use of com.palantir.atlasdb.transaction.api.TransactionSerializableConflictException in project atlasdb by palantir.
the class AbstractSerializableTransactionTest method testColumnRangeReadWriteConflictOnNewCell.
@Test
public void testColumnRangeReadWriteConflictOnNewCell() {
byte[] row = PtBytes.toBytes("row1");
writeColumns();
Transaction t1 = startTransaction();
Map<byte[], BatchingVisitable<Map.Entry<Cell, byte[]>>> columnRange = t1.getRowsColumnRange(TEST_TABLE, ImmutableList.of(row), BatchColumnRangeSelection.create(PtBytes.EMPTY_BYTE_ARRAY, PtBytes.EMPTY_BYTE_ARRAY, 1));
// Serializable transaction records only the first column as read.
Map.Entry<Cell, byte[]> read = BatchingVisitables.getFirst(Iterables.getOnlyElement(columnRange.values()));
assertEquals(Cell.create(row, PtBytes.toBytes("col0")), read.getKey());
// Write to avoid the read only path.
put(t1, "row1_1", "col0", "v0");
Transaction t2 = startTransaction();
// Write on the start of the range.
put(t2, "row1", "col", "v");
t2.commit();
try {
t1.commit();
fail();
} catch (TransactionSerializableConflictException e) {
// expected
}
}
use of com.palantir.atlasdb.transaction.api.TransactionSerializableConflictException in project atlasdb by palantir.
the class AbstractSerializableTransactionTest method testCellReadWriteFailure2.
@Test
public void testCellReadWriteFailure2() {
String initialValue = "100";
Transaction t0 = startTransaction();
put(t0, "row1", "col1", initialValue);
put(t0, "row2", "col1", initialValue);
t0.commit();
Transaction t1 = startTransaction();
BatchingVisitables.copyToList(t1.getRange(TEST_TABLE, RangeRequest.builder().build()));
put(t1, "row22", "col1", initialValue);
Transaction t2 = startTransaction();
put(t2, "row2", "col1", "101");
t2.commit();
try {
t1.commit();
fail();
} catch (TransactionSerializableConflictException e) {
// this is expectecd to throw because it is a write skew
}
}
use of com.palantir.atlasdb.transaction.api.TransactionSerializableConflictException in project atlasdb by palantir.
the class AbstractSerializableTransactionTest method testLargerCycleWithReadOnly.
@Test
public void testLargerCycleWithReadOnly() {
String initialValue = "100";
String newValue = "101";
String newValue2 = "102";
Transaction t0 = startTransaction();
put(t0, "row1", "col1", initialValue);
put(t0, "row2", "col1", initialValue);
t0.commit();
Transaction t1 = startTransaction();
put(t1, "row1", "col1", newValue);
Transaction t2 = startTransaction();
String row1Get = get(t2, "row1", "col1");
assertEquals(initialValue, row1Get);
put(t2, "row2", "col1", row1Get);
t1.commit();
Transaction t3 = startTransaction();
put(t3, "row1", "col1", newValue2);
t3.commit();
Transaction readOnly = startTransaction();
assertEquals(newValue2, get(readOnly, "row1", "col1"));
assertEquals(initialValue, get(readOnly, "row2", "col1"));
try {
t2.commit();
fail();
} catch (TransactionSerializableConflictException e) {
// this is expectecd to throw because it is a write skew
}
}
use of com.palantir.atlasdb.transaction.api.TransactionSerializableConflictException in project atlasdb by palantir.
the class AbstractSerializableTransactionTest method testCellReadWriteFailure.
@Test
public void testCellReadWriteFailure() {
String initialValue = "100";
Transaction t0 = startTransaction();
put(t0, "row1", "col1", initialValue);
put(t0, "row2", "col1", initialValue);
t0.commit();
Transaction t1 = startTransaction();
BatchingVisitables.copyToList(t1.getRange(TEST_TABLE, RangeRequest.builder().build()));
put(t1, "row22", "col1", initialValue);
Transaction t2 = startTransaction();
put(t2, "row3", "col1", initialValue);
t2.commit();
try {
t1.commit();
fail();
} catch (TransactionSerializableConflictException e) {
// this is expectecd to throw because it is a write skew
}
}
use of com.palantir.atlasdb.transaction.api.TransactionSerializableConflictException in project atlasdb by palantir.
the class AbstractSerializableTransactionTest method testColumnRangeReadWriteConflict.
@Test
public void testColumnRangeReadWriteConflict() {
byte[] row = PtBytes.toBytes("row1");
writeColumns();
Transaction t1 = startTransaction();
Map<byte[], BatchingVisitable<Map.Entry<Cell, byte[]>>> columnRange = t1.getRowsColumnRange(TEST_TABLE, ImmutableList.of(row), BatchColumnRangeSelection.create(PtBytes.EMPTY_BYTE_ARRAY, PtBytes.EMPTY_BYTE_ARRAY, 1));
// Serializable transaction records only the first column as read.
Map.Entry<Cell, byte[]> read = BatchingVisitables.getFirst(Iterables.getOnlyElement(columnRange.values()));
assertEquals(Cell.create(row, PtBytes.toBytes("col0")), read.getKey());
// Write to avoid the read only path.
put(t1, "row1_1", "col0", "v0");
Transaction t2 = startTransaction();
put(t2, "row1", "col0", "v0_0");
t2.commit();
try {
t1.commit();
fail();
} catch (TransactionSerializableConflictException e) {
// expected
}
}
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