Apache Calcite Avatica 1.8.0 发布了，Apache Calcite 是一个动态数据管理框架，用于 Hadoop 平台。 改进记录如下： Features and bug fixes [CALCITE-1159] Support Kerberos-authenticated clients using SPNEGO [CALCITE-1173] Basic and Digest authentication [CALCITE-1249] L&N incorrect for source and non-shaded jars for avatica-standalone-server module [CALCITE-1103] Decimal data serialized as Double in Protocol Buffer API [CALCITE-1205] Inconsistency in protobuf TypedValue field names [CALCITE-1207] Allow numeric connection properties, and K, M, G suffixes [CALCITE-1209] Byte strings not being correctly decoded when sent to avatica using protocol buffers [CALCITE-1213] Changing AvaticaDatabaseMetaData from class to interface breaks compatibility [CALCITE-1218] Mishandling of uncaught exceptions results in no ErrorResponse sent to client [CALCITE-1230] Add SQLSTATE reference data as enum SqlState [CALCITE-1243] max_row_count in protobuf Requests should be signed int [CALCITE-1247] JdbcMeta#prepare doesn’t set maxRowCount on the Statement [CALCITE-1254] Support PreparedStatement.executeLargeBatch [CALCITE-643] User authentication for avatica clients [CALCITE-1128] Support addBatch()/executeBatch() in remote driver [CALCITE-1179] Extend list of time units and time unit ranges [CALCITE-1180] Support clearBatch() in remote driver [CALCITE-1185] Send back ErrorResponse on failure to parse requests [CALCITE-1192] Document protobuf and json REP types with examples [CALCITE-1214] Support url-based kerberos login [CALCITE-1236] Log exceptions sent back to client in server log [CALCITE-836] Provide a way for the Avatica client to query the server versions [CALCITE-1156] Bump jetty version [CALCITE-1184] Update Kerby dependency to 1.0.0-RC2 Tests [CALCITE-1190] Cross-Version Compatibility Test Harness [CALCITE-1113] Parameter precision and scale are not returned from Avatica REST API [CALCITE-1186] Parameter ‘signed’ metadata is always returned as false [CALCITE-1189] Unit test failure when JVM default charset is not UTF-8 [CALCITE-1061] RemoteMetaTest#testRemoteStatementInsert’s use of hsqldb isn’t guarded [CALCITE-1194] Avatica metrics has non-test dependency on JUnit [CALCITE-835] Unicode character seems to be handled incorrectly in Avatica Web site and documentation [CALCITE-1251] Write release notes [CALCITE-1201] Bad character in JSON docs [CALCITE-1267] Point to release notes on website in README [CALCITE-1163] Avatica sub-site logo leads to Calcite site instead of Avatica’s [CALCITE-1202] Lock version of Jekyll used by website 下载地址：https://www.apache.org/dyn/closer.cgi/calcite/apache-calcite-avatica-1.8.0/ Apache Calcite Avatica 1.8.0 发布下载地址
