Condition with index instead of member_name

Condition now store the index of the value in the file instead of the
member_name. So when I parse, I can just use the list array []Data and
the index to compare both value

src/fileEngine.zig

@@ -1069,7 +1069,7 @@ pub const FileEngine = struct {
 
     /// Get the type of the member
     pub fn memberName2DataType(self: *FileEngine, struct_name: []const u8, member_name: []const u8) FileEngineError!DataType {
-        var i: u16 = 0;
+        var i: usize = 0;
 
         for (try self.structName2structMembers(struct_name)) |mn| {
             const dtypes = try self.structName2DataType(struct_name);
@@ -1080,9 +1080,20 @@ pub const FileEngine = struct {
         return FileEngineError.MemberNotFound;
     }
 
+    pub fn memberName2DataIndex(self: *FileEngine, struct_name: []const u8, member_name: []const u8) FileEngineError!usize {
+        var i: usize = 0;
+
+        for (try self.structName2structMembers(struct_name)) |mn| {
+            if (std.mem.eql(u8, mn, member_name)) return i;
+            i += 1;
+        }
+
+        return FileEngineError.MemberNotFound;
+    }
+
     /// Get the list of all member name for a struct name
     pub fn structName2structMembers(self: *FileEngine, struct_name: []const u8) FileEngineError![][]const u8 {
-        var i: u16 = 0;
+        var i: usize = 0;
 
         while (i < self.struct_array.items.len) : (i += 1) if (std.mem.eql(u8, self.struct_array.items[i].name, struct_name)) break;
 

src/schemaParser.zig

@@ -38,7 +38,7 @@ pub const Parser = struct {
         name: []const u8,
         members: std.ArrayList([]const u8),
         types: std.ArrayList(DataType),
-        links: std.StringHashMap([]const u8),
+        links: std.StringHashMap([]const u8), // Map key as member_name and value as struct_name, like a dtype
 
         pub fn init(allocator: Allocator, name: []const u8) SchemaStruct {
             return SchemaStruct{

src/stuffs/filter.zig

@@ -47,11 +47,10 @@ const LogicalOperator = enum {
 };
 
 pub const Condition = struct {
-    member_name: []const u8 = undefined,
     value: []const u8 = undefined,
     operation: ComparisonOperator = undefined,
     data_type: DataType = undefined,
-    // data_index: usize TODO: add this member, this is the position in the row of the value, to use in the evaluate method
+    data_index: usize = undefined, // Index in the file
 };
 
 const FilterNode = union(enum) {
@@ -196,8 +195,8 @@ pub const Filter = struct {
                 self.printNode(logical.right.*);
                 std.debug.print(" ) ", .{});
             },
-            .condition => |condition| std.debug.print("{s} {s} {s} |{any}|", .{
-                condition.member_name,
+            .condition => |condition| std.debug.print("{d} {s} {s} |{any}|", .{
+                condition.data_index,
                 condition.operation.str(),
                 condition.value,
                 condition.data_type,

src/ziqlParser.zig

@@ -542,7 +542,10 @@ pub const Parser = struct {
                         struct_name,
                         self.toker.getTokenSlice(token),
                     ) catch return ZiQlParserError.MemberNotFound;
-                    condition.member_name = self.toker.getTokenSlice(token);
+                    condition.data_index = self.file_engine.memberName2DataIndex(
+                        struct_name,
+                        self.toker.getTokenSlice(token),
+                    ) catch return ZiQlParserError.MemberNotFound;
                     state = State.expect_operation;
                 },
                 else => return printError(