</li><li>DISTINCT: support large result sets by sorting on all columns (additionally) and then removing duplicates.
</li><li>Support a special trigger on all tables to allow building a transaction log reader.
</li><li>File system with a background writer thread; test if this is faster
</li><li>Better document the source code (high level documentation).
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@@ -228,7 +225,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Improve documentation of access rights.
</li><li>Support opening a database that is in the classpath, maybe using a new file system. Workaround: detect jar file using getClass().getProtectionDomain().getCodeSource().getLocation().
</li><li>Remember the user defined data type (domain) of a column.
</li><li>MVCC: support multi-threaded kernel with multi-version concurrency.
</li><li>Auto-server: add option to define the port range or list.
</li><li>Support Jackcess (MS Access databases)
</li><li>Built-in methods to write large objects (BLOB and CLOB): FILE_WRITE('test.txt', 'Hello World')
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@@ -254,7 +250,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Access rights: add missing features (users should be 'owner' of objects; missing rights for sequences; dropping objects)
</li><li>Support NOCACHE table option (Oracle).
</li><li>Support table partitioning.
</li><li>Add regular javadocs (using the default doclet, but another css) to the homepage.
</li><li>The database should be kept open for a longer time when using the server mode.
</li><li>Javadocs: for each tool, add a copy & paste sample in the class level.
</li><li>Javadocs: add @author tags.
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@@ -264,7 +259,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Write (log) to system table before adding to internal data structures.
</li><li>Support direct lookup for MIN and MAX when using WHERE (see todo.txt / Direct Lookup).
</li><li>Support other array types (String[], double[]) in PreparedStatement.setObject(int, Object) (with test case).
</li><li>MVCC should not be memory bound (uncommitted data is kept in memory in the delta index; maybe using a regular b-tree index solves the problem).
</li><li>Oracle compatibility: support NLS_DATE_FORMAT.
</li><li>Support for Thread.interrupt to cancel running statements.
</li><li>Cluster: add feature to make sure cluster nodes can not get out of sync (for example by stopping one process).
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@@ -298,7 +292,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Support TRUNCATE .. CASCADE like PostgreSQL.
</li><li>Fulltext search: lazy result generation using SimpleRowSource.
</li><li>Fulltext search: support alternative syntax: WHERE FTL_CONTAINS(name, 'hello').
</li><li>MySQL compatibility: support REPLACE, see http://dev.mysql.com/doc/refman/6.0/en/replace.html and issue 73.
</li><li>MySQL compatibility: support INSERT INTO table SET column1 = value1, column2 = value2
</li><li>Docs: add a one line description for each functions and SQL statements at the top (in the link section).
</li><li>Javadoc search: weight for titles should be higher ('random' should list Functions as the best match).
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@@ -319,7 +312,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>MySQL compatibility: for auto_increment columns, convert 0 to next value (as when inserting NULL).
</li><li>Optimization for multi-column IN: use an index if possible. Example: (A, B) IN((1, 2), (2, 3)).
</li><li>Optimization for EXISTS: convert to inner join or IN(..) if possible.
</li><li>Functions: support hashcode(value); cryptographic and fast
</li><li>Serialized file lock: support long running queries.
</li><li>Network: use 127.0.0.1 if other addresses don't work.
</li><li>Pluggable network protocol (currently Socket/ServerSocket over TCP/IP) - see also TransportServer with master slave replication.
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@@ -352,7 +344,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Compatibility: Java functions with SQLJ Part1 http://www.acm.org/sigmod/record/issues/9912/standards.pdf.gz
</li><li>Compatibility: Java functions with SQL/PSM (Persistent Stored Modules) - need to find the documentation.
</li><li>CACHE_SIZE: automatically use a fraction of Runtime.maxMemory - maybe automatically the second level cache.
</li><li>Support date/time/timestamp as documented in http://en.wikipedia.org/wiki/ISO_8601
</li><li>PostgreSQL compatibility: when in PG mode, treat BYTEA data like PG.
</li><li>Support =ANY(array) as in PostgreSQL. See also http://www.postgresql.org/docs/8.0/interactive/arrays.html
</li><li>IBM DB2 compatibility: support PREVIOUS VALUE FOR sequence.
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@@ -380,7 +371,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Issue 126: The index name should be "IDX_" plus the constraint name unless there is a conflict, in which case append a number.
</li><li>Issue 127: Support activation/deactivation of triggers
</li><li>Issue 130: Custom log event listeners
</li><li>Issue 131: IBM DB2 compatibility: sysibm.sysdummy1
</li><li>Issue 132: Use Java enum trigger type.
</li><li>Issue 134: IBM DB2 compatibility: session global variables.
</li><li>Cluster: support load balance with values for each server / auto detect.
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@@ -430,7 +420,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Maybe use PhantomReference instead of finalize.
</li><li>Database file name suffix: should only have one dot by default. Example: .h2db
</li><li>Issue 196: Function based indexes
</li><li>ALTER TABLE ... ADD COLUMN IF NOT EXISTS columnName.
</li><li>Fix the disk space leak (killing the process at the exact right moment will increase
the disk space usage; this space is not re-used). See TestDiskSpaceLeak.java
</li><li>ROWNUM: Oracle compatibility when used within a subquery. Issue 198.
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@@ -464,7 +453,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
or to prevent to login with the same username and password from different IPs.
Possibly using the DatabaseEventListener API, or a new API.
</li><li>Compatibility for data type CHAR (Derby, HSQLDB). Issue 212.
</li><li>Compatibility with MySQL TIMESTAMPDIFF. Issue 209.
</li><li>Optimizer: use a histogram of the data, specially for non-normal distributions.
</li><li>Trigger: allow declaring as source code (like functions).
</li><li>User defined aggregate: allow declaring as source code (like functions).
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@@ -510,8 +498,6 @@ See also <a href="build.html#providing_patches">Providing Patches</a>.
</li><li>Single-column primary key values are always stored explicitly. This is not required.
</li><li>Compatibility with MySQL: support CREATE TABLE TEST(NAME VARCHAR(255) CHARACTER SET UTF8).
</li><li>CALL is incompatible with other databases because it returns a result set, so that CallableStatement.execute() returns true.
</li><li>Optimization for large lists for column IN(1, 2, 3, 4,...) - currently an list is used, could potentially use a hash set
(maybe only for a part of the values - the ones that can be evaluated).
</li><li>Compatibility for ARRAY data type (Oracle: VARRAY(n) of VARCHAR(m); HSQLDB: VARCHAR(n) ARRAY; Postgres: VARCHAR(n)[]).
90121=Databáze byla již ukončena (pro deaktivaci automatického ukončení při zastavení virtuálního stroje přidejte parametr ";DB_CLOSE_ON_EXIT=FALSE" do URL databáze)
90122=Operace není podporována pro tabulku {0}, pokud na tabulku existují pohledy: {1}
90122=#The WITH TIES clause is not allowed without a corresponding ORDER BY clause.
90123=Nelze vzájemně míchat indexované a neindexované parametry
90124=Soubor nenalezen: {0}
90125=Neplatná třída, očekáváno {0}, ale obdrženo {1}
90121=Die Datenbank wurde bereits geschlossen (um das automatische Schliessen beim Stopp der VM zu deaktivieren, die Datenbank URL mit ";DB_CLOSE_ON_EXIT=FALSE" ergänzen)
90122=Funktion nicht unterstützt für Tabelle {0} wenn Views auf die Tabelle vorhanden sind: {1}
90122=#The WITH TIES clause is not allowed without a corresponding ORDER BY clause.
90123=Kann nicht indizierte und nicht indizierte Parameter mischen
90121=La base de datos ya esta cerrada (para des-habilitar el cerrado automatico durante el shutdown de la VM, agregue ";DB_CLOSE_ON_EXIT=FALSE" a la URL de conexión)
90122=Operación no soportada para la tabla {0} cuando existen vistas sobre la tabla: {1}
90122=#The WITH TIES clause is not allowed without a corresponding ORDER BY clause.
90123=No se puede mezclar parametros indexados y no-indexados
90124=Archivo no encontrado: {0}
90125=Clase Invalida, se esperaba {0} pero se obtuvo {1}
90119=Le type de données utilisateur {0} existe déjà
90120=Type de données utilisateur {0} non trouvé
90121=La base de données est déjà fermée (pour désactiver la fermeture automatique à l'arrêt de la VM, ajoutez "; DB_CLOSE_ON_EXIT = FALSE" à l'URL db)
90122=Opération non prise en charge pour la table {0} lorsqu'il existe des vues sur la table: {1}
90122=#The WITH TIES clause is not allowed without a corresponding ORDER BY clause.
90123=Impossible de mélanger des paramètres indexés et non-indexés
90124=Fichier non trouvé: {0}
90125=Classe invalide, attendue {0} mais obtenue {1}
90120=Tipo de dados do usuário {0} não foram encontrados
90121=Base de dados já está fechada (para desabilitar o fechamento automático quando a VM terminar, addicione ";DB_CLOSE_ON_EXIT=FALSE" na url da base de dados)
90122=Operação não suportada para a tabela {0} quando existe alguma vista sobre a tabela: {1}
90122=#The WITH TIES clause is not allowed without a corresponding ORDER BY clause.
90123=Não pode combinar parâmetros de índices com não índices
