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Change Log

Next Version (unreleased)

  • -

Version 1.4.197 (2018-03-18)

  • PR #984: Minor refactorings in Parser
  • Issue #933: MVStore background writer endless loop
  • PR #981: Reorganize date-time functions
  • PR #980: Add Parser.toString() method for improved debugging experience
  • PR #979: Remove support of TCP protocol versions 6 and 7
  • PR #977: Add database versions to javadoc of TCP protocol versions and update dictionary.txt
  • PR #976: Add and use incrementDateValue() and decrementDateValue()
  • Issue #974: Inline PRIMARY KEY definition loses its name
  • PR #972: Add META-INF/versions to all non-Android jars that use Bits
  • PR #971: Update ASM from 6.1-beta to 6.1
  • PR #970: Added support for ENUM in prepared statement where clause
  • PR #968: Assorted changes
  • PR #967: Adds ARRAY_AGG function
  • PR #966: Do not include help and images in client jar
  • PR #965: Do not include mvstore.DataUtils in client jar and other changes
  • PR #964: Fix TestFunctions.testToCharFromDateTime()
  • PR #963 / Issue #962: Improve documentation of compatibility modes and fix ssl URL description
  • Issue #219: H2 mode MySQL- ON UPDATE CURRENT_TIMESTAMP not supported
  • PR #958: More fixes for PgServer
  • PR #957: Update database size information and links in README.md
  • PR #956: Move tests added in 821117f1db120a265647a063dca13ab5bee98efc to a proper place
  • PR #955: Support getObject(?, Class) in generated keys
  • PR #954: Avoid incorrect reads in iterators of TransactionMap
  • PR #952: Optimize arguments for MVMap.init()
  • PR #949: Fix table borders in PDF and other changes
  • PR #948: Fix some grammar descriptions and ALTER TABLE DROP COLUMN parsing
  • PR #947: Fix building of documentation and use modern names of Java versions
  • PR #943: Assorted changes in documentation and a fix for current-time.sql
  • PR #942: Fix page numbers in TOC in PDF and move System Tables into own HTML / section in PDF
  • PR #941: Use >> syntax in median.sql and move out more tests from testScript.sql
  • PR #940: add Support for MySQL: DROP INDEX index_name ON tbl_name
  • PR #939: Short syntax for SQL tests
  • Issue #935: The "date_trunc" function is not recognized for 'day'
  • PR #936: Fix font size, line length, TOC, and many broken links in PDF
  • PR #931: Assorted changes in documentation
  • PR #930: Use Math.log10() and remove Mode.getOracle()
  • PR #929: Remove Mode.supportOffsetFetch
  • PR #928: Show information about office configuration instead of fallback PDF generation mode
  • PR #926: Describe datetime fields in documentation
  • PR #925: Fix time overflow in DATEADD
  • Issue #416: Add support for DROP SCHEMA x { RESTRICT | CASCADE }
  • PR #922: Parse and treat fractional seconds precision as described in SQL standard
  • Issue #919: Add support for mixing adding constraints and columns in multi-add ALTER TABLE statement
  • PR #916: Implement TABLE_CONSTRAINTS and REFERENTIAL_CONSTRAINTS from the SQL standard
  • PR #915: Implement INFORMATION_SCHEMA.KEY_COLUMN_USAGE from SQL standard
  • PR #914: don't allow null values in ConcurrentArrayList
  • PR #913: Assorted changes in tests and documentation
  • Issue #755: Missing FLOAT(precision)?
  • PR #911: Add support for MySQL-style ALTER TABLE ADD ... FIRST
  • Issue #409: Support derived column list syntax on table alias
  • PR #908: remove dead code
  • PR #907: Nest joins only if required and fix some issues with complex joins
  • PR #906: Fix obscure error on non-standard SELECT * FROM A LEFT JOIN B NATURAL JOIN C
  • PR #805: Move some JOIN tests from testScript.sql to own file
  • PR #804: Remove unused parameters from readJoin() and readTableFilter()
  • Issue #322: CSVREAD WHERE clause containing ORs duplicates number of rows
  • PR #902: Remove DbSettings.nestedJoins
  • PR #900: Convert duplicate anonymous classes in TableFilter to nested for reuse
  • PR #899: Fix ON DUPLICATE KEY UPDATE for inserts with multiple rows
  • PR #898: Parse TIME WITHOUT TIME ZONE and fix TIMESTAMP as column name
  • PR #897: Update JTS to version 1.15.0 from LocationTech
  • PR #896: Assorted changes in help.csv
  • PR #895: Parse more variants of timestamps with time zones
  • PR #893: TIMESTAMP WITHOUT TIME ZONE, TIMEZONE_HOUR, and TIMEZONE_MINUTE
  • PR #892: Assorted minor changes in Parser
  • PR #891: Update documentation of date-time types and clean up related code a bit
  • PR #890: Implement conversions for TIMESTAMP WITH TIME ZONE
  • PR #888: Fix two-phase commit in MVStore
  • Issue #884: Wrong test Resources path in pom.xml
  • PR #886: Fix building of documentation
  • PR #883: Add support for TIMESTAMP WITH TIME ZONE to FORMATDATETIME
  • PR #881: Reimplement dateValueFromDate() and nanosFromDate() without a Calendar
  • PR #880: Assorted date-time related changes
  • PR #879: Reimplement TO_DATE without a Calendar and fix a lot of bugs an incompatibilities
  • PR #878: Fix IYYY in TO_CHAR and reimplement TRUNCATE without a Calendar
  • PR #877: Reimplement TO_CHAR without a Calendar and fix 12 AM / 12 PM in it
  • PR #876: Test out of memory
  • PR #875: Improve date-time related parts of documentation
  • PR #872: Assorted date-time related changes
  • PR #871: Fix OOME in Transfer.readValue() with large CLOB V2
  • PR #867: TestOutOfMemory stability
  • Issue #834: Add support for the SQL standard FILTER clause on aggregate functions
  • PR #864: Minor changes in DateUtils and Function
  • PR #863: Polish: use isEmpty() to check whether the collection is empty or not.
  • PR #862: Convert constraint type into enum
  • PR #861: Avoid resource leak
  • PR #860: IndexCursor inList
  • PR #858 / Issue #690 and others: Return all generated rows and columns from getGeneratedKeys()
  • Make the JDBC client independent of the database engine
  • PR #857: Do not write each SQL error multiple times in TestScript
  • PR #856: Fix TestDateTimeUtils.testDayOfWeek() and example with ANY(?
  • PR #855: Reimplement DATEADD without a Calendar and fix some incompatibilities
  • PR #854: Improve test stability
  • PR #851: Reimplement DATEDIFF without a Calendar
  • Issue #502: SQL "= ANY (?)" supported?
  • PR #849: Encode date and time in fast and proper way in PgServerThread
  • PR #847: Reimplement remaining parts of EXTRACT, ISO_YEAR, etc without a Calendar
  • PR #846: Read known fields directly in DateTimeUtils.getDatePart()
  • Issue #832: Extract EPOCH from a timestamp
  • PR #844: Add simple implementations of isWrapperFor() and unwrap() to JdbcDataSource
  • PR #843: Add MEDIAN to help.csv and fix building of documentation
  • PR #841: Support indexes with nulls last for MEDIAN aggregate
  • PR #840: Add MEDIAN aggregate
  • PR #839: TestTools should not leave testing thread in interrupted state
  • PR #838: (tests) Excessive calls to Runtime.getRuntime().gc() cause OOM for no reason
  • Don't use substring when doing StringBuffer#append
  • PR #837: Use StringUtils.replaceAll() in Function.replace()
  • PR #836: Allow to read invalid February 29 dates with LocalDate as March 1
  • PR #835: Inline getTimeTry() into DateTimeUtils.getMillis()
  • PR #827: Use dateValueFromDate() and nanosFromDate() in parseTimestamp()
  • Issue #115: to_char fails with pattern FM0D099
  • PR #825: Merge code for parsing and formatting timestamp values
  • Enums for ConstraintActionType, UnionType, and OpType
  • PR 824: Add partial support for INSERT IGNORE in MySQL mode
  • PR #823: Use ValueByte.getInt() and ValueShort.getInt() in convertTo()
  • PR #820: Fix some compiler warnings
  • PR #818: Fixes for remaining issues with boolean parameters
  • Use enum for file lock method
  • PR #817: Parse also 1 as true and 0 as false in Utils.parseBoolean()
  • PR #815: Fix count of completed statements
  • PR #814: Method.isVarArgs() is available on all supported platforms
  • Issue #812: TIME values should be in range 0:00:00.000000000 23:59:59.999999999?
  • PR #811: Issues with Boolean.parseBoolean()
  • PR #809: Use type constants from LocalDateTimeUtils directly
  • PR #808: Use HmacSHA256 provided by JRE
  • PR #807: Use SHA-256 provided by JRE / Android and use rotateLeft / Right in Fog
  • PR #806: Implement setBytes() and setString() with offset and len
  • PR #805: Improve support of TIMESTAMP WITH TIME ZONE
  • PR #803: Use new ArrayList(Collection) and assertThrows()
  • PR #802: Use Arrays.copyOf() and Arrays.copyOfRange()
  • PR #801: Fix NULL support in PgServer for primitive types too
  • PR #800: More fixes in date-time types for ODBC drivers
  • PR #798: Add partial support of DATE, TIME, and TIMESTAMP data types to PgServer
  • PR #799: Use result of ArrayList.remove()
  • PR #797: Add ceilingKey() and floorKey() to TransactionMap (version 2)
  • PR #796: Add MDY to DateStyle in PgServerThread
  • PR #794: Sort files in generated jars
  • PR #793: Change return type of Value.getBoolean() to boolean (unwrapped)
  • PR #792: Inherit classpath from parent process
  • PR #791: Switch to JaCoCo code coverage
  • PR #788: Update lists of keywords
  • PR #789: Map DATE in Oracle mode to ValueTimestamp
  • PR #787: Assorted changes
  • PR #785: Optimize NULL handling in MVSecondaryIndex.add()
  • PR #783: Add Bits implementation for Java 9 and later versions
  • PR #784: Hardcoded port numbers should not be used in unit tests
  • PR #780: Close JavaFileManager after use.
  • PR #782: Leftover shared lock after release
  • PR #781: Locks left behind after commit
  • PR #778: Reduce code duplication
  • PR #775: Fix building of documentation and zip
  • PR #774: Assorted changes
  • PR #773: Better checks for arguments of partial LOB reading methods
  • PR #772: getBinaryStream() and getCharacterStream() with pos and length
  • Issue #754: Make NUMERIC type read as NUMERIC
  • PR #768: Add DataUtils.parseChecksummedMap()
  • PR #769: Do not copy result of DataUtils.parseMap() to a new maps
  • PR #766: Minor clean up of DateTimeUtils
  • PR #764: Make use of try-with-resources statement
  • Issue #406: Return from ResultSet.getObject not in line with JDBC specification
  • Issue #710: Misleading exception message when INSERT has no value for self referential 'AS' column
  • PR #763: Add DataUtils.getMapName()
  • PR #762: Add row deletion confirmation to web console
  • PR #760: Assorted minor optimizations
  • PR #759: Improve the look of error messages in web console
  • PR #758: Allocate less amount of garbage
  • PR #757: Fix handling of UUID in Datatype.readValue()
  • PR #753: Optimize StringUtils.trim() and remove StringUtils.equals()
  • PR #752: Use predefined charsets instead of names where possible
  • PR #750: Use AtomicIntegerArray and StandardCharsets
  • PR #749: Fix some build checks in sources
  • Issue #740: TestWeb hangups if webSSL=true specified in configuration
  • Issue #736: Copyright years in sources
  • Issue #744: TestFile failure on Java 9 and Java 10
  • PR #741: More cleanups in LocalDateTimeUtils and other minor changes
  • PR #743: Change REGEXP_REPLACE mode for MariaDB and PostgreSQL
  • Issue#646 NPE in CREATE VIEW WITH RECURSIVE & NON_RECURSIVE CTE
  • PR #738: Copy javadoc to *BackwardsCompat to fix building of documentation
  • PR #735: Add support of java.time.Instant V2
  • PR #733: Remove JPA/ORM configuration txt files as they're already integrated
  • PR #732: Fix ==
  • PR #730: Implement enquoteIdentifier() and isSimpleIdentifier() from JDBC 4.3
  • PR #729: Grammar documentation change
  • PR #727: Integer/Long.compare(x, y) can be used to compare primitive values
  • PR #726: Fixes in tests
  • Issue #725: FilePathMem.tryLock() fails since Java 9
  • PR #723: Clean up LocalDateTimeUtils
  • PR #724: Use StringBuilder instead of StringBuffer
  • PR #720: DROP TABLE RESTRICT shouldn't drop foreign keys in other tables
  • PR #722: Assorted minor changes
  • Issue #638: Oracle mode: incompatible regexp back-reference syntax
  • Make ALL a reserved keyword
  • Issue #311: Avoid calling list.toArray(new X[list.size()]) for performance
  • PR #715: Better getObject error message
  • PR #714: SecureRandom is already synchronized
  • PR #712: Return properly encoded UUID from SimpleResultSet.getBytes()
  • PR #711: TestFunctions less english dependent
  • Issue #644: Year changing from negative -509 to a positive 510.
  • PR #706: SIGNAL function
  • PR #704: added Javascript support for Triggers' source
  • Issue #694: Oracle syntax for adding NOT NULL constraint not supported.
  • Issue #699: When using an index for sorting, the index is ignored when also using NULLS LAST/FIRST
  • Issue #697: FilePathDisk.newInputStream fails for contextual class loading
  • Issue #695: jdbc:postgresql protocol connection issue in H2 Console Application in case of redshift driver in classpath
  • Fix 'file not closed' when using FILE_READ
  • Fix bug in LinkSchema tool when object exists with same name in different schemas
  • Issue #675: Fix date operations on Locales with non-Gregorian calendars
  • Fix removal of LOB when rolling back transaction on a table containing more than one LOB column.
  • Issue #654: List ENUM type values in INFORMATION_SCHEMA.COLUMNS
  • Issue #650: Simple nested SELECT causes error for table with TIMESTAMP WITH TIMEZONE column
  • Issue #654: List ENUM type values in INFORMATION_SCHEMA.COLUMNS
  • Issue #668: Fail of an update command on large table with ENUM column
  • Issue #662: column called CONSTRAINT is not properly escaped when storing to metadata
  • Issue #660: Outdated java version mentioned on http://h2database.com/html/build.html#providing_patches
  • Issue #643: H2 doesn't use index when I use IN and EQUAL in one query
  • Reset transaction start timestamp on ROLLBACK
  • Issue #632: CREATE OR REPLACE VIEW creates incorrect columns names
  • Issue #630: Integer overflow in CacheLRU can cause unrestricted cache growth
  • Issue #497: Fix TO_DATE in cases of 'inline' text. E.g. the "T" and "Z" in to_date('2017-04-21T00:00:00Z', 'YYYY-MM-DD"T"HH24:MI:SS"Z"')
  • Fix bug in MySQL/ORACLE-syntax silently corrupting the modified column in cases of setting the 'NULL'- or 'NOT NULL'-constraint. E.g. alter table T modify C NULL;
  • Issue #570: MySQL compatibility for ALTER TABLE .. DROP INDEX
  • Issue #537: Include the COLUMN name in message "Numeric value out of range"
  • Issue #600: ROW_NUMBER() behaviour change in H2 1.4.195
  • Fix a bunch of race conditions found by vmlens.com, thank you to vmlens for giving us a license.
  • PR #597: Support more types in getObject
  • Issue #591: Generated SQL from WITH-CTEs does not include a table identifier
  • PR #593: Make it possible to create a cluster without using temporary files.
  • PR #592: "Connection is broken: "unexpected status 16777216" [90067-192]" message when using older h2 releases as client
  • Issue #585: MySQL mode DELETE statements compatibility
  • PR #586: remove extra tx preparation
  • PR #568: Implement MetaData.getColumns() for synonyms.
  • Issue #581: org.h2.tools.RunScript assumes -script parameter is part of protocol
  • Fix a deadlock in the TransactionStore
  • PR #579: Disallow BLOB type in PostgreSQL mode
  • Issue #576: Common Table Expression (CTE): WITH supports INSERT, UPDATE, MERGE, DELETE, CREATE TABLE ...
  • Issue #493: Query with distinct/limit/offset subquery returns unexpected rows
  • Issue #575: Support for full text search in multithreaded mode
  • Issue #569: ClassCastException when filtering on ENUM value in WHERE clause
  • Issue #539: Allow override of builtin functions/aliases
  • Issue #535: Allow explicit paths on Windows without drive letter
  • Issue #549: Removed UNION ALL requirements for CTE
  • Issue #548: Table synonym support
  • Issue #531: Rollback and delayed meta save.
  • Issue #515: "Unique index or primary key violation" in TestMvccMultiThreaded
  • Issue #458: TIMESTAMPDIFF() test failing. Handling of timestamp literals.
  • PR #546: Fixes the missing file tree.js in the web console
  • Issue #543: Prepare statement with regexp will not refresh parameter after metadata change
  • PR #536: Support TIMESTAMP_WITH_TIMEZONE 2014 JDBC type
  • Fix bug in parsing ANALYZE TABLE xxx SAMPLE_SIZE yyy
  • Add padding for CHAR(N) values in PostgreSQL mode
  • Issue #89: Add DB2 timestamp format compatibility

Version 1.4.196 (2017-06-10)

  • Issue#479 Allow non-recursive CTEs (WITH statements), patch from stumc
  • Fix startup issue when using "CHECK" as a column name.
  • Issue #423: ANALYZE performed multiple times on one table during execution of the same statement.
  • Issue #426: Support ANALYZE TABLE statement
  • Issue #438: Fix slow logging via SLF4J (TRACE_LEVEL_FILE=4).
  • Issue #472: Support CREATE SEQUENCE ... ORDER as a NOOP for Oracle compatibility
  • Issue #479: Allow non-recursive Common Table Expressions (CTE)
  • On Mac OS X, with IPv6 and no network connection, the Console tool was not working as expected.

Version 1.4.195 (2017-04-23)

  • Lazy query execution support.
  • Added API for handling custom data types (System property "h2.customDataTypesHandler", API org.h2.api.CustomDataTypesHandler).
  • Added support for invisible columns.
  • Added an ENUM data type, with syntax similar to that of MySQL.
  • MVStore: for object data types, the cache size memory estimation was sometimes far off in a read-only scenario. This could result in inefficient cache usage.

Version 1.4.194 (2017-03-10)

  • Issue #453: MVStore setCacheSize() should also limit the cacheChunkRef.
  • Issue #448: Newly added TO_DATE and TO_TIMESTAMP functions have wrong datatype.
  • The "nioMemLZF" filesystem now supports an extra option "nioMemLZF:12:" to tweak the size of the compress later cache.
  • Various multi-threading fixes and optimisations to the "nioMemLZF" filesystem.
  • [API CHANGE] #439: the JDBC type of TIMESTAMP WITH TIME ZONE changed from Types.OTHER (1111) to Types.TIMESTAMP_WITH_TIMEZONE (2014)
  • #430: Subquery not cached if number of rows exceeds MAX_MEMORY_ROWS.
  • #411: "TIMEZONE" should be "TIME ZONE" in type "TIMESTAMP WITH TIMEZONE".
  • PR #418, Implement Connection#createArrayOf and PreparedStatement#setArray.
  • PR #427, Add MySQL compatibility functions UNIX_TIMESTAMP, FROM_UNIXTIME and DATE.
  • #429: Tables not found : Fix some Turkish locale bugs around uppercasing.
  • Fixed bug in metadata locking, obscure combination of DDL and SELECT SEQUENCE.NEXTVAL required.
  • Added index hints: SELECT * FROM TEST USE INDEX (idx1, idx2).
  • Add a test case to ensure that spatial index is used with and order by command by Fortin N.
  • Fix multi-threaded mode update exception "NullPointerException", test case by Anatolii K.
  • Fix multi-threaded mode insert exception "Unique index or primary key violation", test case by Anatolii K.
  • Implement ILIKE operator for case-insensitive matching.
  • Optimise LIKE queries for the common cases of '%Foo' and '%Foo%'.
  • Issue #387: H2 MSSQL Compatibility Mode - Support uniqueidentifier.
  • Issue #401: NPE in "SELECT DISTINCT * ORDER BY".
  • Added BITGET function.
  • Fixed bug in FilePathRetryOnInterrupt that caused infinite loop.
  • PR #389, Handle LocalTime with nanosecond resolution, patch by katzyn.
  • PR #382, Recover for "page store" H2 breaks LOBs consistency, patch by vitalus.
  • PR #393, Run tests on Travis, patch by marschall.
  • Fix bug in REGEX_REPLACE, not parsing the mode parameter.
  • ResultSet.getObject(..., Class) threw a ClassNotFoundException if the JTS suite was not in the classpath.
  • File systems: the "cache:" file system, and the compressed in-memory file systems memLZF and nioMemLZF did not correctly support concurrent reading and writing.
  • TIMESTAMP WITH TIMEZONE: serialization for the PageStore was broken.

Version 1.4.193 (2016-10-31)

  • PR #386: Add JSR-310 Support (introduces JTS dependency fixed in 1.4.194)
  • WARNING: THE MERGE BELOW WILL AFFECT ANY 'TIMESTAMP WITH TIMEZONE' INDEXES. You will need to drop and recreate any such indexes.
  • PR #364: fix compare TIMESTAMP WITH TIMEZONE
  • Fix bug in picking the right index for INSERT..ON DUPLICATE KEY UPDATE when there are both UNIQUE and PRIMARY KEY constraints.
  • Issue #380: Error Analyzer doesn't show source code
  • Remove the "TIMESTAMP UTC" datatype, an experiment that was never finished.
  • PR #363: Added support to define last IDENTIFIER on a Trigger.
  • PR #366: Tests for timestamps
  • PR #361: Improve TimestampWithTimeZone javadoc
  • PR #360: Change getters in TimestampWithTimeZone to int
  • PR #359: Added missing source encoding. Assuming UTF-8.
  • PR #353: Add support for converting JAVA_OBJECT to UUID
  • PR #358: Add support for getObject(int|String, Class)
  • PR #357: Server: use xdg-open to open the WebConsole in the user's preferred browser on Linux
  • PR #356: Support for BEFORE and AFTER clauses when using multiple columns in ALTER TABLE ADD
  • PR #351: Respect format codes from Bind message when sending results
  • ignore summary line when compiling stored procedure
  • PR #348: pg: send RowDescription in response to Describe (statement variant), patch by kostya-sh
  • PR #337: Update russian translation, patch by avp1983
  • PR #329: Update to servlet API version 3.1.0 from 3.0.1, patch by Mat Booth
  • PR #331: ChangeFileEncryption progress logging ignores -quiet flag, patch by Stefan Bodewig
  • PR #325: Make Row an interface
  • PR #323: Regular expression functions (REGEXP_REPLACE, REGEXP_LIKE) enhancement, patch by Akkuzin
  • Use System.nanoTime for measuring query statistics
  • Issue #324: Deadlock when sending BLOBs over TCP
  • Fix for creating and accessing views in MULTITHREADED mode, test-case courtesy of Daniel Rosenbaum
  • Issue #266: Spatial index not updating, fixed by merging PR #267
  • PR #302: add support for "with"-subqueries into "join" & "sub-query" statements
  • Issue #299: Nested derived tables did not always work as expected.
  • Use interfaces to replace the java version templating, idea from Lukas Eder.
  • Issue #295: JdbcResultSet.getObject(int, Class) returns null instead of throwing.
  • Mac OS X: Console tool process did not stop on exit.
  • MVStoreTool: add "repair" feature.
  • Garbage collection of unused chunks should be faster still.
  • MVStore / transaction store: opening a store in read-only mode does no longer loop.
  • MVStore: disabled the file system cache by default, because it limits concurrency when using larger databases and many threads. To re-enable, use the file name prefix "cache:".
  • MVStore: add feature to set the cache concurrency.
  • File system nioMemFS: support concurrent reads.
  • File systems: the compressed in-memory file systems now compress better.
  • LIRS cache: improved hit rate because now added entries get hot if they were in the non-resident part of the cache before.

Version 1.4.192 Beta (2016-05-26)

  • Java 6 is no longer supported (the jar files are compiled for Java 7).
  • Garbage collection of unused chunks should now be faster.
  • Prevent people using unsupported combination of auto-increment columns and clustering mode.
  • Support for DB2 time format, patch by Niklas Mehner
  • Added support for Connection.setClientInfo() in compatibility modes for DB2, Postgresql, Oracle and MySQL.
  • Issue #249: Clarify license declaration in Maven POM xml
  • Fix NullPointerException in querying spatial data through a sub-select.
  • Fix bug where a lock on the SYS table was not released when closing a session that contained a temp table with an LOB column.
  • Issue #255: ConcurrentModificationException with multiple threads in embedded mode and temporary LOBs
  • Issue #235: Anonymous SSL connections fail in many situations
  • Fix race condition in FILE_LOCK=SOCKET, which could result in the watchdog thread not running
  • Experimental support for datatype TIMESTAMP WITH TIMEZONE
  • Add support for ALTER TABLE ... RENAME CONSTRAINT .. TO ...
  • Add support for PostgreSQL ALTER TABLE ... RENAME COLUMN .. TO ...
  • Add support for ALTER SCHEMA [ IF EXISTS ]
  • Add support for ALTER TABLE [ IF EXISTS ]
  • Add support for ALTER VIEW [ IF EXISTS ]
  • Add support for ALTER INDEX [ IF EXISTS ]
  • Add support for ALTER SEQUENCE [ IF EXISTS ]
  • Improve performance of cleaning up temp tables - patch from Eric Faulhaber.
  • Fix bug where table locks were not dropped when the connection closed
  • Fix extra CPU usage caused by query planner enhancement in 1.4.191
  • improve performance of queries that use LIKE 'foo%' - 10x in the case of one of my queries
  • The function IFNULL did not always return the result in the right data type.
  • Issue #231: Possible infinite loop when initializing the ObjectDataType class when concurrently writing into MVStore.

Version 1.4.191 Beta (2016-01-21)

  • TO_DATE and TO_TIMESTAMP functions. Thanks a lot to Sam Blume for the patch!
  • Issue #229: DATEDIFF does not work for 'WEEK'.
  • Issue #156: Add support for getGeneratedKeys() when executing commands via PreparedStatement#executeBatch.
  • Issue #195: The new Maven uses a .cmd file instead of a .bat file.
  • Issue #212: EXPLAIN PLAN for UPDATE statement did not display LIMIT expression.
  • Support OFFSET without LIMIT in SELECT.
  • Improve error message for METHOD_NOT_FOUND_1/90087.
  • CLOB and BLOB objects of removed rows were sometimes kept in the database file.
  • Server mode: executing "shutdown" left a thread on the server.
  • The condition "in(select...)" did not work correctly in some cases if the subquery had an "order by".
  • Issue #184: The Platform-independent zip had Windows line endings in Linux scripts.
  • Issue #186: The "script" command did not include sequences of temporary tables.
  • Issue #115: to_char fails with pattern FM0D099.

Version 1.4.190 Beta (2015-10-11)

  • Pull request #183: optimizer hints (so far without special SQL syntax).
  • Issue #180: In MVCC mode, executing UPDATE and SELECT ... FOR UPDATE simultaneously silently can drop rows.
  • PageStore storage: the cooperative file locking mechanism did not always work as expected (with very slow computers).
  • Temporary CLOB and BLOB objects are now removed while the database is open (and not just when closing the database).
  • MVStore CLOB and BLOB larger than about 25 MB: An exception could be thrown when using the MVStore storage.
  • Add FILE_WRITE function. Patch provided by Nicolas Fortin (Lab-STICC - CNRS UMR 6285 and Ecole Centrale de Nantes)