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Posted to issues@calcite.apache.org by "Jing Zhang (Jira)" <ji...@apache.org> on 2022/06/25 05:22:00 UTC

[jira] [Created] (CALCITE-5198) Expand table function document to introduce PTF

Jing Zhang created CALCITE-5198:
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             Summary: Expand table function document to introduce PTF
                 Key: CALCITE-5198
                 URL: https://issues.apache.org/jira/browse/CALCITE-5198
             Project: Calcite
          Issue Type: Sub-task
          Components: core
            Reporter: Jing Zhang


Expand  [table functions|https://calcite.apache.org/docs/adapter.html#table-functions-and-table-macros] doc to introduce PTF. It includes the following points:
 * What are polymorphic table functions
 * When do we want to use polymorphic table functions
 * Give some simple examples of polymorphic table functions
 * For PTF author, how to implement a user-defined polymorphic table function
 * For query author, how to use PTF function in queries



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