Bowen Song created CASSANDRA-16659:
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Summary: cqlsh 6.0.0 treats "config" as a reserved keyword
Key: CASSANDRA-16659
URL: https://issues.apache.org/jira/browse/CASSANDRA-16659
Project: Cassandra
Issue Type: Bug
Components: CQL/Interpreter
Reporter: Bowen Song
Based on the information
[here|https://github.com/apache/cassandra/blob/cassandra-4.0-rc1/doc/source/cql/appendices.rst]
from the Cassandra 4.0 RC1, "config" is not a keyword, and certainly is not a
reserved keyword.
However, Cassandra 4.0 RC1 / cqlsh 6.0.0 cannot fully agree:
{noformat}
Connected to Test Cluster at 127.0.0.1:9042
[cqlsh 6.0.0 | Cassandra 4.0-rc1 | CQL spec 3.4.5 | Native protocol v5]
Use HELP for help.
cqlsh> create keyspace config WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'};
cqlsh> use config;
Improper use command.
cqlsh> desc config;
Improper desc command.
cqlsh> use "config";
cqlsh:config> desc "config";
CREATE KEYSPACE config WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'} AND durable_writes = true;
cqlsh:config>
{noformat}
For reference:
* Non-reserved keywords, such as "all", don't have the above problem. They can
be used as keyspace name in any statement without quoting.
{noformat}
Connected to Test Cluster at 127.0.0.1:9042
[cqlsh 6.0.0 | Cassandra 4.0-rc1 | CQL spec 3.4.5 | Native protocol v5]
Use HELP for help.
cqlsh> create keyspace all WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'};
cqlsh> use all;
cqlsh:all> desc all;
CREATE KEYSPACE all WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'} AND durable_writes = true;
cqlsh:all>
{noformat}
* Reserved keywords, such as "add", can be used as keyspace name but requires
quoting wherever it's used.
{noformat}
Connected to Test Cluster at 127.0.0.1:9042
[cqlsh 6.0.0 | Cassandra 4.0-rc1 | CQL spec 3.4.5 | Native protocol v5]
Use HELP for help.
cqlsh> create keyspace add WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'};SyntaxException: line 1:16 no viable alternative at
input 'add' (create keyspace [add]...)
cqlsh> create keyspace "add" WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'};cqlsh> use add;
Improper use command.
cqlsh> use "add";
cqlsh:add> desc add;
Improper desc command.
cqlsh:add> desc "add";
CREATE KEYSPACE "add" WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'} AND durable_writes = true;
{noformat}
The treating of "config" in cqlsh 6.0.0 is somewhere in between, it can be used
in the "create keyspace" statement without quoting, but requires quoting in the
"use" and "desc" statements.
I believe this is a bug in cqlsh 6.0.0, because it behaves the same way when
it's connected to a Cassandra 3.11 cluster:
{noformat}
Connected to Test Cluster at 127.0.0.1:9042
[cqlsh 6.0.0 | Cassandra 3.11.10 | CQL spec 3.4.4 | Native protocol v4]
Use HELP for help.
cqlsh> create keyspace config WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'};
cqlsh> use config;
Improper use command.
cqlsh> desc config;
Improper desc command.
cqlsh> use "config";
cqlsh:config>
{noformat}
Yet cqlsh 5.0.1 doesn't have any issue at all:
{noformat}
Connected to Test Cluster at 127.0.0.1:9042.
[cqlsh 5.0.1 | Cassandra 3.11.10 | CQL spec 3.4.4 | Native protocol v4]
Use HELP for help.
cqlsh> create keyspace config WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'};
cqlsh> use config;
cqlsh:config> desc config;
CREATE KEYSPACE config WITH replication = {'class': 'SimpleStrategy',
'replication_factor': '1'} AND durable_writes = true;
cqlsh:config>
{noformat}
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