make even less shitty

dynamodb/gsi.odin

@@ -42,26 +42,23 @@ GSI_Key_Values :: struct {
 }
 
 // Extract GSI key values from an item based on the GSI's key schema.
-// Returns ok=false if the required partition key attribute is missing (sparse index).
+// Returns ok=false if ANY required key attribute is missing (sparse index).
+// DynamoDB sparse index semantics: item must have ALL key attributes defined in the GSI schema.
 gsi_extract_key_values :: proc(item: Item, gsi_key_schema: []Key_Schema_Element) -> (GSI_Key_Values, bool) {
 	result: GSI_Key_Values
 
 	for ks in gsi_key_schema {
 		attr, found := item[ks.attribute_name]
 		if !found {
-			if ks.key_type == .HASH {
+			// Any key attribute missing → sparse index, skip this item
-				return {}, false // PK missing → sparse, skip this GSI entry
+			return {}, false
-			}
-			continue // SK missing is OK, just no SK segment
 		}
 
 		raw, raw_ok := attr_value_to_bytes(attr)
 		if !raw_ok {
-			if ks.key_type == .HASH {
+			// Can't convert attribute to bytes → skip this item
 			return {}, false
 		}
-			continue
-		}
 
 		switch ks.key_type {
 		case .HASH:

dynamodb/update_item.odin

@@ -1,5 +1,3 @@
-// update_item.odin — Storage layer UpdateItem operation
-// This file lives in the dynamodb/ package alongside storage.odin
 package dynamodb
 
 import "core:strings"