我正在尝试在表中插入一个数组,但我需要将列表转换为SQL数组类型.我正在使用该Connection#createArrayOf()方法,但我得到了一个例外.
我需要传递一个类型名称,但我不知道这是什么,我总是得到一个例外.该数组来自VARCHAR.
我怎么解决这个插入数组？
代码
Object[] array = new Object[token.getCategories().size()];
array = token.getCategories().toArray();
pstmTokenInsert.setArray(1, conn.createArrayOf("VARCHAR", array));
堆栈跟踪
org.postgresql.util.PSQLException: Could not find array type for data type VARCHAR
at org.postgresql.jdbc4.AbstractJdbc4Connection.createArrayOf(AbstractJdbc4Connection.java:73)
at org.postgresql.jdbc4.Jdbc4Connection.createArrayOf(Jdbc4Connection.java:21)
at org.apache.commons.dbcp.DelegatingConnection.createArrayOf(DelegatingConnection.java:560)
at br.ifsp.da.data.TokenDAO.insertTokens(TokenDAO.java:37)
at br.ifsp.da.data.ProcessedPageInserter.loopInsertion(ProcessedPageInserter.java:44)
at br.ifsp.da.data.ProcessedPageInserter.call(ProcessedPageInserter.java:27)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)