From 75a7c9c06c81a065a4cdd8fcf303cc7b118e8a28 Mon Sep 17 00:00:00 2001
From: Daniel Dietzler <36593685+danieldietzler@users.noreply.github.com>
Date: Thu, 4 Dec 2025 18:54:20 +0100
Subject: [PATCH] feat: sql tools array as default value (#24389)

---
 .../sql-tools/decorators/column.decorator.ts  |  2 +-
 server/src/sql-tools/helpers.ts               |  4 ++
 server/src/sql-tools/schema-diff.spec.ts      | 14 +++++++
 .../sql-tools/column-default-array.stub.ts    | 40 +++++++++++++++++++
 4 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 server/test/sql-tools/column-default-array.stub.ts

diff --git a/server/src/sql-tools/decorators/column.decorator.ts b/server/src/sql-tools/decorators/column.decorator.ts
index adb3d0ed59..e5a0eb52f8 100644
--- a/server/src/sql-tools/decorators/column.decorator.ts
+++ b/server/src/sql-tools/decorators/column.decorator.ts
@@ -2,7 +2,7 @@ import { asOptions } from 'src/sql-tools/helpers';
 import { register } from 'src/sql-tools/register';
 import { ColumnStorage, ColumnType, DatabaseEnum } from 'src/sql-tools/types';
 
-export type ColumnValue = null | boolean | string | number | object | Date | (() => string);
+export type ColumnValue = null | boolean | string | number | Array<unknown> | object | Date | (() => string);
 
 export type ColumnBaseOptions = {
   name?: string;
diff --git a/server/src/sql-tools/helpers.ts b/server/src/sql-tools/helpers.ts
index 2ef35ce9ba..e0daf8262f 100644
--- a/server/src/sql-tools/helpers.ts
+++ b/server/src/sql-tools/helpers.ts
@@ -39,6 +39,10 @@ export const fromColumnValue = (columnValue?: ColumnValue) => {
     return `'${value.toISOString()}'`;
   }
 
+  if (Array.isArray(value)) {
+    return "'{}'";
+  }
+
   return `'${String(value)}'`;
 };
 
diff --git a/server/src/sql-tools/schema-diff.spec.ts b/server/src/sql-tools/schema-diff.spec.ts
index fe249b4e29..f45fb98bd3 100644
--- a/server/src/sql-tools/schema-diff.spec.ts
+++ b/server/src/sql-tools/schema-diff.spec.ts
@@ -394,6 +394,20 @@ describe(schemaDiff.name, () => {
 
         expect(diff.items).toEqual([]);
       });
+
+      it('should support arrays, ignoring types', () => {
+        const diff = schemaDiff(
+          fromColumn({ name: 'column1', type: 'character varying', isArray: true, default: "'{}'" }),
+          fromColumn({
+            name: 'column1',
+            type: 'character varying',
+            isArray: true,
+            default: "'{}'::character varying[]",
+          }),
+        );
+
+        expect(diff.items).toEqual([]);
+      });
     });
   });
 
diff --git a/server/test/sql-tools/column-default-array.stub.ts b/server/test/sql-tools/column-default-array.stub.ts
new file mode 100644
index 0000000000..b5e9b7d04a
--- /dev/null
+++ b/server/test/sql-tools/column-default-array.stub.ts
@@ -0,0 +1,40 @@
+import { Column, DatabaseSchema, Table } from 'src/sql-tools';
+
+@Table()
+export class Table1 {
+  @Column({ type: 'character varying', array: true, default: [] })
+  column1!: string[];
+}
+
+export const description = 'should register a table with a column with a default value (array)';
+export const schema: DatabaseSchema = {
+  databaseName: 'postgres',
+  schemaName: 'public',
+  functions: [],
+  enums: [],
+  extensions: [],
+  parameters: [],
+  overrides: [],
+  tables: [
+    {
+      name: 'table1',
+      columns: [
+        {
+          name: 'column1',
+          tableName: 'table1',
+          type: 'character varying',
+          nullable: false,
+          isArray: true,
+          primary: false,
+          synchronize: true,
+          default: "'{}'",
+        },
+      ],
+      indexes: [],
+      triggers: [],
+      constraints: [],
+      synchronize: true,
+    },
+  ],
+  warnings: [],
+};