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changes.xml
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<document>
<properties>
<title>SymmetricDS</title>
<author email="erilong@users.sourceforge.net">Eric Long</author>
<author email="chenson42@users.sourceforge.net">Chris Henson</author>
</properties>
<body>
<release version="1.4.1" date="2008-11-01" description="Patch Release">
<action dev="erilong" type="fix" issue="aid=2037604&atid=997724">
Support base64 encoding on PostgreSQL.
</action>
</release>
<release version="1.4.0" date="2008-10-08" description="Lets add some polish">
<action dev="erilong" type="fix">
Added support for locale specific decimals numbers that use ',' for the decimal points.
</action>
<action dev="erilong" type="fix" issue="aid=2001909&atid=997724">
Support for boolean data type on all platforms (support for tinyint(1) on MySQL)
</action>
<action dev="erilong" type="fix" issue="aid=2174941&atid=997724">
Support binary data in MySQL BLOB columns
</action>
<action dev="chenson42" type="fix">
Enhanced the RSS functionality a bit by adding published date field as the batch creation date, added
SQL error information if it exists and the number of times a batch errored out.
</action>
<action dev="chenson42" type="fix">
Log the SQL error code and message and mark the outgoing batch as in 'ER' if the error happens on the
extract side.
</action>
<action dev="chenson42" type="fix" issue="aid=1917203&atid=997724">
Clear out unsent events when an initial load is queue'd up.
</action>
<action dev="chenson42" type="fix" issue="aid=1944227&atid=997724">
Fixed trigger creation issue for tables with no primary keys.
</action>
<action dev="erilong" type="fix">Sorted outgoing batch in code to reduce stress on database.</action>
<action dev="erilong" type="fix">
Change index on sym_data_event to (batched, node_id, channel_id), which is how we are accessing the
table.
</action>
<action dev="erilong" type="fix">
Improve performance by doing a multi-row count and update during batching. If the count is greater than
the max batch size, then we fall back to the peek ahead result set scrolling.
</action>
<action dev="erilong" type="fix">
Cache channels query - we run this too much on high activity systems.
</action>
<action dev="erilong" type="fix">
Went through code to make sure ALL literals in SQL were parameterized (even the ones that are not
variable). This makes a big difference on Oracle.
</action>
<action dev="chenson42" type="add" issue="aid=1985814&atid=997724">
By default, the DataLoader uses fallback logic. (If an insert violates the primary key, perform an
update instead. If an update affects no rows, perform an insert instead.) Addd a runtime property that
lets you disable the fallback logic.
</action>
<action dev="chenson42" type="add" issue="aid=1956188&atid=997724">
Support an initial load pushed from client to server.
</action>
<action dev="chenson42" type="fix">
Inactivating a sym_trigger by setting the inactive_time column to a non-null value was fixed.
</action>
<action dev="chenson42" type="fix">
Fixed null pointer for blank my.url property. We now default my.url to blank in
symmetric-default.properties.
</action>
<action dev="dmichels2" type="add">Added IP address authorization.</action>
<action dev="chenson42" type="add">
Use MX4J's HTMLAdaptor for the stand-alone SymmetricDS instance so we have a nice JMX console.
</action>
<action dev="chenson42" type="add">
Added new extension architecture which allows extension points to be register automatically when they
are in the classpath and the META-INF/services/symmetric-*-ext.xml Spring file is found. Also added an
interface which allows extension points to be targeted for specific node groups.
</action>
<action dev="chenson42" type="add">
Change the property names to remove the inconsistent symmetric. and symmetric.runtime. prefixes. This
change keeps backwards compatibility with the old property names.
</action>
<action dev="chenson42" type="add">
Add the ability to override the Spring bean name used for an embedded DataSource. This allows users to
define their own DataSource.
</action>
<action dev="chenson42" type="add" issue="aid=1964509&atid=997724">
Register from the pull thread if the pull job has been enabled. This will allow an unregistered
SymmetricDS client to fully deploy to an application server without being registered.
</action>
<action dev="chenson42" type="fix">
Drop foreign keys from the SymmetricDS configuration tables. They seem to get in the way for some
people.
</action>
<action dev="chenson42" type="fix" issue="aid=1979581&atid=997724">
Make a push a two step process. First use a HEAD to see if the server is available, next do the actual
PUT. This solves an issue we have observed where the client PUSHES an entire pay load before the
response is sent. This solution relies on HTTP keep-alive.
</action>
<action dev="chenson42" type="add">
Added a new plug-in point, the IBatchListener. This new interface gives the end user a chance to do
something with a group of data rows that are in the same batch. See XmlPublisherFilter for an usage
example.
</action>
<action dev="chenson42" type="add">
Added a new plug-in point, the IExtractorFilter. This new filter can be useful to capture and react to
application events (for example a store close.)
</action>
<action dev="chenson42" type="add" issue="aid=1961240&atid=997727">
Pass the IDataLoaderContext into the IColumnFilter interface.
</action>
<action dev="chenson42" type="add" issue="aid=1955378&atid=997727">
Don't include the keys in data loader update statement if they haven't changed. This feature is turned
off by default and can be enabled by the new dont.include.keys.in.update.statement parameter.
</action>
<action dev="chenson42" type="add" issue="aid=1955383&atid=997727">
Add a stop() method to the SymmetricEngine API.
</action>
<action dev="chenson42" type="add" issue="aid=&atid=997727">
Supported runtime configuration from the sym_parameters table and the periodic rereading of parameters
from the file system (as long as the ParameterService is being used.)
</action>
<action dev="chenson42" type="add" issue="aid=1954979&atid=997727">
When db is unavailable during startup, add retry logic
</action>
<action dev="chenson42" type="add" issue="aid=1874255&atid=997727">
Recorded the timezone in sym_node for reporting purposes
</action>
<action dev="chenson42" type="add" issue="aid=1938886&atid=997727">
Added configuration setting for https's HostnameVerifier
</action>
<action dev="chenson42" type="add" issue="aid=1953442&atid=997727">
Added support for configuring the source table's catalog.
</action>
<action dev="chenson42" type="add" issue="aid=1946085&atid=997727">
Don't specify the schema in triggers if the schema/catalogs are specified in the trigger configuration.
</action>
<action dev="chenson42" type="add">Upgrade to Spring Framework 2.5.5.</action>
<action dev="knaas" type="add">
Make changes to the filter and servlet configuration so the web.xml does not contain dynamic
configuration information. From this point forward we will provide a standard web.xml and configuration
is in the same place as all the other SymmetricDS configuration.
</action>
<action dev="chenson42" type="fix" issue="aid=1826895&atid=997724">
Support BLOB syncing on Oracle.
</action>
<action dev="chenson42" type="fix">Handle Oracle TIMESTAMP(9) data types.</action>
<action dev="chenson42" type="fix">
Fixed a bug with the SQL Server filter that removes identity columns from updates. When syncing from
other databases the column case may not match. We need to try to match regardless of case on the
columns.
</action>
<action dev="chenson42" type="fix" issue="aid=1916017&atid=997724">
Preserved the original case of table names, table prefix, and foreign keys.
</action>
<action dev="chenson42" type="fix" issue="aid=1940365&atid=997724">
Fixed the update trigger and the initial load for the HSQLDB dialect.
</action>
<action dev="erilong" type="fix" issue="aid=1944507&atid=997724">
Bug in selectDataIdSql. data_id was not qualified.
</action>
</release>
<release version="1.3.4" date="2008-07-31" description="Patch release">
<action dev="chenson42" type="fix" issue="aid=1950045&atid=997724">
Fixed peek ahead logic so that the max batch size limit is respected.
</action>
<action dev="erilong" type="fix" issue="aid=2025080&atid=997724">
Create function error on MySQL version before 5.019
</action>
<action dev="erilong" type="fix" issue="aid=1963349&atid=997724">
Use target schema when loading data across schemas
</action>
</release>
<release version="1.3.3" date="2008-04-22" description="Patch release">
<action dev="chenson42" type="fix" issue="aid=1945207&atid=997724">
Removed extra comma in mssql.xml trigger text.
</action>
<action dev="chenson42" type="fix" issue="aid=1948790&atid=997724">
Multi-row updates don't work for the Sql Server Dialect.
</action>
<action dev="erilong" type="fix" issue="aid=1948109&atid=997724">
Time portion of DATE column not syncing.
</action>
</release>
<release version="1.3.2" date="2008-04-01" description="Patch release">
<action dev="chenson42" type="fix" issue="aid=1930496&atid=997724">
Make buildOutgoingBatches use only one connection from the connection pool vs the previous two it used.
</action>
<action dev="chenson42" type="fix" issue="aid=1929400&atid=997724">
Don't put all ACKs in the same transaction.
</action>
<action dev="chenson42" type="fix" issue="aid=1929395&atid=997724">
Introduce a compression filter that does not read an entire stream into memory before compressing.
</action>
<action dev="chenson42" type="fix" issue="aid=1918310&atid=997724">
Fixed the isInitialLoadComplete JMX method so it works with the new asynchronous reload.
</action>
</release>
<release version="1.3.1" date="2008-03-29" description="a brave new frontier, patched">
<action dev="erilong" type="fix" issue="aid=1924351&atid=997724">
Queries need to alias columns on PostgreSQL in case reserved words like "limit" are used as a column
name. Fixes synchronization for Adempiere.
</action>
<action dev="erilong" type="fix" issue="aid=1922524&atid=997724">
Fixed the PostgreSQL dialect to query for existence of triggers correctly, which was causing it to try
creating them on every startup.
</action>
<action dev="erilong" type="fix" issue="aid=1913260&atid=997724">
Fixed the population of the failed_data_id on sym_outgoing_batch_hist, which was always zero. It should
link to the sym_data.
</action>
<action dev="chenson42" type="fix" issue="aid=1914242&atid=997724">
The oracle dialect should select from user_objects vs. all_objects to determine if the package variable
has been installed.
</action>
</release>
<release version="1.3.0" date="2008-03-12" description="a brave new frontier">
<action dev="chenson42" type="add">
Changed Version.java to reference the pom.properties version that is packaged in the jar during a Maven
build.
</action>
<action dev="chenson42" type="add">Only log node concurrency rejects every 10 minutes.</action>
<action dev="chenson42" type="add">
Log fallback update/deletes at debug level instead of at the warn level.
</action>
<action dev="chenson42" type="add">
Don't log socket exceptions and HTTP 503 errors as stack traces, instead log as warnings.
</action>
<action dev="chenson42" type="add">
Make DataService.reloadNode(node_id) transactional. If it isn't we run the risk of inserting only half
of an initial load.
</action>
<action dev="chenson42" type="add">
Added an additional optional properties file that can put in the classpath to override properties values
called symmetric-override.properties.
</action>
<action dev="chenson42" type="add">
Moved channel_id and transaction_id from the data table to the data_event table. It makes it much more
efficient to create batches when data is backed up because you don't need to join between data and
data_event.
</action>
<action dev="chenson42" type="add">
Added the configurable number of times to attempt a 'resend' of the 'status' on a pull.
</action>
<action dev="chenson42" type="add">
Added the removal of all incoming batch rows when reloading a node. This is to prevent the loss of data
should the symmetric.runtime.incoming.batches.skip.duplicates property be set to true.
</action>
<action dev="chenson42" type="add">
Made the purge of incoming and outgoing batches exclusive. Also made sure if one fails, the other will
still be able to run.
</action>
<action dev="kbajaj01" type="add">
Make the AbstractJob configurable so that it can reschedule itself. If we do this, then we get natural
randomness in the push, pull cycles.
</action>
<action dev="chenson42" type="fix">
Transaction ids can be interleaved by different processes. The batching algorithm needs to take this
into account. Also, cap the max number of batches that can be sent per channel in one sweep.
</action>
<action dev="chenson42" type="fix">
We had a few places where we were not closing Statements and ResultSets.
</action>
<action dev="erilong" type="fix" issue="aid=1891508&atid=997724">
Fixed integrity violation when updating a primary key with an empty value between database systems that
handle char padding differently
</action>
<action dev="erilong" type="fix" issue="aid=1903641&atid=997724">
Fixed SafetySwitch error when parsing large columns
</action>
<action dev="erilong" type="fix" issue="aid=1903635&atid=997724">
Fixed cross schema trigger creation for PostgreSQL
</action>
<action dev="erilong" type="add" issue="aid=1903649&atid=997727">
reloadTable() JMX function to delete and reload a table for a node
</action>
<action dev="erilong" type="add" issue="aid=190874&atid=997727">
Timings for network, filter, and database on incoming batches.
</action>
<action dev="erilong" type="add" issue="aid=1861766&atid=997727">
Addition of optional compression on push.
</action>
<action dev="erilong" type="fix" issue="aid=1907627&atid=997724">
Case sensitive schema and table names on MySQL for Unix
</action>
<action dev="erilong" type="fix" issue="aid=1907658&atid=997724">
Extract can send batches out of order when channel is in error
</action>
</release>
<release version="1.2.0" date="2008-01-23" description="New dialects and bug fix release">
<action dev="erilong" type="add" issue="atid=997727&aid=1825801">
Add support to auto create the tables that are being synced
</action>
<action dev="chenson42" type="add" issue="atid=997727&aid=1861088">Implement the HSQLDB Dialect</action>
<action dev="erilong" type="add" issue=" atid=997727&aid=1825799">
Implement the Apache Derby Dialect
</action>
<action dev="chenson42" type="add" issue="atid=997727&aid=1877262">
Make the concurrent worker count by servlet instead of across all servlets
</action>
<action dev="chenson42" type="add" issue="atid=997727&aid=1861764">
Support the automatic detection of http compression
</action>
<action dev="erilong" type="add" issue="atid=997727&aid=1852586">
Add support for automatically sending initial load
</action>
<action dev="chenson42" type="add" issue="atid=997727&aid=1851161">
Add cluster support by providing a ClusterService
</action>
<action dev="erilong" type="add" issue="atid=997727&aid=1851159">
Add promiscuous registration mode
</action>
<action dev="chenson42" type="add" issue="atid=997727&aid=1849379">
Add curTriggerValue variable for use in sym_trigger definitions
</action>
<action dev="chenson42" type="fix" issue="atid=997724&aid=1861090">
To many data events can be purged in the same transaction
</action>
<action dev="chenson42" type="fix" issue="atid=997724&aid=1858083">
SQL Server Initial Load broke when 'text' fields are used
</action>
<action dev="erilong" type="fix" issue="atid=997724&aid=1854418">
The JMX showBatch and writeBatchRangeToFile broken in 1.1
</action>
<action dev="chenson42" type="fix" issue="atid=997724&aid=1851065">Trigger name is too long ...</action>
<action dev="chenson42" type="fix" issue="atid=997724&aid=1861090">
To many data events can be purged in the same transaction
</action>
<action dev="chenson42" type="fix" issue="atid=997724&aid=1849767">
Don't output a WARN if the sync_url is null
</action>
<action dev="chenson42" type="fix" issue="atid=997724&aid=1849763">
Bug introduced in refactoring of SqlScript
</action>
</release>
</body>
</document>