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Posted to commits@cassandra.apache.org by "David Capwell (Jira)" <ji...@apache.org> on 2022/09/23 18:06:00 UTC
[jira] [Updated] (CASSANDRA-17919) Capital P gets confused in the parser for a Duration in places where IDENT are needed
[ https://issues.apache.org/jira/browse/CASSANDRA-17919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Capwell updated CASSANDRA-17919:
--------------------------------------
Bug Category: Parent values: Correctness(12982)Level 1 values: API / Semantic Definition(13162)
Complexity: Normal
Discovered By: Fuzz Test
Severity: Normal
Status: Open (was: Triage Needed)
> 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
> Priority: Normal
>
> 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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