xiaojin.wy created FLINK-15092:
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Summary: Using sql-client excute sql(select sum(cast(null as int))
from t123;) has a TableException
Key: FLINK-15092
URL: https://issues.apache.org/jira/browse/FLINK-15092
Project: Flink
Issue Type: Bug
Components: Table SQL / Client
Affects Versions: 1.10.0
Environment: flink master's newest code.
Reporter: xiaojin.wy
CREATE TABLE `t123` (
x INT
) WITH (
'format.field-delimiter'='|',
'connector.type'='filesystem',
'format.derive-schema'='true',
'connector.path'='hdfs://zthdev/defender_test_data/daily/test_aggregates/sources/t123.csv',
'format.type'='csv'
);
select sum(cast(null as int)) from t123;
Excute the statement above , then you will see such exception:
[ERROR] Could not execute SQL statement. Reason:
org.apache.flink.table.api.TableException: Failed to push project into table
source! table source with pushdown capability must override and change
explainSource() API to explain the pushdown applied!
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