public int processCmd(String cmd) throws TException, HiveException {
SessionState ss = SessionState.get();
ss.setiscli(true);
String cmd_trimmed = cmd.trim();
String[] tokens = cmd_trimmed.split("\\s+");
String cmd_1 = cmd_trimmed.substring(tokens[0].length()).trim();
int ret = 0;
if (tokens[0].equalsIgnoreCase("delete")) {
Vector<String> nexttoken = new Vector<String>();
nexttoken.add("jar");
nexttoken.add("file");
nexttoken.add("from");
if (tokens.length < 2 || !nexttoken.contains(tokens[1].toLowerCase())) {
String errorMessage =
"\nif delete resource:\n"
+ "Usage: delete [FILE|JAR] <value> [<value>]*\n"
+ "if delete table rows:\n"
+ "Usage: delete from tableName [where searchCondition]";
console.printError(errorMessage);
ret = 1;
return ret;
}
}
if (tokens[0].equalsIgnoreCase("dfs") || tokens[0].equalsIgnoreCase("zktest")) {
String errorMessage = "\ntdw hive do not support " + tokens[0].toLowerCase() + " operation\n";
throw new HiveException(errorMessage);
}
if (cmd_trimmed.toLowerCase().equals("quit") || cmd_trimmed.toLowerCase().equals("exit")) {
System.exit(0);
} else if (cmd_trimmed.startsWith("!")) {
String shell_cmd = cmd_trimmed.substring(1);
try {
Process executor = Runtime.getRuntime().exec(shell_cmd);
StreamPrinter outPrinter = new StreamPrinter(executor.getInputStream(), null, ss.out);
StreamPrinter errPrinter = new StreamPrinter(executor.getErrorStream(), null, ss.err);
outPrinter.start();
errPrinter.start();
ret = executor.waitFor();
if (ret != 0) {
console.printError("Command failed with exit code = " + ret);
}
} catch (Exception e) {
console.printError(
"Exception raised from Shell command " + e.getLocalizedMessage(),
org.apache.hadoop.util.StringUtils.stringifyException(e));
ret = 1;
}
} else if (tokens[0].toLowerCase().equals("list")) {
SessionState.ResourceType t;
if (tokens.length < 2 || (t = SessionState.find_resource_type(tokens[1])) == null) {
console.printError(
"Usage: list ["
+ StringUtils.join(SessionState.ResourceType.values(), "|")
+ "] [<value> [<value>]*]");
ret = 1;
} else {
List<String> filter = null;
if (tokens.length >= 3) {
System.arraycopy(tokens, 2, tokens, 0, tokens.length - 2);
filter = Arrays.asList(tokens);
}
Set<String> s = ss.list_resource(t, filter);
if (s != null && !s.isEmpty()) ss.out.println(StringUtils.join(s, "\n"));
}
} else {
CommandProcessor proc = CommandProcessorFactory.get(tokens);
if (proc != null) {
if (proc instanceof Driver) {
Driver qp = (Driver) proc;
PrintStream out = ss.out;
long start = System.currentTimeMillis();
try {
ret = qp.run(cmd);
} catch (Exception e1) {
e1.printStackTrace();
}
if (ret != 0) {
qp.close();
return ret;
}
Vector<String> res = new Vector<String>();
try {
while (qp.getResults(res)) {
for (String r : res) {
out.println(r);
}
res.clear();
if (out.checkError()) {
break;
}
}
} catch (IOException e) {
console.printError(
"Failed with exception " + e.getClass().getName() + ":" + e.getMessage(),
"\n" + org.apache.hadoop.util.StringUtils.stringifyException(e));
ret = 1;
}
int cret = qp.close();
if (ret == 0) {
ret = cret;
}
long end = System.currentTimeMillis();
if (end > start) {
double timeTaken = (double) (end - start) / 1000.0;
console.printInfo("Time taken: " + timeTaken + " seconds", null);
}
} else {
try {
ret = proc.run(cmd_1);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
return ret;
}
public static void main(String[] args) throws Exception {
OptionsProcessor oproc = new OptionsProcessor();
if (!oproc.process_stage1(args)) {
System.exit(1);
}
SessionState.initHiveLog4j();
CliSessionState ss = new CliSessionState(new HiveConf(SessionState.class));
ss.in = System.in;
try {
ss.out = new PrintStream(System.out, true, "UTF-8");
ss.err = new PrintStream(System.err, true, "UTF-8");
} catch (UnsupportedEncodingException e) {
System.exit(3);
}
if (!oproc.process_stage2(ss)) {
System.exit(2);
}
HiveConf conf = ss.getConf();
for (Map.Entry<Object, Object> item : ss.cmdProperties.entrySet()) {
conf.set((String) item.getKey(), (String) item.getValue());
}
if (!ShimLoader.getHadoopShims().usesJobShell()) {
ClassLoader loader = conf.getClassLoader();
String auxJars = HiveConf.getVar(conf, HiveConf.ConfVars.HIVEAUXJARS);
if (StringUtils.isNotBlank(auxJars)) {
loader = Utilities.addToClassPath(loader, StringUtils.split(auxJars, ","));
}
conf.setClassLoader(loader);
Thread.currentThread().setContextClassLoader(loader);
}
SessionState.start(ss);
CliDriver cli = new CliDriver();
Hive hive = Hive.get();
String username = ss.getUserName();
String passwd = ss.passwd;
if (!hive.isAUser(username, passwd)) {
System.out.println("User or passwd is wrong!");
System.exit(0);
} else {
System.out.println("Connect to TDW successfully!");
}
if (ss.getDbName() == null) {
ss.setDbName(MetaStoreUtils.DEFAULT_DATABASE_NAME);
}
if (ss.execString != null) {
System.exit(cli.processLine(ss.execString));
}
try {
if (ss.fileName != null) {
System.exit(cli.processReader(new BufferedReader(new FileReader(ss.fileName))));
}
} catch (FileNotFoundException e) {
System.err.println("Could not open input file for reading. (" + e.getMessage() + ")");
System.exit(3);
}
ConsoleReader reader = new ConsoleReader();
reader.setBellEnabled(false);
List<SimpleCompletor> completors = new LinkedList<SimpleCompletor>();
completors.add(
new SimpleCompletor(
new String[] {"set", "from", "create", "load", "describe", "quit", "exit"}));
reader.addCompletor(new ArgumentCompletor(completors));
String line;
final String HISTORYFILE = ".hivehistory";
String historyFile = System.getProperty("user.home") + File.separator + HISTORYFILE;
reader.setHistory(new History(new File(historyFile)));
int ret = 0;
String prefix = "";
String curPrompt = prompt;
while ((line = reader.readLine(curPrompt + "> ")) != null) {
if (!prefix.equals("")) {
prefix += '\n';
}
if (line.trim().endsWith(";") && !line.trim().endsWith("\\;")) {
line = prefix + line;
ret = cli.processLine(line);
prefix = "";
curPrompt = prompt;
} else {
prefix = prefix + line;
curPrompt = prompt2;
continue;
}
}
System.exit(ret);
}
