Copied bare bones

Author: Evert

.clang-format

@@ -0,0 +1,33 @@
+---
+BasedOnStyle: LLVM
+SortIncludes: false
+TabWidth: 4
+IndentWidth: 4
+ColumnLimit: 120
+AllowShortFunctionsOnASingleLine: false
+---
+UseTab: ForIndentation
+DerivePointerAlignment: false
+PointerAlignment: Right
+AlignConsecutiveMacros: true
+AlignTrailingComments: true
+AllowAllArgumentsOnNextLine: true
+AllowAllConstructorInitializersOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AlignAfterOpenBracket: Align
+SpaceBeforeCpp11BracedList: true
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpacesInAngles: false
+SpacesInCStyleCastParentheses: false
+SpacesInConditionalStatement: false
+AllowShortLambdasOnASingleLine: Inline
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: Yes
+IncludeBlocks: Regroup
+Language: Cpp
+AccessModifierOffset: -4
+---
+Language: Java
+SpaceAfterCStyleCast: true
+---

.clang-tidy

@@ -0,0 +1,52 @@
+Checks:          '-*,clang-diagnostic-*,bugprone-*,performance-*,google-explicit-constructor,google-build-using-namespace,google-runtime-int,misc-definitions-in-headers,modernize-use-nullptr,modernize-use-override,-bugprone-macro-parentheses,readability-braces-around-statements,-bugprone-branch-clone,readability-identifier-naming,hicpp-exception-baseclass,misc-throw-by-value-catch-by-reference,-bugprone-signed-char-misuse,-bugprone-misplaced-widening-cast,-bugprone-sizeof-expression,-bugprone-easily-swappable-parameters,google-global-names-in-headers,llvm-header-guard,misc-definitions-in-headers,modernize-use-emplace,modernize-use-bool-literals,-performance-inefficient-string-concatenation,-performance-no-int-to-ptr,readability-container-size-empty,cppcoreguidelines-pro-type-cstyle-cast,-llvm-header-guard,-performance-enum-size,cppcoreguidelines-pro-type-const-cast,cppcoreguidelines-avoid-non-const-global-variables,cppcoreguidelines-interfaces-global-init,cppcoreguidelines-slicing,cppcoreguidelines-rvalue-reference-param-not-moved,cppcoreguidelines-virtual-class-destructor,-readability-identifier-naming,-bugprone-exception-escape,-bugprone-unused-local-non-trivial-variable,-bugprone-empty-catch'
+WarningsAsErrors: '*'
+HeaderFilterRegex: 'src/include/duckdb/.*'
+FormatStyle:     none
+CheckOptions:
+  - key:             readability-identifier-naming.ClassCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.EnumCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.TypedefCase
+    value:           lower_case
+  - key:             readability-identifier-naming.TypedefSuffix
+    value:           _t
+  - key:             readability-identifier-naming.FunctionCase
+    value:           CamelCase
+  - key:             readability-identifier-naming.MemberCase
+    value:           lower_case
+  - key:             readability-identifier-naming.ParameterCase
+    value:           lower_case
+  - key:             readability-identifier-naming.ConstantCase
+    value:           aNy_CasE
+  - key:             readability-identifier-naming.ConstantParameterCase
+    value:           lower_case
+  - key:             readability-identifier-naming.NamespaceCase
+    value:           lower_case
+  - key:             readability-identifier-naming.MacroDefinitionCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.StaticConstantCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.ConstantMemberCase
+    value:           aNy_CasE
+  - key:             readability-identifier-naming.StaticVariableCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.ClassConstantCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.EnumConstantCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.ConstexprVariableCase
+    value:           aNy_CasE
+  - key:             readability-identifier-naming.StaticConstantCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.TemplateTemplateParameterCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.TypeTemplateParameterCase
+    value:           UPPER_CASE
+  - key:             readability-identifier-naming.VariableCase
+    value:           lower_case
+  - key:             modernize-use-emplace.SmartPointers
+    value:           '::duckdb::shared_ptr;::duckdb::unique_ptr;::std::auto_ptr;::duckdb::weak_ptr'
+  - key:             cppcoreguidelines-rvalue-reference-param-not-moved.IgnoreUnnamedParams
+    value:           true
+

.clangd

@@ -0,0 +1,3 @@
+CompileFlags:
+  CompilationDatabase: build/clangd
+  Add: -Wno-unqualified-std-cast-call

.codecov.yml

@@ -0,0 +1,23 @@
+comment: false
+coverage:
+  precision: 2
+  round: down
+  range: "0...100"
+  status:
+    project:
+      default:
+         # advanced settings
+        if_not_found: success
+        if_ci_failed: failure
+        informational: true
+        only_pulls: false
+    patch:
+      default:
+        branches:
+          - main
+        if_not_found: success
+        if_ci_failed: error
+        informational: true
+        only_pulls: true
+        paths:
+          - "src"

.editorconfig

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+# Unix-style newlines with a newline ending every file
+[*.{c,cpp,h,hpp}]
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+tab_width = 4
+indent_size = tab
+trim_trailing_whitespace = true
+charset = utf-8
+max_line_length = 120
+x-soft-wrap-text = true
+x-soft-wrap-mode = CharacterWidth
+x-soft-wrap-limit = 120
+x-show-invisibles = false
+x-show-spaces = false
+
+[*.{java}]
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+tab_width = 4
+indent_size = tab
+trim_trailing_whitespace = false
+charset = utf-8
+max_line_length = 120
+x-soft-wrap-text = true
+x-soft-wrap-mode = CharacterWidth
+x-soft-wrap-limit = 120
+x-show-invisibles = false
+x-show-spaces = false
+
+[*.{test,test_slow,test_coverage,benchmark}]
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+tab_width = 4
+indent_size = tab
+trim_trailing_whitespace = false
+charset = utf-8
+x-soft-wrap-text = false
+
+[Makefile]
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+tab_width = 4
+indent_size = tab
+trim_trailing_whitespace = true
+charset = utf-8
+x-soft-wrap-text = false
+
+[*keywords.list]
+insert_final_newline = false

.gitignore

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+#==============================================================================#
+# This file specifies intentionally untracked files that git should ignore.
+#==============================================================================#
+
+#==============================================================================#
+# General
+#==============================================================================#
+# Temp files created by most text editors.
+*~
+# Merge files created by git.
+*.orig
+# vim swap files
+.*.sw?
+.sw?
+#OS X specific files.
+.DS_store
+
+#==============================================================================#
+# Build artifacts
+#==============================================================================#
+*.o
+*.lo
+*.la
+*.lai
+*.lib
+*.slo
+*.cuo
+*.pdf
+*.swp
+a.out
+*.so
+*.dylib
+*.dll
+
+build
+.build_debug/*
+.build_release/*
+distribute/*
+*.testbin
+*.bin
+cmake_build
+.cmake_build
+cmake-build-debug
+cmake-build-release
+cmake-build-relwithdebinfo
+
+#==============================================================================#
+# Python
+#==============================================================================#
+
+*.pyc
+.venv
+dist
+duckdb.egg-info
+.eggs
+.pytest_cache
+duckdb_build
+
+# python parquet files used in tests
+tests/unsigned.parquet
+tests/userdata1.parquet

CMakeLists.txt

@@ -0,0 +1,84 @@
+# ────────────────────────────────────────────
+# IMPORTANT: Cmake is NOT used to build this library. This is here only for
+# Intellisense and clang-tidy.
+#
+# See README.md for more information on how to use this file and how to build
+# the library.
+# ────────────────────────────────────────────
+
+cmake_minimum_required(VERSION 3.18...3.29)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# ────────────────────────────────────────────
+# Policy hygiene
+# ────────────────────────────────────────────
+if(POLICY CMP0148) # Disallow FindPythonLibs
+  cmake_policy(SET CMP0148 NEW)
+endif()
+
+if(POLICY CMP0003) # No implicit link directories
+  cmake_policy(SET CMP0003 NEW)
+endif()
+
+# ────────────────────────────────────────────
+# Dependencies
+# ────────────────────────────────────────────
+find_package(Python3 REQUIRED COMPONENTS Interpreter Development)
+message(STATUS "CPython executable: ${Python3_EXECUTABLE}")
+message(STATUS "CPython include dirs: ${Python3_INCLUDE_DIRS}")
+message(STATUS "CPython libraries: ${Python3_LIBRARIES}")
+
+find_package(pybind11 CONFIG QUIET)
+# Header-only shim: good enough for clang-tidy / IntelliSense
+if(NOT TARGET pybind11::pybind11)
+  add_library(pybind11::pybind11 INTERFACE IMPORTED)
+  target_include_directories(
+    pybind11::pybind11
+    INTERFACE $<BUILD_INTERFACE:${Python3_SITEARCH}/pybind11/include>)
+endif()
+
+# ────────────────────────────────────────────
+# INTERFACE library that **only** carries usage requirements
+# ────────────────────────────────────────────
+add_library(pytooling INTERFACE)
+
+# 1. Include paths that clang‑tidy / IntelliSense must see
+target_include_directories(
+  pytooling INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/include>
+                      $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/src/include>)
+
+# 1. All the imported dependency targets: they bring their own include dirs +
+#   compile definitions automatically.
+target_link_libraries(
+  pytooling INTERFACE Python3::Python # defined by FindPython3
+                      pybind11::pybind11 # defined by pybind11Config.cmake
+)
+
+# ────────────────────────────────────────────
+# Descend into the real DuckDB‑Python sources
+# ────────────────────────────────────────────
+add_subdirectory(src EXCLUDE_FROM_ALL)
+
+# ────────────────────────────────────────────
+# Fake aggregation library for analysis tools
+# ────────────────────────────────────────────
+add_library(duckdb_python_analysis STATIC duckdb_python.cpp)
+target_link_libraries(
+  duckdb_python_analysis
+  PRIVATE pytooling # brings Python + pybind11 + local includes
+          python_src # keep in sync with sub-directory object libs
+          python_arrow
+          python_common
+          python_functional
+          python_jupyter
+          python_native
+          python_numpy
+          python_pandas
+          python_pybind11
+          python_connection
+          python_expression
+          python_relation
+          python_type
+          duckdb_static # <- DuckDB static library from the main project
+)