[jira] [Created] (CASSANDRA-12189) $$ escaped string literals are not handled correctly in cqlsh

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

Mike Adamson created CASSANDRA-12189:
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             Summary: $$ escaped string literals are not handled correctly in cqlsh
                 Key: CASSANDRA-12189
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12189
             Project: Cassandra
          Issue Type: Bug
          Components: Tools
            Reporter: Mike Adamson
             Fix For: 3.x


The syntax rules for pg ($$) escaped string literals in cqlsh do not match the lexer rule for this type in Lexer.g. 

The {{unclosedPgString}} rule is not correctly matching pg string literals in multi-line statements so:
{noformat}
INSERT INTO test.test (id) values (
...$$<xml/>
{noformat}
fails with a syntax error at the forward slash.

Both {{pgStringLiteral}} and {{unclosedPgString}} fail with the following string
{noformat}
$$a$b$$
{noformat}
where this is allowed by the CQL lexer rule.



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