private String getSynonymOwner(String synonymName) {
PreparedStatement ps = null;
ResultSet rs = null;
String ret = null;
try {
ps =
getConnection()
.prepareStatement(
"select table_owner from sys.all_synonyms where table_name=? and owner=?");
ps.setString(1, synonymName);
ps.setString(2, getSchema());
rs = ps.executeQuery();
if (rs.next()) {
ret = rs.getString(1);
} else {
String databaseStructure = getDatabaseStructureInfo();
throw new RuntimeException(
"Wow! Synonym " + synonymName + " not found. How can it happen? " + databaseStructure);
}
} catch (SQLException e) {
String databaseStructure = getDatabaseStructureInfo();
GLogger.error(e.getMessage(), e);
throw new RuntimeException("Exception in getting synonym owner " + databaseStructure);
} finally {
dbHelper.close(rs, ps);
}
return ret;
}
private String getDatabaseStructureInfo() {
ResultSet schemaRs = null;
ResultSet catalogRs = null;
String nl = System.getProperty("line.separator");
StringBuffer sb = new StringBuffer(nl);
// Let's give the user some feedback. The exception
// is probably related to incorrect schema configuration.
sb.append("Configured schema:").append(getSchema()).append(nl);
sb.append("Configured catalog:").append(getCatalog()).append(nl);
try {
schemaRs = getMetaData().getSchemas();
sb.append("Available schemas:").append(nl);
while (schemaRs.next()) {
sb.append(" ").append(schemaRs.getString("TABLE_SCHEM")).append(nl);
}
} catch (SQLException e2) {
GLogger.warn("Couldn't get schemas", e2);
sb.append(" ?? Couldn't get schemas ??").append(nl);
} finally {
dbHelper.close(schemaRs, null);
}
try {
catalogRs = getMetaData().getCatalogs();
sb.append("Available catalogs:").append(nl);
while (catalogRs.next()) {
sb.append(" ").append(catalogRs.getString("TABLE_CAT")).append(nl);
}
} catch (SQLException e2) {
GLogger.warn("Couldn't get catalogs", e2);
sb.append(" ?? Couldn't get catalogs ??").append(nl);
} finally {
dbHelper.close(catalogRs, null);
}
return sb.toString();
}
private void retriveTableColumns(Table table) throws SQLException {
GLogger.trace("-------setColumns(" + table.getSqlName() + ")");
List primaryKeys = getTablePrimaryKeys(table);
table.setPrimaryKeyColumns(primaryKeys);
// get the indices and unique columns
List indices = new LinkedList();
// maps index names to a list of columns in the index
Map uniqueIndices = new HashMap();
// maps column names to the index name.
Map uniqueColumns = new HashMap();
ResultSet indexRs = null;
try {
if (table.getOwnerSynonymName() != null) {
indexRs =
getMetaData()
.getIndexInfo(
getCatalog(), table.getOwnerSynonymName(), table.getSqlName(), false, true);
} else {
indexRs =
getMetaData().getIndexInfo(getCatalog(), getSchema(), table.getSqlName(), false, true);
}
while (indexRs.next()) {
String columnName = indexRs.getString("COLUMN_NAME");
if (columnName != null) {
GLogger.trace("index:" + columnName);
indices.add(columnName);
}
// now look for unique columns
String indexName = indexRs.getString("INDEX_NAME");
boolean nonUnique = indexRs.getBoolean("NON_UNIQUE");
if (!nonUnique && columnName != null && indexName != null) {
List l = (List) uniqueColumns.get(indexName);
if (l == null) {
l = new ArrayList();
uniqueColumns.put(indexName, l);
}
l.add(columnName);
uniqueIndices.put(columnName, indexName);
GLogger.trace("unique:" + columnName + " (" + indexName + ")");
}
}
} catch (Throwable t) {
// Bug #604761 Oracle getIndexInfo() needs major grants
// http://sourceforge.net/tracker/index.php?func=detail&aid=604761&group_id=36044&atid=415990
} finally {
dbHelper.close(indexRs, null);
}
List columns = getTableColumns(table, primaryKeys, indices, uniqueIndices, uniqueColumns);
for (Iterator i = columns.iterator(); i.hasNext(); ) {
Column column = (Column) i.next();
table.addColumn(column);
}
// In case none of the columns were primary keys, issue a warning.
if (primaryKeys.size() == 0) {
GLogger.warn(
"WARNING: The JDBC driver didn't report any primary key columns in "
+ table.getSqlName());
}
}