I have the flowing two field definitions:
Field('code_1', default='', label=T("Code 1"),
requires=[IS_EMPTY_OR(IS_NOT_IN_DB(db,
'product.code_1',error_message=T('Code 1 already in
use'),ignore_common_filters=False)),IS_LENGTH(maxsize=15)]),
Field('code_2', default='',label=T("Code 2")),
However when both are empty on a form , code_1 is saved as null but code_2
saved as ' ' in the database (PostgreSQL)
So
db(db.product.code_1==' ')
gives different results then
db(db.product.code_2==' ')
How do I get an empty string ' ' also for code_1 in db ?
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