This topic describes the latest updates to MaxCompute documentation in 2019. These
updates allow you to understand the new features, syntax, and permissions in MaxCompute
and help you improve project development efficiency.
Updates in December 2019
| Release date |
Feature |
Category |
Description |
Documentation |
| 2019-12-25 |
Open source geospatial UDFs |
New feature |
Open source geospatial UDFs are added. You can register open source geospatial UDFs
with MaxCompute and use them as open source Hive UDFs.
|
Open source geospatial UDFs |
Updates in October 2019
| Release date |
Feature |
Category |
Description |
Documentation |
| 2019-10-09 |
New SQL syntax |
New feature |
- The syntax to merge partitions is added.
- The syntax that uses a pair of parentheses () to specify the priorities of operations
in JOIN and SETOP statements is added.
- The built-in function JSON_TUPLE is added.
- The date function EXTRACT is added.
- Two flags are added.
- ORDER BY LIMIT can be used with OFFSET.
- Default values can be specified for the columns in a table.
- The NATURAL JOIN statement is supported.
- New operators are supported.
- The syntax to delete partitions is added.
|
|
Updates in July 2019
| Release date |
Feature |
Category |
Description |
Documentation |
| 2019-07-12 |
odps-sql-reshuffle-dynamicpt added to the SET command |
New command |
odps-sql-reshuffle-dynamicpt is added to configure dynamic partitions. This prevents
the excessive generation of small files when dynamic partitions are split.
|
SET operations |
Updates in June 2019
| Release date |
Feature |
Category |
Description |
Documentation |
| 2019-06-17 |
Description of the VALUES statement |
New description |
The description of how to create data for simple business testing is added. |
VALUES |