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https://issues.apache.org/jira/browse/FLINK-4554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15726107#comment-15726107
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ASF GitHub Bot commented on FLINK-4554:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2919#discussion_r91124107
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/plan/schema/ArrayRelDataType.scala
---
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.api.table.plan.schema
+
+import org.apache.calcite.rel.`type`.RelDataType
+import org.apache.calcite.sql.`type`.ArraySqlType
+import org.apache.flink.api.common.typeinfo.TypeInformation
+
+/**
+ * Flink distinguishes between primitive arrays (int[], double[], ...) and
+ * object arrays (Integer[], MyPojo[], ...). This custom type considers
the two cases.
--- End diff --
`considers` -> `supports` or `covers`?
> Add support for array types
> ---------------------------
>
> Key: FLINK-4554
> URL: https://issues.apache.org/jira/browse/FLINK-4554
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Timo Walther
>
> Support creating arrays:
> {code}ARRAY[1, 2, 3]{code}
> Access array values:
> {code}myArray[3]{code}
> And operations like:
> {{UNNEST, UNNEST WITH ORDINALITY, CARDINALITY}}
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