質問編集履歴
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また、SELECT * FROM TABLEB WHERE ID =1のようなサブクエリでAを絞りたいのですが、それはどのようにすれば可能でしょうか？
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よろしくお願いいたします。
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------------------------------------------------------------------------------
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KeyError Traceback (most recent call last)
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
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2441 try:
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-> 2442 return self._engine.get_loc(key)
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2443 except KeyError:
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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KeyError: 'jigyosho_id'
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During handling of the above exception, another exception occurred:
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KeyError Traceback (most recent call last)
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<ipython-input-7-d26fb13a76b7> in <module>()
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----> 1 pd.merge(df_homonkei_service_riyosha, df_homonkei_service_kaigo, on='jigyosho_id')
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/reshape/merge.py in merge(left, right, how, on, left_on, right_on, left_index, right_index, sort, suffixes, copy, indicator)
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51 right_on=right_on, left_index=left_index,
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52 right_index=right_index, sort=sort, suffixes=suffixes,
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---> 53 copy=copy, indicator=indicator)
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54 return op.get_result()
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/reshape/merge.py in __init__(self, left, right, how, on, left_on, right_on, axis, left_index, right_index, sort, suffixes, copy, indicator)
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556 (self.left_join_keys,
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557 self.right_join_keys,
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--> 558 self.join_names) = self._get_merge_keys()
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560 # validate the merge keys dtypes. We may need to coerce
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/reshape/merge.py in _get_merge_keys(self)
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808 if not is_rkey(rk):
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809 if rk is not None:
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--> 810 right_keys.append(right[rk]._values)
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811 else:
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812 # work-around for merge_asof(right_index=True)
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/frame.py in __getitem__(self, key)
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1962 return self._getitem_multilevel(key)
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1963 else:
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-> 1964 return self._getitem_column(key)
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1966 def _getitem_column(self, key):
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/frame.py in _getitem_column(self, key)
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1969 # get column
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1970 if self.columns.is_unique:
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-> 1971 return self._get_item_cache(key)
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1972
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1973 # duplicate columns & possible reduce dimensionality
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/generic.py in _get_item_cache(self, item)
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1643 res = cache.get(item)
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1644 if res is None:
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-> 1645 values = self._data.get(item)
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1646 res = self._box_item_values(item, values)
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1647 cache[item] = res
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/internals.py in get(self, item, fastpath)
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3589 if not isnull(item):
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-> 3590 loc = self.items.get_loc(item)
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3591 else:
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3592 indexer = np.arange(len(self.items))[isnull(self.items)]
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~/.pyenv/versions/anaconda3-5.0.0/lib/python3.6/site-packages/pandas/core/indexes/base.py in get_loc(self, key, method, tolerance)
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2442 return self._engine.get_loc(key)
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2443 except KeyError:
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-> 2444 return self._engine.get_loc(self._maybe_cast_indexer(key))
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2446 indexer = self.get_indexer([key], method=method, tolerance=tolerance)
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/index.pyx in pandas._libs.index.IndexEngine.get_loc()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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pandas/_libs/hashtable_class_helper.pxi in pandas._libs.hashtable.PyObjectHashTable.get_item()
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KeyError: 'jigyosho_id'
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------------------------------------------------------------------------------
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