twalthr commented on a change in pull request #9752: [FLINK-14179]Correct
description of 'SHOW FUNCTIONS'
URL: https://github.com/apache/flink/pull/9752#discussion_r329563556
##########
File path:
flink-table/flink-sql-client/src/main/java/org/apache/flink/table/client/cli/CliStrings.java
##########
@@ -52,7 +52,7 @@ private CliStrings() {
.append(formatCommand(SqlCommand.RESET, "Resets all session
configuration properties."))
.append(formatCommand(SqlCommand.SELECT, "Executes a SQL SELECT
query on the Flink cluster."))
.append(formatCommand(SqlCommand.SET, "Sets a session
configuration property. Syntax: 'SET <key>=<value>;'. Use 'SET;' for listing
all properties."))
- .append(formatCommand(SqlCommand.SHOW_FUNCTIONS, "Shows all
registered user-defined functions."))
+ .append(formatCommand(SqlCommand.SHOW_FUNCTIONS, "Shows all
system-defined and registered user-defined functions."))
Review comment:
@wuchong fyi: actually we just had a discussion on the ML around temporary
functions where we decided to call the built-in functions "system" functions.
Like `CREATE TEMPORARY SYSTEM FUNCTION` if users want to override a built-in
function.
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