chore: Update vendored sources to duckdb/duckdb@acd16816e31789bdb27e144ccd19ddb9da4fe6df

src/duckdb/src/function/table/version/pragma_version.cpp

@@ -1,5 +1,5 @@
 #ifndef DUCKDB_PATCH_VERSION
-#define DUCKDB_PATCH_VERSION "1"
+#define DUCKDB_PATCH_VERSION "2-dev6"
 #endif
 #ifndef DUCKDB_MINOR_VERSION
 #define DUCKDB_MINOR_VERSION 1
@@ -8,10 +8,10 @@
 #define DUCKDB_MAJOR_VERSION 1
 #endif
 #ifndef DUCKDB_VERSION
-#define DUCKDB_VERSION "v1.1.1"
+#define DUCKDB_VERSION "v1.1.2-dev6"
 #endif
 #ifndef DUCKDB_SOURCE_ID
-#define DUCKDB_SOURCE_ID "af39bd0dcf"
+#define DUCKDB_SOURCE_ID "acd16816e3"
 #endif
 #include "duckdb/function/table/system_functions.hpp"
 #include "duckdb/main/database.hpp"

src/duckdb/src/include/duckdb/common/bitpacking.hpp

@@ -41,16 +41,15 @@ class BitpackingPrimitives {
 			}
 		} else {
 			idx_t misaligned_count = count % BITPACKING_ALGORITHM_GROUP_SIZE;
-			T tmp_buffer[BITPACKING_ALGORITHM_GROUP_SIZE]; // TODO maybe faster on the heap?
-
 			count -= misaligned_count;
-
 			for (idx_t i = 0; i < count; i += BITPACKING_ALGORITHM_GROUP_SIZE) {
 				PackGroup<T>(dst + (i * width) / 8, src + i, width);
 			}
 
-			// Input was not aligned to BITPACKING_ALGORITHM_GROUP_SIZE, we need a copy
+			// The input is not aligned to BITPACKING_ALGORITHM_GROUP_SIZE.
+			// Copy the unaligned count into a zero-initialized temporary group, and pack it.
 			if (misaligned_count) {
+				T tmp_buffer[BITPACKING_ALGORITHM_GROUP_SIZE] = {0};
 				memcpy(tmp_buffer, src + count, misaligned_count * sizeof(T));
 				PackGroup<T>(dst + (count * width) / 8, tmp_buffer, width);
 			}

src/duckdb/src/storage/compression/bitpacking.cpp

@@ -264,10 +264,14 @@ struct BitpackingState {
 				                  delta_required_bitwidth, static_cast<T>(minimum_delta), delta_offset,
 				                  compression_buffer, compression_buffer_idx, data_ptr);
 
+				// FOR (frame of reference).
+				total_size += sizeof(T);
+				// Aligned bitpacking width.
+				total_size += AlignValue(sizeof(bitpacking_width_t));
+				// Delta offset.
+				total_size += sizeof(T);
+				// Compressed data size.
 				total_size += BitpackingPrimitives::GetRequiredSize(compression_buffer_idx, delta_required_bitwidth);
-				total_size += sizeof(T);                              // FOR value
-				total_size += sizeof(T);                              // Delta offset value
-				total_size += AlignValue(sizeof(bitpacking_width_t)); // FOR value
 
 				return true;
 			}