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https://issues.apache.org/jira/browse/CASSANDRA-21509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Muzafarov updated CASSANDRA-21509:
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Description:
On trunk, paramLabel is display-only: duplicate labels cause no parsing or
behavioral problem, only ambiguous help output which some time confuses a
command usage.
The uniqueness rule such as "paramLabels must be unique within a command across
options, aliases, and positionals is a new convention this ticket introduces,
not an existing invariant being violated. Its purpose is forward-looking:
CEP-38 turns these labels into wire keys for cql commands. Enforcing the
convention on trunk now means no new commands can introduce collisions.
was:
On trunk, paramLabel is display-only: duplicate labels cause no parsing or
behavioral problem, only ambiguous help output which some time confuses a
command usage.
The uniqueness rule such as "paramLabels must be unique within a command across
options, aliases, and positionals is a new convention this ticket introduces,
not an existing invariant being violated. Its purpose is forward-looking:
CASSANDRA-19476 (CEP-38) turns these labels into wire keys in a flat. Enforcing
the convention on trunk now means no new commands can introduce collisions.
> Enforcing uniqueness of paramLabel across command options
> ---------------------------------------------------------
>
> Key: CASSANDRA-21509
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21509
> Project: Apache Cassandra
> Issue Type: Task
> Reporter: Maxim Muzafarov
> Assignee: Maxim Muzafarov
> Priority: Normal
>
> On trunk, paramLabel is display-only: duplicate labels cause no parsing or
> behavioral problem, only ambiguous help output which some time confuses a
> command usage.
> The uniqueness rule such as "paramLabels must be unique within a command
> across options, aliases, and positionals is a new convention this ticket
> introduces, not an existing invariant being violated. Its purpose is
> forward-looking: CEP-38 turns these labels into wire keys for cql commands.
> Enforcing the convention on trunk now means no new commands can introduce
> collisions.
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