[DCV-3454] Restore custom functionality of old v0.x

src/dbt_core_interface/dbt_templater/templater.py

@@ -45,6 +45,14 @@ def dbt_version(self) -> str:
         """Gets the dbt version."""
         return self._dbt_version.to_version_string()
 
+    def _apply_dbt_builtins(self, config: FluffConfig | None) -> bool:
+        """DbtTemplater uses actual dbt compilation, not FunctionWrapper placeholders.
+
+        Returning False prevents SQLFluff from adding FunctionWrapper objects
+        (which lack .get() method) to the Jinja environment during slice_file analysis.
+        """
+        return False
+
     @large_file_check
     def process(  # pyright: ignore[reportIncompatibleMethodOverride]
         self,

src/dbt_core_interface/project.py

@@ -9,6 +9,7 @@
 import functools
 import gc
 import json
+import re
 import logging
 import os
 import shlex
@@ -674,6 +675,9 @@ def _create_temp_node(
         self, sql: str, node_id: str | None = None
     ) -> tuple[ManifestNode, t.Callable[[], None]]:
         """Create a temporary node for SQL execution/compilation."""
+        # Remove only the opening and closing snapshot tags, keep the body
+        sql = re.sub(r'{%\s*snapshot\b.*?%}', '', sql, flags=re.DOTALL)
+        sql = re.sub(r'{%\s*endsnapshot\s*%}', '', sql, flags=re.DOTALL)
         node_id = node_id or f"temp_node_{uuid.uuid4().hex[:8]}"
         sql_node = self.sql_parser.parse_remote(sql, node_id)
         process_node(self.runtime_config, self.manifest, sql_node)

src/dbt_core_interface/server.py

@@ -284,12 +284,13 @@ def run_sql(
         comp_res = runner.compile_sql(raw_sql)
     try:
         model_context = runner.generate_runtime_model_context(comp_res.node)
+        compiled_code = f"select * from ({model_context['compiled_code']}) as __server_query"
         query = runner.adapter.execute_macro(
             macro_name="get_show_sql",
             macro_resolver=runner.manifest,
             context_override=model_context,
             kwargs={
-                "compiled_code": model_context["compiled_code"],
+                "compiled_code": compiled_code,
                 "sql_header": model_context["config"].get("sql_header"),
                 "limit": limit,
             },