Re: [INTERFACES] JDBC ResultSetMetaData.getColumnType and getColumnTypeName work properly?
От | Peter T Mount |
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Тема | Re: [INTERFACES] JDBC ResultSetMetaData.getColumnType and getColumnTypeName work properly? |
Дата | |
Msg-id | Pine.LNX.4.04.9812281349360.1522-100000@maidast.retep.org.uk обсуждение исходный текст |
Ответ на | JDBC ResultSetMetaData.getColumnType and getColumnTypeName work properly? (Shankha Mitra <ssm@antrim.com>) |
Ответы |
Re: [INTERFACES] JDBC ResultSetMetaData.getColumnType and
getColumnTypeName work properly?
|
Список | pgsql-interfaces |
On Fri, 25 Dec 1998, Shankha Mitra wrote: > If I create a table thus: > > CREATE TABLE title ( > title text NOT NULL, > editions int4[] > ); > > and through the JDBC ResultMetaData.getColumnType() interface try to get > the > type of the 'editions' column, I get the value sql.Types.OTHER. I would > have > guessed it would have been Types.ARRAY. Am I missing something? Yes, there is no constant of Types.ARRAY in JDBC (see below). The implementation sets the type to OTHER if it doesn't recognise it. > Also getColumnTypeName() returns _int4; is that correct? no, it should return String - will check. > Shankha Mitra > > > As an aside, I decided to print out the values of all the JDBC types and > I get: > ARRAY=2003 In JDBC2 2003 equates to the new value Types.REF (atleast in my copy of the documentation), and there is no ARRAY type. What JDK are you using? Looking at these values, 2000 and higher are introduced in 1.2 so they will not yet be supported. Currently JDK2 (formerly 1.20 is not supported. I'm about to start work on this today - having to revert to Win95 to do it though :-( ) > BIGINT=-5 > BINARY=-2 > BIT=-7 > BLOB=2004 > CHAR=1 > CLOB=2005 > DATE=91 > DECIMAL=3 > DISTINCT=2001 > DOUBLE=8 > FLOAT=6 > INTEGER=4 > JAVA_OBJECT=2000 > LONGVARBINARY=-4 > LONGVARCHAR=-1 > NULL=0 > NUMERIC=2 > OTHER=1111 > REAL=7 > REF=2006 > SMALLINT=5 > STRUCT=2002 > TIME=92 > TIMESTAMP=93 > TINYINT=-6 > VARBINARY=-3 > VARCHAR=12 -- Peter T Mount peter@retep.org.uk Main Homepage: http://www.retep.org.uk PostgreSQL JDBC Faq: http://www.retep.org.uk/postgres Java PDF Generator: http://www.retep.org.uk/pdf
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