demo

bulk_write.go

@@ -1,128 +0,0 @@
-package postgresql
-
-import (
-	"context"
-	"fmt"
-	"reflect"
-	"strings"
-
-	"github.com/volatiletech/sqlboiler/v4/boil"
-)
-
-const (
-	indexSign = "$%d"
-	decodeTag = "boil"
-)
-
-type bulkInsertItem map[string]interface{}
-
-type BulkInsertPayload struct {
-	TableName string
-	Data      interface{}
-	Columns   []string
-}
-
-func BulkInsert(ctx context.Context, db boil.ContextExecutor, payload BulkInsertPayload) error {
-	// convert data to map
-	insertRows, err := toMap(payload.Data)
-	if err != nil {
-		fmt.Printf("[postgresql] error when convert data to map: %s", err.Error())
-		return err
-	}
-
-	var (
-		numOfColumns  = len(payload.Columns)
-		incSigns      = make([]string, 0)
-		insertValues  = make([]interface{}, 0)
-		listOfSigns   = make([]string, numOfColumns)
-		listOfColumns = make([]string, numOfColumns)
-	)
-
-	// prepare array of dollar signs
-	for i := range listOfSigns {
-		listOfSigns[i] = indexSign
-		listOfColumns[i] = payload.Columns[i]
-	}
-
-	// prepare sign for every column
-	signs := strings.Join(listOfSigns, ",")
-	insertColumns := strings.Join(listOfColumns, ",")
-
-	for index, r := range insertRows {
-		currentIncSigns := getIncSignValues(index, numOfColumns)
-		incSigns = append(incSigns, fmt.Sprintf("("+signs+")",
-			currentIncSigns...,
-		))
-
-		currentInsertValues := getInsertValues(r, payload.Columns, numOfColumns)
-		insertValues = append(insertValues, currentInsertValues...)
-	}
-
-	// exec
-	stm := getSQLStatement(payload.TableName, insertColumns, incSigns)
-	_, err = db.ExecContext(ctx, stm, insertValues...)
-	if err != nil {
-		fmt.Printf("[postgresql] error when insert to db: %s", err.Error())
-		return err
-	}
-
-	return nil
-}
-
-func getSQLStatement(tableName, insertColumns string, incSigns []string) string {
-	return fmt.Sprintf(`
-			insert into %s (
-				%s
-			)
-			values %s
-	`, tableName, insertColumns, strings.Join(incSigns, ","))
-}
-
-func getIncSignValues(index, numOfColumns int) (result []interface{}) {
-	for i := 1; i <= numOfColumns; i++ {
-		result = append(result, index*numOfColumns+i)
-	}
-	return
-}
-
-func getInsertValues(row bulkInsertItem, columns []string, numOfColumns int) (result []interface{}) {
-	for i := 0; i < numOfColumns; i++ {
-		result = append(result, row[columns[i]])
-	}
-	return
-}
-
-func toMap(input interface{}) ([]bulkInsertItem, error) {
-	result := make([]bulkInsertItem, 0)
-
-	v := reflect.ValueOf(input)
-	if v.Kind() == reflect.Ptr {
-		v = v.Elem()
-	}
-
-	// only accept slices
-	if v.Kind() != reflect.Slice {
-		err := fmt.Errorf("toMap only accepts slices; got %T", v)
-		fmt.Printf("[postgresql] invalid type toMap: %s", err.Error())
-		return nil, err
-	}
-
-	// loop and assign data to result
-	for x := 0; x < v.Len(); x++ {
-		item := bulkInsertItem{}
-		typ := v.Index(x).Type()
-
-		// loop each field
-		for i := 0; i < v.Index(x).NumField(); i++ {
-			fi := typ.Field(i)
-			t := fi.Tag.Get(decodeTag)
-			if t != "" {
-				// set key of map to value in struct field
-				item[t] = v.Index(x).Field(i).Interface()
-			}
-		}
-		result = append(result, item)
-	}
-
-	return result, nil
-}

get.go

@@ -1,48 +0,0 @@
-package postgresql
-
-import (
-	"time"
-
-	"github.com/shopspring/decimal"
-	"github.com/volatiletech/null/v8"
-)
-
-func GetString(val null.String) string {
-	if !val.Valid {
-		return ""
-	}
-	return val.String
-}
-
-func GetInt(val null.Int) int {
-	if !val.Valid {
-		return 0
-	}
-	return val.Int
-}
-
-func GetBool(val null.Bool) bool {
-	if !val.Valid {
-		return false
-	}
-	return val.Bool
-}
-
-func GetTime(val null.Time) (res time.Time) {
-	if !val.Valid {
-		return
-	}
-	return val.Time
-}
-
-func GetJSON(val null.JSON) (res []byte) {
-	if !val.Valid {
-		return
-	}
-	return val.JSON
-}
-
-// GetFloat64 ...
-func GetFloat64(val decimal.Decimal) float64 {
-	return val.InexactFloat64()
-}

go.mod

@@ -1,52 +1,11 @@
-module git.selly.red/Selly-Modules/postgresql
+module github.com/Selly-Modules/postgresql
 
-go 1.19
+go 1.16
 
 require (
 	github.com/Masterminds/squirrel v1.5.0
-	github.com/golang-migrate/migrate/v4 v4.15.2
-	github.com/jackc/pgx/v4 v4.17.0
-	github.com/shopspring/decimal v1.3.1
-	github.com/volatiletech/null/v8 v8.1.2
-	github.com/volatiletech/sqlboiler/v4 v4.12.0
-	go.elastic.co/apm/module/apmsql/v2 v2.2.0
-	golang.org/x/text v0.6.0
-)
-
-require (
-	github.com/armon/go-radix v1.0.0 // indirect
-	github.com/elastic/go-licenser v0.4.1 // indirect
-	github.com/elastic/go-sysinfo v1.9.0 // indirect
-	github.com/elastic/go-windows v1.0.1 // indirect
-	github.com/friendsofgo/errors v0.9.2 // indirect
-	github.com/gofrs/uuid v4.0.0+incompatible // indirect
-	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/jackc/pgconn v1.13.0 // indirect
-	github.com/jackc/pgio v1.0.0 // indirect
-	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
-	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
-	github.com/jackc/pgtype v1.12.0 // indirect
-	github.com/jcchavezs/porto v0.4.0 // indirect
-	github.com/joeshaw/multierror v0.0.0-20140124173710-69b34d4ec901 // indirect
-	github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
-	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
-	github.com/lib/pq v1.10.2 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/prometheus/procfs v0.9.0 // indirect
-	github.com/santhosh-tekuri/jsonschema v1.2.4 // indirect
-	github.com/volatiletech/inflect v0.0.1 // indirect
-	github.com/volatiletech/randomize v0.0.1 // indirect
-	github.com/volatiletech/strmangle v0.0.4 // indirect
-	go.elastic.co/apm/v2 v2.2.0 // indirect
-	go.elastic.co/fastjson v1.1.0 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
-	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
-	golang.org/x/mod v0.7.0 // indirect
-	golang.org/x/sys v0.4.0 // indirect
-	golang.org/x/tools v0.5.0 // indirect
-	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
-	howett.net/plist v1.0.0 // indirect
+	github.com/jmoiron/sqlx v1.3.4
+	github.com/lib/pq v1.10.2
+	github.com/logrusorgru/aurora v2.0.3+incompatible
+	go.elastic.co/apm/module/apmsql v1.14.0
 )

migration.go

@@ -1,51 +0,0 @@
-package postgresql
-
-import (
-	"database/sql"
-	"fmt"
-	"os"
-
-	"github.com/golang-migrate/migrate/v4"
-	"github.com/golang-migrate/migrate/v4/database/postgres"
-	_ "github.com/golang-migrate/migrate/v4/source/file"
-)
-
-func runMigration(db *sql.DB, server string) {
-	// init migrate data
-	driver, _ := postgres.WithInstance(db, &postgres.Config{})
-	m, err := migrate.NewWithDatabaseInstance(
-		fmt.Sprintf("file:///%s", getMigrationDirectoryPath(server)),
-		"postgres",
-		driver,
-	)
-
-	// up
-	if err == nil {
-		if err = m.Up(); err != nil && err.Error() != "no change" {
-			fmt.Printf("[postgresql] run migration error: %s", err.Error())
-			return
-		}
-		fmt.Printf("⚡️[postgres]: done migration \n")
-	}
-}
-
-func getMigrationDirectoryPath(server string) string {
-	migrationDir := fmt.Sprintf("/external/postgresql/%s/migrations/sql", server)
-
-	dirname, err := os.Getwd()
-	if err != nil {
-		panic(err)
-	}
-
-	// Check path existed
-	path := dirname + migrationDir
-	if _, err = os.Stat(path); os.IsNotExist(err) {
-		// Create if not existed
-		err = os.Mkdir(path, 0755)
-		if err != nil {
-			panic(err)
-		}
-	}
-
-	return path
-}

postgresql.go

@@ -1,72 +1,60 @@
 package postgresql
 
 import (
-	"database/sql"
 	"fmt"
+	"log"
 	"time"
 
-	_ "github.com/jackc/pgx/v4/stdlib"
-	"github.com/volatiletech/sqlboiler/v4/boil"
-	"go.elastic.co/apm/module/apmsql/v2"
-	_ "go.elastic.co/apm/module/apmsql/v2/pgxv4"
+
+	"github.com/jmoiron/sqlx"
+	_ "github.com/lib/pq" // For postgres dialect
+	"github.com/logrusorgru/aurora"
+
+	"go.elastic.co/apm/module/apmsql"
+	_ "go.elastic.co/apm/module/apmsql/pq" // For apm dialect
 )
 
-type Config struct {
-	Host               string
-	Port               int
-	User               string
-	Password           string
-	DBName             string
-	SSLMode            string
-	IsDebug            bool
-	MaxOpenConnections int
-	MaxIdleConnections int
-	ConnectionLifetime time.Duration
-	UseElasticAPM      bool
-}
+var (
+	sqlxClient *sqlx.DB
+)
 
-// Connect ...
-func Connect(cfg Config, server string) (db *sql.DB, err error) {
-	uri := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
-		cfg.Host, cfg.Port, cfg.User, cfg.Password, cfg.DBName, cfg.SSLMode)
+// Connect to postgresql database
+func Connect(host, user, password, dbname, port, sslmode string) error {
+	// Connect string
+	dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=%s TimeZone=UTC",
+		host, user, password, dbname, port, sslmode,
+	)
 
-	// connect
-	if cfg.UseElasticAPM {
-		db, err = apmsql.Open("pgx", uri)
-	} else {
-		db, err = sql.Open("pgx", uri)
-	}
+	// TODO: write case for SSL mode
+
+	// db, err := sqlx.Connect("postgres", dsn)
+	// if err != nil {
+	// 	log.Fatalln(err)
+	// }
+
+	apmDB, err := apmsql.Open("postgres", dsn)
 	if err != nil {
-		panic(err)
+		log.Fatalln(err)
 	}
 
-	// ping
-	if err = db.Ping(); err != nil {
-		fmt.Printf("[postgresql] pgx ping error: %s", err.Error())
-		return nil, err
+	db := sqlx.NewDb(apmDB, "postgres")
+
+	fmt.Println(aurora.Green("*** CONNECTED TO POSTGRESQL - SQLX: " + dsn))
+
+	// Config connection pool
+	sqlDB := db.DB
+	sqlDB.SetMaxOpenConns(100)
+	sqlDB.SetMaxIdleConns(20)
+	sqlDB.SetConnMaxLifetime(time.Minute * 5)
+
+	// Assign client
+	sqlxClient = db
+
+	return nil
 }
 
-	// config
-	if cfg.MaxOpenConnections == 0 {
-		cfg.MaxOpenConnections = 25
+// GetSqlxInstance ...
+func GetSqlxInstance() *sqlx.DB {
+	return sqlxClient
 }
-	if cfg.MaxIdleConnections == 0 {
-		cfg.MaxIdleConnections = 25
-	}
-	if cfg.ConnectionLifetime == 0 {
-		cfg.ConnectionLifetime = 5 * time.Minute
-	}
-	db.SetMaxOpenConns(cfg.MaxOpenConnections)
-	db.SetMaxIdleConns(cfg.MaxIdleConnections)
-	db.SetConnMaxLifetime(cfg.ConnectionLifetime)
 
-	// run migration
-	runMigration(db, server)
-
-	// debug mode
-	boil.DebugMode = cfg.IsDebug
-
-	fmt.Printf("⚡️[postgres]: connected to %s:%d, with APM: %t \n", cfg.Host, cfg.Port, cfg.UseElasticAPM)
-
-	return db, nil
-}

set.go

@@ -1,53 +0,0 @@
-package postgresql
-
-import (
-	"time"
-
-	"github.com/shopspring/decimal"
-	"github.com/volatiletech/null/v8"
-)
-
-func SetString(val string) null.String {
-	return null.String{
-		String: val,
-		Valid:  true,
-	}
-}
-
-func SetInt(val int) null.Int {
-	return null.Int{
-		Int:   val,
-		Valid: true,
-	}
-}
-
-func SetBool(val bool) (res null.Bool) {
-	return null.Bool{
-		Bool:  val,
-		Valid: true,
-	}
-}
-
-func SetTime(val time.Time) (res null.Time) {
-	if val.IsZero() {
-		return
-	}
-	return null.Time{
-		Time:  val,
-		Valid: true,
-	}
-}
-
-func SetJSON(val []byte) (res null.JSON) {
-	if val == nil {
-		return
-	}
-	return null.JSON{
-		JSON:  val,
-		Valid: true,
-	}
-}
-
-func SetFloat64(val float64) decimal.Decimal {
-	return decimal.NewFromFloat(val)
-}

string.go

@@ -1,38 +0,0 @@
-package postgresql
-
-import (
-	"golang.org/x/text/runes"
-	"golang.org/x/text/transform"
-	"golang.org/x/text/unicode/norm"
-	"regexp"
-	"strings"
-	"unicode"
-)
-
-// RemoveDiacritics ...
-func RemoveDiacritics(s string) string {
-	if s != "" {
-		s = strings.ToLower(s)
-		s = replaceStringWithRegex(s, `đ`, "d")
-		t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
-		result, _, _ := transform.String(t, s)
-		result = replaceStringWithRegex(result, `[^a-zA-Z0-9\s]`, "")
-
-		return result
-	}
-	return ""
-}
-
-// replaceStringWithRegex ...
-func replaceStringWithRegex(src string, regex string, replaceText string) string {
-	reg := regexp.MustCompile(regex)
-	return reg.ReplaceAllString(src, replaceText)
-}
-
-// TransformKeywordToSearchString ...
-func TransformKeywordToSearchString(keyword string) string {
-	s := strings.Trim(keyword, " ")
-	s = RemoveDiacritics(s)
-	s = strings.ReplaceAll(s, " ", "&")
-	return s + ":*" // For prefix search
-}