Support COMMENT ON POLICY

Author: nene

src/cst/Comment.ts

@@ -31,6 +31,7 @@ type CommentTarget =
   | CommentTargetForeignTable
   | CommentTargetIndex
   | CommentTargetMaterializedView
+  | CommentTargetPolicy
   | CommentTargetLanguage
   | CommentTargetPublication
   | CommentTargetRole
@@ -141,6 +142,14 @@ export interface CommentTargetMaterializedView extends BaseNode {
   name: EntityName;
 }
 
+export interface CommentTargetPolicy extends BaseNode {
+  type: "comment_target_policy";
+  policyKw: Keyword<"POLICY">;
+  name: EntityName;
+  onKw: Keyword<"ON">;
+  tableName: EntityName;
+}
+
 export interface CommentTargetLanguage extends BaseNode {
   type: "comment_target_language";
   languageKw:

src/parser.pegjs

@@ -6057,6 +6057,9 @@ comment_target
   / kw:(MATERIALIZED __ VIEW __) name:entity_name {
     return loc({ type: "comment_target_materialized_view", materializedViewKw: read(kw), name });
   }
+  / kw:(POLICY __) name:(entity_name __) onKw:(ON __) tableName:entity_name {
+    return loc({ type: "comment_target_policy", policyKw: read(kw), name: read(name), onKw: read(onKw), tableName });
+  }
   / kw:(LANGUAGE __ / PROCEDURAL __ LANGUAGE __) name:entity_name {
     return loc({ type: "comment_target_language", languageKw: read(kw), name });
   }

src/showNode/comment.ts

@@ -32,6 +32,8 @@ export const commentMap: FullTransformMap<string, AllCommentNodes> = {
   comment_target_index: (node) => show([node.indexKw, node.name]),
   comment_target_materialized_view: (node) =>
     show([node.materializedViewKw, node.name]),
+  comment_target_policy: (node) =>
+    show([node.policyKw, node.name, node.onKw, node.tableName]),
   comment_target_language: (node) => show([node.languageKw, node.name]),
   comment_target_publication: (node) => show([node.publicationKw, node.name]),
   comment_target_role: (node) => show([node.roleKw, node.name]),

test/postgresql/comment.test.ts

@@ -17,6 +17,7 @@ describe("COMMENT ON", () => {
       "FOREIGN TABLE my_foreign_table",
       "INDEX my_index",
       "MATERIALIZED VIEW my_mat_view",
+      "POLICY my_policy ON my_table",
       "LANGUAGE my_language",
       "PROCEDURAL LANGUAGE my_language",
       "PUBLICATION my_publication",