30 lines
979 B
Python
30 lines
979 B
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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def paged(query, size=1000):
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"""Page query results
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:param query: the SQLAlchemy query to execute
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:param size: the max page size
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return: generator with query data
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"""
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offset = 0
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while True:
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page = query.offset(offset).limit(size).execute()
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if page.rowcount <= 0:
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# There are no more rows
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break
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for row in page:
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yield row
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offset += size
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