You need to create a pull request on github. On Wed, Nov 9, 2011 at 1:41 PM, Lars Sonchocky-Helldorf < [email protected]> wrote:
> > Am 08.11.2011 um 20:56 schrieb Lars Sonchocky-Helldorf: > > > Hi folks! > > > > > > For reason not to be discussed here my coworker has created a PostgreSQL > 9 database table like follows: > > > > CREATE TABLE systemmessagecontent > > ( > > id integer NOT NULL, > > "language" character(2) NOT NULL, > > message text NOT NULL, > > subject character varying(255) NOT NULL, > > systemmessageid integer NOT NULL, > > CONSTRAINT systemmessagecontent_pkey PRIMARY KEY (id), > > CONSTRAINT systemmessagecontent_systemmessage_fk FOREIGN KEY > (systemmessageid) > > REFERENCES systemmessage (id) MATCH SIMPLE > > ON UPDATE NO ACTION ON DELETE NO ACTION > > ) > > > > The interesting point here is column "language" which is a two character > fixed string. > > > > In the corresponding EOModel the property for this has "char" as > External Type and an External Width of 2 and no prototype (since there is > nothing matching). > > > > > > > > When running the application and trying to update that property/column > the following SQL is generated: > > > > Nov 08 18:28:34 BKAdmin[55555] DEBUG NSLog - === Begin Internal > Transaction > > Nov 08 18:28:34 BKAdmin[55555] DEBUG NSLog - evaluateExpression: > <com.webobjects.jdbcadaptor.PostgresqlExpression: "UPDATE > SystemMessageContent SET language = ?::char WHERE (id = ?::int4 AND > systemMessageID = ?::int4)" withBindings: 1:"de"(language), 2:28(id), > 3:48(systemMessageID)> > > Nov 08 18:28:34 BKAdmin[55555] DEBUG NSLog - === Commit Internal > Transaction > > > > Remarkable here is the "?::char" Obviously this is a cast into a single > character type of PostgreSQL. > > > > see > http://www.postgresql.org/docs/9.1/interactive/datatype-character.htmltable > 8-5 for this. > > > > > > > > Correct would have been to use character(2) or char(2) as my tests with > PGAdmin revealed: > > > > At first I fired the following SQL: > > > > UPDATE SystemMessageContent SET language = 'de'::char WHERE (id = > 28::int4 AND systemMessageID = 48::int4) > > > > The result was the same like the one from the WOApp itself, after > updating the database contained this: "d " > > > > > > When I changed the query accordingly ('de'::char to 'de'::char(2)) I got > what I expected: > > > > UPDATE SystemMessageContent SET language = 'de'::char(2) WHERE (id = > 28::int4 AND systemMessageID = 48::int4) > > > > After this the database contained a "de". > > > > > > Trying to use "char(2)" as External Type in my EOModel (instead of > "char") I've got the following exception: > > > > Nov 08 18:40:36 BKAdmin[55555] WARN NSLog - *** JDBCAdaptor : no type > info found for char(2) > > Nov 08 18:40:36 BKAdmin[55555] DEBUG NSLog - === Begin Internal > Transaction > > Nov 08 18:46:49 BKAdmin[55555] INFO er.transaction.adaptor.Exceptions > - Database Exception occured: > com.webobjects.eoaccess.EOGeneralAdaptorException: Unable to find type > information for external type 'char(2)' in attribute 'language' of entity > 'SystemMessageContent'. Check spelling and capitalization. > > > > > > Now I think that maybe "char" was the right External Type to begin with. > Only the JDBCAdaptor did not respect the external with of "2" and did not > mangle "char" into "char(2)" > > > > > > Is there something I can do about this? > > Adding the following to > PostgresqlPlugIn.framework/Resources/JDBCInfo.plist: > > "character" = { > "defaultJDBCType" = ( > "CHAR" > ); > "createParams" = "1"; > "maxScale" = "0"; > "minScale" = "0"; > "isNullable" = "T"; > "isSearchable" = "T"; > "precision" = "10485760"; > }; > > and setting "character" as External Type in the corresponding EOModel did > help. > > The result then is: > > Nov 09 13:13:18 BKAdmin[55555] DEBUG NSLog - === Begin Internal > Transaction > Nov 09 13:13:18 BKAdmin[55555] DEBUG NSLog - evaluateExpression: > <com.webobjects.jdbcadaptor.PostgresqlExpression: "UPDATE > SystemMessageContent SET language = ?::character(2) WHERE (id = ?::int4 AND > systemMessageID = ?::int4)" withBindings: 1:"de"(language), 2:28(id), > 3:48(systemMessageID)> > Nov 09 13:13:18 BKAdmin[55555] DEBUG NSLog - === Commit Internal > Transaction > > Could somebody with commit access to the PostgresqlPlugIn.framework please > add this code upstream? > > > > cheers, > > Lars _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list ([email protected]) > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/webobjects-dev/johnthuss%40gmail.com > > This email sent to [email protected] >
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