[KYUUBI #4406] Revert "[KYUUBI #4305][Bug] Backport HIVE-15820: comme…

…nt at the head …

…of beeline -e"

This reverts commit c489e29.

### _Why are the changes needed?_

#4333 (comment)

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/master/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #4406 from cfmcgrady/revert-4333.

Closes #4406

Closes #4305

c7fff72 [Fu Chen] Revert "[KYUUBI #4305][Bug] Backport HIVE-15820: comment at the head of beeline -e"

Authored-by: Fu Chen <cfmcgrady@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
(cherry picked from commit b39caed)
Signed-off-by: Cheng Pan <chengpan@apache.org>

kyuubi-hive-beeline/src/main/java/org/apache/hive/beeline/KyuubiBeeLine.java

@@ -29,7 +29,6 @@
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.Options;
 import org.apache.commons.cli.ParseException;
-import org.apache.hive.common.util.HiveStringUtils;
 
 public class KyuubiBeeLine extends BeeLine {
   public static final String KYUUBI_BEELINE_DEFAULT_JDBC_DRIVER =
@@ -193,9 +192,4 @@ int initArgs(String[] args) {
     }
     return code;
   }
-
-  @Override
-  boolean dispatch(String line) {
-    return super.dispatch(HiveStringUtils.removeComments(line));
-  }
 }

kyuubi-hive-beeline/src/main/java/org/apache/hive/beeline/KyuubiCommands.java

@@ -23,7 +23,6 @@
 import java.sql.*;
 import java.util.*;
 import org.apache.hive.beeline.logs.KyuubiBeelineInPlaceUpdateStream;
-import org.apache.hive.common.util.HiveStringUtils;
 import org.apache.kyuubi.jdbc.hive.KyuubiStatement;
 import org.apache.kyuubi.jdbc.hive.Utils;
 import org.apache.kyuubi.jdbc.hive.logs.InPlaceUpdateStream;
@@ -500,7 +499,7 @@ public boolean connect(Properties props) throws IOException {
 
   @Override
   public String handleMultiLineCmd(String line) throws IOException {
-    line = HiveStringUtils.removeComments(line);
+    int[] startQuote = {-1};
     Character mask =
         (System.getProperty("jline.terminal", "").equals("jline.UnsupportedTerminal"))
             ? null
@@ -531,8 +530,7 @@ public String handleMultiLineCmd(String line) throws IOException {
       if (extra == null) { // it happens when using -f and the line of cmds does not end with ;
         break;
       }
-      extra = HiveStringUtils.removeComments(extra);
-      if (extra != null && !extra.isEmpty()) {
+      if (!extra.isEmpty()) {
         line += "\n" + extra;
       }
     }

kyuubi-hive-beeline/src/test/java/org/apache/hive/beeline/KyuubiBeeLineTest.java

@@ -29,17 +29,4 @@ public void testKyuubiBeelineWithoutArgs() {
     int result = kyuubiBeeLine.initArgs(new String[0]);
     assertEquals(0, result);
   }
-
-  @Test
-  public void testKyuubiBeelineComment() {
-    KyuubiBeeLine kyuubiBeeLine = new KyuubiBeeLine();
-    int result = kyuubiBeeLine.initArgsFromCliVars(new String[] {"-e", "--comment show database;"});
-    assertEquals(0, result);
-    result = kyuubiBeeLine.initArgsFromCliVars(new String[] {"-e", "--comment\n show database;"});
-    assertEquals(1, result);
-    result =
-        kyuubiBeeLine.initArgsFromCliVars(
-            new String[] {"-e", "--comment line 1 \n    --comment line 2 \n show database;"});
-    assertEquals(1, result);
-  }
 }