[Issue #1] implement basic table scan

.gitignore

@@ -6,6 +6,7 @@
 *.lo
 *.o
 *.obj
+*.gcno
 
 # Precompiled Headers
 *.gch
@@ -30,3 +31,4 @@
 *.exe
 *.out
 *.app
+

.gitmodules

@@ -0,0 +1,15 @@
+[submodule "pixels-cpp"]
+	path = pixels-cpp
+	url = https://github.com/neo-SunBoyan/pixels-cpp.git
+[submodule "third-party"]
+	path = third-party
+	url = https://github.com/protocolbuffers/protobuf.git
+[submodule "pixels_fdw/pixels-cpp"]
+	path = pixels_fdw/pixels-cpp
+	url = https://github.com/neo-SunBoyan/pixels-cpp.git
+[submodule "third-party/protobuf"]
+	path = third-party/protobuf
+	url = https://github.com/protocolbuffers/protobuf.git
+[submodule "pixels_fdw/third-party/protobuf"]
+	path = pixels_fdw/third-party/protobuf
+	url = https://github.com/protocolbuffers/protobuf.git

README.md

@@ -1,2 +1,4 @@
 # pixels-postgres
 The PostgreSQL FDW for Pixels.
+
+export PIXELS_FDW_SRC=/path/to/yours

pixels_fdw/Makefile

@@ -0,0 +1,46 @@
+MODULE_big = pixels_fdw
+OBJS = pixels_fdw.o pixels-cpp/pixels-common/lib/physical/StorageFactory.o pixels-cpp/pixels-common/lib/physical/io/PhysicalLocalReader.o pixels-cpp/pixels-common/lib/physical/allocator/BufferPoolAllocator.o pixels-cpp/pixels-common/lib/physical/Request.o pixels-cpp/pixels-common/lib/physical/RequestBatch.o pixels-cpp/pixels-common/lib/physical/Storage.o pixels-cpp/pixels-common/lib/physical/BufferPool.o pixels-cpp/pixels-common/lib/physical/SchedulerFactory.o pixels-cpp/pixels-common/lib/physical/natives/ByteBuffer.o pixels-cpp/pixels-common/lib/physical/natives/PixelsRandomAccessFile.o pixels-cpp/pixels-common/lib/physical/natives/DirectIoLib.o pixels-cpp/pixels-common/lib/physical/natives/DirectRandomAccessFile.o pixels-cpp/pixels-common/lib/physical/storage/LocalFS.o pixels-cpp/pixels-common/lib/physical/scheduler/NoopScheduler.o pixels-cpp/pixels-common/lib/physical/scheduler/SortMergeScheduler.o pixels-cpp/pixels-common/lib/physical/StorageArrayScheduler.o pixels-cpp/pixels-common/lib/utils/ColumnSizeCSVReader.o pixels-cpp/pixels-common/lib/utils/ConfigFactory.o pixels-cpp/pixels-common/lib/utils/Constants.o pixels-cpp/pixels-common/lib/utils/String.o pixels-cpp/pixels-common/lib/profiler/CountProfiler.o pixels-cpp/pixels-common/lib/profiler/TimeProfiler.o pixels-cpp/pixels-common/lib/MergedRequest.o pixels-cpp/pixels-common/lib/exception/InvalidArgumentException.o PixelsFilter.o PixelsFdwPlanState.o PixelsFdwExecutionState.o pixels-cpp/pixels-proto/pixels.pb.o pixels_impl.o pixels-cpp/pixels-core/lib/TypeDescription.o pixels-cpp/pixels-core/lib/PixelsFooterCache.o pixels-cpp/pixels-core/lib/reader/DateColumnReader.o pixels-cpp/pixels-core/lib/reader/StringColumnReader.o pixels-cpp/pixels-core/lib/reader/ColumnReaderBuilder.o pixels-cpp/pixels-core/lib/reader/PixelsRecordReaderImpl.o pixels-cpp/pixels-core/lib/reader/DecimalColumnReader.o pixels-cpp/pixels-core/lib/reader/IntegerColumnReader.o pixels-cpp/pixels-core/lib/reader/ColumnReader.o pixels-cpp/pixels-core/lib/reader/VarcharColumnReader.o pixels-cpp/pixels-core/lib/reader/PixelsReaderOption.o pixels-cpp/pixels-core/lib/reader/CharColumnReader.o pixels-cpp/pixels-core/lib/reader/TimestampColumnReader.o pixels-cpp/pixels-core/lib/encoding/Decoder.o pixels-cpp/pixels-core/lib/encoding/RunLenIntDecoder.o pixels-cpp/pixels-core/lib/encoding/RunLenIntEncoder.o pixels-cpp/pixels-core/lib/encoding/Encoder.o pixels-cpp/pixels-core/lib/vector/LongColumnVector.o pixels-cpp/pixels-core/lib/vector/TimestampColumnVector.o pixels-cpp/pixels-core/lib/vector/DecimalColumnVector.o pixels-cpp/pixels-core/lib/vector/BinaryColumnVector.o pixels-cpp/pixels-core/lib/vector/VectorizedRowBatch.o pixels-cpp/pixels-core/lib/vector/ByteColumnVector.o pixels-cpp/pixels-core/lib/vector/DateColumnVector.o pixels-cpp/pixels-core/lib/vector/ColumnVector.o pixels-cpp/pixels-core/lib/Category.o pixels-cpp/pixels-core/lib/PixelsBitMask.o pixels-cpp/pixels-core/lib/PixelsVersion.o pixels-cpp/pixels-core/lib/PixelsReaderImpl.o pixels-cpp/pixels-core/lib/PixelsReaderBuilder.o pixels-cpp/pixels-core/lib/utils/EncodingUtils.o pixels-cpp/pixels-core/lib/exception/PixelsFileVersionInvalidException.o pixels-cpp/pixels-core/lib/exception/PixelsFileMagicInvalidException.o pixels-cpp/pixels-core/lib/exception/PixelsReaderException.o 
+PGFILEDESC = "pixels_fdw - foreign data wrapper for pixels reader"
+
+SHLIB_LINK = -lm -lstdc++ -L$(PIXELS_FDW_SRC)/third-party/protobuf/cmake/build -lprotobuf 
+
+EXTENSION = pixels_fdw
+DATA = pixels_fdw--1.0.sql
+
+override PG_CXXFLAGS += -std=c++17 -I./include -I./pixels-cpp/pixels-common/include -I./pixels-cpp/pixels-core/include -I./pixels-cpp/pixels-proto -I./third-party/protobuf/src -I./third-party/protobuf/cmake/build/include 
+
+ifdef CCFLAGS
+	override PG_CXXFLAGS += $(CCFLAGS)
+	override PG_CFLAGS += $(CCFLAGS)
+endif
+
+COMPILE.cxx.bc = $(CLANG) -xc++ -Wno-ignored-attributes -Wno-register $(BITCODE_CXXFLAGS) $(CPPFLAGS) -emit-llvm -c
+
+REGRESS = pixels_fdw
+
+ifdef USE_PGXS
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)
+else
+SHLIB_PREREQS = submake-libpq
+subdir = contrib/pixels_fdw
+top_builddir = ../..
+include $(top_builddir)/src/Makefile.global
+include $(top_srcdir)/contrib/contrib-global.mk
+endif
+
+PROTOBUF_DIR=third-party/protobuf
+
+pull:
+	git submodule init
+	git submodule update --recursive --init
+
+deps:
+	mkdir -p "${PROTOBUF_DIR}/cmake/build" && cd "third-party/protobuf/cmake/build" && \
+	cmake -Dprotobuf_BUILD_TESTS=OFF -DCMAKE_BUILD_TYPE=Release ../.. -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+		-Dprotobuf_BUILD_SHARED_LIBS=ON -DCMAKE_INSTALL_PREFIX=./ && \
+	make -j16 install
+
+%.bc : %.cpp
+	$(COMPILE.cxx.bc) $(CXXFLAGS) $(CPPFLAGS)  -o $@ $<