Jeyhun Karimov created FLINK-34459:
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Summary: Results column names should match SELECT clause
expression names
Key: FLINK-34459
URL: https://issues.apache.org/jira/browse/FLINK-34459
Project: Flink
Issue Type: Improvement
Components: Table SQL / Client
Affects Versions: 1.18.1
Reporter: Jeyhun Karimov
When printing {{SQL SELECT}} results, Flink will output generated expression
name when the expression type is not {{column reference or alias or over.}}
For example, select a, a + 1 from T would result in
{code:java}
+----+-------------+-------------+
| op | a | EXPR$1 |
+----+-------------+-------------+
| +I | 1 | 2 |
| +I | 1 | 2 |
| +I | 1 | 2 |
+----+-------------+-------------+
{code}
Instead of the generated {{EXPR$1}} it would be nice to have {{a + 1}} (which
is the case in some other data processing systems like Spark).
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