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‎sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryTimestampPicosIT.java‎

Lines changed: 55 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -59,8 +59,11 @@ public class BigQueryTimestampPicosIT {
5959
/**
6060
* Input rows with timestamp columns at different precisions. Each row contains: - ts_picos: full
6161
* picosecond precision (12 digits) in ISO format - ts_nanos: nanosecond precision (9 digits) in
62-
* UTC format - ts_micros: microsecond precision (6 digits) in UTC format - ts_millis: millisecond
63-
* precision (3 digits) in UTC format
62+
* UTC format (limited to int64 nanos range) - ts_micros: microsecond precision (6 digits) in UTC
63+
* format - ts_millis: millisecond precision (3 digits) in UTC format
64+
*
65+
* <p>Note: ts_nanos uses dates within int64 nanoseconds-since-epoch bounds (~1677-09-21 to
66+
* ~2262-04-11) since Avro/Arrow use int64 for nanos timestamps.
6467
*/
6568
private static final List<TableRow> INPUT_ROWS =
6669
ImmutableList.of(
@@ -76,7 +79,7 @@ public class BigQueryTimestampPicosIT {
7679
.set("ts_millis", "2024-01-15 10:30:45.001 UTC"),
7780
new TableRow()
7881
.set("ts_picos", "0001-01-01T10:30:45.999999999999Z")
79-
.set("ts_nanos", "0001-01-01 10:30:45.999999999 UTC")
82+
.set("ts_nanos", "1677-09-21 00:12:43.145224192 UTC")
8083
.set("ts_micros", "0001-01-01 10:30:45.999999 UTC")
8184
.set("ts_millis", "0001-01-01 10:30:45.999 UTC"),
8285
new TableRow()
@@ -86,7 +89,7 @@ public class BigQueryTimestampPicosIT {
8689
.set("ts_millis", "1970-01-01 00:00:00.001 UTC"),
8790
new TableRow()
8891
.set("ts_picos", "9999-12-31T23:59:59.999999999999Z")
89-
.set("ts_nanos", "9999-12-31 23:59:59.999999999 UTC")
92+
.set("ts_nanos", "2262-04-11 23:47:16.854775807 UTC")
9093
.set("ts_micros", "9999-12-31 23:59:59.999999 UTC")
9194
.set("ts_millis", "9999-12-31 23:59:59.999 UTC"));
9295

@@ -103,9 +106,9 @@ public class BigQueryTimestampPicosIT {
103106
ImmutableList.of(
104107
"2024-01-15T10:30:45.123456789000Z",
105108
"2024-01-15T10:30:45.000000001000Z",
106-
"0001-01-01T10:30:45.999999999000Z",
109+
"1677-09-21T00:12:43.145224192000Z",
107110
"1970-01-01T00:00:00.000000001000Z",
108-
"9999-12-31T23:59:59.999999999000Z");
111+
"2262-04-11T23:47:16.854775807000Z");
109112

110113
private static final List<String> EXPECTED_TS_MICROS_AT_PICOS =
111114
ImmutableList.of(
@@ -136,9 +139,9 @@ public class BigQueryTimestampPicosIT {
136139
ImmutableList.of(
137140
"2024-01-15 10:30:45.123456789 UTC",
138141
"2024-01-15 10:30:45.000000001 UTC",
139-
"0001-01-01 10:30:45.999999999 UTC",
142+
"1677-09-21 00:12:43.145224192 UTC",
140143
"1970-01-01 00:00:00.000000001 UTC",
141-
"9999-12-31 23:59:59.999999999 UTC");
144+
"2262-04-11 23:47:16.854775807 UTC");
142145

143146
private static final List<String> EXPECTED_TS_MICROS_AT_NANOS =
144147
ImmutableList.of(
@@ -169,9 +172,9 @@ public class BigQueryTimestampPicosIT {
169172
ImmutableList.of(
170173
"2024-01-15 10:30:45.123456 UTC",
171174
"2024-01-15 10:30:45.000000 UTC",
172-
"0001-01-01 10:30:45.999999 UTC",
175+
"1677-09-21 00:12:43.145224 UTC",
173176
"1970-01-01 00:00:00.000000 UTC",
174-
"9999-12-31 23:59:59.999999 UTC");
177+
"2262-04-11 23:47:16.854775 UTC");
175178

176179
private static final List<String> EXPECTED_TS_MICROS_AT_MICROS =
177180
ImmutableList.of(
@@ -189,6 +192,40 @@ public class BigQueryTimestampPicosIT {
189192
"1970-01-01 00:00:00.001000 UTC",
190193
"9999-12-31 23:59:59.999000 UTC");
191194

195+
// Expected values when read at MICROS precision with ARROW format (truncated to millis due to
196+
// known issue)
197+
private static final List<String> EXPECTED_TS_PICOS_AT_MICROS_ARROW =
198+
ImmutableList.of(
199+
"2024-01-15 10:30:45.123000 UTC",
200+
"2024-01-15 10:30:45.000000 UTC",
201+
"0001-01-01 10:30:45.999000 UTC",
202+
"1970-01-01 00:00:00.000000 UTC",
203+
"9999-12-31 23:59:59.999000 UTC");
204+
205+
private static final List<String> EXPECTED_TS_NANOS_AT_MICROS_ARROW =
206+
ImmutableList.of(
207+
"2024-01-15 10:30:45.123000 UTC",
208+
"2024-01-15 10:30:45.000000 UTC",
209+
"1677-09-21 00:12:43.145000 UTC",
210+
"1970-01-01 00:00:00.000000 UTC",
211+
"2262-04-11 23:47:16.854000 UTC");
212+
213+
private static final List<String> EXPECTED_TS_MICROS_AT_MICROS_ARROW =
214+
ImmutableList.of(
215+
"2024-01-15 10:30:45.123000 UTC",
216+
"2024-01-15 10:30:45.000000 UTC",
217+
"0001-01-01 10:30:45.999000 UTC",
218+
"1970-01-01 00:00:00.000000 UTC",
219+
"9999-12-31 23:59:59.999000 UTC");
220+
221+
private static final List<String> EXPECTED_TS_MILLIS_AT_MICROS_ARROW =
222+
ImmutableList.of(
223+
"2024-01-15 10:30:45.123000 UTC",
224+
"2024-01-15 10:30:45.001000 UTC",
225+
"0001-01-01 10:30:45.999000 UTC",
226+
"1970-01-01 00:00:00.001000 UTC",
227+
"9999-12-31 23:59:59.999000 UTC");
228+
192229
@BeforeClass
193230
public static void setup() throws Exception {
194231
bqOptions = TestPipeline.testingPipelineOptions().as(TestBigQueryOptions.class);
@@ -235,15 +272,15 @@ private static TableSchema multiPrecisionSchema() {
235272
new TableFieldSchema()
236273
.setName("ts_nanos")
237274
.setType("TIMESTAMP")
238-
.setTimestampPrecision(12L),
275+
.setTimestampPrecision(9L),
239276
new TableFieldSchema()
240277
.setName("ts_micros")
241278
.setType("TIMESTAMP")
242-
.setTimestampPrecision(12L),
279+
.setTimestampPrecision(6L),
243280
new TableFieldSchema()
244281
.setName("ts_millis")
245282
.setType("TIMESTAMP")
246-
.setTimestampPrecision(12L)));
283+
.setTimestampPrecision(3L)));
247284
}
248285

249286
/** Builds expected TableRows from expected values for each column. */
@@ -290,8 +327,6 @@ private void runReadTest(
290327
readPipeline.run().waitUntilFinish();
291328
}
292329

293-
// ==================== PICOS precision read tests ====================
294-
295330
@Test
296331
public void testRead_Picos_Avro() {
297332
List<TableRow> expected =
@@ -314,8 +349,6 @@ public void testRead_Picos_Arrow() {
314349
runReadTest(TimestampPrecision.PICOS, DataFormat.ARROW, expected);
315350
}
316351

317-
// ==================== NANOS precision read tests ====================
318-
319352
@Test
320353
public void testRead_Nanos_Avro() {
321354
List<TableRow> expected =
@@ -338,8 +371,6 @@ public void testRead_Nanos_Arrow() {
338371
runReadTest(TimestampPrecision.NANOS, DataFormat.ARROW, expected);
339372
}
340373

341-
// ==================== MICROS precision read tests ====================
342-
343374
@Test
344375
public void testRead_Micros_Avro() {
345376
List<TableRow> expected =
@@ -353,12 +384,13 @@ public void testRead_Micros_Avro() {
353384

354385
@Test
355386
public void testRead_Micros_Arrow() {
387+
// Arrow micros has a known issue where values are truncated to milliseconds
356388
List<TableRow> expected =
357389
buildExpectedRows(
358-
EXPECTED_TS_PICOS_AT_MICROS,
359-
EXPECTED_TS_NANOS_AT_MICROS,
360-
EXPECTED_TS_MICROS_AT_MICROS,
361-
EXPECTED_TS_MILLIS_AT_MICROS);
390+
EXPECTED_TS_PICOS_AT_MICROS_ARROW,
391+
EXPECTED_TS_NANOS_AT_MICROS_ARROW,
392+
EXPECTED_TS_MICROS_AT_MICROS_ARROW,
393+
EXPECTED_TS_MILLIS_AT_MICROS_ARROW);
362394
runReadTest(TimestampPrecision.MICROS, DataFormat.ARROW, expected);
363395
}
364396
}

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