diff --git a/Makefile b/Makefile
index 2ff6867..add6fe5 100644
--- a/Makefile
+++ b/Makefile
@@ -11,6 +11,11 @@ test_release: export DAT_PATH=./build/release/rust/src/delta_kernel/acceptance/t
 test_debug: export DELTA_KERNEL_TESTS_PATH=./build/debug/rust/src/delta_kernel/kernel/tests/data
 test_debug: export DAT_PATH=./build/debug/rust/src/delta_kernel/acceptance/tests/dat
 
+# Set this flag during building to enable the benchmark runner
+ifeq (${BUILD_BENCHMARK}, 1)
+	TOOLCHAIN_FLAGS:=${TOOLCHAIN_FLAGS} -DBUILD_BENCHMARKS=1
+endif
+
 # Include the Makefile from extension-ci-tools
 include extension-ci-tools/makefiles/duckdb_extension.Makefile
 
diff --git a/benchmark/benchmark.Makefile b/benchmark/benchmark.Makefile
index 2852b03..b3f4202 100644
--- a/benchmark/benchmark.Makefile
+++ b/benchmark/benchmark.Makefile
@@ -1,12 +1,7 @@
 .PHONY: bench-output-dir clean_benchmark plot
 
-# Set this flag during building to enable the benchmark runner
-ifeq (${BUILD_BENCHMARK}, 1)
-	TOOLCHAIN_FLAGS:=${TOOLCHAIN_FLAGS} -DBUILD_BENCHMARKS=1
-endif
-
-ifeq ("${BENCHMARK_PATTERN}", "")
-	BENCHMARK_PATTERN:=.*
+ifeq ("$(BENCHMARK_PATTERN)a", "a")
+    BENCHMARK_PATTERN:=.*
 endif
 
 bench-output-dir:
@@ -27,10 +22,13 @@ plot:
 
 # TPCH SF1 on delta table
 bench-run-tpch-sf1-delta: bench-output-dir
-	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpch/sf1-delta/${BENCHMARK_PATTERN}' &> benchmark_results/tpch-sf1-delta.csv
+	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpch/sf1-delta/$(BENCHMARK_PATTERN)' &> benchmark_results/tpch-sf1-delta.csv
 # TPCH SF1 on parquet files
 bench-run-tpch-sf1-parquet: bench-output-dir
-	./build/release/benchmark/benchmark_runner 'benchmark/tpch/sf1-parquet/${BENCHMARK_PATTERN}' &> benchmark_results/tpch-sf1-parquet.csv
+	./build/release/benchmark/benchmark_runner 'benchmark/tpch/sf1-parquet/$(BENCHMARK_PATTERN)' &> benchmark_results/tpch-sf1-parquet.csv
+# TPCH SF1 on duckdb file
+bench-run-tpch-sf1-duckdb: bench-output-dir
+	./build/release/benchmark/benchmark_runner 'benchmark/tpch/sf1/$(BENCHMARK_PATTERN)' &> benchmark_results/tpch-sf1-duckdb.csv
 # COMPARES TPCH SF1 on parquet file vs on delta files
 bench-run-tpch-sf1: bench-run-tpch-sf1-delta bench-run-tpch-sf1-parquet
 
@@ -40,10 +38,10 @@ bench-run-tpch-sf1: bench-run-tpch-sf1-delta bench-run-tpch-sf1-parquet
 
 # TPCH on remote delta table (set BENCHMARK_DATA_S3_LINEITEM_SF1)
 bench-run-tpch-sf1-remote-delta: bench-output-dir
-	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpch/sf1-delta-remote/${BENCHMARK_PATTERN}' &> benchmark_results/tpch-sf1-remote-delta.csv
+	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpch/sf1-delta-remote/$(BENCHMARK_PATTERN)' &> benchmark_results/tpch-sf1-remote-delta.csv
 # TPCH on remote parquet table (set BENCHMARK_DATA_S3_LINEITEM_SF1)
 bench-run-tpch-sf1-remote-parquet: bench-output-dir
-	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpch/sf1-parquet-remote/${BENCHMARK_PATTERN}'  &> benchmark_results/tpch-sf1-remote-parquet.csv
+	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpch/sf1-parquet-remote/$(BENCHMARK_PATTERN)'  &> benchmark_results/tpch-sf1-remote-parquet.csv
 # COMPARES TPCH SF1 on parquet file vs on delta files
 bench-run-tpch-sf1-remote: bench-run-tpch-sf1-remote-parquet bench-run-tpch-sf1-remote-delta
 
@@ -53,10 +51,14 @@ bench-run-tpch-sf1-remote: bench-run-tpch-sf1-remote-parquet bench-run-tpch-sf1-
 
 # TPCDS SF1 on delta table
 bench-run-tpcds-sf1-delta: bench-output-dir
-	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpcds/sf1-delta/${BENCHMARK_PATTERN}' &> benchmark_results/tpcds-sf1-delta.csv
+	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpcds/sf1-delta/$(BENCHMARK_PATTERN)' &> benchmark_results/tpcds-sf1-delta.csv
 # TPCDS SF1 on parquet files
 bench-run-tpcds-sf1-parquet: bench-output-dir
-	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpcds/sf1-parquet/${BENCHMARK_PATTERN}' &> benchmark_results/tpcds-sf1-parquet.csv
+	./build/release/benchmark/benchmark_runner --root-dir './' 'benchmark/tpcds/sf1-parquet/$(BENCHMARK_PATTERN)' &> benchmark_results/tpcds-sf1-parquet.csv
+# TPCDS SF1 on duckdb files
+bench-run-tpcds-sf1-duckdb: bench-output-dir
+	./build/release/benchmark/benchmark_runner 'benchmark/tpcds/sf1/$(BENCHMARK_PATTERN)' &> benchmark_results/tpcds-sf1-duckdb.csv
+
 # COMPARES TPCDS SF1 on parquet file vs on delta files
 bench-run-tpcds-sf1: bench-run-tpcds-sf1-delta bench-run-tpcds-sf1-parquet