commit 0bb81e5dee3f0ae7b4231dda0a94d9123d9a9635
Author: Chris Cromer <chris@cromer.cl>
Date:   Fri Dec 21 16:03:06 2018 -0300

    initial commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..86096c3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.jar
+build
diff --git a/c/meson.build b/c/meson.build
new file mode 100644
index 0000000..dc772ff
--- /dev/null
+++ b/c/meson.build
@@ -0,0 +1,20 @@
+project('postgresqldemo',
+	'c',
+	version : '1.0.0',
+	license : 'BSD-3',
+	default_options : [ 'b_ofast=if-release', 'b_march_native=if-release', 'b_ndebug=if-release' ]
+)
+
+#gtk_dep = dependency('gtk+-3.0', version : '>=3.0.0')
+# gmodule-export-2.0 is needed to connect the handlers
+#gmodule_dep = dependency('gmodule-export-2.0', version : '>=2.0')
+pg_dep = dependency('libpq', version : '>=8.0')
+
+cc = meson.get_compiler('c')
+
+sources = ['postgresql_demo.c']
+
+exe = executable('postgresql_demo',
+	sources,
+	dependencies : [pg_dep],
+	install : false)
diff --git a/c/postgresql_demo.c b/c/postgresql_demo.c
new file mode 100644
index 0000000..e0b5f21
--- /dev/null
+++ b/c/postgresql_demo.c
@@ -0,0 +1,40 @@
+#include <libpq-fe.h>
+
+int main(int argc, char *argv[]) {
+	PGconn *conn;
+	PGresult *res;
+	int i;
+	int j;
+
+	conn = PQsetdbLogin("localhost", "5432", "", "", "database", "user", "password");
+	if (PQstatus(conn) != CONNECTION_OK) {
+		fprintf(stderr, "Connection to database failed: %s", PQerrorMessage(conn));
+		PQfinish(conn);
+		return 1;
+	}
+
+	res = PQexec(conn, "SELECT * FROM turista");
+	if (PQresultStatus(res) != PGRES_TUPLES_OK) {
+		fprintf(stderr, "SELECT failed: %s", PQerrorMessage(conn));
+		PQclear(res);
+		PQfinish(conn);
+		return 1;
+	}
+
+	for (i = 0; i < PQnfields(res); i++) {
+		printf("%-20s", PQfname(res, i));
+	}
+	printf("\n\n");
+
+	for (i = 0; i < PQntuples(res); i++){
+		for (j = 0; j < PQnfields(res); j++) {
+			printf("%-20s", PQgetvalue(res, i, j));
+		}
+		printf("\n");
+	}
+
+	PQclear(res);
+
+	PQfinish(conn);
+	return 0;
+}
diff --git a/java/PostgresqlDemo.java b/java/PostgresqlDemo.java
new file mode 100644
index 0000000..9e93349
--- /dev/null
+++ b/java/PostgresqlDemo.java
@@ -0,0 +1,53 @@
+import java.sql.*;
+import java.util.Properties;
+
+import static java.lang.System.exit;
+
+public class PostgresqlDemo {
+    private Connection conn;
+
+    private PostgresqlDemo() {
+        String url = "jdbc:postgresql://localhost/databasename";
+        Properties props = new Properties();
+        props.setProperty("user", "bdd");
+        props.setProperty("password", "bdd");
+        try {
+            conn = DriverManager.getConnection(url, props);
+        }
+        catch (SQLException e) {
+            e.printStackTrace();
+            exit(1);
+        }
+        try {
+            Statement statement = conn.createStatement();
+            ResultSet resultSet = statement.executeQuery("SELECT * FROM turista");
+            ResultSetMetaData resultSetMetaData = resultSet.getMetaData();
+            for (int i = 1; i <= resultSetMetaData.getColumnCount(); i++) {
+                System.out.printf("%-20s", resultSetMetaData.getColumnName(i));
+            }
+            System.out.print("\n\n");
+            while (resultSet.next()) {
+                for (int i = 1; i <= resultSetMetaData.getColumnCount(); i++) {
+                    Object object = resultSet.getObject(i);
+                    System.out.printf("%-20s", object == null ? "NULL" : object.toString());
+                }
+                System.out.print("\n");
+            }
+            resultSet.close();
+            statement.close();
+        }
+        catch (SQLException e) {
+            e.printStackTrace();
+        }
+        try {
+            conn.close();
+        }
+        catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void main(String[] args) {
+        new PostgresqlDemo();
+    }
+}
diff --git a/php/postgresql-demo.php b/php/postgresql-demo.php
new file mode 100644
index 0000000..189ad53
--- /dev/null
+++ b/php/postgresql-demo.php
@@ -0,0 +1,27 @@
+<?php
+$conn = pg_connect('host=localhost port=5432 dbname=bdd user=bdd password=bdd');
+if (!$conn) {
+	echo 'Database connection failed!';
+	exit(1);
+}
+$result = pg_query($conn, 'SELECT * FROM turista');
+if (!$result) {
+	echo 'SELECT failed: '.pg_last_error($conn);
+	exit(1);
+}
+
+echo '<table border=1><tr>';
+for ($i = 0; $i < pg_num_fields($result); $i++) {
+	echo '<td>'.pg_field_name($result, $i).'</td>';
+}
+echo '</tr>';
+while ($row = pg_fetch_row($result)) {
+	echo '<tr>';
+	for ($i = 0; $i < pg_num_fields($result); $i++) {
+		echo '<td>'.$row[$i].'</td>';
+	}
+	echo '</tr>';
+}
+echo '</table>';
+pg_close($conn);
+?>
diff --git a/vala/PostgresqlDemo.vala b/vala/PostgresqlDemo.vala
new file mode 100644
index 0000000..835202b
--- /dev/null
+++ b/vala/PostgresqlDemo.vala
@@ -0,0 +1,30 @@
+namespace PostgresqlDemo {
+	using Postgres;
+
+	public static int main (string[] args) {
+		Database conn = set_db_login ("localhost", "5432", "", "", "database", "user", "password");
+		if (conn.get_status () != ConnectionStatus.OK) {
+			stderr.printf ("%s\n", conn.get_error_message ());
+			return 1;
+		}
+
+		Result res = conn.exec ("SELECT * FROM turista");
+		if (res.get_status () != ExecStatus.TUPLES_OK) {
+			stderr.printf ("SELECT failed: %s", conn.get_error_message ());
+			return 1;
+		}
+
+		for (int i = 0; i < res.get_n_fields (); i++) {
+			stdout.printf ("%-20s", res.get_field_name (i));
+		}
+		stdout.printf ("\n\n");
+
+		for (int i = 0; i < res.get_n_tuples (); i++) {
+			for (int j = 0; j < res.get_n_fields (); j++) {
+				stdout.printf ("%-20s", res.get_value (i, j));
+			}
+			stdout.printf ("\n");
+		}
+		return 0;
+	}
+}
diff --git a/vala/meson.build b/vala/meson.build
new file mode 100644
index 0000000..0159621
--- /dev/null
+++ b/vala/meson.build
@@ -0,0 +1,24 @@
+project('postgresqldemo',
+	['c', 'vala'],
+	version: '1.0.0',
+	license: 'BSD-3',
+	default_options: [
+		'b_ofast=if-release',
+		'b_march_native=if-release',
+		'b_ndebug=if-release'
+	]
+)
+add_global_arguments('-DGETTEXT_PACKAGE="sernatur"', language: 'c')
+
+glib_dep = dependency('glib-2.0')
+pq_dep = dependency('libpq', version: '>=8.0')
+
+vala_sources = files('PostgresqlDemo.vala')
+
+sources = vala_sources
+
+exe = executable('postgresql_demo',
+	sources,
+	dependencies: [glib_dep, pq_dep],
+	install: false)
+