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Xingcan Cui updated FLINK-34633: -------------------------------- Description: It seems that the current planner doesn't support using UNNEST on array constants.(x) {code:java} SELECT * FROM UNNEST(ARRAY[1,2,3]);{code} The following query can't be compiled.(x) {code:java} SELECT * FROM (VALUES('a')) CROSS JOIN UNNEST(ARRAY[1, 2, 3]){code} The rewritten version works. (/) {code:java} SELECT * FROM (SELECT *, ARRAY[1,2,3] AS A FROM (VALUES('a'))) CROSS JOIN UNNEST(A){code} was: It seems that the current planner doesn't support using UNNEST on array constants.(x) {code:java} SELECT * FROM UNNEST(ARRAY[1,2,3]);{code} The following query can be compiled.(x) {code:java} SELECT * FROM (VALUES('a')) CROSS JOIN UNNEST(ARRAY[1, 2, 3]){code} The rewritten version works. (/) {code:java} SELECT * FROM (SELECT *, ARRAY[1,2,3] AS A FROM (VALUES('a'))) CROSS JOIN UNNEST(A){code} > Support unnesting array constants > --------------------------------- > > Key: FLINK-34633 > URL: https://issues.apache.org/jira/browse/FLINK-34633 > Project: Flink > Issue Type: New Feature > Components: Table SQL / Planner > Affects Versions: 1.18.1 > Reporter: Xingcan Cui > Priority: Minor > > It seems that the current planner doesn't support using UNNEST on array > constants.(x) > {code:java} > SELECT * FROM UNNEST(ARRAY[1,2,3]);{code} > > The following query can't be compiled.(x) > {code:java} > SELECT * FROM (VALUES('a')) CROSS JOIN UNNEST(ARRAY[1, 2, 3]){code} > > The rewritten version works. (/) > {code:java} > SELECT * FROM (SELECT *, ARRAY[1,2,3] AS A FROM (VALUES('a'))) CROSS JOIN > UNNEST(A){code} -- This message was sent by Atlassian Jira (v8.20.10#820010)