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69890f36b1
Depending on PostgreSQL’s query plan, it was possible for the value condition to be evaluated before the field_type condition was checked, leading to errors like psycopg2.errors.InvalidDatetimeFormat: invalid value "stri" for "YYYY" DETAIL: Value must be an integer. Signed-off-by: Anders Kaseorg <anders@zulip.com>
31 lines
926 B
Python
31 lines
926 B
Python
from django.db import migrations
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class Migration(migrations.Migration):
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"""
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We previously accepted invalid ISO 8601 dates like 1909-3-5 for
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date values of custom profile fields. Correct them by adding the
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missing leading zeros: 1909-03-05.
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"""
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dependencies = [
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("zerver", "0305_realm_deactivated_redirect"),
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]
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operations = [
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migrations.RunSQL(
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sql="""\
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UPDATE zerver_customprofilefieldvalue
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SET value = to_char(to_date(value, 'YYYY-MM-DD'), 'YYYY-MM-DD')
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FROM zerver_customprofilefield AS f
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WHERE f.id = field_id
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AND f.field_type = 4
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AND CASE
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WHEN f.field_type = 4
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THEN value <> to_char(to_date(value, 'YYYY-MM-DD'), 'YYYY-MM-DD')
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END;
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""",
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reverse_sql="",
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),
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]
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