Python db.delete_index函数代码示例

    def backwards(self, orm):

        # Removing index on 'EntityGroupName', fields ['language_code']
        db.delete_index("places_entitygroupname", ["language_code"])

        # Removing index on 'EntityTypeName', fields ['language_code']
        db.delete_index("places_entitytypename", ["language_code"])

    def backwards(self, orm):
        # Removing index on 'ImageCropApplication', fields ['content_type', 'object_id', 'field_name']
        db.delete_index(u'mediacat_imagecropapplication', ['content_type_id', 'object_id', 'field_name'])

        # Removing unique constraint on 'ImageCropApplication', fields ['content_type', 'object_id', 'field_name']
        db.delete_unique(u'mediacat_imagecropapplication', ['content_type_id', 'object_id', 'field_name'])

        # Removing index on 'ImageAssociation', fields ['image', 'content_type', 'object_id']
        db.delete_index(u'mediacat_imageassociation', ['image_id', 'content_type_id', 'object_id'])

        # Removing unique constraint on 'ImageAssociation', fields ['image', 'content_type', 'object_id']
        db.delete_unique(u'mediacat_imageassociation', ['image_id', 'content_type_id', 'object_id'])

        # Deleting model 'Image'
        db.delete_table(u'mediacat_image')

        # Deleting model 'ImageMetadata'
        db.delete_table(u'mediacat_imagemetadata')

        # Deleting model 'ImageAssociation'
        db.delete_table(u'mediacat_imageassociation')

        # Deleting model 'ImageCrop'
        db.delete_table(u'mediacat_imagecrop')

        # Deleting model 'ImageCropApplication'
        db.delete_table(u'mediacat_imagecropapplication')

    def backwards(self, orm):
        # Removing index on 'CampusApplication', fields ['access_token']
        db.delete_index(u'permissions_campusapplication', ['access_token'])


        # Changing field 'CampusApplication.access_token'
        db.alter_column(u'permissions_campusapplication', 'access_token', self.gf('django.db.models.fields.CharField')(max_length=36))

    def backwards(self, orm):
        
        # Removing index on 'Page', fields ['titre_url']
        db.delete_index('story_page', ['titre_url'])

        # Changing field 'Page.titre_url'
        db.alter_column('story_page', 'titre_url', self.gf('django.db.models.fields.CharField')(max_length=32))

    def backwards(self, orm):
        
        # Adding field 'SellerRateChart.ext_category_id'
        db.add_column('catalog_sellerratechart', 'ext_category_id', self.gf('django.db.models.fields.IntegerField')(null=True, blank=True), keep_default=False)

        # Adding field 'SellerRateChart.ext_category_name'
        db.add_column('catalog_sellerratechart', 'ext_category_name', self.gf('django.db.models.fields.CharField')(default='', max_length=25, blank=True), keep_default=False)

        # Adding field 'SellerRateChart.unit_list_price'
        db.add_column('catalog_sellerratechart', 'unit_list_price', self.gf('django.db.models.fields.DecimalField')(null=True, max_digits=10, decimal_places=2), keep_default=False)

        # Adding field 'SellerRateChart.unit_offer_price'
        db.add_column('catalog_sellerratechart', 'unit_offer_price', self.gf('django.db.models.fields.DecimalField')(null=True, max_digits=10, decimal_places=2), keep_default=False)

        # Adding field 'SellerRateChart.old_id'
        db.add_column('catalog_sellerratechart', 'old_id', self.gf('django.db.models.fields.CharField')(default='', max_length=40, blank=True), keep_default=False)

        # Adding field 'SellerRateChart.unit_transfer_price'
        db.add_column('catalog_sellerratechart', 'unit_transfer_price', self.gf('django.db.models.fields.DecimalField')(null=True, max_digits=10, decimal_places=2), keep_default=False)

        # Deleting field 'SellerRateChart.list_price'
        db.delete_column('catalog_sellerratechart', 'list_price')

        # Deleting field 'SellerRateChart.transfer_price'
        db.delete_column('catalog_sellerratechart', 'transfer_price')

        # Deleting field 'SellerRateChart.offer_price'
        db.delete_column('catalog_sellerratechart', 'offer_price')

        # Deleting field 'SellerRateChart.status'
        db.delete_column('catalog_sellerratechart', 'status')

        # Removing index on 'SellerRateChart', fields ['sku']
        db.delete_index('catalog_sellerratechart', ['sku'])

    def backwards(self, orm):
        # Removing index on 'Admin1Code', fields ['code']
        db.delete_index('geonames_admin1code', ['code'])


        # Changing field 'Admin1Code.code'
        db.alter_column('geonames_admin1code', 'code', self.gf('django.db.models.fields.CharField')(max_length=6))

    def backwards(self, orm):
        
        # Removing index on 'ScriptAttribute', fields ['db_key']
        db.delete_index('scripts_scriptattribute', ['db_key'])

        # Removing index on 'ScriptDB', fields ['db_key']
        db.delete_index('scripts_scriptdb', ['db_key'])

    def backwards(self, orm):
        # Removing index on 'Sponsor', fields ['organization']
        db.delete_index(u'sponsor_sponsor', ['organization_id'])

        # Deleting model 'Organization'
        db.delete_table(u'sponsor_organization')

        # Adding field 'Sponsor.name_user'
        db.add_column(u'sponsor_sponsor', 'name_user',
                      self.gf('django.db.models.fields.CharField')(default=1, max_length=50),
                      keep_default=False)

        # Adding field 'Sponsor.join_date'
        db.add_column(u'sponsor_sponsor', 'join_date',
                      self.gf('django.db.models.fields.DateTimeField')(auto_now_add=True, default=1, blank=True),
                      keep_default=False)

        # Adding field 'Sponsor.password'
        db.add_column(u'sponsor_sponsor', 'password',
                      self.gf('django.db.models.fields.CharField')(default=1, max_length=50),
                      keep_default=False)

        # Adding field 'Sponsor.email'
        db.add_column(u'sponsor_sponsor', 'email',
                      self.gf('django.db.models.fields.EmailField')(default=1, max_length=75, unique=True),
                      keep_default=False)

        # Deleting field 'Sponsor.user'
        db.delete_column(u'sponsor_sponsor', 'user_id')


        # Renaming column for 'Sponsor.organization' to match new field type.
        db.rename_column(u'sponsor_sponsor', 'organization_id', 'organization')
        # Changing field 'Sponsor.organization'
        db.alter_column(u'sponsor_sponsor', 'organization', self.gf('django.db.models.fields.CharField')(max_length=50))

    def backwards(self, orm):
        # Removing index on 'ThreadedComment', fields ['object_pk']
        db.delete_index('threadedcomments_comment', ['object_pk'])


        # Changing field 'ThreadedComment.object_pk'
        db.alter_column('threadedcomments_comment', 'object_pk', self.gf('django.db.models.fields.TextField')())

    def backwards(orm):
        if django.VERSION[0] == 1 and django.VERSION[1] > 4:
            # Removing index on 'Email', fields ['content_type', 'object_id']
            db.delete_index(u'sendgrid_email', ['content_type_id', 'object_id'])

        # Deleting model 'Email'
        db.delete_table(u'sendgrid_email')

    def backwards(self, orm):
        # Removing index on 'Invoice', fields ['state']
        db.delete_index('invoice_invoice', ['state'])

        # Deleting field 'Row.identifier'
        db.delete_column('invoice_row', 'identifier')

        # Deleting field 'Row.title'
        db.delete_column('invoice_row', 'title')

        # Deleting field 'Row.price'
        db.delete_column('invoice_row', 'price')

        # Deleting field 'Row.currency'
        db.delete_column('invoice_row', 'currency_id')


        # Changing field 'Row.deal'
        db.alter_column('invoice_row', 'deal_id', self.gf('django.db.models.fields.related.ForeignKey')(default=1, to=orm['deals.Deal']))
        # Deleting field 'Invoice.title'
        db.delete_column('invoice_invoice', 'title')


        # Changing field 'Invoice.our_reference'
        db.alter_column('invoice_invoice', 'our_reference_id', self.gf('django.db.models.fields.related.ForeignKey')(null=True, to=orm['accounts.UserProfile']))

        # Changing field 'Invoice.your_reference'
        db.alter_column('invoice_invoice', 'your_reference_id', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['accounts.UserProfile']))

    def backwards(self, orm):
        # Removing index on 'Institution', fields ['institution_id', 'year']
        db.delete_index(u'respondents_institution', ['institution_id', 'year'])

        # Removing unique constraint on 'Institution', fields ['institution_id', 'year']
        db.delete_unique(u'respondents_institution', ['institution_id', 'year'])

        # Removing unique constraint on 'ZipcodeCityState', fields ['zip_code', 'city']
        db.delete_unique(u'respondents_zipcodecitystate', ['zip_code', 'city'])

        # Deleting model 'ZipcodeCityState'
        db.delete_table(u'respondents_zipcodecitystate')

        # Deleting model 'Agency'
        db.delete_table(u'respondents_agency')

        # Deleting model 'ParentInstitution'
        db.delete_table(u'respondents_parentinstitution')

        # Deleting model 'Institution'
        db.delete_table(u'respondents_institution')

        # Deleting model 'LenderHierarchy'
        db.delete_table(u'respondents_lenderhierarchy')

        # Deleting model 'Branch'
        db.delete_table(u'respondents_branch')

    def backwards(self, orm):
        # Removing index on 'Restaurant', fields ['location']
        db.delete_index(u'api_restaurant', ['location_id'])

        # Adding model 'Restaurant_Holiday'
        db.create_table(u'api_restaurant_holiday', (
            ('closed_date', self.gf('django.db.models.fields.DateTimeField')()),
            (u'id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
            ('restaurant', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['api.Restaurant'])),
        ))
        db.send_create_signal(u'api', ['Restaurant_Holiday'])

        # Deleting model 'RestaurantOpenHours'
        db.delete_table(u'api_restaurantopenhours')

        # Deleting model 'RestaurantHoliday'
        db.delete_table(u'api_restaurantholiday')

        # Deleting model 'Location'
        db.delete_table(u'api_location')

        # Adding field 'Restaurant.closed_every_other_weekend_initial_weekend'
        db.add_column(u'api_restaurant', 'closed_every_other_weekend_initial_weekend',
                      self.gf('django.db.models.fields.DateTimeField')(null=True, blank=True),
                      keep_default=False)

        # Deleting field 'Restaurant.closed_every_other_weekend_initial_weekend_sat'
        db.delete_column(u'api_restaurant', 'closed_every_other_weekend_initial_weekend_sat')


        # Renaming column for 'Restaurant.location' to match new field type.
        db.rename_column(u'api_restaurant', 'location_id', 'location')
        # Changing field 'Restaurant.location'
        db.alter_column(u'api_restaurant', 'location', self.gf('django.db.models.fields.IntegerField')())

    def backwards(self, orm):
        # Removing index on 'ProductTranslation', fields ['slug']
        db.delete_index(u'products_product_translation', ['slug'])


        # Changing field 'ProductTranslation.slug'
        db.alter_column(u'products_product_translation', 'slug', self.gf('django.db.models.fields.CharField')(max_length=128))

    def backwards(self, orm):
        
        # Removing index on 'Spell', fields ['altname']
        db.delete_index('spell', ['altname'])

        # Changing field 'Spell.altname'
        db.alter_column('spell', 'altname', self.gf('django.db.models.fields.CharField')(max_length=64))