example .c file on windowsHEADmasterdevel

1 files changed, 13 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index ab46d8f..8da6b67 100644
--- a/Makefile
+++ b/Makefile
@@ -20,3 +20,16 @@ clean:
 	rm -f *.pb.go *.patch
 	-rm -f go.*
 	-go-mod-clean purge
+
+build:
+	go build -o add_two.dll -buildmode=c-shared
+	# PS D:\C\myextension> go build -o add_two.dll -buildmode=c-shared
+	# In PostgreSQL: open the query window (adjust path to your generated dynamically loaded library and header file (.dll, .h).
+	# CREATE FUNCTION add_two(int4) RETURNS int4
+	# AS 'D:/C/myextension/add_two.dll', 'add_two'
+	# LANGUAGE C STRICT;
+	# And finally test it:
+	# SELECT add_two(10)
+	# Result:
+		# add_two (integer)
+		# 1 	13