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-rw-r--r--pgcli/explain_output_formatter.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/pgcli/explain_output_formatter.py b/pgcli/explain_output_formatter.py
index b14cf44..ce45b4f 100644
--- a/pgcli/explain_output_formatter.py
+++ b/pgcli/explain_output_formatter.py
@@ -10,7 +10,8 @@ class ExplainOutputFormatter:
self.max_width = max_width
def format_output(self, cur, headers, **output_kwargs):
- (data,) = cur.fetchone()
+ # explain query results should always contain 1 row each
+ [(data,)] = list(cur)
explain_list = json.loads(data)
visualizer = Visualizer(self.max_width)
for explain in explain_list: