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https://issues.apache.org/jira/browse/FLINK-27015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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luoyuxia updated FLINK-27015:
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Description:
In hive, it's support to cast timestamp to decimal implictly with following sql:
{code:java}
create table t1 (c1 DECIMAL(38,6));
create table t2 (c2 TIMESTAMP);
insert into t1 select * from t2;
-- or
select cast(cast('2012-12-19 11:12:19.1234567' as timestamp) as
decimal(30,8)){code}
But it'll throw exception "The cast conversion from TIMESTAMP type to NUMERIC
type is not allowed" with Hive dialect in Flink.
was:
In hive, it's support to cast timestamp to decimal implictly with following sql:
{code:java}
create table t1 (c1 DECIMAL(38,6));
create table t2 (c2 TIMESTAMP);
insert into t1 select * from t2;{code}
But it'll throw exception "The cast conversion from TIMESTAMP type to NUMERIC
type is not allowed" with Hive dialect in Flink.
> Hive dialect supports cast timestamp to decimal
> -----------------------------------------------
>
> Key: FLINK-27015
> URL: https://issues.apache.org/jira/browse/FLINK-27015
> Project: Flink
> Issue Type: Sub-task
> Reporter: luoyuxia
> Priority: Major
>
> In hive, it's support to cast timestamp to decimal implictly with following
> sql:
> {code:java}
> create table t1 (c1 DECIMAL(38,6));
> create table t2 (c2 TIMESTAMP);
> insert into t1 select * from t2;
> -- or
> select cast(cast('2012-12-19 11:12:19.1234567' as timestamp) as
> decimal(30,8)){code}
> But it'll throw exception "The cast conversion from TIMESTAMP type to NUMERIC
> type is not allowed" with Hive dialect in Flink.
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