dtenedor opened a new pull request, #38418:
URL: https://github.com/apache/spark/pull/38418

   ### What changes were proposed in this pull request?
   
   Relax ordering constraint for CREATE TABLE column options.
   
   Before this PR, the grammar for each CREATE TABLE column was:
   
   ```
   createOrReplaceTableColType
       : colName=errorCapturingIdentifier dataType (NOT NULL)? 
defaultExpression? commentSpec?
       ;
   ```
   
   ### Why are the changes needed?
   
   There was a constraint on the order of: `(NOT NULL, DEFAULT value, COMMENT 
value)`. This PR updates the grammar to allow these options in any order 
instead, to improve usability.
   
   ### Does this PR introduce _any_ user-facing change?
   
   Yes, the SQL syntax updates slightly.
   
   ### How was this patch tested?
   
   Existing parser tests plus a new unit test.


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