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Changelog

Notable changes since version 42.0.0, read the complete History of Changes.

The format is based on Keep a Changelog.

Unreleased

Changed

Added

Fixed

  • Fixed async copy performance regression PR 1314

42.2.5 (2018-08-27)

Known issues

Changed

  • ssl=true implies sslmode=verify-full, that is it requires valid server certificate cdeeaca4

Added

  • Support for sslmode=allow/prefer/require cdeeaca4

Fixed

  • Security: added server hostname verification for non-default SSL factories in sslmode=verify-full (CVE-2018-10936) cdeeaca4
  • Updated documentation on SSL configuration fa032732
  • Updated Japanese translations PR 1275
  • IndexOutOfBounds on prepared multistatement with insert values c2885dd0

42.2.4 (2018-07-14)

Changed

  • PreparedStatement.setNull(int parameterIndex, int t, String typeName) no longer ignores the typeName argument if it is not null PR 1160

Fixed

  • Fix treatment of SQL_TSI_YEAR, SQL_TSI_WEEK, SQL_TSI_MINUTE PR 1250
  • Map integrity constraint violation to XA_RBINTEGRITY instead of XAER_RMFAIL PR 1175 f2d1352c

42.2.3 (2018-07-12)

Known issues

  • SQL_TSI_YEAR is treated as hour, SQL_TSI_WEEK is treated as hour, SQL_TSI_MINUTE is treated as second

Changed

  • Reduce the severity of the error log messages when an exception is re-thrown. The error will be thrown to caller to be dealt with so no need to log at this verbosity by pgjdbc PR 1187
  • Deprecate Fastpath API PR 903
  • Support parenthesis in {oj ...} JDBC escape syntax PR 1204
  • ubenchmark module moved pgjdbc/benchmarks repository due to licensing issues PR 1215
  • Include section on how to submit a bug report in CONTRIBUTING.md PR 951

Fixed

  • getString for PGObject-based types returned "null" string instead of null PR 1154
  • Field metadata cache can be disabled via databaseMetadataCacheFields=0 PR 1052
  • Properly encode special symbols in passwords in BaseDataSource PR 1201
  • Adjust date, hour, minute, second when rounding nanosecond part of a timestamp PR 1212
  • perf: reduce memory allocations in query cache PR 1227
  • perf: reduce memory allocations in SQL parser PR 1230, PR 1233
  • Encode URL parameters in BaseDataSource PR 1201
  • Improve JavaDoc formatting PR 1236

42.2.2 (2018-03-15)

Added

  • Documentation on server-side prepared statements PR 1135

Fixed

  • Avoid failure for insert ... on conflict...update for reWriteBatchedInserts=true case PR 1130
  • fix: allowEncodingChanges should allow set client_encoding=... PR 1125
  • Wrong data from Blob/Clob when mark/reset is used PR 971
  • Adjust XAException return codes for better compatibility with XA specification PR 782
  • Wrong results when single statement is used with different bind typesPR 1137
  • Support generated keys for WITH queries that miss RETURNING PR 1138
  • Support generated keys when INSERT/UPDATE/DELETE keyword is followed by a comment PR 1138

42.2.1 (2018-01-25)

Known issues

  • client_encoding has to be UTF8 even with allowEncodingChanges=true

Changed

  • socksProxyHost is ignored in case it contains empty string PR 1079

Fixed

  • Avoid connection failure when DateStyle is set to ISO (~PgBouncer) Issue 1080
  • Package scram:client classes, so SCRAM works when using a shaded jar PR 1091 1a89290e
  • reWriteBatchedInserts=true causes syntax error with ON CONFLICT Issue 1045 PR 1082
  • Avoid failure in getPGArrayType when stringType=unspecified PR 1036
  • For PostgreSQL 9.0+ return a complete list of keywords in DatabaseMetadata.getSQLKeywords() from pg_catalog.pg_get_keywords(). PR 940

42.2.0 (2018-01-17)

Known issues

  • SCRAM does not work as scram:client library is not packaged
  • client_encoding has to be UTF8 even with allowEncodingChanges=true

Added

  • Support SCRAM-SHA-256 for PostgreSQL 10 in the JDBC 4.2 version (Java 8+) using the Ongres SCRAM library. PR 842
  • Make SELECT INTO and CREATE TABLE AS return row counts to the client in their command tags. Issue 958 PR 962
  • Support Subject Alternative Names for SSL connections. PR 952
  • Support isAutoIncrement metadata for PostgreSQL 10 IDENTITY column. PR 1004
  • Support for primitive arrays PR#887 3e0491a
  • Implement support for get/setNetworkTimeout() in connections. PR 849
  • Make GSS JAAS login optional, add an option "jaasLogin" PR 922 see Connecting to the Database

Changed

  • Improve behaviour of ResultSet.getObject(int, Class). PR 932
  • Parse CommandComplete message using a regular expresion, allows complete catch of server returned commands for INSERT, UPDATE, DELETE, SELECT, FETCH, MOVE, COPY and future commands. PR 962
  • Use 'time with timezone' and 'timestamp with timezone' as is and ignore the user provided Calendars, 'time' and 'timestamp' work as earlier except "00:00:00" now maps to 1970-01-01 and "24:00:00" uses the system provided Calendar ignoring the user-provided one PR 1053
  • Change behaviour of multihost connection. The new behaviour is to try all secondaries first before trying the master PR 844.
  • Avoid reflective access to TimeZone.defaultTimeZone in Java 9+ PR 1002 fixes Issue 986

Fixed

  • Make warnings available as soon as they are received from the server. This is useful for long running queries, where it can be beneficial to know about a warning before the query completes. PR 857
  • Use 00:00:00 and 24:00:00 for LocalTime.MIN/MAX. PR 992
  • Now the DatabaseMetaData.getFunctions() implementation complies with the JDBC docs. PR 918
  • Execute autosave/rollback savepoint via simple queries always to prevent "statement S_xx not exists" when autosaving fixes Issue #955
  • Received resultset tuples, but no field structure for them" when bind failure happens on 5th execution of a statement Issue 811

Removed

  • Drop support for the (insecure) crypt authentication method. PR 1026

Deprecated

  • Reintroduce Driver.getVersion for backward compatibility reasons, mark it as deprecated as application should not rely on it (regression since 42.0.0) 50d5dd3e

42.1.4 (2017-08-01)

Changed

  • Statements with non-zero fetchSize no longer require server-side named handle. This might cause issues when using old PostgreSQL versions (pre-8.4)+fetchSize+interleaved ResultSet processing combo. Issue 869

42.1.3 (2017-07-14)

Fixed

  • Fix NPE in PreparedStatement.executeBatch in case of empty batch (regression since 42.1.2). PR 867

42.1.2 (2017-07-12)

Changed

  • Better logic for returning keyword detection. Previously, pgjdbc could be defeated by column names that contain returning, so pgjdbc failed to "return generated keys" as it considered statement as already having returning keyword PR 824 201daf1d
  • Use server-prepared statements for batch inserts when prepareThreshold>0. Note: this enables batch to use server-prepared from the first executeBatch() execution (previously it waited for prepareThreshold executeBatch() calls) abc3d9d7

Fixed

  • Replication API: fix issue in #834 setting statusIntervalUpdate causes high CPU load. PR 835 59236b74

Regresions

  • NPE in PreparedStatement.executeBatch in case of empty batch. Fixed in 42.1.3

42.1.1 (2017-05-05)

Fixed

  • Fix infinite dates that might be corrupted when transferred in binary for certain JREs. For instance, 5881610-07-11 instead of infinity. 1e5bf563

42.1.0 (2017-05-04)

Added

  • Support fetching a REF_CURSOR using getObject PR 809

Fixed

  • Fix data being truncated in setCharacterStream (bug introduced in 42.0.0) PR 802
  • Fix calculation of lastReceiveLSN for logical replication PR 801
  • Make sure org.postgresql.Driver is loaded when accessing though DataSource interface Issue 768

Regressions

  • There's no 42.1.0.jre6 version due to infinity handling bug. Fixed in 42.1.1.jre6

42.0.0 (2017-02-20)

Added

Changed

  • Version bumped to 42.0.0 to avoid version clash with PostgreSQL version and follow a better sematic versioning. 46634923
  • Ensure executeBatch() can be used with pgbouncer. Previously pgjdbc could use server-prepared statements for batch execution even with prepareThreshold=0. Issue 742
  • Error position is displayed when SQL has unterminated literals, comments, etc. Issue 688
  • Strict handling of accepted values in getBoolean and setObject(BOOLEAN), now it follows PostgreSQL accepted values, only 1 and 0 for numeric types are accepted (previously !=0 was true). PR 732
  • Return correct versions and name of the driver. PR 668

Removed

  • Support for PostgreSQL versions below 8.2 was dropped. PR 661

Deprecated

  • Deprecated PGPoolingDataSource, instead of this class you should use a fully featured connection pool like HikariCP, vibur-dbcp, commons-dbcp, c3p0, etc. PR 739

Regressions

  • Data truncated in setCharacterStream. Fixed in 42.1.0
  • No suitable driver found for jdbc:postgresql when using a DataSource implementation. Fixed in 42.1.0