added split (sync and async) db connections pool

core/db_cgo.go

@@ -3,35 +3,20 @@
 package core
 
 import (
-	"fmt"
-	"time"
-
-	_ "github.com/mattn/go-sqlite3"
 	"github.com/pocketbase/dbx"
+	_ "github.com/mattn/go-sqlite3"
 )
 
 func connectDB(dbPath string) (*dbx.DB, error) {
-	// note: the busy_timeout pragma must be first because
-	// the connection needs to be set to block on busy before WAL mode
-	// is set in case it hasn't been already set by another connection
-	pragmas := "_busy_timeout=10000&_journal_mode=WAL&_foreign_keys=1&_synchronous=NORMAL"
-
-	db, openErr := dbx.MustOpen("sqlite3", fmt.Sprintf("%s?%s", dbPath, pragmas))
-	if openErr != nil {
-		return nil, openErr
+	db, err := dbx.Open("sqlite3", dbPath)
+	if err != nil {
+		return nil, err
 	}
 
-	// use a fixed connection pool to limit the SQLITE_BUSY errors
-	// and reduce the open file descriptors
-	// (the limits are arbitrary and may change in the future)
-	db.DB().SetMaxOpenConns(30)
-	db.DB().SetMaxIdleConns(30)
-	db.DB().SetConnMaxIdleTime(5 * time.Minute)
+	if err := initPragmas(db); err != nil {
+		db.Close()
+		return nil, err
+	}
 
-	// additional pragmas not supported through the dsn string
-	_, err := db.NewQuery(`
-		pragma journal_size_limit = 100000000;
-	`).Execute()
-
-	return db, err
+	return db, nil
 }