12.51. Release 0.185
- Fix incorrect column names in .
- Fix excessive CPU usage in coordinator for queries that havelarge string literals containing non-ASCII characters.
- Fix incorrect ordering when the same field appears multiple timeswith different ordering specifications in a window function
ORDER BY
clause. For example:OVER (ORDER BY x ASC, x DESC)
. - Do not allow dropping or renaming hidden columns.
- When preparing to drop a column, ignore hidden columns whenchecking if the table only has one column.
- Improve performance of joins where the condition is a range over a function.For example:
a JOIN b ON b.x < f(a.x) AND b.x > g(a.x)
- Improve performance of certain window functions (e.g., ) with similar specifications.
- Add cast from
JSON
toROW
. - Allow usage of
TRY
within lambda expressions.
- Improve ORC reader efficiency by only reading small ORC streams when accessed in the query.
- Improve RCFile IO efficiency by increasing the buffer size from 1 to 8 MB.
- Fix native memory leak for optimized RCFile writer.
- Add support for views.