antville/helma
antville/helma
1
1
Fork 0
Code Issues 5 Pull requests 5 Projects Releases 5 Activity Actions

Read long columns in streaming mode if need be (if getString() throws an exception)

Browse source
This commit is contained in:
hns 2003-01-28 14:54:26 +00:00
parent 965d758eae
commit d3eb3b8d5d
1 changed files with 22 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
src/helma/objectmodel/db/Node.java
View file

@ -179,7 +179,7 @@ public final class Node implements INode, Serializable {
*/
public Node (String name, String id, String prototype, WrappedNodeManager nmgr) {
this.nmgr = nmgr;
this.id = id;
this.id = id;
this.name = name == null || "".equals (name) ? id : name;
if (prototype != null)
setPrototype (prototype);
@ -235,7 +235,7 @@ public final class Node implements INode, Serializable {
* Constructor used for nodes being stored in a relational database table.
*/
public Node (DbMapping dbm, ResultSet rs, DbColumn[] columns, WrappedNodeManager nmgr)
throws SQLException {
throws SQLException, IOException {
this.nmgr = nmgr;
// see what prototype/DbMapping this object should use
@ -302,13 +302,32 @@ public final class Node implements INode, Serializable {
newprop.setIntegerValue (num.longValue ());
break;
case Types.LONGVARBINARY:
case Types.VARBINARY:
case Types.BINARY:
newprop.setStringValue (rs.getString(columns[i].getName()));
break;
case Types.LONGVARBINARY:
case Types.LONGVARCHAR:
try {
newprop.setStringValue (rs.getString(columns[i].getName()));
} catch (SQLException x) {
Reader in = rs.getCharacterStream(columns[i].getName());
char[] buffer = new char[2048];
int read = 0, r = 0;
while ((r = in.read (buffer, read, buffer.length-read)) > -1) {
read += r;
if (read == buffer.length) {
// grow input buffer
char[] newBuffer = new char[buffer.length*2];
System.arraycopy (buffer, 0, newBuffer, 0, buffer.length);
buffer = newBuffer;
}
}
newprop.setStringValue (new String(buffer, 0, read));
}
break;
case Types.CHAR:
case Types.VARCHAR:
case Types.OTHER: