IOException {
String key = "row3";
ColumnFamily cf;
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
"col1000".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
3);
assertColumns(cf, "col1000", "col1001", "col1002");
assertEquals(new String(cf.getColumn("col1000".getBytes()).value()), "v1000");
assertEquals(new String(cf.getColumn("col1001".getBytes()).value()), "v1001");
assertEquals(new String(cf.getColumn("col1002".getBytes()).value()), "v1002");
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
"col1195".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
3);
assertColumns(cf, "col1195", "col1196", "col1197");
assertEquals(new String(cf.getColumn("col1195".getBytes()).value()), "v1195");
assertEquals(new String(cf.getColumn("col1196".getBytes()).value()), "v1196");
assertEquals(new String(cf.getColumn("col1197".getBytes()).value()), "v1197");
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
"col1996".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
1000);
IColumn[] columns = cf.getSortedColumns().toArray(new IColumn[0]);
for (int i = 1000; i < 1996; i++) {
String expectedName = "col" + i;
IColumn column = columns[i - 1000];
assert Arrays.equals(column.name(), expectedName.getBytes())
: cfStore.getComparator().getString(column.name()) + " is not " + expectedName;
assert Arrays.equals(column.value(), ("v" + i).getBytes());
}
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
"col1990".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
3);
assertColumns(cf, "col1990", "col1991", "col1992");
assertEquals(new String(cf.getColumn("col1990".getBytes()).value()), "v1990");
assertEquals(new String(cf.getColumn("col1991".getBytes()).value()), "v1991");
assertEquals(new String(cf.getColumn("col1992".getBytes()).value()), "v1992");
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
ArrayUtils.EMPTY_BYTE_ARRAY,
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
3);
assertColumns(cf, "col1997", "col1998", "col1999");
assertEquals(new String(cf.getColumn("col1999".getBytes()).value()), "v1999");
assertEquals(new String(cf.getColumn("col1998".getBytes()).value()), "v1998");
assertEquals(new String(cf.getColumn("col1997".getBytes()).value()), "v1997");
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
"col9000".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
true,
3);
assertColumns(cf, "col1997", "col1998", "col1999");
cf =
cfStore.getColumnFamily(
key,
new QueryPath("Standard1"),
"col9000".getBytes(),
ArrayUtils.EMPTY_BYTE_ARRAY,
false,
3);
assertColumns(cf);
}
