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Posted to issues@flink.apache.org by "Rong Rong (JIRA)" <ji...@apache.org> on 2017/11/08 22:40:00 UTC
[jira] [Updated] (FLINK-8038) Support MAP value constructor
[ https://issues.apache.org/jira/browse/FLINK-8038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rong Rong updated FLINK-8038:
-----------------------------
Description:
Similar to https://issues.apache.org/jira/browse/FLINK-4554
We want to support Map value constructor which is supported by Calcite:
https://calcite.apache.org/docs/reference.html#value-constructors
{code:sql}
SELECT
MAP['key1', f0, 'key2', f1] AS stringKeyedMap,
MAP['key', 'value'] AS literalMap,
MAP[f0, f1] AS fieldMap
FROM
table
{code}
This should enable users to construct MapTypeInfo, one of the CompositeType.
was:
Similar to https://issues.apache.org/jira/browse/FLINK-4554
We want to support Map literals which is supported by Calcite:
https://calcite.apache.org/docs/reference.html#value-constructors
{code:sql}
SELECT
MAP['key1', f0, 'key2', f1] AS stringKeyedMap,
MAP['key', 'value'] AS literalMap,
MAP[f0, f1] AS fieldMap
FROM
table
{code}
This should enable users to construct MapTypeInfo, one of the CompositeType.
> Support MAP value constructor
> -----------------------------
>
> Key: FLINK-8038
> URL: https://issues.apache.org/jira/browse/FLINK-8038
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: Rong Rong
> Assignee: Rong Rong
>
> Similar to https://issues.apache.org/jira/browse/FLINK-4554
> We want to support Map value constructor which is supported by Calcite:
> https://calcite.apache.org/docs/reference.html#value-constructors
> {code:sql}
> SELECT
> MAP['key1', f0, 'key2', f1] AS stringKeyedMap,
> MAP['key', 'value'] AS literalMap,
> MAP[f0, f1] AS fieldMap
> FROM
> table
> {code}
> This should enable users to construct MapTypeInfo, one of the CompositeType.
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