Add server settings view (#768)

pkg/api/api.go

@@ -486,6 +486,12 @@ func GetConnectionInfo(c *gin.Context) {
 	successResponse(c, info)
 }
 
+// GetServerSettings renders a list of all server settings
+func GetServerSettings(c *gin.Context) {
+	res, err := DB(c).ServerSettings()
+	serveResult(c, res, err)
+}
+
 // GetActivity renders a list of running queries
 func GetActivity(c *gin.Context) {
 	res, err := DB(c).Activity()

pkg/api/routes.go

@@ -35,6 +35,7 @@ func SetupRoutes(router *gin.Engine) {
 	api.POST("/switchdb", SwitchDb)
 	api.GET("/databases", GetDatabases)
 	api.GET("/connection", GetConnectionInfo)
+	api.GET("/server_settings", GetServerSettings)
 	api.GET("/activity", GetActivity)
 	api.GET("/schemas", GetSchemas)
 	api.GET("/objects", GetObjects)

pkg/client/client.go

@@ -386,6 +386,10 @@ func (client *Client) TablesStats() (*Result, error) {
 	return client.query(statements.TablesStats)
 }
 
+func (client *Client) ServerSettings() (*Result, error) {
+	return client.query(statements.Settings)
+}
+
 // Returns all active queriers on the server
 func (client *Client) Activity() (*Result, error) {
 	if client.serverType == cockroachType {

pkg/client/client_test.go

@@ -11,10 +11,10 @@ import (
 	"testing"
 	"time"
 
-	"github.com/sosedoff/pgweb/pkg/command"
-
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+
+	"github.com/sosedoff/pgweb/pkg/command"
 )
 
 var (
@@ -717,6 +717,32 @@ func testConnContext(t *testing.T) {
 	assert.Equal(t, "default", result.Mode)
 }
 
+func testServerSettings(t *testing.T) {
+	expectedColumns := []string{
+		"name",
+		"setting",
+		"unit",
+		"category",
+		"short_desc",
+		"extra_desc",
+		"context",
+		"vartype",
+		"source",
+		"min_val",
+		"max_val",
+		"enumvals",
+		"boot_val",
+		"reset_val",
+		"sourcefile",
+		"sourceline",
+		"pending_restart",
+	}
+
+	result, err := testClient.ServerSettings()
+	assert.NoError(t, err)
+	assert.Equal(t, expectedColumns, result.Columns)
+}
+
 func TestAll(t *testing.T) {
 	if onWindows() {
 		t.Log("Unit testing on Windows platform is not supported.")
@@ -756,6 +782,7 @@ func TestAll(t *testing.T) {
 	testDumpExport(t)
 	testTablesStats(t)
 	testConnContext(t)
+	testServerSettings(t)
 
 	teardownClient()
 	teardown(t, true)

pkg/statements/sql.go

@@ -47,6 +47,9 @@ var (
 	//go:embed sql/function.sql
 	Function string
 
+	//go:embed sql/settings.sql
+	Settings string
+
 	// Activity queries for specific PG versions
 	Activity = map[string]string{
 		"default": "SELECT * FROM pg_stat_activity WHERE datname = current_database()",

pkg/statements/sql/settings.sql

@@ -0,0 +1 @@
+SELECT * FROM pg_settings