v0.8.3

Features

• Optimize the performance of Java SDK (#3445 @dl239)
• Optimize the writing performance and significantly reduce the memory consumption of the Spark connector (#3443 @vagetablechicken)
• Support loading data from HIVE with customized SQLs (#3380 @tobegit3hub)
• Improve the output message for SDK and CLI (#3384 @vagetablechicken, #3434 #3494 @dl239)
• Support new built-in functions json_array_length and get_json_object (#3414 #3429 @aceforeverd)
• Add new options RANGE_BIAS and ROWS_BIAS for the DEPLOYMENT statement (#3456 @vagetablechicken)
• Support const project in online mode (#3376 @aceforeverd)
• Support SHOW DEPLOYMENT and DROP DEPLOYMENT with a database name (#3353 @emo-coder)
• Support inheriting environment variables for Spark (#3450 @vagetablechicken)
• Support deleting HDFS files when dropping tables (#3369 @tobegit3hub)
• Enhance the diagnostic tool (#3330 @zhangziheng01233)
• Enhance the operation tool (#3455 @dl239)
• Use the timeout value set by an user only if that is greater than the default value (#3484 @vagetablechicken)
• Remove the sync tool from the demo docker image (#3390 @dl239)
• Improve the documents (#3383 #3392 #3410 @vagetablechicken, #3175 #3447 ##3463 @TanZiYen, #3436 @aceforeverd, #3451 @wangerry, #3453 #3462 #3498 @dl239)

Bug Fixes

• CREATE TABLE LIKE HIVE returns success even if a database is not found (#3379 @emo-coder)
• If an error occurred when executing DROP FUNCTION, the function cannot be deleted again. (#3362 @vagetablechicken, #3441 @dl239)
• The results of SHOW JOBS are not sorted by id (#3371 @emo-coder)
• NameServer will crash if creating system tables fails. (#3432 @dl239)
• CREATE INDEX may fail if the previous CREATE INDEX command on the same table has not finished. (#3393 @dl239)
• The result of SELECT on the deleted index column is empty (#3426 @dl239)
• Other minor bug fixes (#3391 #3408 @vagetablechicken, #3386 #3427 #3459 @dl239, #3367 #3495 @aceforeverd)

Code Refactoring

#3397 @emo-coder, #3411 @vagetablechicken, #3435 @aceforeverd, #3473 @lqy222

Breaking Changes

• The return type of GetInternalSchema in SQLResultSet changes from native Schema to com._4paradigm.openmldb.sdk.Schema #3445
• Remove the deprecated TaskManager configuration namenode.uri #3369