public byte[] exportDrillthroughCsv(String queryName, int maxrows) {
OlapStatement stmt = null;
try {
final OlapConnection con =
olapDiscoverService.getNativeConnection(
getQuery(queryName).getCube().getConnectionName());
stmt = con.createStatement();
String mdx = getMDXQuery(queryName);
if (maxrows > 0) {
mdx = "DRILLTHROUGH MAXROWS " + maxrows + " " + mdx;
} else {
mdx = "DRILLTHROUGH " + mdx;
}
ResultSet rs = stmt.executeQuery(mdx);
return CsvExporter.exportCsv(rs);
} catch (SQLException e) {
throw new SaikuServiceException("Error DRILLTHROUGH: " + queryName, e);
} finally {
try {
if (stmt != null) stmt.close();
} catch (Exception e) {
}
}
}
public ResultSet drillthrough(String queryName, int maxrows, String returns) {
OlapStatement stmt = null;
try {
final OlapConnection con =
olapDiscoverService.getNativeConnection(
getQuery(queryName).getCube().getConnectionName());
stmt = con.createStatement();
String mdx = getMDXQuery(queryName);
if (maxrows > 0) {
mdx = "DRILLTHROUGH MAXROWS " + maxrows + " " + mdx;
} else {
mdx = "DRILLTHROUGH " + mdx;
}
if (StringUtils.isNotBlank(returns)) {
mdx += "\r\n RETURN " + returns;
}
ResultSet rs = stmt.executeQuery(mdx);
return rs;
} catch (SQLException e) {
throw new SaikuServiceException("Error DRILLTHROUGH: " + queryName, e);
} finally {
try {
if (stmt != null) stmt.close();
} catch (Exception e) {
}
}
}
public ResultSet explain(String queryName) {
OlapStatement stmt = null;
try {
final OlapConnection con =
olapDiscoverService.getNativeConnection(
getQuery(queryName).getCube().getConnectionName());
if (!con.isWrapperFor(RolapConnection.class))
throw new IllegalArgumentException("Cannot only get explain plan for Mondrian connections");
stmt = con.createStatement();
String mdx = getMDXQuery(queryName);
mdx = "EXPLAIN PLAN FOR \n" + mdx;
ResultSet rs = stmt.executeQuery(mdx);
return rs;
} catch (Exception e) {
throw new SaikuServiceException("Error EXPLAIN: " + queryName, e);
} finally {
try {
if (stmt != null) stmt.close();
} catch (Exception e) {
}
}
}
public ResultSet drillthrough(
String queryName, List<Integer> cellPosition, Integer maxrows, String returns) {
OlapStatement stmt = null;
try {
IQuery query = getIQuery(queryName);
CellSet cs = query.getCellset();
SaikuCube cube = getQuery(queryName).getCube();
final OlapConnection con = olapDiscoverService.getNativeConnection(cube.getConnectionName());
stmt = con.createStatement();
String select = null;
StringBuffer buf = new StringBuffer();
buf.append("SELECT (");
for (int i = 0; i < cellPosition.size(); i++) {
List<Member> members =
cs.getAxes().get(i).getPositions().get(cellPosition.get(i)).getMembers();
for (int k = 0; k < members.size(); k++) {
Member m = members.get(k);
if (k > 0 || i > 0) {
buf.append(", ");
}
buf.append(m.getUniqueName());
}
}
buf.append(") ON COLUMNS \r\n");
buf.append("FROM " + cube.getCubeName() + "\r\n");
SelectNode sn = (new DefaultMdxParserImpl().parseSelect(getMDXQuery(queryName)));
final Writer writer = new StringWriter();
sn.getFilterAxis().unparse(new ParseTreeWriter(new PrintWriter(writer)));
if (StringUtils.isNotBlank(writer.toString())) {
buf.append("WHERE " + writer.toString());
}
select = buf.toString();
if (maxrows > 0) {
select = "DRILLTHROUGH MAXROWS " + maxrows + " " + select + "\r\n";
} else {
select = "DRILLTHROUGH " + select + "\r\n";
}
if (StringUtils.isNotBlank(returns)) {
select += "\r\n RETURN " + returns;
}
log.debug("Drill Through for query (" + queryName + ") : \r\n" + select);
ResultSet rs = stmt.executeQuery(select);
return rs;
} catch (Exception e) {
throw new SaikuServiceException("Error DRILLTHROUGH: " + queryName, e);
} finally {
try {
if (stmt != null) stmt.close();
} catch (Exception e) {
}
}
}
public static CellSet getResultSet(String mdx, OlapConnection conn) throws OlapException {
OlapStatement statement = conn.createStatement();
CellSet cellSet = statement.executeOlapQuery(mdx);
return cellSet;
}
