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解决平台报错：'NoneType' object is not subscriptable #2132

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merged 3 commits into from
Apr 24, 2023
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解决平台报错：'NoneType' object is not subscriptable #2132

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6e24f26
Update oracle.py
songtao12 Apr 24, 2023
bb59f8e
Update oracle.py
songtao12 Apr 24, 2023
7fae40d
Update oracle.py
songtao12 Apr 24, 2023
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4 changes: 3 additions & 1 deletion sql/engines/oracle.py
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Original file line number Diff line number Diff line change
Expand Up @@ -604,7 +604,9 @@ def explain_check(self, db_name=None, sql="", close_conn=False):
sql = sql.rstrip(";")
cursor.execute(sql)
# 获取影响行数
cursor.execute(f"select CARDINALITY from SYS.PLAN_TABLE$ where id = 0")
cursor.execute(
f"select CARDINALITY from (select CARDINALITY from PLAN_TABLE t where id = 0 order by t.timestamp desc) where rownum = 1"
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)
rows = cursor.fetchone()
conn.rollback()
if not rows:
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