Re: DatabaseMetaData.getTables() doesn't sort its result
От | Bruce Momjian |
---|---|
Тема | Re: DatabaseMetaData.getTables() doesn't sort its result |
Дата | |
Msg-id | 200105160349.f4G3nWd27644@candle.pha.pa.us обсуждение исходный текст |
Ответ на | DatabaseMetaData.getTables() doesn't sort its result (Jeroen van Vianen <jeroen.van.vianen@satama.com>) |
Список | pgsql-jdbc |
Patch applied for 7.2. Thanks. > Hi, > > Here's an easy patch for todays snapshot to sort the result of the > > public ResultSet getTables(String catalog, String schemaPattern, String > tableNamePattern, String[] types) throws SQLException > > method: > > Compare: > (<)J:\postgresql-snapshot\src\interfaces\jdbc\org\postgresql\jdbc2\DatabaseMetaData.java > (89441 bytes) > with: > (>)J:\postgresql-snapshot\src\interfaces\jdbc\org\postgresql\jdbc2\DatabaseMetaData.java.orig > (89415 bytes) > > 1669c1669 > < sql.append("' order by relkind, relname"); > --- > > sql.append("'"); > > This is required by the JDBC spec: It says "They are ordered by TABLE_TYPE, > TABLE_SCHEM and TABLE_NAME." > > <newbie> > I was wondering while looking through the code why outer joins are not used > for certain queries, e.g. in the getTables() method to get the comments for > a particular table. > </newbie> > > > Cheers, > > > Jeroen > > > ---------------------------(end of broadcast)--------------------------- > TIP 6: Have you searched our list archives? > > http://www.postgresql.org/search.mpl > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026 Index: src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java =================================================================== RCS file: /home/projects/pgsql/cvsroot/pgsql/src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java,v retrieving revision 1.16 diff -c -r1.16 DatabaseMetaData.java *** src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java 2001/05/16 03:40:25 1.16 --- src/interfaces/jdbc/org/postgresql/jdbc2/DatabaseMetaData.java 2001/05/16 03:47:08 *************** *** 1666,1672 **** // Now take the pattern into account sql.append(") and relname like '"); sql.append(tableNamePattern.toLowerCase()); ! sql.append("'"); // Now run the query r = connection.ExecSQL(sql.toString()); --- 1666,1672 ---- // Now take the pattern into account sql.append(") and relname like '"); sql.append(tableNamePattern.toLowerCase()); ! sql.append("' order by relkind, relname"); // Now run the query r = connection.ExecSQL(sql.toString());
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