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                @@ -115,17 +115,19 @@ DATABASES = {
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                         'CONN_MAX_AGE': 600, 
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                         'OPTIONS': {
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                             # Utf8mb4 for Emoji 
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                -            # UserInfo ==> nickname 
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                +            # account.WechatInfo ==> nickname 
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                +            #   ALTER TABLE account_wechatinfo MODIFY COLUMN nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; 
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                +            # account.UserInfo ==> nickname 
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                             #   ALTER TABLE account_userinfo MODIFY COLUMN nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; 
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                -            # GroupUserInfo ==> nickname 
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                +            # group.GroupUserInfo ==> nickname 
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                             #   ALTER TABLE group_groupuserinfo MODIFY COLUMN nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL; 
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                -            # GroupPhotoInfo ==> nickname 
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                +            # group.GroupPhotoInfo ==> nickname 
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                             #   ALTER TABLE group_groupphotoinfo MODIFY COLUMN nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL; 
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                -            # PhotoCommentInfo ==> nickname 
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                +            # group.PhotoCommentInfo ==> nickname 
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                             #   ALTER TABLE group_photocommentinfo MODIFY COLUMN nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL; 
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                -            # PhotoThumbUpInfo ==> nickname 
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                +            # group.PhotoThumbUpInfo ==> nickname 
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                             #   ALTER TABLE group_photothumbupinfo MODIFY COLUMN nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL; 
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                -            # UserMessageInfo ==> nickname 
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                +            # group.UserMessageInfo ==> nickname 
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                             #   ALTER TABLE message_usermessageinfo MODIFY COLUMN from_nickname VARCHAR(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci DEFAULT NULL; 
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                             'charset': 'utf8mb4', 
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                         }, 
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