feat: add PostgreSQL replication test for MSSQL uniqueidentifier datatype

Author: flarco

cmd/sling/tests/replications/r.47.mssql_uniqueidentifier.postgres.yaml

@@ -0,0 +1,103 @@
+source: MSSQL
+target: POSTGRES
+
+defaults:
+  mode: full-refresh
+
+hooks:
+  start:
+    - type: query
+      connection: '{source.name}'
+      query: |
+        -- Drop temp tables if they exist
+        IF OBJECT_ID('dbo.unique_identifier_test', 'U') IS NOT NULL DROP TABLE dbo.unique_identifier_test;
+        
+        -- Create source table with uniqueidentifier column
+        CREATE TABLE dbo.unique_identifier_test (
+          id INT PRIMARY KEY,
+          guid_col UNIQUEIDENTIFIER DEFAULT NEWID(),
+          name VARCHAR(100),
+          created_at DATETIME DEFAULT GETDATE()
+        );
+        
+        -- Insert test data with specific GUIDs
+        INSERT INTO dbo.unique_identifier_test (id, guid_col, name) VALUES 
+        (1, '6F9619FF-8B86-D011-B42D-00C04FC964FF', 'Test Record 1'),
+        (2, 'A0E44FF6-8B86-D011-B42D-00C04FC964FF', 'Test Record 2'),
+        (3, NEWID(), 'Test Record 3'),
+        (4, NULL, 'Test Record 4 with NULL GUID'),
+        (5, '12345678-1234-5678-1234-567812345678', 'Test Record 5');
+
+  end:
+    - type: query
+      connection: '{target.name}'
+      query: |
+        -- Verify target table structure
+        SELECT
+          c.COLUMN_NAME,
+          c.DATA_TYPE,
+          c.CHARACTER_MAXIMUM_LENGTH,
+          c.IS_NULLABLE
+        FROM INFORMATION_SCHEMA.COLUMNS c
+        WHERE c.TABLE_SCHEMA = 'public'
+          AND c.TABLE_NAME = 'unique_identifier_test2'
+          AND c.COLUMN_NAME = 'guid_col'
+      into: column_info
+
+    - type: log
+      message: |
+        Target column info:
+        {store.column_info}
+
+    - type: check
+      check: store.column_info[0].data_type == "uuid"
+      success_message: "guid_col should be 'uuid' type in target PostgreSQL"
+
+    - type: query
+      connection: '{target.name}'
+      query: |
+        -- Get all target data
+        SELECT
+          id,
+          guid_col::text as guid_text,
+          name
+        FROM public.unique_identifier_test2
+        ORDER BY id
+      into: target_data
+
+    - type: log
+      message: |
+        Target data:
+        {store.target_data}
+
+    - type: check
+      check: upper(store.target_data[0].guid_text) == "6F9619FF-8B86-D011-B42D-00C04FC964FF"
+      success_message: "GUID value for record 1 matches"
+
+    - type: check
+      check: upper(store.target_data[1].guid_text) == "A0E44FF6-8B86-D011-B42D-00C04FC964FF"
+      success_message: "GUID value for record 2 matches"
+
+    - type: check
+      check: length(store.target_data[2].guid_text) == 36
+      success_message: "GUID value for record 3 has valid format"
+
+    - type: check
+      check: store.target_data[3].guid_text == nil
+      success_message: "GUID value for record 4 is NULL as expected"
+
+    - type: check
+      check: upper(store.target_data[4].guid_text) == "12345678-1234-5678-1234-567812345678"
+      success_message: "GUID value for record 5 matches"
+
+    - type: query
+      connection: '{source.name}'
+      query: DROP TABLE dbo.unique_identifier_test;
+
+    - type: query
+      connection: '{target.name}'
+      query: DROP TABLE public.unique_identifier_test2;
+
+streams:
+  dbo.unique_identifier_test:
+    object: public.unique_identifier_test2

cmd/sling/tests/replications/r.47.mssql_uniqueidentifier.yaml

@@ -3,8 +3,6 @@ target: MSSQL
 
 defaults:
   mode: full-refresh
-  target_options:
-    use_bulk: false  # Disable bulk for better column type control
 
 hooks:
   start:

cmd/sling/tests/suite.cli.yaml

@@ -818,14 +818,15 @@
 
 - id: 105
   name: Test MSSQL uniqueidentifier datatype preservation
-  run: sling run -d -r cmd/sling/tests/replications/r.47.mssql_uniqueidentifier.yaml
-  streams: 1
-  rows: 5
+  run: |
+    sling run -d -r cmd/sling/tests/replications/r.47.mssql_uniqueidentifier.yaml
+    sling run -d -r cmd/sling/tests/replications/r.47.mssql_uniqueidentifier.postgres.yaml
   output_contains:
     - "guid_col should be 'uniqueidentifier' type in target"
     - "GUID value for record 1 should match"
     - "GUID value for record 5 should match"
     - "execution succeeded"
+    - "DROP TABLE public.unique_identifier_test2"
 
 - id: 106
   name: Test MSSQL to BigQuery BIGNUMERIC conversion for high precision/scale decimals