Sergey Nuyanzin created FLINK-9696:
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Summary: Deep toString for arrays/map in SQL client
Key: FLINK-9696
URL: https://issues.apache.org/jira/browse/FLINK-9696
Project: Flink
Issue Type: Bug
Reporter: Sergey Nuyanzin
Assignee: Sergey Nuyanzin
Currently SQL client does not show arrays/map in human readable way (please
have a look at examples below). e.g. {code}select map[1,2];{code} is shown as
{noformat} +/- EXPR$0
+ java.util.HashMap
{noformat}
{code}select array[1,2];{code} is shown as {noformat}
+/- EXPR$0
+ java.lang.Integer[]
{noformat}
{code}select array[map[1,2],map[2,2]];{code} is shown as {noformat} +/-
EXPR$0
+ java.util.Map[]{noformat}
{code}select map[array[1,2], array[1,2]];{code} is shown as {noformat} +/-
EXPR$0
+ java.util.HashMap{noformat}
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