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[FLINK-39244][table] Support precision 0-9 for TO_TIMESTAMP_LTZ function #27757

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[FLINK-39244][table] Support precision 0-9 for TO_TIMESTAMP_LTZ function #27757

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50d8433
[FLINK-39244][table] Support precision 0-9 for TO_TIMESTAMP_LTZ function
raminqaf Mar 11, 2026
eb54162
[FLINK-39244][table] Fix TemporalTypesTest
raminqaf Mar 12, 2026
4352f9e
[FLINK-39244][table] fix CliClientITCase test
raminqaf Mar 12, 2026
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2 changes: 1 addition & 1 deletion docs/data/sql_functions.yml
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Expand Up @@ -687,7 +687,7 @@ temporal:
description: Converts a date string string1 with format string2 (by default 'yyyy-MM-dd') to a date.
- sql: TO_TIMESTAMP_LTZ(numeric[, precision])
table: toTimestampLtz(NUMERIC, PRECISION)
description: Converts an epoch seconds or epoch milliseconds to a TIMESTAMP_LTZ, the valid precision is 0 or 3, the 0 represents TO_TIMESTAMP_LTZ(epochSeconds, 0), the 3 represents TO_TIMESTAMP_LTZ(epochMilliseconds, 3). If no precision is provided, the default precision is 3. If any input is null, the function will return null.
description: Converts a numeric epoch value to a TIMESTAMP_LTZ. The precision parameter (0-9) specifies the unit of the epoch value, where 0 represents seconds, 3 represents milliseconds, 6 represents microseconds, and 9 represents nanoseconds. Other values between 0 and 9 are also supported, representing 10^(-precision) seconds. If no precision is provided, the default precision is 3 (milliseconds). If any input is null, the function will return null.
- sql: TO_TIMESTAMP_LTZ(string1[, string2[, string3]])
table: toTimestampLtz(STRING1[, STRING2[, STRING3]])
description: Converts a timestamp string string1 with format string2 (by default 'yyyy-MM-dd HH:mm:ss.SSS') in time zone string3 (by default 'UTC') to a TIMESTAMP_LTZ. If any input is null, the function will return null.
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2 changes: 1 addition & 1 deletion docs/data/sql_functions_zh.yml
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Expand Up @@ -813,7 +813,7 @@ temporal:
description: 将格式为 string2（默认为 'yyyy-MM-dd'）的字符串 string1 转换为日期。
- sql: TO_TIMESTAMP_LTZ(numeric[, precision])
table: toTimestampLtz(NUMERIC, PRECISION)
description: Converts an epoch seconds or epoch milliseconds to a TIMESTAMP_LTZ, the valid precision is 0 or 3, the 0 represents TO_TIMESTAMP_LTZ(epochSeconds, 0), the 3 represents TO_TIMESTAMP_LTZ(epochMilliseconds, 3). If no precision is provided, the default precision is 3. If any input is null, the function will return null.
description: Converts a numeric epoch value to a TIMESTAMP_LTZ. The precision parameter (0-9) specifies the unit of the epoch value, where 0 represents seconds, 3 represents milliseconds, 6 represents microseconds, and 9 represents nanoseconds. Other values between 0 and 9 are also supported, representing 10^(-precision) seconds. If no precision is provided, the default precision is 3 (milliseconds). If any input is null, the function will return null.
- sql: TO_TIMESTAMP_LTZ(string1[, string2[, string3]])
table: toTimestampLtz(STRING1[, STRING2[, STRING3]])
description: Converts a timestamp string string1 with format string2 (by default 'yyyy-MM-dd HH:mm:ss.SSS') in time zone string3 (by default 'UTC') to a TIMESTAMP_LTZ. If any input is null, the function will return null.
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36 changes: 18 additions & 18 deletions flink-table/flink-sql-client/src/test/resources/sql/select.q
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Expand Up @@ -84,12 +84,12 @@ FROM (VALUES
(1, TIMESTAMP '2021-04-13 20:12:11', TIMESTAMP '2021-04-13 20:12:11.123', TIMESTAMP '2021-04-13 20:12:11.123456789'),
(2, TIMESTAMP '2021-04-13 21:12:11', TIMESTAMP '2021-04-13 21:12:11.001', TIMESTAMP '2021-04-13 21:12:11.1'))
as T(id, ts0, ts3, ts9);
+----+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| op | time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| +I | 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 08:00:01.000 | 1970-01-01 08:00:00.001 | 2021-04-13 20:12:11.123456789 |
| +I | 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 08:00:01.000 | 1970-01-01 08:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
+----+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| op | time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| +I | 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 08:00:01 | 1970-01-01 08:00:00.001 | 2021-04-13 20:12:11.123456789 |
| +I | 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 08:00:01 | 1970-01-01 08:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
Received a total of 2 rows
!ok

Expand All @@ -106,12 +106,12 @@ FROM (VALUES
(1, TIMESTAMP '2021-04-13 20:12:11', TIMESTAMP '2021-04-13 20:12:11.123', TIMESTAMP '2021-04-13 20:12:11.123456789'),
(2, TIMESTAMP '2021-04-13 21:12:11', TIMESTAMP '2021-04-13 21:12:11.001', TIMESTAMP '2021-04-13 21:12:11.1'))
as T(id, ts0, ts3, ts9);
+----+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| op | time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| +I | 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 00:00:01.000 | 1970-01-01 00:00:00.001 | 2021-04-13 20:12:11.123456789 |
| +I | 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 00:00:01.000 | 1970-01-01 00:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
+----+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| op | time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| +I | 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 00:00:01 | 1970-01-01 00:00:00.001 | 2021-04-13 20:12:11.123456789 |
| +I | 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 00:00:01 | 1970-01-01 00:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
Received a total of 2 rows
!ok

Expand Down Expand Up @@ -250,12 +250,12 @@ FROM (VALUES
(1, TIMESTAMP '2021-04-13 20:12:11', TIMESTAMP '2021-04-13 20:12:11.123', TIMESTAMP '2021-04-13 20:12:11.123456789'),
(2, TIMESTAMP '2021-04-13 21:12:11', TIMESTAMP '2021-04-13 21:12:11.001', TIMESTAMP '2021-04-13 21:12:11.1'))
as T(id, ts0, ts3, ts9);
+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 00:00:01.000 | 1970-01-01 00:00:00.001 | 2021-04-13 20:12:11.123456789 |
| 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 00:00:01.000 | 1970-01-01 00:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 00:00:01 | 1970-01-01 00:00:00.001 | 2021-04-13 20:12:11.123456789 |
| 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 00:00:01 | 1970-01-01 00:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
2 rows in set
!ok

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12 changes: 6 additions & 6 deletions flink-table/flink-sql-client/src/test/resources/sql/select_batch.q
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Expand Up @@ -50,12 +50,12 @@ FROM (VALUES
(1, TIMESTAMP '2021-04-13 20:12:11', TIMESTAMP '2021-04-13 20:12:11.123', TIMESTAMP '2021-04-13 20:12:11.123456789'),
(2, TIMESTAMP '2021-04-13 21:12:11', TIMESTAMP '2021-04-13 21:12:11.001', TIMESTAMP '2021-04-13 21:12:11.1'))
as T(id, ts0, ts3, ts9);
+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
| 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 00:00:01.000 | 1970-01-01 00:00:00.001 | 2021-04-13 20:12:11.123456789 |
| 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 00:00:01.000 | 1970-01-01 00:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----------+---------------------+-------------------------+-------------------------------+-------------------------+-------------------------+-------------------------------+
+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| time0 | ts0 | ts3 | ts9 | ts_ltz0 | ts_ltz3 | ts_ltz9 |
+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
| 20:12:11 | 2021-04-13 20:12:11 | 2021-04-13 20:12:11.123 | 2021-04-13 20:12:11.123456789 | 1970-01-01 00:00:01 | 1970-01-01 00:00:00.001 | 2021-04-13 20:12:11.123456789 |
| 20:12:11 | 2021-04-13 21:12:11 | 2021-04-13 21:12:11.001 | 2021-04-13 21:12:11.100000000 | 1970-01-01 00:00:01 | 1970-01-01 00:00:00.001 | 2021-04-13 21:12:11.100000000 |
+----------+---------------------+-------------------------+-------------------------------+---------------------+-------------------------+-------------------------------+
2 rows in set
!ok

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11 changes: 6 additions & 5 deletions ...table-common/src/main/java/org/apache/flink/table/expressions/ValueLiteralExpression.java
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Expand Up @@ -24,10 +24,12 @@
import org.apache.flink.table.types.DataType;
import org.apache.flink.table.types.inference.CallContext;
import org.apache.flink.table.types.logical.DecimalType;
import org.apache.flink.table.types.logical.LocalZonedTimestampType;
import org.apache.flink.table.types.logical.LogicalType;
import org.apache.flink.table.types.logical.LogicalTypeFamily;
import org.apache.flink.table.types.logical.LogicalTypeRoot;
import org.apache.flink.table.types.utils.ValueDataTypeConverter;
import org.apache.flink.table.utils.DateTimeUtils;
import org.apache.flink.table.utils.EncodingUtils;
import org.apache.flink.types.ColumnList;
import org.apache.flink.util.Preconditions;
Expand Down Expand Up @@ -283,11 +285,10 @@ public String asSerializableString(SqlFactory sqlFactory) {
localDateTime.toLocalTime().format(DateTimeFormatter.ISO_LOCAL_TIME));
case TIMESTAMP_WITH_LOCAL_TIME_ZONE:
final Instant instant = getValueAs(Instant.class).get();
if (instant.getNano() % 1_000_000 != 0) {
throw new TableException(
"Maximum precision for TIMESTAMP_WITH_LOCAL_TIME_ZONE literals is '3'");
}
return String.format("TO_TIMESTAMP_LTZ(%d, %d)", instant.toEpochMilli(), 3);
final int precision =
((LocalZonedTimestampType) dataType.getLogicalType()).getPrecision();
long epochValue = DateTimeUtils.toEpochValue(instant, precision);
return String.format("TO_TIMESTAMP_LTZ(%d, %d)", epochValue, precision);
case INTERVAL_YEAR_MONTH:
final Period period = getValueAs(Period.class).get().normalized();
return String.format(
Expand Down
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