PostgresByteArrayType


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19  
20  package org.apache.cayenne.dba.postgres;
21  
22  import java.sql.PreparedStatement  ;
23  import java.sql.Types  ;
24  
25  import org.apache.cayenne.access.types.ByteArrayType;
26  
27  /**
28   * PostgresByteArrayType is a byte[] type handler that patches the problem with PostgreSQL
29   * JDBC driver. Namely the fact that for some misterious reason PostgreSQL JDBC driver (as
30   * of 7.3.5) completely ignores the existence of LONGVARBINARY type.
31   * 
32   * @since 1.2
33   */
34  class PostgresByteArrayType extends ByteArrayType {
35  
36      public PostgresByteArrayType(boolean trimmingBytes, boolean usingBlobs) {
37          super(trimmingBytes, usingBlobs);
38      }
39  
40      public void setJdbcObject(
41              PreparedStatement   st,
42              Object   val,
43              int pos,
44              int type,
45              int precision) throws Exception   {
46  
47          // patch PGSQL driver LONGVARBINARY ignorance
48          if (type == Types.LONGVARBINARY) {
49              type = Types.VARBINARY;
50          }
51  
52          super.setJdbcObject(st, val, pos, type, precision);
53      }
54  }
55
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