From 374a0f6318bcf423b1b784d30b25a8327c65cb24 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Thu, 6 Jul 2023 09:28:12 +0200
Subject: Merging upstream version 17.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 sqlglot/planner.py | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

(limited to 'sqlglot/planner.py')

diff --git a/sqlglot/planner.py b/sqlglot/planner.py
index f246702..07ee739 100644
--- a/sqlglot/planner.py
+++ b/sqlglot/planner.py
@@ -23,9 +23,11 @@ class Plan:
             while nodes:
                 node = nodes.pop()
                 dag[node] = set()
+
                 for dep in node.dependencies:
                     dag[node].add(dep)
                     nodes.add(dep)
+
             self._dag = dag
 
         return self._dag
@@ -128,15 +130,22 @@ class Step:
             agg_funcs = tuple(expression.find_all(exp.AggFunc))
             if agg_funcs:
                 aggregations.add(expression)
+
             for agg in agg_funcs:
                 for operand in agg.unnest_operands():
                     if isinstance(operand, exp.Column):
                         continue
                     if operand not in operands:
                         operands[operand] = next_operand_name()
+
                     operand.replace(exp.column(operands[operand], quoted=True))
+
             return bool(agg_funcs)
 
+        def set_ops_and_aggs(step):
+            step.operands = tuple(alias(operand, alias_) for operand, alias_ in operands.items())
+            step.aggregations = list(aggregations)
+
         for e in expression.expressions:
             if e.find(exp.AggFunc):
                 projections.append(exp.column(e.alias_or_name, step.name, quoted=True))
@@ -164,10 +173,7 @@ class Step:
                 else:
                     aggregate.condition = having.this
 
-            aggregate.operands = tuple(
-                alias(operand, alias_) for operand, alias_ in operands.items()
-            )
-            aggregate.aggregations = list(aggregations)
+            set_ops_and_aggs(aggregate)
 
             # give aggregates names and replace projections with references to them
             aggregate.group = {
@@ -178,13 +184,14 @@ class Step:
             for k, v in aggregate.group.items():
                 intermediate[v] = k
                 if isinstance(v, exp.Column):
-                    intermediate[v.alias_or_name] = k
+                    intermediate[v.name] = k
 
             for projection in projections:
                 for node, *_ in projection.walk():
                     name = intermediate.get(node)
                     if name:
                         node.replace(exp.column(name, step.name))
+
             if aggregate.condition:
                 for node, *_ in aggregate.condition.walk():
                     name = intermediate.get(node) or intermediate.get(node.name)
@@ -197,6 +204,13 @@ class Step:
         order = expression.args.get("order")
 
         if order:
+            if isinstance(step, Aggregate):
+                for i, ordered in enumerate(order.expressions):
+                    if extract_agg_operands(exp.alias_(ordered.this, f"_o_{i}", quoted=True)):
+                        ordered.this.replace(exp.column(f"_o_{i}", step.name, quoted=True))
+
+                set_ops_and_aggs(aggregate)
+
             sort = Sort()
             sort.name = step.name
             sort.key = order.expressions
@@ -340,7 +354,10 @@ class Join(Step):
     def _to_s(self, indent: str) -> t.List[str]:
         lines = []
         for name, join in self.joins.items():
-            lines.append(f"{indent}{name}: {join['side']}")
+            lines.append(f"{indent}{name}: {join['side'] or 'INNER'}")
+            join_key = ", ".join(str(key) for key in t.cast(list, join.get("join_key") or []))
+            if join_key:
+                lines.append(f"{indent}Key: {join_key}")
             if join.get("condition"):
                 lines.append(f"{indent}On: {join['condition'].sql()}")  # type: ignore
         return lines
-- 
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