From e667345caf89dfe09520f7ef031d728bcefe5966 Mon Sep 17 00:00:00 2001
From: taozhi8833998 <taozhi8833998@163.com>
Date: Tue, 2 Dec 2025 09:04:07 +0800
Subject: [PATCH] feat: support alter table replica identity in pg

---
 pegjs/postgresql.pegjs | 20 ++++++++++++++++++++
 test/postgres.spec.js  |  7 +++++++
 2 files changed, 27 insertions(+)

diff --git a/pegjs/postgresql.pegjs b/pegjs/postgresql.pegjs
index 7aed8e90..7bfb3e8a 100644
--- a/pegjs/postgresql.pegjs
+++ b/pegjs/postgresql.pegjs
@@ -1901,6 +1901,7 @@ alter_action
   / ALTER_COLUMN_DATA_TYPE
   / ALTER_COLUMN_DEFAULT
   / ALTER_COLUMN_NOT_NULL
+  / ALTER_REPLICA_IDENTITY
 
 ALTER_ADD_COLUMN
   = KW_ADD __
@@ -2162,6 +2163,25 @@ ALTER_COLUMN_NOT_NULL
         type: 'alter',
       }
   }
+
+ALTER_REPLICA_IDENTITY
+  = 'REPLICA'i __ 'IDENTITY'i __ n:('DEFAULT'i / 'FULL'i / 'NOTHING'i) {
+    /* => {
+        action: 'replica';
+        keyword?: 'identity';
+        resource: 'replica_identity';
+        type: 'alter';
+        replica_identity: 'default' | 'full' | 'nothing';
+      }
+      */
+      return {
+        action: 'replica',
+        keyword: 'identity',
+        resource: 'replica_identity',
+        replica_identity: n,
+        type: 'alter',
+      }
+  }
 create_index_definition
   = kc:(KW_INDEX / KW_KEY) __
     c:column? __
diff --git a/test/postgres.spec.js b/test/postgres.spec.js
index 6a9f9c8b..000ef4c7 100644
--- a/test/postgres.spec.js
+++ b/test/postgres.spec.js
@@ -1943,6 +1943,13 @@ describe('Postgres', () => {
         'ALTER TABLE "configuration" ADD CONSTRAINT "configuration_pk" PRIMARY KEY ("something", "something_else", "something_something_else")',
       ]
     },
+    {
+      title: 'alter replica identity',
+      sql: [
+        'ALTER TABLE "table_name" REPLICA IDENTITY FULL;',
+        'ALTER TABLE "table_name" REPLICA IDENTITY FULL',
+      ]
+    },
   ]
   function neatlyNestTestedSQL(sqlList){
     sqlList.forEach(sqlInfo => {