From 35bffecbecaad5397d4a556b37f4e5665b1c266f Mon Sep 17 00:00:00 2001
From: Ben Cassell <98852248+benc-db@users.noreply.github.com>
Date: Wed, 19 Feb 2025 09:06:25 -0800
Subject: [PATCH] Lazy init api client for connection manager to fix 940 (#941)

---
 CHANGELOG.md                           |  4 ++++
 dbt/adapters/databricks/connections.py | 11 +++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d6cefd9c..a88c5413 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## dbt-databricks 1.9.6 (TBD)
 
+### Fixes
+
+- Fix for parse raising error for not having credentials ([941](https://github.com/databricks/dbt-databricks/pull/941))
+
 ### Under the Hood
 
 - Refactoring of some connection internals ([929](https://github.com/databricks/dbt-databricks/pull/929))
diff --git a/dbt/adapters/databricks/connections.py b/dbt/adapters/databricks/connections.py
index 56bf196c..ccf32c98 100644
--- a/dbt/adapters/databricks/connections.py
+++ b/dbt/adapters/databricks/connections.py
@@ -202,12 +202,19 @@ class DatabricksConnectionManager(SparkConnectionManager):
 
     def __init__(self, profile: AdapterRequiredConfig, mp_context: SpawnContext):
         super().__init__(profile, mp_context)
-        creds = cast(DatabricksCredentials, self.profile.credentials)
-        self.api_client = DatabricksApiClient.create(creds, 15 * 60)
+        self._api_client: Optional[DatabricksApiClient] = None
         self.threads_compute_connections: dict[
             Hashable, dict[Hashable, DatabricksDBTConnection]
         ] = {}
 
+    @property
+    def api_client(self) -> DatabricksApiClient:
+        if self._api_client is None:
+            self._api_client = DatabricksApiClient.create(
+                cast(DatabricksCredentials, self.profile.credentials), 15 * 60
+            )
+        return self._api_client
+
     def cancel_open(self) -> list[str]:
         cancelled = super().cancel_open()
         logger.info("Cancelling open python jobs")