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Google Doc: https://docs.google.com/document/d/17CPMpMbPDjvM4selUVEfh_tqUK_oV0TODAUA9dfHakc/edit?usp=sharingReleased:
Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).
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- SHOW MODULES: show module names in the existing module list in order
- LOAD MODULE 'name' [WITH (‘type’=’xxx’, 'prop'='myProp', ...)] : load a module with given name and append to end of the module list
- UNLOAD MODULE 'name’ : unload a module by name from module list and other modules remain the same relative positions
NOTE: the SQL syntax has been discussed again and received some modifications, see FLINK-21045 and the discussion thread: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-FLINK-21045-Support-load-module-and-unload-module-SQL-syntax-td48398.html
Resolution Order
Object will be resolved to modules in the order they are defined either in program or in yaml configs. When there are objects sharing the same name, resolution logic will go thru modules in order and return whatever the first one is found, the other ones sitting in the back in the order will be ignored. E.g. if modules are set as “xxx, yyy” where xxx and yyy modules both have a function named “f”, then “f” will always be resolved as that in xxx module.
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