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Release 2.19.03.0
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@yanhuqing666 yanhuqing666 released this 22 Apr 09:30
2.19.03.0/tag
bbc1097

Features:

  • [#1052] Improve background retry policy when xa transaction fail to commit/rollback. For more details, click here
  • [#1086] Support ' in the kill @@ddl_lock where schema=? and table=?
  • [#1092] Change "ORDERED_GROUP" in explain results to "AGGREGATE" to make it easily to understand
  • [#1040] Optimize global sequence generated by timestamp. For more details, click here

Bug-fixes:

  • [#1122] Use PreparedStatement with JDBC and close the ServerPrepStmt in a loop, dble may return an error message 'ClosedChannelException'
  • [#1124] Use PreparedStatement with JDBC and MySQL J Connector may get a wrong result when useCursorFetch=true Thanks to the issue from @Lordess
  • [#1098] Table Structure check does not work correctly.
  • [#1093] Protocol COM_STMT_RESET did not handle correctly, dble does not clear the buffer
  • [#1102] The client returned an error when resumed xa during the first 5 attempts
  • [#1077] Xa transaction cannot be recovered, when the commit fails
  • [#1109] When dryrun, setting the attribute of table type as "default" in schema.xml will be reported as illegal
  • [#1103] When a query contains an alias filter and a sub-query which contains union and aggregate, dble may return an error.
  • [#1101] Load data will skip lines which start with ‘#’
  • [#1079] Synchronized alerting may exhaust thread pool in trouble with alerting. Thanks to the issue from @Lordess
  • [#1087] Correlated subquery in the SELECT clause will raise an error. Thanks to the issue and PR from @tankilo
  • [#1058] Maybe there will be no trace result when Join's right table contains a lot of useless data
  • [#1016] For zk mode, the content of file dnindex.properties is empty after restart dble
  • [#1060] There is a redundant "order by" step in some case for query explain
  • [#1057] Explain got a different result when "join" between ER tables whether use upper case as the table alias
  • [#1070] Show incorrect IDLE while executing manager command "show @@Datasource"
  • [#1064] Show incorrect ACTIVE while executing manager command "show @@Datasource"
  • [#998] Got an error while dropping the table that its name is the same as the existed view name(the dependency table of the view was dropped)
  • [#1032] For Dbeaver client, got error while executing the SQL "/* ApplicationName=DBeaver 5.2.4 - Main */drop view view_tt;"
  • [#1053] Unfriendly tips for select * from sharding_1_t1 b,sharding_4_t1 c,(select * from sharding_2_t1) a on c.id=b.id and c.id=b.id
  • [#1000] Loading data will report an error when the length of column exceeds 65535 even the field type is mediumtext
  • [#1038] DDLChildListener#updateMeta should not refresh meta when DDL result is a failure. Thanks to the issue and PR from @tankilo
  • [#1045] load data block the thread named NIOreactor
  • [#1041] Some data type in show @@processlist is not correct
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