Support new agate Integer type and test with empty seed (#936)

* Support new agate Integer type and test with empty seed

* add changie, remove branch reference

.changes/unreleased/Fixes-20231107-134141.yaml

@@ -0,0 +1,6 @@
+kind: Fixes
+body: Support new agate Integer type and empty seed test
+time: 2023-11-07T13:41:41.033441-05:00
+custom:
+  Author: gshank
+  Issue: "935"

dbt/adapters/spark/impl.py

@@ -120,6 +120,10 @@ def convert_number_type(cls, agate_table: agate.Table, col_idx: int) -> str:
         decimals = agate_table.aggregate(agate.MaxPrecision(col_idx))
         return "double" if decimals else "bigint"
 
+    @classmethod
+    def convert_integer_type(cls, agate_table: agate.Table, col_idx: int) -> str:
+        return "bigint"
+
     @classmethod
     def convert_date_type(cls, agate_table: agate.Table, col_idx: int) -> str:
         return "date"

tests/functional/adapter/test_simple_seed.py

@@ -0,0 +1,5 @@
+from dbt.tests.adapter.simple_seed.test_seed import BaseTestEmptySeed
+
+
+class TestBigQueryEmptySeed(BaseTestEmptySeed):
+    pass