fix: update varchar columns to varchar(max) in table diff tests

Author: mattiasthalen

tests/core/engine_adapter/integration/test_integration.py

@@ -2253,7 +2253,10 @@ def test_table_diff_grain_check_single_key(ctx: TestContext):
     src_table = ctx.table("source")
     target_table = ctx.table("target")
 
-    columns_to_types = {"key1": exp.DataType.build("int"), "value": exp.DataType.build("varchar")}
+    columns_to_types = {
+        "key1": exp.DataType.build("int"),
+        "value": exp.DataType.build("varchar(max)"),
+    }
 
     ctx.engine_adapter.create_table(src_table, columns_to_types)
     ctx.engine_adapter.create_table(target_table, columns_to_types)
@@ -2316,8 +2319,8 @@ def test_table_diff_grain_check_multiple_keys(ctx: TestContext):
 
     columns_to_types = {
         "key1": exp.DataType.build("int"),
-        "key2": exp.DataType.build("varchar"),
-        "value": exp.DataType.build("varchar"),
+        "key2": exp.DataType.build("varchar(max)"),
+        "value": exp.DataType.build("varchar(max)"),
     }
 
     ctx.engine_adapter.create_table(src_table, columns_to_types)
@@ -2374,13 +2377,13 @@ def test_table_diff_arbitrary_condition(ctx: TestContext):
 
     columns_to_types_src = {
         "id": exp.DataType.build("int"),
-        "value": exp.DataType.build("varchar"),
+        "value": exp.DataType.build("varchar(max)"),
         "ts": exp.DataType.build("timestamp"),
     }
 
     columns_to_types_target = {
         "item_id": exp.DataType.build("int"),
-        "value": exp.DataType.build("varchar"),
+        "value": exp.DataType.build("varchar(max)"),
         "ts": exp.DataType.build("timestamp"),
     }
 
@@ -2441,8 +2444,8 @@ def test_table_diff_identical_dataset(ctx: TestContext):
 
     columns_to_types = {
         "key1": exp.DataType.build("int"),
-        "key2": exp.DataType.build("varchar"),
-        "value": exp.DataType.build("varchar"),
+        "key2": exp.DataType.build("varchar(max)"),
+        "value": exp.DataType.build("varchar(max)"),
     }
 
     ctx.engine_adapter.create_table(src_table, columns_to_types)