Release 0.179
General Changes
- Fix issue which could cause incorrect results when processing dictionary encoded data. If the expression can fail on bad input, the results from filtered-out rows containing bad input may be included in the query output (#8262).
- Fix planning failure when similar expressions appear in the
ORDER BYclause of a query that containsORDER BYandLIMIT. - Fix planning failure when
GROUPING()is used with thelegacy_order_bysession property set totrue. - Fix parsing failure when
NFD,NFC,NFKDorNFKCare used as identifiers. - Fix a memory leak on the coordinator that manifests itself with canceled queries.
- Fix excessive GC overhead caused by captured lambda expressions.
- Reduce the memory usage of map/array aggregation functions.
- Redact sensitive config property values in the server log.
- Update timezone database to version 2017b.
- Add
repeat()function. - Add
crc32()function. - Add file based global security, which can be configured with the
etc/access-control.propertiesandsecurity.config-fileconfig properties. See Built-in System Access Control for more details. - Add support for configuring query runtime and queueing time limits to resource groups.
Hive Changes
- Fail queries that access encrypted S3 objects that do not have their unencrypted content lengths set in their metadata.
JDBC Driver Changes
- Add support for setting query timeout through
Statement.setQueryTimeout().
SPI Changes
- Add grantee and revokee to
GRANTandREVOKEsecurity checks.
