2017-11-27-tidb-weekly.md

title	date	summary	tags
Weekly update (November 20 ~ November 26, 2017)	2017-11-27	Last week, we landed 60 PRs in the TiDB repositories, 5 PRs in the TiSpark repositories, and 10 PRs in the TiKV repositories.	TiDB TiKV TiSpark

Weekly update in TiDB

Last week, we landed 60 PRs in the TiDB repositories.

Added

• Support the Create View syntax.
• Support the PAD_CHAR_TO_FULL_LENGTH sql_mode.
• Support the PROXY protocol.

Fixed

• Fix a bug in retry().
• Fix a bug about parse duration when the fsp round overflows 60 seconds.
• Fix the missing index update about automatic updating for TIMESTAMP.
• Fix a bug when val > MaxInt32 in the from_unixtime argument.
• Clean up the goroutine after closing a domain.
• Deep clone TopN when pushing it down through Join.
• Add overflow Truncate when converting Str to Float.
• The password used to grant the privilege should be a hash string.
• Throw out error if the index hint not exist.
• Fix an invalid time cast bug.

Improved

• Use Chunk in TableReader.
• Support Chunk in IndexLookupReader.
• Support Chunk in ProjectionExec.
• Make chunk.Row iterable.
• Load the stats table asynchronously.
• Support vectorized execution of expressions.
• Avoid updating delta when the modified count is 0.
• Limit the length of the index name.
• Support the builtin aggregation function bit_and.

Weekly update in TiSpark

Last week, we landed 5 PRs in the TiSpark repositories.

Added

• Add the code format for scala.

Fixed

• Fix a column binding error which prevents the pushdown.
• Fix the integration test loading.
• Fix the Stale Region error.

Improved

• Upgrade to GRPC 1.7.

Weekly update in TiKV

Last week, we landed 10 PRs in the TiKV repositories.

Added

• Add the fake TiKV.
• Support the namespace configuration.

Fixed

• Fix potential disk full due to too many stale snapshots.
• Fix Chunk count detection.
• Fix a deadlock when trying to reconnect to PD.

Improved

• Update to protobuf 3.
• Adjust the gRPC metrics.
• Clean up codes.

New contributors (Thanks!)

TiDB:

• ZhengQian
• Zheng Dayu