Support PostgreSQL

.github/workflows/ci-run-test-extensions.yml

@@ -0,0 +1,89 @@
+# This starter workflow is for a CMake project running on multiple platforms. There is a different starter workflow if you just want a single platform.
+# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-single-platform.yml
+name: ci-run-test-extensions
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  test-on-ubuntu-2204:
+    name: test-on-ubuntu-22.04
+    runs-on: ubuntu-latest
+    container:
+      image: docker.io/ubuntu:22.04
+      env:
+        TZ: Asia/Shanghai
+        DEBIAN_FRONTEND: noninteractive
+      volumes:
+        - ${{ github.workspace }}:${{ github.workspace }}
+
+    strategy:
+      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Intall Deps
+      run: |
+        export DEBIAN_FRONTEND=noninteractive
+        echo "Asia/Shanghai" > /etc/timezone
+        apt-get update
+        apt-get install -y gcc make cmake autoconf sudo lsb-release curl ca-certificates tzdata
+        dpkg-reconfigure --frontend noninteractive tzdata
+
+    - name: Install database
+      run: |
+        install -d /usr/share/postgresql-common/pgdg
+        curl -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc --fail https://www.postgresql.org/media/keys/ACCC4CF8.asc
+        sh -c 'echo "deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] https://apt.postgresql.org/pub/repos/apt $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
+        apt-get update
+        apt-get install -y postgresql-15 libpq-dev
+
+    - name: Start database
+      run: |
+        sudo -u postgres echo "123456" > /tmp/pg.pwfile
+        sudo -u postgres /usr/lib/postgresql/15/bin/initdb -D /tmp/data -U postgres -A md5 --pwfile=/tmp/pg.pwfile
+        sudo -u postgres /usr/lib/postgresql/15/bin/pg_ctl -D /tmp/data -l /tmp/data/logfile start
+        PGPASSWORD=123456 psql -h 127.0.0.1 -U postgres -c "SELECT 1"
+
+    - name: Configure And make
+      working-directory: ${{ github.workspace }}
+      run: |
+        # autoconf
+        ./configure --with-pgsql \
+        --with-pgsql-incdir=/usr/include/postgresql \
+        --with-pgsql-libdir=/usr/lib/x86_64-linux-gnu
+        make
+
+    - name: Test
+      working-directory: ${{ github.workspace }}
+      run: |
+        cd tests/
+        make test
+        make test-ext
+        make clean
+        cd ../
+        make clean
+
+    - name: Cmake And make
+      working-directory: ${{ github.workspace }}
+      run: |
+        mkdir build/ && cd build/
+        cmake .. \
+        -DWITH_PGSQL=ON \
+        -DWITH_PGSQL_INCLUDE_DIR=/usr/include/postgresql \
+        -DWITH_PGSQL_LIBRARY_DIR=/usr/lib/x86_64-linux-gnu
+        make && make install
+
+    - name: Cmake Test
+      working-directory: ${{ github.workspace }}
+      run: |
+        cd build/
+        make test

CMakeLists.txt

@@ -38,6 +38,25 @@ IF (NOT CMAKE_USE_PTHREADS_INIT)
 	MESSAGE(FATAL_ERROR "Couldn't find pthreads.")
 ENDIF()
 
+IF(NOT "${WITH_PGSQL}" STREQUAL "")
+	message(STATUS "with_pgsql: ${WITH_PGSQL}")
+	# check "libpq-fe.h"
+	if(EXISTS "${WITH_PGSQL_INCLUDE_DIR}/libpq-fe.h")
+		message(STATUS "found 'libpq-fe.h' header.")
+		SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DENABLE_PGSQL")
+	else()
+		message(FATAL_ERROR "Cannot find 'libpq-fe.h' header. Use '-DWITH_PGSQL_INCLUDE_DIR=DIR' to specify the directory where 'libpq-fe.h' is located.")
+	endif()
+
+	# check "libpq.so"
+	if(EXISTS "${WITH_PGSQL_LIBRARY_DIR}/libpq.so")
+		message(STATUS "found 'libpq.so' library.")
+		SET(QLIBC_LINK_LIBS "pq")
+	else()
+		message(FATAL_ERROR "Cannot find 'libpq.so' library. Use '-DWITH_PGSQL_LIBRARY_DIR=DIR' to specify the directory where 'libpq.so' is located.")
+	endif()
+ENDIF()
+
 SET(SRC_SUBPATHS
 		containers/*.c
 		utilities/*.c
@@ -80,20 +99,26 @@ FILE(GLOB_RECURSE SRC_LIB_EXT
 SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${qlibc_SOURCE_DIR}/lib)
 SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${qlibc_SOURCE_DIR}/lib)
 
+LIST(APPEND QLIBC_INCLUDE_DIRECTORIES ${qlibc_SOURCE_DIR}/src/internal)
+LIST(APPEND QLIBC_INCLUDE_DIRECTORIES ${WITH_PGSQL_INCLUDE_DIR})
+LIST(APPEND QLIBC_LINK_DIRECTORIES    ${WITH_PGSQL_LIBRARY_DIR})
+
+INCLUDE_DIRECTORIES(${QLIBC_INCLUDE_DIRECTORIES})
+LINK_DIRECTORIES(${QLIBC_LINK_DIRECTORIES})
+
 ADD_LIBRARY(qlibc-static STATIC ${SRC_LIB})
 ADD_LIBRARY(qlibc SHARED ${SRC_LIB})
 ADD_LIBRARY(qlibcext-static STATIC ${SRC_LIB_EXT})
 ADD_LIBRARY(qlibcext SHARED ${SRC_LIB_EXT})
 
-INCLUDE_DIRECTORIES(${qlibc_SOURCE_DIR}/src/internal)
 TARGET_INCLUDE_DIRECTORIES(qlibc-static PUBLIC ${qlibc_SOURCE_DIR}/include/qlibc)
 TARGET_INCLUDE_DIRECTORIES(qlibc PUBLIC ${qlibc_SOURCE_DIR}/include/qlibc)
 TARGET_INCLUDE_DIRECTORIES(qlibcext-static PUBLIC ${qlibc_SOURCE_DIR}/include/qlibc)
 
 TARGET_LINK_LIBRARIES(qlibc-static PRIVATE ${CMAKE_THREAD_LIBS_INIT})
 TARGET_LINK_LIBRARIES(qlibc PRIVATE ${CMAKE_THREAD_LIBS_INIT})
-TARGET_LINK_LIBRARIES(qlibcext-static PRIVATE ${CMAKE_THREAD_LIBS_INIT})
-TARGET_LINK_LIBRARIES(qlibcext PUBLIC qlibc)
+TARGET_LINK_LIBRARIES(qlibcext-static PRIVATE ${CMAKE_THREAD_LIBS_INIT} ${QLIBC_LINK_LIBS})
+TARGET_LINK_LIBRARIES(qlibcext PUBLIC qlibc ${QLIBC_LINK_LIBS})
 
 SET(QLIBC_HEADER "${qlibc_SOURCE_DIR}/include/qlibc")
 INSTALL(DIRECTORY ${QLIBC_HEADER}         DESTINATION include)

Makefile.in

@@ -34,6 +34,9 @@ all:
 test: all
 	make -C tests test
 
+test-ext: all
+	make -C tests test-ext
+
 install:
 	make -C src install
 
@@ -44,7 +47,6 @@ uninstall:
 clean:
 	make -C src clean
 
-
 distclean: clean
 	@for DIR in src tests examples; do			\
 		echo "===> $${DIR}";				\

README.md

@@ -39,7 +39,7 @@ Please refer the LICENSE document included in the package for more details.
   * INI-style Configuration File Parser.
   * HTTP client.
   * Rotating File Logger.
-  * Database(MySQL) interface.
+  * Database(MySQL/PostgreSQL) interface.
   * [Token-Bucket](https://en.wikipedia.org/wiki/Token_bucket)
 
 ## qLibc Tables at a Glance

configure

@@ -732,6 +732,9 @@ enable_ext_qhttpclient
 enable_ext_qdatabase
 with_openssl
 with_mysql
+with_pgsql
+with_pgsql_incdir
+with_pgsql_libdir
 '
       ac_precious_vars='build_alias
 host_alias
@@ -1372,6 +1375,11 @@ Optional Packages:
                           extension API. When it's enabled, user applications
                           need to link mysql client library. (ex:
                           -lmysqlclient)
+  --with-pgsql            This will enable PostgreSQL database support in
+                          qdatabase extension API. When it's enabled, user
+                          applications need to link libpq library. (ex: -lpq)
+  --with-pgsql-incdir=DIR site header files for PostgreSQL in DIR.
+  --with-pgsql-libdir=DIR site library files for PostgreSQL in DIR
 
 Some influential environment variables:
   CC          C compiler command
@@ -4843,6 +4851,101 @@ See \`config.log' for more details" "$LINENO" 5; }
 	fi
 fi
 
+
+# Check whether --with-pgsql was given.
+if test "${with_pgsql+set}" = set; then :
+  withval=$with_pgsql;
+else
+  withval=no
+fi
+
+if test "$withval" = yes; then
+	# check libpq-fe.h
+	as_ac_File=`$as_echo "ac_cv_file_$with_pgsql_incdir/libpq-fe.h" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $with_pgsql_incdir/libpq-fe.h" >&5
+$as_echo_n "checking for $with_pgsql_incdir/libpq-fe.h... " >&6; }
+if eval \${$as_ac_File+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  test "$cross_compiling" = yes &&
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
+if test -r "$with_pgsql_incdir/libpq-fe.h"; then
+  eval "$as_ac_File=yes"
+else
+  eval "$as_ac_File=no"
+fi
+fi
+eval ac_res=\$$as_ac_File
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
+  withval=yes
+else
+  withval=no
+fi
+
+	if test "$withval" = yes; then
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: find '$with_pgsql_incdir/libpq-fe.h'" >&5
+$as_echo "$as_me: find '$with_pgsql_incdir/libpq-fe.h'" >&6;}
+		CPPFLAGS="$CPPFLAGS -DENABLE_PGSQL -I$with_pgsql_incdir"
+	else
+		{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "Cannot find 'libpq-fe.h' header. Use --with-pgsql-incdir=DIR to specify the directory where 'libpq-fe.h' is located.
+See \`config.log' for more details" "$LINENO" 5; }
+	fi
+	# check libpq.so
+	as_ac_File=`$as_echo "ac_cv_file_$with_pgsql_libdir/libpq.so" | $as_tr_sh`
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $with_pgsql_libdir/libpq.so" >&5
+$as_echo_n "checking for $with_pgsql_libdir/libpq.so... " >&6; }
+if eval \${$as_ac_File+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  test "$cross_compiling" = yes &&
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
+if test -r "$with_pgsql_libdir/libpq.so"; then
+  eval "$as_ac_File=yes"
+else
+  eval "$as_ac_File=no"
+fi
+fi
+eval ac_res=\$$as_ac_File
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
+  withval=yes
+else
+  withval=no
+fi
+
+	if test "$withval" = yes; then
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: find '$with_pgsql_libdir/libpq.so'" >&5
+$as_echo "$as_me: find '$with_pgsql_libdir/libpq.so'" >&6;}
+		CPPFLAGS="$CPPFLAGS -Wl,-rpath,$with_pgsql_libdir -L$with_pgsql_libdir -lpq"
+	else
+		{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "Cannot find 'libpq.so' library. Use --with-pgsql-libdir=DIR to specify the directory where 'libpq.so' is located.
+See \`config.log' for more details" "$LINENO" 5; }
+	fi
+fi
+
+# Check whether --with-pgsql_incdir was given.
+if test "${with_pgsql_incdir+set}" = set; then :
+  withval=$with_pgsql_incdir;
+else
+  withval=no
+fi
+
+
+# Check whether --with-pgsql_libdir was given.
+if test "${with_pgsql_libdir+set}" = set; then :
+  withval=$with_pgsql_libdir;
+else
+  withval=no
+fi
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: CFLAGS $CFLAGS" >&5
 $as_echo "$as_me: CFLAGS $CFLAGS" >&6;}
 { $as_echo "$as_me:${as_lineno-$LINENO}: CPPFLAGS $CPPFLAGS" >&5

configure.ac

@@ -198,6 +198,28 @@ if test "$withval" = yes; then
 	fi
 fi
 
+AC_ARG_WITH([pgsql],[AS_HELP_STRING([--with-pgsql], [This will enable PostgreSQL database support in qdatabase extension API. When it's enabled, user applications need to link libpq library. (ex: -lpq)])],[],[withval=no])
+if test "$withval" = yes; then
+	# check libpq-fe.h
+	AC_CHECK_FILE([$with_pgsql_incdir/libpq-fe.h],[withval=yes],[withval=no])
+	if test "$withval" = yes; then
+		AC_MSG_NOTICE([find '$with_pgsql_incdir/libpq-fe.h'])
+		CPPFLAGS="$CPPFLAGS -DENABLE_PGSQL -I$with_pgsql_incdir"
+	else
+		AC_MSG_FAILURE([Cannot find 'libpq-fe.h' header. Use --with-pgsql-incdir=DIR to specify the directory where 'libpq-fe.h' is located.])
+	fi
+	# check libpq.so
+	AC_CHECK_FILE([$with_pgsql_libdir/libpq.so],[withval=yes],[withval=no])
+	if test "$withval" = yes; then
+		AC_MSG_NOTICE([find '$with_pgsql_libdir/libpq.so'])
+		CPPFLAGS="$CPPFLAGS -Wl,-rpath,$with_pgsql_libdir -L$with_pgsql_libdir -lpq"
+	else
+		AC_MSG_FAILURE([Cannot find 'libpq.so' library. Use --with-pgsql-libdir=DIR to specify the directory where 'libpq.so' is located.])
+	fi
+fi
+AC_ARG_WITH([pgsql_incdir],[AS_HELP_STRING([--with-pgsql-incdir=DIR], [site header files for PostgreSQL in DIR.])],[],[withval=no])
+AC_ARG_WITH([pgsql_libdir],[AS_HELP_STRING([--with-pgsql-libdir=DIR], [site library files for PostgreSQL in DIR])],[],[withval=no])
+
 AC_MSG_NOTICE([CFLAGS $CFLAGS])
 AC_MSG_NOTICE([CPPFLAGS $CPPFLAGS])
 #AC_MSG_NOTICE([LIBS $LIBS])