{"action":"published","release":{"url":"https://api.github.com/repos/geraint0923/presto/releases/4157524","assets_url":"https://api.github.com/repos/geraint0923/presto/releases/4157524/assets","upload_url":"https://uploads.github.com/repos/geraint0923/presto/releases/4157524/assets{?name,label}","html_url":"https://github.com/geraint0923/presto/releases/tag/0.126","id":4157524,"tag_name":"0.126","target_commitish":"master","name":"0.126","draft":false,"author":{"login":"geraint0923","id":923382,"avatar_url":"https://avatars.githubusercontent.com/u/923382?v=3","gravatar_id":"","url":"https://api.github.com/users/geraint0923","html_url":"https://github.com/geraint0923","followers_url":"https://api.github.com/users/geraint0923/followers","following_url":"https://api.github.com/users/geraint0923/following{/other_user}","gists_url":"https://api.github.com/users/geraint0923/gists{/gist_id}","starred_url":"https://api.github.com/users/geraint0923/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/geraint0923/subscriptions","organizations_url":"https://api.github.com/users/geraint0923/orgs","repos_url":"https://api.github.com/users/geraint0923/repos","events_url":"https://api.github.com/users/geraint0923/events{/privacy}","received_events_url":"https://api.github.com/users/geraint0923/received_events","type":"User","site_admin":false},"prerelease":false,"created_at":"2015-11-19T19:28:55Z","published_at":"2016-09-17T00:22:16Z","assets":[],"tarball_url":"https://api.github.com/repos/geraint0923/presto/tarball/0.126","zipball_url":"https://api.github.com/repos/geraint0923/presto/zipball/0.126","body":"General Changes\n===============\n\n-   Add error location information (line and column number) for semantic errors.\n-   Fix a CLI crash during tab-completion when no schema is currently selected.\n-   Fix reset of session properties in CLI when running /sql/use.\n-   Fix occasional query planning failure due to a bug in the projection push down optimizer.\n-   Fix a parsing issue when expressions contain the form `POSITION(x in (y))`.\n-   Add a new version of approx\\_percentile that takes an `accuracy` parameter.\n-   Allow specifying columns names in /sql/insert queries.\n-   Add `field_length` table property to blackhole connector to control the size of generated `VARCHAR` and `VARBINARY` fields.\n-   Bundle Teradata functions plugin in server package.\n-   Improve handling of physical properties which can increase performance for queries involving window functions.\n-   Add ability to control whether index join lookups and caching are shared within a task. This allows us to optimize for index cache hits or for more CPU parallelism. This option is toggled by the `task.share-index-loading` config property or the `task_share_index_loading` session property.\n-   Add Tableau web connector &lt;/installation/tableau&gt;.\n-   Improve performance of queries that use an `IN` expression with a large list of constant values.\n-   Enable connector predicate push down for all comparable and equatable types.\n-   Fix query planning failure when using certain operations such as `GROUP BY`, `DISTINCT`, etc. on the output columns of `UNNEST`.\n-   In `ExchangeClient` set `maxResponseSize` to be slightly smaller than the configured value. This reduces the possibility of encountering `PageTooLargeException`.\n-   Fix memory leak in coordinator.\n-   Add validation for names of table properties.\n\nHive Changes\n============\n\n-   Fix reading structural types containing nulls in Parquet.\n-   Fix writing DATE type when timezone offset is negative. Previous versions would write the wrong date (off by one day).\n-   Fix an issue where `VARCHAR` columns added to an existing table could not be queried.\n-   Fix over-creation of initial splits.\n-   Fix `hive.immutable-partitions` config property to also apply to unpartitioned tables.\n-   Allow non-`VARCHAR` columns in `DELETE` query.\n-   Support `DATE` columns as partition columns in parquet tables.\n-   Improve error message for cases where partition columns are also table columns.\n"}}
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