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CHANGELOG.md

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Latest

0.6.0-patch5

Bug Fixes

  • Roles (memorized by client) can be reset with 'SET ROLE NONE' query (ClickHouse#1647)
  • MaxBufferSize can be greater than internal MAX value now
  • Updated example project to use the latest version of the client

0.6.0-patch4

New Features

  • Added possibility to set client ID in Referer HTTP Header (ClickHouse#1572)
  • [HTTP] Persistence of a role after it is set by SET ROLE <role>

Bug Fixes

  • Change RowBinaryWithDefaults settings. Output is changed from true to false
  • Fix fail over for Apache HTTP client. Connect timeout error is not detected correctly
  • Fix password logging in DEBUG (ClickHouse#1571)
  • Fix handling "NoHttpResponseException" in Apache HTTP client
  • Fix param error in ByteUtils#equals in java9

0.6.0-patch3

Bug Fixes

  • Not detecting correctly ClickHouse error code
  • Fix JDBC read error - Multidimensional empty errors raise a java.lang.ArrayStoreException

0.6.0-patch2

Dependency Updates

  • org.apache.commons:commons-compress from 1.23.0 to 1.26.1
  • org.postgresql:postgresql from 42.6.0 to 42.6.1

0.6.0-patch1

Bug Fixes

  • Fix buffering issue caused by decompress flag not to work when working with HTTP Client.

0.6.0

WARNING -- ClickHouse CLI Client deprecation

clickhouse-cli-client package is deprecated from version 0.6.0 and it's going to be removed in 0.7.0. We recommend using clickhouse-client instead.

WARNING -- ClickHouse GRPC Client deprecation

clickhouse-grpc-client package is deprecated from version 0.6.0 and it's going to be removed in 0.7.0. We recommend using HTTP protocol instead.

Breaking Changes

  • Remove WEB_CONTEXT support - #1512

New Features

  • Add support in RowBinaryWithDefaults #1508

Bug Fixes

  • Fix faulty node detection in ClickHouseNodes - #1595
  • Fix while getting addBatch with an exception drop the all batch #1373
  • Fix buffering issue caused by decompress flag not to work #1500

0.5.0

Breaking Changes

  • ClickHouseByteBuffer can no longer be extended
  • rename ClickHouseByteUtils methods by removing LE suffix
  • change default databaseTerm from schema to catalog
  • remove deprecated API load, dump and connect
  • remove use_no_proxy settings

New Features

  • Adding new proxy support #1338
  • Add support for customer socket factory #1391
  • use VarHandle in JDK 9+ to read/write numbers
  • Establish secured connection with custom Trust Store file
  • Change default HTTP Client to Apache HTTP client #1421

Bug Fixes

  • Java client threw confusing error when query is invalid.
  • JDBC Driver correctly processes AggregateFunction(Nested(...)) columns
  • Incorrect parameter position
  • Fix testing framework to support secured clickhouse server

0.4.6, 2023-05-02

New Features

  • ClickHouseStatement.setMirroredOutput() for dumping ResultSet.
  • ClickHouseResponse.records(Class<?>) for object mapping.
  • Two new options(use_compilation & max_mapper_cache) reserved for future usage.

Bug Fixes

  • Too many socket fds generated by Apache HttpClient.
  • NoClassDefFoundError with clickhouse-apache-http-client-jdbc. #1319
  • Nested array in tuple array is incorrectly deserialized. #1324
  • client certificate password exposure in exception. #1331

0.4.5, 2023-04-25

Breaking Changes

  • refactor data processors and response classes to ensure input stream remain intact before first read:
    • move ClickHouseSimpleRecord to com.clickhouse.data
    • stop reading input stream when instantiating ClickHouseDataProcessor
    • remove createRecord() method in ClickHouseDataProcessor along with some duplicated code

New Features

  • disable SQL rewrite for DELETE statement in ClickHouse 23.3+

Bug Fixes

  • Slow when using Apache Http Client. #1320
  • ClickHouseResponse.getInputStream may return closed input stream.
  • ConcurrentModificationException may occure during deserialization. #1327
  • ClickHouseSslContextProvider is not customizable. #1329

0.4.4, 2023-04-17

Bug Fixes

  • flatten plugin 1.4.1 generated non-sense dependencies.

0.4.3, 2023-04-17

New Features

  • replace JavaCC21 with CongoCC

Bug Fixes

  • unable to convert empty string to default value when using text-based data format.
  • r2dbc driver does not support most client options. #1299
  • incorrect content from Lz4InputStream when using text-based data format #48446

0.4.2, 2023-03-21

Breaking Changes

  • ClickHouseSqlStatement and *ParserHandler in JDBC driver were refactored to support compression and infile in insert statement.

New Features

  • centralized configuration for JDBC driver using custom server setting custom_jdbc_config.
  • support BEGIN TRANSACTION, COMMIT, and ROLLBACK in JDBC driver. #975
  • new options for JDBC driver
    • databaseTerm(catalog or schema, defaults to schema) #1273
    • externalDatabase(true or false, defaults to true) #1245
    • localFile(true of false, defaults to false) - whether to use local file for INFILE and OUTFILE or not

Bug Fixes

  • error while converting Nested values to Java maps.
  • incorrect algorithm extracted from PEM. #1274
  • transaction failure introduced 0.4.0.
  • respect node-specific credentials. #1114
  • USE statement does nothing. #1160
  • executeBatch does not support on cluster anymore. #1261

0.4.1, 2023-02-19

Breaking Changes

  • changed option names - #1203
    • compress_alogrithm -> compress_algorithm
    • decompress_alogrithm -> decompress_algorithm

New Features

  • added source in shaded jar for IDE friendly. #1217
  • iterable ClickHouseInputStream, which slightly improved performance of piping. #1238
  • ClickHouseOutputStream.transferBytes() is deprecated and it will be removed in 0.5.
  • read() and write() methods in ClickHouseClient - connect() is deprecated and it will be removed in 0.5.
  • make all dependencies of JDBC driver optional, along with configuration for building native binary. #1247

Bug Fixes

  • incorrect nested array value. #1221
  • incorrect nested array values. #1223
  • potential endless loop when handling batch update error. #1233
  • exception when deserializing Array(FixedString(2)) from RowBinary. #1235
  • deserialization failure of Nested data type. #1240 broken serde for Nested, which also impacted JSON. #1242
  • fix 64bit bitmap serialization issue. #641, #874, #1141
  • gRPC client may complete execution before closing response stream
  • throw StreamCorruptedException instead of generic IOException when deserialization failed (mostly due to server error)

0.4.0, 2023-01-19

Breaking Changes

  • refactored JdbcTypeMapping to make it extensible. #1075
  • removed legacy driver ru.yandex.*.#1089
  • removed most deprecated methods and class members
  • refactored data processor(for serialization and deserialization) and added new classes for unsigned types. #1124
  • refactored ClickHouseRequest/ClickHouseInputStream/ClickHouseOutputStream to better support compression. #1174, #1189
  • extracted clickhouse-data from clickhouse-client along with new packages. #1197 
    com.clickhouse.config  // generic configuration
com.clickhouse.data    // data processing utilities
com.clickhouse.logging // generic logging utility
  • added jdk17 in pom and changed build instructions 
    mvn -Dj8 clean install # for jdk8, it was 'mvn clean install'
mvn clean install # for jdk17, it was 'mvn -Drelease clean install'

New Features

  • added R2DBC driver. #914
  • enhanced ClickHouseClient for importing and exporting compressed file. #1004
  • added new option custom_settings. #1059
  • enhanced ClickHouseRequestManager to support query/session ID customization. #1074
  • added Apache HTTP Client 5 to support socket options. #1146
  • enhanced clickhouse-grpc-client to support request chunking and compression
    • decompress_alogrithm(request compression): BROTLI[-1,11], BZ2, DEFLATE[0,9], GZIP[-1,9], LZ4[0,18], XZ[0,9], ZSTD[0,22]
    • compress_alogrithm(response decompression): DEFLATE, LZ4, ZSTD Note: typo will be fixed in v0.4.1.
  • enhanced clickhouse-http-client to support zstd compression for both request and response
    • decompress_alogrithm(request compression): LZ4[0,18], ZSTD[0,22]
    • compress_alogrithm(response decompression): BROTLI, BZ2, DEFLATE, GZIP, LZ4, XZ, ZSTD Note: typo will be fixed in v0.4.1.
  • added stream-based prepared statement. #1163
  • browser-like client name (select distinct http_user_agent from system.query_log). #1182
  • enhanced ClickHouseRequest by treating input stream and ClickHouseWriter equally. #1200

Bug Fixes

  • not able to cancel query when there's session_id. #1035
  • overflow error when handling BigInteger and BigDecimal in ClickHouseLongValue. #1040
  • not handling SimpleAggregateFunction properly. #1054
  • DELETE FROM was rewritten to ALTER TABLE DELETE even when lightweight deletion was enabled. #1063
  • forced headless format for inserting. #1073
  • missing the verb "be" in error messages. #1137
  • write time field data loss precision. #1127
  • fixed a few copy-paste error causing problem handling Geo types