- announce-list - monetdb.org

[Monetdb-announce] Announcement: New Apr2012-SP2 Bugfix release of MonetDB suite
by Sjoerd Mullender 19 Jun '12

19 Jun '12

The MonetDB team at CWI/MonetDB BV is pleased to announce the Apr2012-SP2 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at <http://www.monetdb.org/>. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Apr 2012-SP2 bugfix release Client Package * Resolved a cosmetical error where tab-characters would cause misalignments in tabular result views. For the time being, tabs are now represented as a single space in tabular view. MonetDB Common * Limit number of detected CPU cores to 16 on 32-bits systems to avoid running quickly out of addressable resources followed by a kill from the OS. Bug Fixes * 2594: NULL cannot automatically be casted to every other type * 3085: assertion fails upon execution of a valid SQL query * 3086: Modulo function does not work in select from table * 3087: query causes "Not yet implemented" message * 3089: mserver5 crashed if join condition has two column and incorrect order * 3090: crashed if using single identifier for where condition * 3096: Type of median error

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[Monetdb-announce] Announcement: New Apr2012-SP1 Bugfix release of MonetDB suite
by Fabian Groffen 25 May '12

25 May '12

The MonetDB team at CWI/MonetDB BV is pleased to announce the Apr2012-SP1 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Apr 2012-SP1 bugfix release Build Environment * Windows: we now use OpenSSL 1.0.1b. SQL * Databases that were upgraded from the Aug2011 release have an error in the catalog for SQL procedures. This is now fixed. Merovingian * Fixed a bug where connecting to a stopped multiplex-funnel would result in a 'there are no available connections' error. MonetDB Common * Implemented MT_getrss for Mac OS X systems, this allows the server to know about how much memory is currently in use. Bug Fixes * 2454: SQL: add various statistical functions * 2916: non admin user cannot create temporary tables * 2949: SQL exception during execution of a correct user defined function that just returns a relation table constructed by a simple SQL select query * 2958: Grant does't work with schema syntax * 2960: mclient terminates connection during insertion of a large number of records from a file * 2972: SQL URL functionality contains errors * 2987: Broken type inference when using sql round * 2992: SQL module truncates DECIMALS when passing integers to MAL module * 3000: Inconsistency between read-only and read-write modes after dropping a schema * 3028: Segmentation fault in seqscan_eq_bte_bte_tloc_void_void * 3046: mserver5 terminates with segmentation fault * 3063: datacell functions no longer work after restart of database * 3072: Database upgrade from Dec2011 to Apr2012 broken for storage() * 3073: VERY slow foreign key check (due to missing batcalc.isnil() ?) * 3074: Name resolution in procedures * 3077: No errors on UDF returning table with too many columns * 3079: Converting an Oracle schema DDL for MonetDB fails to create a column named "no".

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[Monetdb-announce] Announcement: New Apr2012 Feature release of MonetDB suite
by Sjoerd Mullender 27 Apr '12

27 Apr '12

The MonetDB team at CWI/MonetDB BV is pleased to announce the Apr2012 feature release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Apr 2012 feature release Build Environment * Fixed some of the package names for Debian/Ubuntu. Packages for libraries should contain the major number of the library version number. This was not always the case. * On Debian and Ubuntu, install Python modules in dist-packages instead of site-packages. This fixed bug 2997. SQL * Fixed a crash that happened at the end of a database upgrade to the Dec2011 database scheme. The crash happened during cleanup after the database was upgraded, so it was merely inconvenient. * Stripped off implementation-specific parts from error messages before they get presented to the user. Java Module * Password reading by JdbcClient no longer results in strange artifacts * JdbcClient now returns exit code 1 in case of failures * Implemented missing Number types support in PreparedStatement.setObject() * Fixed bug in DatabaseMetaData.getSchemas() method that caused an SQL error when called with catalog and schema argument. * Resolved a bug where JDBC and Control connections could terminate abruptly with 'Connection closed' messages Client Package * ODBC: Implemented the SQL_ATTR_CONNECTION_TIMEOUT attribute. * mclient now has a -a (--autocommit) option to turn off autocommit mode. MonetDB5 Server * The type "chr" has been removed. chr has long been superseded by bte for 1 byte arithmetic plus it is pretty useless to hold single characters since we use Unicode and thus only a tiny subset of the supported character set would fit. * Fixed potential crash by dealing better with non-standard types. * A couple of memory leaks have been plugged. Merovingian * The logfile and pidfile monetdbd properties are now displayed with dbfarm path when relative * Fixed a bug in the multiplex-funnel where certain clients would abort on responses for update queries. * Fixed problem where version and mserver properties for monetdbd were not always successfully retrieved. Bug #2982. * Fixed problem where shutdown of monetdbd would lead to shutting down database 'control' which does not exist. Bug #2983. * Fixed issue causing (harmless) 'error reading from control channel' messages. Bug #2984. * Resolved problem where remote start/stop/etc. commands with monetdb would report error 'OK'. Bug #2984. MonetDB Common * The type "chr" has been removed. chr has long been superseded by bte for 1 byte arithmetic plus it is pretty useless to hold single characters since we use Unicode and thus only a tiny subset of the supported character set would fit. Bug Fixes

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[Monetdb-announce] Announcement: New Dec2011-SP2 Bugfix release of MonetDB suite
by Fabian Groffen 16 Mar '12

16 Mar '12

The MonetDB team at CWI/MonetDB BV is pleased to announce the Dec2011-SP2 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Dec 2011-SP2 bugfix release Java Module * Implemented missing Number types support in PreparedStatement.setObject() Bug Fixes * 2915: Query (mclient or jdbc) with 2 outer joins appears to crash connectionor server * 2947: Queries where a "is null" clause is combined with two equals clauses fail to produce the expected result. * 2968: Memory Leaks * 2974: thetajoin produces invalid/inconsistent bat * 2988: Subquery in select part goes wrong * 2998: Equivalent multi-way join queries give different results * 3002: String plus interval result in program errors upon comparison * 3011: count(*) in subquery results in 1 for query without results * 3012: bitwise comparison fails after a cast * 3029: test sql/test/Dependencies/Tests/Dependencies.sql fails after recent changes * 3031: Virtually all SQL tests fail on Windows * 3036: optimizers are not getting set correctly through set optimizer * 3038: ~190 SQL tests fail on Darwin, FreeBSD & Solaris (only) since introduction of "(extended) relational algebra" * 3043: WITH clause is not allowed in derived table * 3045: algebra.project(0@0,bat) fails at propcheck * 3052: Wrong Error Code on Rollback Exception

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[Monetdb-announce] Announcement: New Dec2011-SP1 Bugfix release of MonetDB suite
by Fabian Groffen 29 Feb '12

29 Feb '12

The MonetDB team at CWI/MonetDB BV is pleased to announce the Dec2011-SP1 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Dec 2011-SP1 bugfix release Build Environment * Fixed some of the package names for Debian/Ubuntu. Packages for libraries should contain the major number of the library version number. This was not always the case. * On Debian and Ubuntu, install Python modules in dist-packages instead of site-packages. This fixed bug 2997. SQL * Fixed a crash that happened at the end of a database upgrade to the Dec2011 database scheme. The crash happened during cleanup after the database was upgraded, so it was merely inconvenient. * Stripped off implementation-specific parts from error messages before they get presented to the user. Java Module * Fixed bug in DatabaseMetaData.getSchemas() method that caused an SQL error when called with catalog and schema argument. * Resolved a bug where JDBC and Control connections could terminate abruptly with 'Connection closed' messages MonetDB5 Server * Fixed potential crash by dealing better with non-standard types. Merovingian * Fixed a bug in the multiplex-funnel where certain clients would abort on responses for update queries. * Fixed problem where version and mserver properties for monetdbd were not always successfully retrieved. Bug #2982. * Fixed problem where shutdown of monetdbd would lead to shutting down database 'control' which does not exist. Bug #2983. * Fixed issue causing (harmless) 'error reading from control channel' messages. Bug #2984. * Resolved problem where remote start/stop/etc. commands with monetdb would report error 'OK'. Bug #2984. Bug Fixes * 2862: foreign key self references cause violation upon alter table add constraint... * 2933: "TypeException: algebra.join undefined" when evaluating EXISTS (SELECT ...) predicate * 2946: Invalid BAT if left join condition has only columns from right table * 2964: LEFT OUTER JOIN with constants returns errors * 2969: Result precision issue with Decimal data type * 2973: Date coercion functionality tests * 2979: misc merovingian control problems * 2982: monetdbd status and mserver properties have random values * 2983: monetdbd attempts to stop non-existing database 'control' * 2984: monetdb create/release/start/stop returns error "OK" for remote connections * 2995: Test geom/sql/Tests/example.sql crashes since changeset 6399077ff8a4 * 2997: monetdb-python packages installed in wrong dir on Ubuntu 10.04 LTS (lucid) * 3004: Incorrect evaluation of conditions in WHERE part of SQL statement * 3009: Segmentation fault on simple query * 3013: calc.and is not yet defined for dbl * 3014: dayofweek comment is wrong in mtime.mx:700 * 3017: rel_bin.c:611: exp_bin: Assertion `0' failed. with between on multicolumns * 3020: Assertion error in debugging mode * 3034: INNER JOIN with Subquery produces mal errors * 3041: WHERE condition ignored after 2 LEFT JOINs with subqueries

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[Monetdb-announce] Announcement: New Dec2011 Feature release of MonetDB suite
by Sjoerd Mullender 26 Jan '12

26 Jan '12

The MonetDB team at CWI/MonetDB BV is pleased to announce the Dec2011 feature release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Dec 2011 feature release SQL * mclient: The csv output format can now also be of the form csv=c and csv+c where c is the column separator. The form with csv+ produces a single header line with column names. * Changed a bug where the sign() function returned the same type as its argument instead of always an INTEGER. * Added a fix for bug #2834, which caused weird (failing) behaviour with PreparedStatements. * Fixed a bug when using default values for interval columns. Bug 2877. * A bug was fixed where deleted rows weren't properly accounted for in all operations. This was bug 2882. * A bug was fixed which caused an update to an internal table to happen too soon. The bug could be observed on a multicore system with a query INSERT INTO t (SELECT * FROM t) when the table t is "large enough". This was bug 2883. Java Module * Implemented getMetaData() method of PreparedStatement. * Fixed an AssertionError for special results from e.g. EXPLAIN queries. * Fixed overflow error when batching large statements, bug #2952 * Resolved a concurrency problem where ResultSet's date-related getters could cause odd stack traces when used by multiple threads at the same time, bug #2950. * JDBC now implements JDBCv4.1 which makes it possible to be built with Java 7 and up. JDBCv4.1 is a maintenance release of JDBCv4, and hence can be compiled with Java 6, although the added methods obviously are not part of the java.sql interfaces. * SQLExceptions thrown now carry a SQLSTATE. Until the server starts sending correct SQLSTATEs for all errors, server originated errors without SQLSTATE are considered generic data exceptions (22000). * Fixed a bug where closing ResultSets and PreparedStatements could lead to errors on concurrent running queries using the same Connection due to a race condition. * Changed version scheme of JDBC driver and MCL jar to be more standard, from monetdb-X.Y-<thing>.jar to monetdb-<thing>-X.Y.jar, bug #2943 * The embedded monet instance capability of MonetConnection was removed. * Bump JDBC version to 2.0 (Liberica). JDBC now implements JDBCv4 which makes it possible to be built with Java 6 and up. Java 5 and before are no longer supported, and can use the 1.x releases of the driver. * INTERVAL columns are now treated as decimals, since they can have sub-second precision. Client Package * Fix making connections with stethoscope to hosts without monetdbd. Bug #2944. * Fixed some bugs in the PHP interface affecting the mapi_ping(), monetdb_insert_id() and auto_commit() functions. Bugs #2936, #2937, #2938. * ODBC: Fixed SQLNumResultCols and SQLDescribeCol to return useful information after a call to SQLPrepare and before any SQLExecute. * mclient: The exact interpretation of the -i (--interactive) option and the - filename argument have changed. The - filename argument means read from standard input and no longer implies that no \ interpretation is done on the input. Instead, \ interpretation is done if either standard input is a terminal, or if the -i option is given. The -i option no longer causes mclient to read from standard input. It only means to do \ interpretation when reading from standard input. Use the - filename argument to read from standard input. Note that if no -s option is specified and no filename arguments are present, mclient still reads from standard input. * ODBC: Improved internal query for SQLSpecialColumns. Before, the query returned all columns taking part in a PRIMARY KEY *and* all columns taking part in a UNIQUE constraint. Now it returns only one or the other set. * ODBC: The database name is now used as the catalog name throughout. Functions that return a catalog name return the database name, and functions that match on catalog name match it with the database name. * ODBC: Implemented an easier way to create a log file of interactions with the ODBC driver. You can now add a connection attribute "LOGFILE=filename" to the connection string parameter of SQLBrowseConnect and SQLDriverConnect, and to the relevant part of the Windows registry or odbc.ini file. This value is only used if there is no environment variable ODBCDEBUG. * Quoting of object names for mclient's \d command is now more flexible and consistent with standard SQL quoting rules, bug #2846. * ODBC: Implemented SQLColumnPrivileges function. * Install new program, mnc, which provides netcat functionality, but based on MonetDB's communication libraries * Report full URI to database instead of just database when available in mclient. * The time format of the timer output can now be controlled with an optional argument to the -i option. ms, s and m force the time to be formatted as milliseconds, seconds or minutes + seconds respectively. * ODBC: Implemented a workaround in SQLTables for bug 2908. * Small improvement to mclient's table rendering for tables without any rows. Previously, the column names in the header could be squeezed to very small widths, degrading readability. * Python DB API connect() function now supports PEP 249-style arguments user and host, bug #2901 * mclient now checks the result of encoding conversions using the iconv library. * Fixed a source of crashes in mclient when a query on the command line using the -s option is combined with input on standard input (e.g. in the construct mclient -s 'COPY INTO t FROM STDIN ...' < file.csv). * Fixed bug 2897 where slow (network) reads could cause blocks to not be fully read in one go, causing errors in the subsequent use of those blocks. With thanks to Rémy Chibois. * Fixed a bug in mclient where processing queries from files could result in ghost empty results to be reported in the output * Fixed Perl DBD rowcount for larger results, bug #2889 * Perl: We now distinguish properly between TABLE and GLOBAL TEMPORARY (the latter are recognized by being in the "tmp" schema). * Perl: fixed a bunch of syntax errors. This fixes bug 2884. With thanks to Rémy Chibois. * Perl: Fixed DBD::monetdb table_info and tabletype_info. This fixes bug 2885. With thanks to Rémy Chibois. * mclient: fix display of varchar columns with only NULL values. * Fixed a bug in mclient/msqldump where an internal error occurred during dump when there are GLOBAL TEMPORARY tables. MonetDB5 Server * A couple of memory leaks have been plugged. * Introduced new variable max_clients that allows to define how many concurrent connections are allowed to be made against the database. * mal_interpreter.mx Protect against concurrent exceptions If multiple parallel blocks access the exception variables and perform GDKfree on old messages, then we may enter a case that one thread attempts a second free. Simple lock-based protection is the first line of defense. * bpm and partitions have been moved to the attic. It is replaced by the partition optimizer, still under construction. * The MAL debugger next/step operations semantics have been fixed. The profiler also now clearly shows entrance/exit of a MAL function. * The dataflow optimizer uses a less strict side-effect test for BAT new operations and better recognizes trivial plans. * Fixed a problem where MAL variables weren't properly cleared before reuse of the data strucutre. This problem could cause the data flow scheduler to generate dependencies between instructions that didn't actually exist, which in turn could cause circular dependencies among instructions with deadlock as a result. Bugs 2865 and 2888. Merovingian * Fixed crash in monetdb when an invalid property was retrieved using the get command, bug #2953. * monetdb get output is now grouped by database instead of by property * Unlike in previous releases, 'monetdbd get mserver' now returns the path to the mserver5 binary only for dbfarms that have a running monetdbd, instead of only for those that are not served by a monetdbd. * Add nclients property that controls the maximum number of concurrent clients allowed to access the database * Starting monetdbd without any arguments or without dbfarm is no longer supported. A dbfarm now must be provided for each command. * The control passphrase has been turned into a hash of the password, for a more stronger authorisation model as used by mclients. On upgrade, any existing passphrase is converted to the hashed version of the passphrase. * The monetdbd controlport option has been removed in favour of a boolean control option. On upgrade, when controlport was set to a non-zero value and a passphrase was set, control is set to true, or false otherwise. * The monetdbd discoveryport option has been removed in favour of a boolean discovery option. On upgrade, when discoveryport was set to a non-zero value, discovery is set to true, or false otherwise. * Fixed a bug where monetdbd's socket files from /tmp were removed when a second monetdbd was attempted to be started using the same port. * Resolved problem where monetdbd would terminate abnormally when databases named 'control', 'discovery' or 'merovingian' were stopped. * monetdbd get status now also reports the version of the running monetdbd * Improved response time of 'monetdb start' when the database fails to start. * Fixed a bug in monetdbd where starting a failing database could incorrectly be reported as a 'running but dead' database. * To avoid confusion, all occurrences of merovingian were changed into monetdbd for error messages sent to a client. MonetDB Common * Fixed memory detection on 32-bits Solaris systems with more memory than can be addressed in 32-bits mode, bug #2935 Bug Fixes

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[Monetdb-announce] Stored Procedure code example.
by Miguel Chang 17 Jan '12

17 Jan '12

Hello there, before I start with my question I would like to thank all those developers who put so much effort on this great Open Source Database. My name is Miguel, I´m currently using the MonetDB database for a university project and so far it´s been great. By following the documentation on the webpage I´ve build a fully functional system but I´ve encoutered one problem: So far I´ve been unable to create an stored procedure, even after following all the instructions on the documentation page: http://www.monetdb.org/Documentation/Manuals/SQLreference/Procedures Here´s an example I´ve tried but that does not works: CREATE PROCEDURE SP_GET_ALL_EVENTS () BEGIN SELECT * FROM DEMO.EVENTS; END; >From the many variation I tried with the last query I always get these errors: "Unexpected From, Expected In" or "unexpected END" I´ve been trying many variations (INSERT, UPDATES, DELETES) and I get the same responses... So can someone please point me what´s the error in my code? and also show me some examples codes for stored procedure creation? Much Appreciated.

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[Monetdb-announce] Announcement: New Aug2011-SP3 Bugfix release of MonetDB suite
by Fabian Groffen 22 Nov '11

22 Nov '11

The MonetDB team at CWI/MonetDB BV is pleased to announce the Aug2011-SP3 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Note that this is the last release of the Aug2011 branch. From now on, no further development will take place on this branch. Aug 2011-SP3 bugfix release SQL * Added a fix for bug #2834, which caused weird (failing) behaviour with PreparedStatements. Merovingian * Fixed a bug where monetdbd's socket files from /tmp were removed when a second monetdbd was attempted to be started using the same port. Bug Fixes * 2875: incomplete database initialization * 2912: Function body disappears after loading data - error message: SQLException:sql.resultSet:Cannot access descriptor * 2919: Add column and select in same transaction * 2920: Updated database from Aug2011 to Dec2011 make queries fail with "Subquery result missing". * 2921: complex where clause broken * 2923: Multiplication and cast from decimal to integer leads to 0 value * 2924: use LIKE with ESCAPE ignores OR operator * 2928: Cannot update a field with a count query based on an other table

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[Monetdb-announce] Announcement: New Aug2011-SP2 Bugfix release of MonetDB suite
by MonetDB Release Engineer 26 Oct '11

26 Oct '11

The MonetDB team at CWI/MonetDB BV is pleased to announce the Aug2011-SP2 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Aug 2011-SP2 bugfix release Client Package * ODBC: Implemented a workaround in SQLTables for bug 2908. * Small improvement to mclient's table rendering for tables without any rows. Previously, the column names in the header could be squeezed to very small widths, degrading readability. * Python DB API connect() function now supports PEP 249-style arguments user and host, bug #2901 * mclient now checks the result of encoding conversions using the iconv library. * Fixed a source of crashes in mclient when a query on the command line using the -s option is combined with input on standard input (e.g. in the construct mclient -s 'COPY INTO t FROM STDIN ...' < file.csv). * Fixed bug 2897 where slow (network) reads could cause blocks to not be fully read in one go, causing errors in the subsequent use of those blocks. With thanks to Rémy Chibois. * Fixed a bug in mclient where processing queries from files could result in ghost empty results to be reported in the output Merovingian * Resolved problem where monetdbd would terminate abnormally when databases named 'control', 'discovery' or 'merovingian' were stopped. * monetdbd get status now also reports the version of the running monetdbd * Improved response time of 'monetdb start' when the database fails to start. * Fixed a bug in monetdbd where starting a failing database could incorrectly be reported as a 'running but dead' database. * To avoid confusion, all occurrences of merovingian were changed into monetdbd for error messages sent to a client. Bug Fixes * 2346: mkey.bulk_rotate_xor_hash MAL exception * 2712: un-rolled-back savepoints cause crash upon scenario exit * 2774: COPY INTO of double (~1.0e-310) cannot be imported. * 2890: Slow execution of COUNT in combination with DISTINCT * 2894: No consistent behavior of implicit cast of integer to double * 2897: Mapi.pm: short reads not handled when reading blocks from server * 2898: order by for multiple (two) columns fails for large tables when second ordering is 'desc': "mat.refine_reverse' undefined" * 2900: rand(int) should not return NULL * 2901: Make keyword arguments in Python DB API connect() function more standard * 2904: TypeException after calling UDF in other than sys schema (when it is initialised) * 2906: "ALTER TABLE mytable SET READ ONLY" results in server segfault * 2908: SQL query produces error with MAL statements * 2909: query result is not displayed when history = true

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[Monetdb-announce] Announcement: New Aug2011-SP1 bugfix release of MonetDB suite
by Fabian Groffen 30 Sep '11

30 Sep '11

The MonetDB team at CWI/MonetDB BV is pleased to announce the Aug2011-SP1 bugfix release of the MonetDB suite of programs. More information about MonetDB can be found on our website at http://www.monetdb.org/. For details on this release, please see the release notes at <http://www.monetdb.org/Downloads/ReleaseNotes>. As usual, the download location is <http://dev.monetdb.org/downloads/>. Aug 2011-SP1 bugfix release SQL * Fixed a bug when using default values for interval columns. Bug 2877. * A bug was fixed where deleted rows weren't properly accounted for in all operations. This was bug 2882. * A bug was fixed which caused an update to an internal table to happen too soon. The bug could be observed on a multicore system with a query INSERT INTO t (SELECT * FROM t) when the table t is "large enough". This was bug 2883. Client Package * Fixed Perl DBD rowcount for larger results, bug #2889 * Perl: We now distinguish properly between TABLE and GLOBAL TEMPORARY (the latter are recognized by being in the "tmp" schema). * Perl: fixed a bunch of syntax errors. This fixes bug 2884. With thanks to Rémy Chibois. * Perl: Fixed DBD::monetdb table_info and tabletype_info. This fixes bug 2885. With thanks to Rémy Chibois. * mclient: fix display of varchar columns with only NULL values. * Fixed a bug in mclient/msqldump where an internal error occurred during dump when there are GLOBAL TEMPORARY tables. MonetDB5 Server * Fixed a problem where MAL variables weren't properly cleared before reuse of the data strucutre. This problem could cause the data flow scheduler to generate dependencies between instructions that didn't actually exist, which in turn could cause circular dependencies among instructions with deadlock as a result. Bugs 2865 and 2888. Bug Fixes * 2865: mserver5 --set gdk_nr_threads=2 --forcemito: deadlock during first SQL client connect on virgin (empty) DB * 2877: assertion failed when creating table with default interval * 2879: A SELECT query fails to produce some results * 2882: Delete of some records don't work on Monetdb * 2883: insert into t (select * from t) bogus in multithreaded execution * 2884: Mapi.pm and GetInfo.pm syntax fixes for array usage * 2885: DBD::monetdb table_info error * 2887: Division by zero error, when should not divide at 0 * 2888: test/null/null_in_case.sql hangs server * 2889: Mapi::getBlock is erasing query count on second call

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