Can't 'SHOW DATABASES' on Navicat 12 by Sharding-Proxy

[tuohai666]

Bug Report

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• Read documentation: ShardingSphere Doc.

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Which version of ShardingSphere did you use?

4.0.0-RC1-SNAPSHOT

Which project did you use? Sharding-JDBC or Sharding-Proxy?

Sharding-Proxy

Expected behavior

input:
SHOW DATABASES;
output:
Database
sharding_db

Actual behavior

input:
SHOW DATABASES;
output:
(nothing output)

Reason analyze (If you can)

Miss parameter when return sql result packets.

Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.

Using Navicat12 to connect to Sharding-Proxy and execute SQL: SHOW DATABASES;

Example codes for reproduce this issue (such as a github link).

NA