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https://issues.apache.org/jira/browse/CASSANDRA-17919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-17919:
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Reviewers: Stefan Miklosovic, Stefan Miklosovic
Stefan Miklosovic, Stefan Miklosovic (was: Stefan Miklosovic)
Status: Review In Progress (was: Patch Available)
> Capital P gets confused in the parser for a Duration in places where IDENT
> are needed
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17919
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17919
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Syntax
> Reporter: David Capwell
> Assignee: Maxim Chanturiay
> Priority: Normal
> Fix For: 3.11.x, 4.0.x, 4.1.x
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> This was found while adding Accord Transaction syntax into CQL and fuzz
> testing to validate all possible cases… in doing this the following was found
> {code}
> String query = "BEGIN TRANSACTION\n" +
> " LET P = (SELECT v FROM " + keyspace + ".tbl
> WHERE k=? AND c=?);\n" +
> " LET row2 = (SELECT v FROM " + keyspace + ".tbl
> WHERE k=? AND c=?);\n" +
> " SELECT v FROM " + keyspace + ".tbl WHERE k=?
> AND c=?;\n" +
> " IF P IS NULL AND row2.v = ? THEN\n" +
> " INSERT INTO " + keyspace + ".tbl (k, c, v)
> VALUES (?, ?, ?);\n" +
> " END IF\n" +
> "COMMIT TRANSACTION";
> {code}
> Fails with
> {code}
> SyntaxException: line 2:6 mismatched input 'P' expecting IDENT (BEGIN
> TRANSACTION LET [P]...)
> {code}
> The new LET syntax found this, but was able to reproduce in other cases
> {code}
> cqlsh:ks> CREATE TABLE P (k INT PRIMARY KEY);
> SyntaxException: line 1:13 no viable alternative at input 'P' (CREATE TABLE
> [P]...)
> cqlsh:ks>
> cqlsh:ks> CREATE TABLE p (k INT PRIMARY KEY);
> cqlsh:ks>
> {code}
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