modify the antlr syntax to adapt the calc-point project (#17783)

Author: alpass163

iotdb-core/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/IdentifierParser.g4

@@ -180,6 +180,8 @@ keyWords
     | PIPESINKTYPE
     | PIPEPLUGIN
     | PIPEPLUGINS
+    | POINT
+    | POINTS
     | POLICY
     | PREVIOUS
     | PREVIOUSUNTILLAST

iotdb-core/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/IoTDBSqlParser.g4

@@ -76,6 +76,8 @@ ddlStatement
     | createLogicalView | dropLogicalView | showLogicalView | renameLogicalView | alterLogicalView
     // Table View
     | createTableView
+    // for calculation point
+    | createCalcPoint | alterCalcPoint | dropCalcPoint | showCalcPoint
     ;
 
 dmlStatement
@@ -855,6 +857,30 @@ createTableView
         AS prefixPath
     ;
 
+createCalcPoint
+    : CREATE CALCULATION POINT fullPath
+        AS expression
+        STRING_LITERAL
+        comment?
+    ;
+
+alterCalcPoint
+    : ALTER CALCULATION POINT fullPath
+       (AS expression)?
+       (STRING_LITERAL)?
+       comment?
+       (DROP COMMENT)?
+    ;
+
+dropCalcPoint
+    : DROP CALCULATION POINTS prefixPath
+    ;
+
+showCalcPoint
+    : SHOW CALCULATION POINTS prefixPath
+      rowPaginationClause?
+    ;
+
 viewColumnDefinition
     : identifier columnCategory=(TAG | TIME | FIELD) comment?
     | identifier type (columnCategory=(TAG | TIME | FIELD))? comment?
@@ -1484,6 +1510,7 @@ expression
     | leftExpression=expression operator_or rightExpression=expression
     ;
 
+
 caseWhenThenExpression
     : CASE caseExpression=expression? whenThenExpression+ (ELSE elseExpression=expression)? END
     ;

iotdb-core/antlr/src/main/antlr4/org/apache/iotdb/db/qp/sql/SqlLexer.g4

@@ -137,6 +137,10 @@ CACHE
     : C A C H E
     ;
 
+CALCULATION
+    : C A L C U L A T I O N
+    ;
+
 CALL
     : C A L L
     ;
@@ -663,6 +667,14 @@ PIPEPLUGINS
     : P I P E P L U G I N S
     ;
 
+POINT
+    : P O I N T
+    ;
+
+POINTS
+    : P O I N T S
+    ;
+
 POLICY
     : P O L I C Y
     ;

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/parser/ASTVisitor.java

@@ -361,6 +361,10 @@ public class ASTVisitor extends IoTDBSqlParserBaseVisitor<Statement> {
   public static final String INCORRECT_DATA_TYPE_MSG = "Incorrect Data type";
   private ZoneId zoneId;
 
+  public boolean isUseWildcard() {
+    return useWildcard;
+  }
+
   private boolean useWildcard = false;
 
   private boolean lastLevelUseWildcard = false;
@@ -2390,7 +2394,7 @@ private void parseLoadFileAttributeClause(
   /** Common Parsers. */
 
   // IoTDB Objects ========================================================================
-  private MeasurementPath parseFullPath(IoTDBSqlParser.FullPathContext ctx) {
+  protected MeasurementPath parseFullPath(IoTDBSqlParser.FullPathContext ctx) {
     List<IoTDBSqlParser.NodeNameWithoutWildcardContext> nodeNamesWithoutStar =
         ctx.nodeNameWithoutWildcard();
     String[] path = new String[nodeNamesWithoutStar.size() + 1];
@@ -2421,7 +2425,7 @@ private PartialPath parseAlignedDevice(IoTDBSqlParser.FullPathContext ctx) {
     return new PartialPath(path);
   }
 
-  private PartialPath parseFullPathInExpression(
+  protected PartialPath parseFullPathInExpression(
       IoTDBSqlParser.FullPathInExpressionContext ctx, boolean canUseFullPath) {
     List<IoTDBSqlParser.NodeNameContext> nodeNames = ctx.nodeName();
     int size = nodeNames.size();
@@ -2465,7 +2469,7 @@ private PartialPath parseFullPathInIntoPath(IoTDBSqlParser.FullPathInIntoPathCon
     return new PartialPath(path);
   }
 
-  private PartialPath parsePrefixPath(IoTDBSqlParser.PrefixPathContext ctx) {
+  protected PartialPath parsePrefixPath(IoTDBSqlParser.PrefixPathContext ctx) {
     List<IoTDBSqlParser.NodeNameContext> nodeNames = ctx.nodeName();
     String[] path = new String[nodeNames.size() + 1];
     path[0] = ctx.ROOT().getText();
@@ -3557,7 +3561,7 @@ private String parseConstant(ConstantContext constantContext) {
     }
   }
 
-  private Expression parseConstantOperand(ConstantContext constantContext) {
+  protected Expression parseConstantOperand(ConstantContext constantContext) {
     String text = constantContext.getText();
     if (constantContext.boolean_literal() != null) {
       return new ConstantOperand(TSDataType.BOOLEAN, text);