[branch2.1] pick [fix](show) show create table show index comment err… (#37034)

## Proposed changes
pick https://github.com/apache/doris/pull/36306

fe/fe-core/src/main/java/org/apache/doris/catalog/Index.java

@@ -23,11 +23,13 @@ import org.apache.doris.common.AnalysisException;
 import org.apache.doris.common.io.Text;
 import org.apache.doris.common.io.Writable;
 import org.apache.doris.common.util.PrintableMap;
+import org.apache.doris.common.util.SqlUtils;
 import org.apache.doris.persist.gson.GsonUtils;
 import org.apache.doris.thrift.TIndexType;
 import org.apache.doris.thrift.TOlapTableIndex;
 
 import com.google.gson.annotations.SerializedName;
+import org.apache.commons.lang3.StringUtils;
 
 import java.io.DataInput;
 import java.io.DataOutput;
@@ -62,7 +64,7 @@ public class Index implements Writable {
     private String comment;
 
     public Index(long indexId, String indexName, List<String> columns,
-                 IndexDef.IndexType indexType, Map<String, String> properties, String comment) {
+            IndexDef.IndexType indexType, Map<String, String> properties, String comment) {
         this.indexId = indexId;
         this.indexName = indexName;
         this.columns = columns;
@@ -148,7 +150,14 @@ public class Index implements Writable {
     }
 
     public String getComment() {
-        return comment;
+        return getComment(false);
+    }
+
+    public String getComment(boolean escapeQuota) {
+        if (!escapeQuota) {
+            return comment;
+        }
+        return SqlUtils.escapeQuota(comment);
     }
 
     public void setComment(String comment) {
@@ -172,7 +181,7 @@ public class Index implements Writable {
 
     public Index clone() {
         return new Index(indexId, indexName, new ArrayList<>(columns),
-                         indexType, new HashMap<>(properties), comment);
+                indexType, new HashMap<>(properties), comment);
     }
 
     @Override
@@ -201,8 +210,8 @@ public class Index implements Writable {
             sb.append(" PROPERTIES");
             sb.append(getPropertiesString());
         }
-        if (comment != null) {
-            sb.append(" COMMENT '" + comment + "'");
+        if (StringUtils.isNotBlank(comment)) {
+            sb.append(" COMMENT '").append(getComment(true)).append("'");
         }
         return sb.toString();
     }
@@ -230,7 +239,7 @@ public class Index implements Writable {
                     column = column.toLowerCase();
                     if (bfColumns.contains(column)) {
                         throw new AnalysisException(column + " should have only one ngram bloom filter index or bloom "
-                            + "filter index");
+                                + "filter index");
                     }
                     bfColumns.add(column);
                 }
@@ -240,7 +249,7 @@ public class Index implements Writable {
             column = column.toLowerCase();
             if (bfColumns.contains(column)) {
                 throw new AnalysisException(column + " should have only one ngram bloom filter index or bloom "
-                    + "filter index");
+                        + "filter index");
             }
             bfColumns.add(column);
         }

fe/fe-core/src/main/java/org/apache/doris/nereids/parser/LogicalPlanBuilder.java

@@ -2749,7 +2749,9 @@ public class LogicalPlanBuilder extends DorisParserBaseVisitor<Object> {
         List<String> indexCols = visitIdentifierList(ctx.cols);
         Map<String, String> properties = visitPropertyItemList(ctx.properties);
         String indexType = ctx.indexType != null ? ctx.indexType.getText().toUpperCase() : null;
-        String comment = ctx.comment != null ? ctx.comment.getText() : "";
+        //comment should remove '\' and '(") at the beginning and end
+        String comment = ctx.comment == null ? "" : LogicalPlanBuilderAssistant.escapeBackSlash(
+                        ctx.comment.getText().substring(1, ctx.STRING_LITERAL().getText().length() - 1));
         // change BITMAP index to INVERTED index
         if (Config.enable_create_bitmap_index_as_inverted_index
                 && "BITMAP".equalsIgnoreCase(indexType)) {