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https://issues.apache.org/jira/browse/SPARK-38456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xinyi Yu updated SPARK-38456:
-----------------------------
Description:
Please view the parent task description for the general idea:
https://issues.apache.org/jira/browse/SPARK-38384
The empty statement is a special case of "mismatched input" (See
https://issues.apache.org/jira/browse/SPARK-38385 for more details). Now it
outputs mismatched input '<EOF>' expecting.. which is long and tedious, doesn't
provide succinct information.
h2. Empty Statement
Before
{code:java}
ParseException:
mismatched input '<EOF>' expecting {'(', 'CONVERT', 'COPY', 'OPTIMIZE',
'RESTORE', 'ADD', 'ALTER', 'ANALYZE', 'CACHE', 'CLEAR', 'COMMENT', 'COMMIT',
'CREATE', 'DELETE', 'DESC', 'DESCRIBE', 'DFS', 'DROP', 'EXPLAIN', 'EXPORT',
'FROM', 'GRANT', 'IMPORT', 'INSERT', 'LIST', 'LOAD', 'LOCK', 'MAP', 'MERGE',
'MSCK', 'REDUCE', 'REFRESH', 'REPLACE', 'RESET', 'REVOKE', 'ROLLBACK',
'SELECT', 'SET', 'SHOW', 'START', 'TABLE', 'TRUNCATE', 'UNCACHE', 'UNLOCK',
'UPDATE', 'USE', 'VALUES', 'WITH'}(line 1, pos 0)
== SQL ==
^^^ {code}
After
{code:java}
ParseException:
Syntax error, unexpected empty statement (line 1, pos 0)
== SQL ==
^^^ {code}
Changes:
# For empty query, output a specific error message 'Syntax error, unexpected
empty statement'
was:
Please view the parent task description for the general idea:
https://issues.apache.org/jira/browse/SPARK-38384
The empty statement is a special case of "mismatched input". Now it outputs
mismatched input '<EOF>' expecting.. which is long and tedious, doesn't provide
succinct information.
h2. Empty Statement
Before
{code:java}
ParseException:
mismatched input '<EOF>' expecting {'(', 'CONVERT', 'COPY', 'OPTIMIZE',
'RESTORE', 'ADD', 'ALTER', 'ANALYZE', 'CACHE', 'CLEAR', 'COMMENT', 'COMMIT',
'CREATE', 'DELETE', 'DESC', 'DESCRIBE', 'DFS', 'DROP', 'EXPLAIN', 'EXPORT',
'FROM', 'GRANT', 'IMPORT', 'INSERT', 'LIST', 'LOAD', 'LOCK', 'MAP', 'MERGE',
'MSCK', 'REDUCE', 'REFRESH', 'REPLACE', 'RESET', 'REVOKE', 'ROLLBACK',
'SELECT', 'SET', 'SHOW', 'START', 'TABLE', 'TRUNCATE', 'UNCACHE', 'UNLOCK',
'UPDATE', 'USE', 'VALUES', 'WITH'}(line 1, pos 0)
== SQL ==
^^^ {code}
After
{code:java}
ParseException:
Syntax error, unexpected empty statement (line 1, pos 0)
== SQL ==
^^^ {code}
Changes:
# For empty query, output a specific error message 'Syntax error, unexpected
empty statement'
> Improve error messages of empty statement
> -----------------------------------------
>
> Key: SPARK-38456
> URL: https://issues.apache.org/jira/browse/SPARK-38456
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Xinyi Yu
> Priority: Major
>
> Please view the parent task description for the general idea:
> https://issues.apache.org/jira/browse/SPARK-38384
> The empty statement is a special case of "mismatched input" (See
> https://issues.apache.org/jira/browse/SPARK-38385 for more details). Now it
> outputs mismatched input '<EOF>' expecting.. which is long and tedious,
> doesn't provide succinct information.
> h2. Empty Statement
> Before
> {code:java}
> ParseException:
> mismatched input '<EOF>' expecting {'(', 'CONVERT', 'COPY', 'OPTIMIZE',
> 'RESTORE', 'ADD', 'ALTER', 'ANALYZE', 'CACHE', 'CLEAR', 'COMMENT', 'COMMIT',
> 'CREATE', 'DELETE', 'DESC', 'DESCRIBE', 'DFS', 'DROP', 'EXPLAIN', 'EXPORT',
> 'FROM', 'GRANT', 'IMPORT', 'INSERT', 'LIST', 'LOAD', 'LOCK', 'MAP', 'MERGE',
> 'MSCK', 'REDUCE', 'REFRESH', 'REPLACE', 'RESET', 'REVOKE', 'ROLLBACK',
> 'SELECT', 'SET', 'SHOW', 'START', 'TABLE', 'TRUNCATE', 'UNCACHE', 'UNLOCK',
> 'UPDATE', 'USE', 'VALUES', 'WITH'}(line 1, pos 0)
> == SQL ==
> ^^^ {code}
> After
> {code:java}
> ParseException:
> Syntax error, unexpected empty statement (line 1, pos 0)
> == SQL ==
> ^^^ {code}
> Changes:
> # For empty query, output a specific error message 'Syntax error, unexpected
> empty statement'
>
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