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Refs #23947 -- Improved migrations tests table cleanup.
Copied technique from schema tests.
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@ -8,12 +8,12 @@ except ImportError:
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sqlparse = None
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from django import test
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from django.db import connection, migrations, models
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from django.db import connection, migrations, models, transaction
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from django.db.migrations.migration import Migration
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from django.db.migrations.state import ProjectState
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from django.db.models.fields import NOT_PROVIDED
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from django.db.transaction import atomic
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from django.db.utils import IntegrityError, DatabaseError
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from django.db.utils import IntegrityError
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from django.test import override_settings
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from django.utils import six
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@ -55,30 +55,25 @@ class OperationTestBase(MigrationTestBase):
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Creates a test model state and database table.
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"""
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# Delete the tables if they already exist
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with connection.cursor() as cursor:
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table_names = [
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# Start with ManyToMany tables
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try:
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cursor.execute("DROP TABLE %s_pony_stables" % app_label)
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except DatabaseError:
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pass
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try:
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cursor.execute("DROP TABLE %s_pony_vans" % app_label)
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except DatabaseError:
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pass
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'_pony_stables', '_pony_vans',
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# Then standard model tables
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try:
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cursor.execute("DROP TABLE %s_pony" % app_label)
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except DatabaseError:
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pass
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try:
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cursor.execute("DROP TABLE %s_stable" % app_label)
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except DatabaseError:
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pass
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try:
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cursor.execute("DROP TABLE %s_van" % app_label)
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except DatabaseError:
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pass
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'_pony', '_stable', '_van',
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]
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tables = [(app_label + table_name) for table_name in table_names]
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with connection.cursor() as cursor:
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table_names = connection.introspection.table_names(cursor)
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connection.disable_constraint_checking()
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sql_delete_table = connection.schema_editor().sql_delete_table
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with transaction.atomic():
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for table in tables:
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if table in table_names:
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cursor.execute(sql_delete_table % {
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"table": connection.ops.quote_name(table),
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})
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connection.enable_constraint_checking()
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# Make the "current" state
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model_options = {
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"swappable": "TEST_SWAP_MODEL",
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