[Tidy first] move microbatch compilation to .compile method (#11063)

core/dbt/task/run.py

@@ -283,7 +283,6 @@ def _execute_model(
         hook_ctx: Any,
         context_config: Any,
         model: ModelNode,
-        manifest: Manifest,
         context: Dict[str, Any],
         materialization_macro: MacroProtocol,
     ) -> RunResult:
@@ -328,9 +327,7 @@ def execute(self, model, manifest):
 
         hook_ctx = self.adapter.pre_model_hook(context_config)
 
-        return self._execute_model(
-            hook_ctx, context_config, model, manifest, context, materialization_macro
-        )
+        return self._execute_model(hook_ctx, context_config, model, context, materialization_macro)
 
 
 class MicrobatchModelRunner(ModelRunner):
@@ -342,10 +339,30 @@ def __init__(self, config, adapter, node, node_index: int, num_nodes: int):
         self.relation_exists: bool = False
 
     def compile(self, manifest: Manifest):
-        # The default compile function is _always_ called. However, we do our
-        # compilation _later_ in `_execute_microbatch_materialization`. This
-        # meant the node was being compiled _twice_ for each batch. To get around
-        # this, we've overriden the default compile method to do nothing
+        if self.batch_idx is not None:
+            batch = self.batches[self.batch_idx]
+
+            # LEGACY: Set start/end in context prior to re-compiling (Will be removed for 1.10+)
+            # TODO: REMOVE before 1.10 GA
+            self.node.config["__dbt_internal_microbatch_event_time_start"] = batch[0]
+            self.node.config["__dbt_internal_microbatch_event_time_end"] = batch[1]
+            # Create batch context on model node prior to re-compiling
+            self.node.batch = BatchContext(
+                id=MicrobatchBuilder.batch_id(batch[0], self.node.config.batch_size),
+                event_time_start=batch[0],
+                event_time_end=batch[1],
+            )
+            # Recompile node to re-resolve refs with event time filters rendered, update context
+            self.compiler.compile_node(
+                self.node,
+                manifest,
+                {},
+                split_suffix=MicrobatchBuilder.format_batch_start(
+                    batch[0], self.node.config.batch_size
+                ),
+            )
+
+        # Skips compilation for non-batch runs
         return self.node
 
     def set_batch_idx(self, batch_idx: int) -> None:
@@ -502,7 +519,6 @@ def _build_run_microbatch_model_result(self, model: ModelNode) -> RunResult:
     def _execute_microbatch_materialization(
         self,
         model: ModelNode,
-        manifest: Manifest,
         context: Dict[str, Any],
         materialization_macro: MacroProtocol,
     ) -> RunResult:
@@ -537,25 +553,6 @@ def _execute_microbatch_materialization(
             # call materialization_macro to get a batch-level run result
             start_time = time.perf_counter()
             try:
-                # LEGACY: Set start/end in context prior to re-compiling (Will be removed for 1.10+)
-                # TODO: REMOVE before 1.10 GA
-                model.config["__dbt_internal_microbatch_event_time_start"] = batch[0]
-                model.config["__dbt_internal_microbatch_event_time_end"] = batch[1]
-                # Create batch context on model node prior to re-compiling
-                model.batch = BatchContext(
-                    id=MicrobatchBuilder.batch_id(batch[0], model.config.batch_size),
-                    event_time_start=batch[0],
-                    event_time_end=batch[1],
-                )
-                # Recompile node to re-resolve refs with event time filters rendered, update context
-                self.compiler.compile_node(
-                    model,
-                    manifest,
-                    {},
-                    split_suffix=MicrobatchBuilder.format_batch_start(
-                        batch[0], model.config.batch_size
-                    ),
-                )
                 # Update jinja context with batch context members
                 jinja_context = microbatch_builder.build_jinja_context_for_batch(
                     incremental_batch=self.relation_exists
@@ -643,37 +640,23 @@ def _is_incremental(self, model) -> bool:
         else:
             return False
 
-    def _execute_microbatch_model(
+    def _execute_model(
         self,
         hook_ctx: Any,
         context_config: Any,
         model: ModelNode,
-        manifest: Manifest,
         context: Dict[str, Any],
         materialization_macro: MacroProtocol,
     ) -> RunResult:
         try:
             batch_result = self._execute_microbatch_materialization(
-                model, manifest, context, materialization_macro
+                model, context, materialization_macro
             )
         finally:
             self.adapter.post_model_hook(context_config, hook_ctx)
 
         return batch_result
 
-    def _execute_model(
-        self,
-        hook_ctx: Any,
-        context_config: Any,
-        model: ModelNode,
-        manifest: Manifest,
-        context: Dict[str, Any],
-        materialization_macro: MacroProtocol,
-    ) -> RunResult:
-        return self._execute_microbatch_model(
-            hook_ctx, context_config, model, manifest, context, materialization_macro
-        )
-
 
 class RunTask(CompileTask):
     def __init__(