add limit

readme.md

@@ -1 +1,4 @@
+# DBlang
+sql Querys with js ot ts Syntax.
+
 [![status-badge](https://ci.jusax.de/api/badges/jusax23/dblang/status.svg)](https://ci.jusax.de/jusax23/dblang)

src/defaultHandler.ts

@@ -25,6 +25,10 @@ export class Handler {
                     sql += " having " + havingS[0];
                 }
             }
+            if (q.limitD != null) {
+                sql += " limit ?";
+                args.push(q.limitD);
+            }
 
             return [sql, args];
         }
@@ -60,16 +64,16 @@ export class Handler {
 function joinArg(type: string, s: any) {
     return (a: (allModifierInput)[]): serializeReturn => {
         let args: primaryData[] = [];
-        let sql = "(" + a.map(d => {
+        let sql = a.map(d => {
             if (d instanceof Attribute) return d;
             if (d instanceof Modifier || d instanceof selectQuery || d instanceof Aggregation) {
                 let [sqli, argsi] = d.serialize(s);
                 args.push(...(argsi.flat(Infinity)));
-                return sqli;
+                return "("+sqli+")";
             }
             args.push(d);
             return "?";
-        }).join(" " + type + " ") + ")";
+        }).join(" " + type + " ");
         return [sql, args]
 
     }

src/query.ts

@@ -35,6 +35,11 @@ export class selectQuery {
         this.havingD = m;
         return this;
     }
+    limitD: number | null = null;
+    limit(i: number) {
+        this.limitD = i;
+        return this;
+    }
 
     serialize(handler = Handler): serializeReturn {
         return handler.querys.select(this);