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//base1
JoinRowSet jrs = new JoinRowSetImpl();
rs = stmt.executeQuery("select idContrat, cClient from Clients")...
CachedRowSet versement = new CachedRowSetImpl();
versement.populate(rs);
versement.setMatchColumn(1);
jrs.addRowSet(versement);
//base2
rs2 = stmt.executeQuery("select idContrat, prixContrat, hContrat from Contrats")..
CachedRowSet ct = new CachedRowSetImpl();
ct .populate(rs2);
ct .setMatchColumn(1); // Le critère de jointure
jrs.addRowSet(ct);
RowSetMetaDataImpl rsm = (RowSetMetaDataImpl) jrs.getMetaData();
for (int i=1; i<=rsm.getColumnCount(); i++){
System.out.println(rsm.getColumnName(i) + "---" + rsm.getColumnLabel(i));
//console
idContrat --- Contrat
cClient --- Code Client
prixContrat --- Null
hContrat --- Prix Contrat (parfois un décalage...) |
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