tester.addEqualityGroup(Key.of(), Key.newBuilder().build()); Key.newBuilder().append((Boolean) null).build(), Key.newBuilder().append((Long) null).build(), Key.newBuilder().append((Double) null).build(), Key.newBuilder().append((String) null).build(), Key.newBuilder().append((ByteArray) null).build(), Key.newBuilder().append((Timestamp) null).build(), Key.newBuilder().append((Date) null).build(), Key.newBuilder().appendObject(null).build()); tester.addEqualityGroup(Key.of(true), Key.newBuilder().append(true).build()); tester.addEqualityGroup(Key.of(false), Key.newBuilder().append(false).build()); tester.addEqualityGroup(Key.of(1), Key.of(1L), Key.newBuilder().append(1).build()); tester.addEqualityGroup(Key.of(2), Key.of(2L), Key.newBuilder().append(2).build()); tester.addEqualityGroup(Key.of(1, 2)); tester.addEqualityGroup(Key.of(1.0f), Key.of(1.0d), Key.newBuilder().append(1.0).build()); tester.addEqualityGroup(Key.of(2.0f), Key.of(2.0d), Key.newBuilder().append(2.0).build()); tester.addEqualityGroup(Key.of("a"), Key.newBuilder().append("a").build()); tester.addEqualityGroup(Key.of("a", "b", "c")); tester.addEqualityGroup( Key.of(ByteArray.copyFrom("a")), Key.newBuilder().append(ByteArray.copyFrom("a")).build()); Timestamp t = Timestamp.parseTimestamp("2015-09-15T00:00:00Z"); tester.addEqualityGroup(Key.of(t), Key.newBuilder().append(t).build()); Date d = Date.parseDate("2016-09-15"); tester.addEqualityGroup(Key.of(d), Key.newBuilder().append(d).build()); tester.addEqualityGroup(Key.of("a", 2, null));
String date = "2015-09-15"; Key k = Key.newBuilder() .append((Boolean) null) .append(true)
static void deleteExampleData(DatabaseClient dbClient) { List<Mutation> mutations = new ArrayList<>(); // KeySet.all() can be used to delete all the rows in a table. mutations.add(Mutation.delete("Albums", KeySet.all())); // KeySet.singleKey() can be used to delete one row at a time. for (Singer singer : SINGERS) { mutations.add( Mutation.delete("Singers", KeySet.singleKey(Key.newBuilder().append(singer.singerId).build()))); } dbClient.write(mutations); System.out.printf("Records deleted.\n"); } // [END spanner_delete_data]
@Override public Key convertToKey(Object key) { Assert.notNull(key, "Key of an entity to be written cannot be null!"); Key k; boolean isIterable = Iterable.class.isAssignableFrom(key.getClass()); boolean isArray = Object[].class.isAssignableFrom(key.getClass()); if ((isIterable || isArray) && !ByteArray.class.isAssignableFrom(key.getClass())) { Key.Builder kb = Key.newBuilder(); for (Object keyPart : (isArray ? (Arrays.asList((Object[]) key)) : ((Iterable) key))) { kb.appendObject(convertKeyPart(keyPart)); } k = kb.build(); if (k.size() == 0) { throw new SpannerDataException( "A key must have at least one component, but 0 were given."); } } else { k = Key.class.isAssignableFrom(key.getClass()) ? (Key) key : Key.of(convertKeyPart(key)); } return k; }
@Override public Key convertToKey(Object key) { Assert.notNull(key, "Key of an entity to be written cannot be null!"); Key k; boolean isIterable = Iterable.class.isAssignableFrom(key.getClass()); boolean isArray = Object[].class.isAssignableFrom(key.getClass()); if ((isIterable || isArray) && !ByteArray.class.isAssignableFrom(key.getClass())) { Key.Builder kb = Key.newBuilder(); for (Object keyPart : (isArray ? (Arrays.asList((Object[]) key)) : ((Iterable) key))) { kb.appendObject(convertKeyPart(keyPart)); } k = kb.build(); if (k.size() == 0) { throw new SpannerDataException( "A key must have at least one component, but 0 were given."); } } else { k = Key.class.isAssignableFrom(key.getClass()) ? (Key) key : Key.of(convertKeyPart(key)); } return k; }
Mutation range = Mutation.delete( "test", KeySet.range(KeyRange.openOpen(Key.of(1L), Key.newBuilder().build()))); MutationGroup[] mutationGroups = new MutationGroup[] {
Mutation range = Mutation.delete( "test", KeySet.range(KeyRange.openOpen(Key.of(1L), Key.newBuilder().build()))); MutationGroup[] mutationGroups = new MutationGroup[] {