Examples with Struct com.google.cloud.spanner.Struct used on opensource projects

Example 66 with Struct

use of com.google.cloud.spanner.Struct in project google-cloud-java by GoogleCloudPlatform.

the class ITQueryTest method bindFloat64Null.

@Test
public void bindFloat64Null() {
    Struct row = execute(Statement.newBuilder("SELECT @v").bind("v").to((Double) null), Type.float64());
    assertThat(row.isNull(0)).isTrue();
}

Example 67 with Struct

use of com.google.cloud.spanner.Struct in project google-cloud-java by GoogleCloudPlatform.

the class ITTransactionTest method userExceptionIsSpannerException.

@Test
public void userExceptionIsSpannerException() {
    final String key = uniqueKey();
    TransactionCallable<Void> callable = new TransactionCallable<Void>() {

        @Override
        public Void run(TransactionContext transaction) {
            transaction.buffer(Mutation.newInsertOrUpdateBuilder("T").set("K").to(key).build());
            throw newSpannerException(ErrorCode.OUT_OF_RANGE, "User failure");
        }
    };
    try {
        client.readWriteTransaction().run(callable);
        fail("Expected user exception");
    } catch (SpannerException e) {
        assertThat(e.getErrorCode()).isEqualTo(ErrorCode.OUT_OF_RANGE);
        assertThat(e.getMessage()).contains("User failure");
    }
    Struct row = client.singleUse(TimestampBound.strong()).readRow("T", Key.of(key), Arrays.asList("K"));
    assertThat(row).isNull();
}

Example 68 with Struct

use of com.google.cloud.spanner.Struct in project google-cloud-java by GoogleCloudPlatform.

the class ITWriteTest method writeInt64ArrayEmpty.

@Test
public void writeInt64ArrayEmpty() {
    write(baseInsert().set("Int64ArrayValue").toInt64Array(new long[] {}).build());
    Struct row = readLastRow("Int64ArrayValue");
    assertThat(row.isNull(0)).isFalse();
    assertThat(row.getLongList(0)).containsExactly();
}

Example 69 with Struct

use of com.google.cloud.spanner.Struct in project google-cloud-java by GoogleCloudPlatform.

the class ITWriteTest method writeStringArray.

@Test
public void writeStringArray() {
    write(baseInsert().set("StringArrayValue").toStringArray(Arrays.asList("a", null, "b")).build());
    Struct row = readLastRow("StringArrayValue");
    assertThat(row.isNull(0)).isFalse();
    assertThat(row.getStringList(0)).containsExactly("a", null, "b").inOrder();
}

Example 70 with Struct

use of com.google.cloud.spanner.Struct in project google-cloud-java by GoogleCloudPlatform.

the class ITWriteTest method writeDate.

@Test
public void writeDate() {
    Date date = Date.parseDate("2016-09-15");
    write(baseInsert().set("DateValue").to(date).build());
    Struct row = readLastRow("DateValue");
    assertThat(row.isNull(0)).isFalse();
    assertThat(row.getDate(0)).isEqualTo(date);
}