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From "Fabian Hueske (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-4088) Add interface to save and load TableSources
Date Fri, 17 Jun 2016 14:57:05 GMT
Fabian Hueske created FLINK-4088:
------------------------------------

             Summary: Add interface to save and load TableSources
                 Key: FLINK-4088
                 URL: https://issues.apache.org/jira/browse/FLINK-4088
             Project: Flink
          Issue Type: Improvement
          Components: Table API & SQL
    Affects Versions: 1.1.0
            Reporter: Fabian Hueske


Add an interface to save and load table sources similar to Java's {{Serializable}} interface.

TableSources should implement the interface to become saveable and loadable.

This could be used as follows:

{code}
val cts = new CsvTableSource(
  "/path/to/csvfile",
  Array("name", "age", "address"),
  Array(BasicTypeInfo.STRING_TYPEINFO, ...),
  ...
)

cts.saveToFile("/path/to/tablesource/file")

// -----

val tEnv: TableEnvironment = ???
tEnv.loadTableSource("persons", "/path/to/tablesource/file")
{code}



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