Re: PreparedStatement.executeBatch() error? 7.3 - Mailing list pgsql-jdbc

I've been unable to reproduce this with the current 7.3 driver and the
following code.  You will need to provide a some more detail if you're
still experiencing this problem.

Kris Jurka

import java.sql.*;

public class BatchPstmt {

        // CREATE TABLE batchstmt(a text, b varchar(50), c int, d bytea);

        public static void main(String args[]) throws Exception {
                Class.forName("org.postgresql.Driver");
                Connection conn =
DriverManager.getConnection("jdbc:postgresql://localhost:5432/jurka","jurka","");
                PreparedStatement pstmt = conn.prepareStatement("insert into batchpstmt values (?,?,?,?)");
                byte bytes[] = new byte[0];
                for (int i=0; i<5; i++) {
                        pstmt.setString(1,"CASENUMBER");
                        pstmt.setString(2,"NCIC");
                        pstmt.setInt(3,i);
                        pstmt.setBytes(4,bytes);
                        pstmt.addBatch();
                }
                pstmt.executeBatch();
                pstmt.close();
                conn.close();
        }
}

On 7 Feb 2003, Jeremiah Jahn wrote:

> The following code doesn't work, but if in place of doing an addBatch
> loop with an executeBatch(), I do an executeUpdate each time it does
> work. I get a parse error from the db server:
>
> ERROR:  parser: parse error at or near "'1998CF43'" at character 4202
>
> this corresponds to the first value. I'm using the jdbc3 jar for this.
>
>  PreparedStatement pStatement = connection.prepareStatement("insert into case_data_store values (?,?,?,?)");
>         ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
>
>         for (int current_chunk = 0; current_chunk < chunk_count; current_chunk++){
>
>         pStatement.setString(1,values.get("CASENUMBER").toString());
>         pStatement.setString(2,values.get("NCIC").toString());
>         pStatement.setInt(3,current_chunk);
>         pStatement.setBytes(4,baos.toByteArray());
>         pStatement.addBatch();
>         //pStatement.executeUpdate();
>
>         }
>
>         pStatement.executeBatch();
>
>
>
> This is the stack trace:
> java.lang.ArrayIndexOutOfBoundsException: 1
>         at
> org.postgresql.core.QueryExecutor.sendQuery(QueryExecutor.java:143)
>         at
> org.postgresql.core.QueryExecutor.execute(QueryExecutor.java:65)
>         at
> org.postgresql.jdbc1.AbstractJdbc1Connection.ExecSQL(AbstractJdbc1Connection.java:451)
>         at
> org.postgresql.jdbc1.AbstractJdbc1Statement.execute(AbstractJdbc1Statement.java:281)
>         at
> org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:48)
>         at
> org.postgresql.jdbc1.AbstractJdbc1Statement.executeUpdate(AbstractJdbc1Statement.java:179)
>         at
> org.postgresql.jdbc1.AbstractJdbc1Statement.executeUpdate(AbstractJdbc1Statement.java:165)
>         at
> org.postgresql.jdbc2.AbstractJdbc2Statement.executeBatch(AbstractJdbc2Statement.java:80)
>
>
> --
> Jeremiah Jahn <jeremiah@cs.earlham.edu>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 1: subscribe and unsubscribe commands go to majordomo@postgresql.org
>