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sqlalchemy.exc.InternalError:(pymysql.err.InternalError) (1170, u"BLOB/TEXT column ' ' used in key specification without a key length") #36

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osman-siddiqui opened this issue Jun 8, 2018 · 0 comments
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sqlalchemy.exc.InternalError:(pymysql.err.InternalError) (1170, u"BLOB/TEXT column ' ' used in key specification without a key length") #36

osman-siddiqui opened this issue Jun 8, 2018 · 0 comments

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@osman-siddiqui
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osman-siddiqui commented Jun 8, 2018 •
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Hi
I'm trying to pull data from aact , but i am getting an error


from etlalchemy import ETLAlchemySource, ETLAlchemyTarget

pg_source = ETLAlchemySource("postgresql://user:[email protected]/aact")
mysql_target = ETLAlchemyTarget("mysql+pymysql://user:pass@server-ip/AACT_2018_06_09")
mysql_target.addSource(pg_source)
mysql_target.migrate()

it creates all the tables , but there is an error and it doesn’t insert any data.

sqlalchemy.exc.InternalError: (pymysql.err.InternalError) (1170, u"BLOB/TEXT column 'nct_id' used in key specification without a key length") [SQL: u'CREATE INDEX `IDX_calculated_values__nct_id__1` ON calculated_values (nct_id)']

help will be greatly appreciated.

Thanks
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