add primary key support

lib/antlr4/flinksql/sqlListener.js

@@ -1184,6 +1184,12 @@ sqlListener.prototype.enterDtColType = function (ctx) {
 // Exit a parse tree produced by sqlParser#dtColType.
 sqlListener.prototype.exitDtColType = function (ctx) {
 };
+// Enter a parse tree produced by sqlParser#dtColIdentifier.
+sqlListener.prototype.enterDtColIdentifier = function (ctx) {
+};
+// Exit a parse tree produced by sqlParser#dtColIdentifier.
+sqlListener.prototype.exitDtColIdentifier = function (ctx) {
+};
 // Enter a parse tree produced by sqlParser#complexColTypeList.
 sqlListener.prototype.enterComplexColTypeList = function (ctx) {
 };

lib/antlr4/flinksql/sqlVisitor.js

@@ -792,6 +792,10 @@ sqlVisitor.prototype.visitDtColTypeList = function (ctx) {
 sqlVisitor.prototype.visitDtColType = function (ctx) {
     return this.visitChildren(ctx);
 };
+// Visit a parse tree produced by sqlParser#dtColIdentifier.
+sqlVisitor.prototype.visitDtColIdentifier = function (ctx) {
+    return this.visitChildren(ctx);
+};
 // Visit a parse tree produced by sqlParser#complexColTypeList.
 sqlVisitor.prototype.visitComplexColTypeList = function (ctx) {
     return this.visitChildren(ctx);