add appendSerializedValue.

Author: igalklebanov

src/query-compiler/default-query-compiler.ts

@@ -502,12 +502,10 @@ export class DefaultQueryCompiler
   protected override visitValue(node: ValueNode): void {
     if (node.immediate) {
       this.appendImmediateValue(node.value)
+    } else if (node.serialized) {
+      this.appendSerializedValue(node.value)
     } else {
-      this.appendValue(
-        node.serialized && node.value !== null
-          ? JSON.stringify(node.value)
-          : node.value,
-      )
+      this.appendValue(node.value)
     }
   }
 
@@ -1671,6 +1669,14 @@ export class DefaultQueryCompiler
     this.append(this.getCurrentParameterPlaceholder())
   }
 
+  protected appendSerializedValue(parameter: unknown): void {
+    if (parameter === null) {
+      this.appendValue(null)
+    } else {
+      this.appendValue(JSON.stringify(parameter))
+    }
+  }
+
   protected getLeftIdentifierWrapper(): string {
     return '"'
   }