bug fixes

engine/ddl.py

@@ -28,7 +28,7 @@ class create_table(ast_node):
         # create an empty new table
         if self.cexprs is None:
             for c in tbl.columns:
-                self.emit(f"{c.cxt_name}.init();")
+                self.emit(f"{c.cxt_name}.init({c.name});")
         # create an output table
         else:
             # 1 to 1 lineage.
@@ -40,7 +40,7 @@ class create_table(ast_node):
                 else:
                     self.lineage = None
                 for i, c in enumerate(tbl.columns):
-                    self.emit(f"{c.cxt_name}.init();")
+                    self.emit(f"{c.cxt_name}.init({c.name});")
                     self.emit(f"{c.cxt_name} = {self.cexprs[i](self.lineage)};")
                 self.lineage = None
                 self.parent.assumptions = None
@@ -54,7 +54,7 @@ class create_table(ast_node):
                     scanner.add(f"{lineage_var}.emplace_back({counter_var}++);", "front")
                     self.lineage = f"{lineage_var}.rid"
                 for i, c in enumerate(tbl.columns):
-                    scanner.add(f"{c.cxt_name}.init();", "init")
+                    scanner.add(f"{c.cxt_name}.init({c.name});", "init")
                     scanner.add(f"{c.cxt_name} = {self.cexprs[i](scanner.it_ver)};")
                     
 class insert(ast_node):

engine/expr.py

@@ -50,6 +50,7 @@ class expr(ast_node):
         self.inside_agg = False
         if(type(parent) is expr):
             self.inside_agg = parent.inside_agg
+            self.__abs = parent.__abs
         ast_node.__init__(self, parent, node, None)
 
     def init(self, _):

engine/groupby.py

@@ -55,7 +55,7 @@ class groupby(ast_node):
         gscanner = scan(self, self.group)
         val_var = 'val_'+base62uuid(7)
         gscanner.add(f'auto &{val_var} = {gscanner.it_ver}.second;')
-        gscanner.add(f'{out.cxt_name}->order_by<{assumption.result()}>(&{val_var});')
+        gscanner.add(f'{self.datasource.cxt_name}->order_by<{assumption.result()}>(&{val_var});')
         gscanner.finalize()
         
     def finalize(self, cexprs, out:TableInfo):