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Posted to issues@spark.apache.org by "Kousuke Saruta (Jira)" <ji...@apache.org> on 2021/08/12 07:30:00 UTC
[jira] [Created] (SPARK-36491) Make from_json/to_json to handle
timestamp_ntz type properly
Kousuke Saruta created SPARK-36491:
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Summary: Make from_json/to_json to handle timestamp_ntz type properly
Key: SPARK-36491
URL: https://issues.apache.org/jira/browse/SPARK-36491
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.3.0
Reporter: Kousuke Saruta
Assignee: Kousuke Saruta
In the current master, to_json/from_json can handle timestamp type like as follows.
{code:java}
SELECT to_json(map("a", TIMESTAMP"2021-11-23 11:22:33"));
{"a":"2021-11-23T11:22:33.000+09:00"}
{code}
{code:java}
SELECT from_json('{"a":"2021-11-23 11:22:33"}', "a TIMESTAMP");
{"a":2021-11-23 11:22:33}
{code}
But they cannot handle timestamp_ntz type properly.
{code:java}
SELECT to_json(map("a", TIMESTAMP_NTZ"2021-11-23 11:22:33"));
21/08/12 16:14:07 ERROR SparkSQLDriver: Failed in [SELECT to_json(map("a", TIMESTAMP_NTZ"2021-11-23 11:22:33"))]
java.lang.RuntimeException: Failed to convert value 1637666553000000 (class of class java.lang.Long) with the type of TimestampNTZType to JSON.
at org.apache.spark.sql.errors.QueryExecutionErrors$.failToConvertValueToJsonError(QueryExecutionErrors.scala:294)
at org.apache.spark.sql.catalyst.json.JacksonGenerator.$anonfun$makeWriter$25(JacksonGenerator.scala:201)
at org.apache.spark.sql.catalyst.json.JacksonGenerator.$anonfun$makeWriter$25$adapted(JacksonGenerator.scala:199)
at org.apache.spark.sql.catalyst.json.JacksonGenerator.writeMapData(JacksonGenerator.scala:253)
at org.apache.spark.sql.catalyst.json.JacksonGenerator.$anonfun$write$3(JacksonGenerator.scala:293)
at org.apache.spark.sql.catalyst.json.JacksonGenerator.writeObject(JacksonGenerator.scala:206)
at org.apache.spark.sql.catalyst.json.JacksonGenerator.write(JacksonGenerator.scala:292)
{code}
{code:java}
SELECT from_json('{"a":"2021-11-23 11:22:33"}', "a TIMESTAMP_NTZ");
21/08/12 16:16:00 ERROR SparkSQLDriver: Failed in [SELECT from_json('{"a":"2021-11-23 11:22:33"}', "a TIMESTAMP_NTZ")]
java.lang.Exception: Unsupported type: timestamp_ntz
at org.apache.spark.sql.errors.QueryExecutionErrors$.unsupportedTypeError(QueryExecutionErrors.scala:777)
at org.apache.spark.sql.catalyst.json.JacksonParser.makeConverter(JacksonParser.scala:339)
at org.apache.spark.sql.catalyst.json.JacksonParser.$anonfun$makeConverter$17(JacksonParser.scala:313)
{code}
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