[jira] [Created] (DRILL-1441) Replace sql function requires backticks to avoid parse error

["Krystal (JIRA)" <ji...@apache.org>]

Krystal created DRILL-1441:
------------------------------

             Summary: Replace sql function requires backticks to avoid parse error
                 Key: DRILL-1441
                 URL: https://issues.apache.org/jira/browse/DRILL-1441
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Drill
            Reporter: Krystal


git.commit.id.abbrev=f8d38b6

Currently the "replace" function requires to be enclosed within backticks (ie. `replace`); otherwise it would fail during the parsing.

For example the following query fails:
0: jdbc:drill:schema=M7> select replace(substring(name,1,10), 'or', 'EA') from `dfs.default`.voter where name like 'victor%';
Query failed: Failure while parsing sql. Encountered "replace" at line 1, column 8.
Was expecting one of:
    "UNION" ...
    "INTERSECT" ...
    "EXCEPT" ...
.
.
.

The following modified query succeeds:
0: jdbc:drill:schema=M7> select `replace`(substring(name,1,10), 'or', 'EA') from `dfs.default`.voter where name like 'victor%';
+------------+
|   EXPR$0   |
+------------+
| victEA tho |
| victEA you |
| victEA rob |
| victEA van |
| victEA rob |
.
.
.

The parse error was originally filed in this jira: https://issues.apache.org/jira/browse/DRILL-738.  We should find a way to avoid requiring backticks as this is a standard sql function.





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