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from sqlalchemy import create_engine |
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from sqlalchemy import Table, Column |
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from sqlalchemy import Boolean, Integer, String, Text, DateTime |
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from sqlalchemy import MetaData, ForeignKey |
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from .config import Config |
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metadata = MetaData() |
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requests = Table('requests', metadata, |
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Column('request_id', Integer, primary_key=True), |
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Column('ppp_request_id', String), |
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Column('request_question', Text), |
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Column('request_datetime', DateTime), |
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) |
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responses = Table('responses', metadata, |
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Column('response_id', Integer, primary_key=True), |
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Column('request_id', None, ForeignKey('requests.request_id')), |
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Column('parent_response_id', None, ForeignKey('responses.response_id'), nullable=True), |
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Column('response_is_final_result', Boolean), |
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Column('response_module', String), |
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Column('response_tree', Text), |
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Column('response_language', String), |
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Column('response_measures', Text), |
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) |
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feedback = Table('feedback', metadata, |
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Column('feedback_id', Integer, primary_key=True), |
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Column('request_id', None, ForeignKey('requests.request_id')), |
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Column('response_is_good', Boolean), |
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Column('response_correction', Text), |
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) |
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def get_engine(uri): |
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"""Asks SQLAlchemy to create an engine to connect to the URI and return it.""" |
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engine = create_engine(uri, echo=Config().debug) |
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metadata.create_all(engine) |
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return engine |
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