snuyanzin commented on code in PR #22063:
URL: https://github.com/apache/flink/pull/22063#discussion_r1144959118
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flink-table/flink-sql-client/src/main/java/org/apache/flink/table/client/cli/CliClient.java:
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@@ -307,6 +314,26 @@ private LineReader createLineReader(Terminal terminal,
ExecutionMode mode) {
terminal.writer().println(msg);
LOG.warn(msg);
}
+ if (mode == ExecutionMode.INTERACTIVE_EXECUTION) {
+ lineReader.setVariable(
+ COLOR_SCHEMA_VAR,
+ executor.getSessionConfig()
+ .get(SqlClientOptions.DISPLAY_DEFAULT_COLOR_SCHEMA)
+ .ordinal());
+ final Widget widget =
+ () -> {
+ final Object colorSchemeOrdinal =
lineReader.getVariable(COLOR_SCHEMA_VAR);
+ int ord = colorSchemeOrdinal == null ? 0 : (Integer)
colorSchemeOrdinal;
+ lineReader.setVariable(
+ COLOR_SCHEMA_VAR,
+ (ord + 1) %
SyntaxHighlightStyle.BuiltInStyle.values().length);
+ return false;
+ };
+ lineReader.getWidgets().put(COLOR_SCHEMA_VAR, widget);
+ final CharSequence keySeq = alt('h');
+ lineReader.getKeyMaps().get(LineReader.EMACS).bind(widget, keySeq);
+ lineReader.getKeyMaps().get(LineReader.VIINS).bind(widget, keySeq);
+ }
Review Comment:
The initial schema could be set via table config option.
Another way (without widgets and shortcuts) is usage of table config option
only.
I will change it in that way
>I just press ESC+h, nothing happens...
In theory `Esc-h` should work for Mac only, for others it should be `Alt-h`.
Unfortunately I can not check on Mac since I don't have it. Last time when I
did such checks Jline's `Alt` corresponded to Mac's `Esc`
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