THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Statement | Result Schema | Result Value | Result Kind | Examples | |
DDL | field name: result field type: VARCHAR(2) | "OK" (single row) | SUCCESS | CREATE TABLE new_table (col1 BIGINT, ...) | |
DML (INSERT/UPDATE/DELETE) | field name: affected_rowcount field type: BIGINT | the affected row count (-1 means unknown) | SUCCESS_WITH_CONTENT | INSERT INTO sink_table SELECT … | |
SHOW xx | field name: result field type: VARCHAR(n) (n is the max length of values) | list all objects (multiple rows) | SUCCESS_WITH_CONTENT | SHOW CATALOGS | |
DESCRIBE xx | describe the detail of an object (single row) | DESCRIBE CATALOG catalog_name | |||
EXPLAIN xx | explain the plan of a query (single row) | EXPLAIN PLAN FOR SELECT … | |||
USE xx | field name: result field type: VARCHAR(2) | "OK" (single row) | SUCCESS | USE CATALOG catalog_name | |
| SELECT xx | (select schema) | (select value) | SUCCESS_WITH_CONTENT | SELECT * FROM ... | |
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