feat: security feature - login history

Show the user the last login information.

Author: yangsn6

external/Makefile

@@ -10,6 +10,7 @@ SUBDIRS =
 # sort extention by names, less git conflict
 SUBDIRS += polar_feature_utils
 SUBDIRS += polar_io_stat
+SUBDIRS += polar_login_history
 SUBDIRS += polar_monitor
 SUBDIRS += polar_monitor_preload
 SUBDIRS += polar_parameter_manager

external/polar_login_history/Makefile

@@ -0,0 +1,20 @@
+# external/polar_login_history/Makefile
+
+MODULE_big = polar_login_history
+OBJS = polar_login_history.o
+EXTENSION = polar_login_history
+NO_INSTALLCHECK = 1
+
+ifdef USE_PGXS
+PG_CONFIG = pg_config
+PGXS := $(shell $(PG_CONFIG) --pgxs)
+include $(PGXS)
+else
+subdir = external/polar_login_history
+top_builddir = ../..
+include $(top_builddir)/src/Makefile.global
+include $(top_srcdir)/contrib/contrib-global.mk
+endif
+
+check:
+	$(prove_check)