Difference between revisions of "Database/Drivers/MySQL Native/Known Driver Problems"

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(New page: = Connector/OpenOffice.org development issues to discuss with OOo team = == Base related == === Empty schemata not shown === Create an empty schemata/database. Create a new Base databas...)
 
 
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= Connector/OpenOffice.org development issues to discuss with OOo team =
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#REDIRECT [[Database/Drivers/MySQL Native/Known Problems]]
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== Base related ==
 
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=== Empty schemata not shown ===
 
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Create an empty schemata/database. Create a new Base database which connects to an empty MySQL database. The MySQL database is not show. Reason: OOo calls getTables() - no tables - schema not displayed. Setting might even be cached - verify that database becomes visible after creating table (from mysql prompt) in schema.
 
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=== DECIMAL shown as TEXT ===
 
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Base shows numerical DECIMAL columns as TEXT. I'm 95% sure C/C++ and C/OOo report a proper column type.
 
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=== OOo shows unrelated databases/schemata ===
 
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Create a new Base database that connects to a MySQL schemata "test". Have "test" in the connection settings! OOo will ignore it and query MySQL for all tables in all schematas.
 
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000514/01/0000116      OConnection::getMetaData
 
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0000515/01/0000117      ODatabaseMetaData::getURL
 
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0000517/01/0000118      OConnection::getMetaData
 
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0000518/01/0000119      ODatabaseMetaData::getTables
 
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0000519/01/0000120              >MySQL_ConnectionMetaData::getTables
 
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0000520/02/0000121              |  INF: catalog= schemaPattern=% tablePattern=%
 
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As a consequence the user will see all schemata he has access to not only the schemata/database "test" as requested in the connection settings
 
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=== No default schema on table creation ===
 
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Base does not preselect a default schema in the table editor dialog. Its does not even if you connect to a schema (see also OOo shows unrelated databases/schemata)
 
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=== No way to set MySQL specific table attributes ===
 
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The Base table editor does not give access to table attributes. Not even basic ones such as the Engine (MyISAM: non-transactional, InnoDB: transactional).
 
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=== Base does not recognize schema changes ===
 
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After connecting to a database and opening a table once, Base will not recognize changes applied to the DB schema meanwhile when opening the table in the table editor again.
 
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=== Base table column comments ===
 
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Likely a Feature Request: Base table column comments are not synchronized with the MySQL DB and its schema.
 
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== Unclassified: Base and/or Driver related ==
 
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=== Default values not properly processed ===
 
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The Base table editor neither properly sets default values nor does it re-engineer default values properly.
 
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=== SMALLINT becomes REAL ===
 
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When loading a table with a SMALLINT column it is shown as a FLOAT/REAL column in Base
 
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=== BIGINT values crippled? ===
 
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Large BIGINT values are displayed in Base using scientific notation: 1e+15. If one changes the display format to number #.### the first 14 values of a large number (9223372036854775807) are displayed properly but then some rounding takes place, for example: 9223372036854800000. Connector/C++ can handle long long (L64) values properly and Base does use getLong() nevertheless the displayed value seems wrong.
 
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=== TIME value range ===
 
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[http://dev.mysql.com/doc/refman/5.1/en/time.html|MySQL's TIME] data type may have a significantly larger value range than the Base counterpart.
 
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== MySQL related ==
 
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=== information_schema (I_S) not shown in schema list ===
 
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SHOW DATABASES shows the I_S. When quering the I_S for schema, the I_S will not expose itself. Different versions of Connector/C++ use different ways to fetch schema lists. Until and including Alpha SHOW DATABSES is used.
 
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=== TINYINT / BOOLEAN ===
 
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Educate Base users on [http://dev.mysql.com/doc/refman/5.1/en/other-vendor-data-types.html MySQL Server type mappings], for example BOOL[EAN] -> TINYINT.
 
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=== DatabseMetaData::getColumns() COLUMN_SIZE ===
 
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DatabseMetaData::getColumns() takes COLUMN_SIZE from getDisplaySize(). getDisplaySize() returns always 20, which needs to be tweaked on a per-datatype basis.
 
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Affected: DECIMAL/FLOAT.
 
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=== DatabseMetaData::getColumns() DECIMAL_DIGITS ===
 
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DatabseMetaData::getColumns() does not set DECIMAL_DIGITS. Therefore, Base does not show it properly.
 

Latest revision as of 08:52, 8 January 2009

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