Postgresql temp table relation already exists python. I suggest that you add.

Postgresql temp table relation already exists python The string passed to execute is run "as is" and select . DuplicateTable: relation "ideatree_colors" already exists Postgresql tables duplicated. This solution is somewhat similar to the answer by Erwin Brandstetter, but uses only the sql language. ta Oct 18, 2021 · You signed in with another tab or window. See docs here. 2. I'm doing all this in python using psycopg2. 7 and the db back end is PostgreSQL. You signed out in another tab or window. The state_operations argument allows you to supply operations that are equivalent to the SQL in terms of project state. A very common use case, for example, is to create a tempo Postgresql tables exists, but getting "relation does not exist" when querying 362 Cannot simply use PostgreSQL table name ("relation does not exist") Mar 21, 2002 · <pgsql-general(at)postgresql(dot)org> Deleting temp table & relation does not exists: Date: 2002-03-21 22:28:07: Message-ID: 20020321142702. Asking for help, clarification, or responding to other answers. Sep 27, 2005 · There were several identical errors, referencing both tables and indexes, but always objects in a temporary schema and always with a client app which creates and drops many temp tables and indexes. tables view contains all tables and views defined in the current database that the current user has access to. Jan 16, 2019 · I am trying to create a temporary table in my stored function in Postgresql. x) table is a temporary table? I looked at the pg_class system table, but couldn't find any column about whether the relation is temporary. ProgrammingError: relation already exists Dec 13, 2017 · COPY just loads properly formatted data to a table - no preprocessing. IF OBJECT_ID('tempdb. Creating a temporary table. abs(generateUUID(). Do remember: single and double quotes have different meanings in SQL as opposed to being mostly interchangeable in Python. execute('ALTER TABLE "Foo" ADD COLUMN bar text') However, I get the following error: relation "Foo" does not exist I also tried putting the schema "public" before it to no avail. Feb 18, 2025 · この場合、最初のCREATE TABLE my_tableは成功しますが、2番目のCREATE TABLE my_tableを実行しようとすると、「Relation already exists」エラーが発生します。 なぜなら、 my_table という名前のテーブルはすでに存在しているからです。 Jan 26, 2017 · Temporary tables are dropped when the session ends. At the mapper_init() I created a new connection and cursor for each mapper. Also, I'd suggest this syntax instead: CREATE TEMP TABLE IF NOT EXISTS temp_table AS SELECT id, value FROM test. exec_driver_sql Aug 20, 2007 · > Postgresql responds with: > > NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index "case_histories_pkey" for table "case_histories" > > ERROR: relation "case_histories_pkey" already exists > SQL state: 42P07 > > The table does not have this key. Firstly, I've assumed the temporary table will hang around as long as the connection is alive. Advantages of Temporary Tables. If you use double-quote delimiters when you CREATE TABLE, you must use delimiters when you reference it in queries. Dec 14, 2013 · I'm running a batch of postgres queries from a python script. Jan 10, 2012 · To modify an existing table, use ALTER TABLE (link), or to drop all data currently in the table and create an empty table with the desired schema, issue DROP TABLE before CREATE TABLE. Aug 20, 2019 · You are trying to create a table that already exists, which is not possible in Sqlite. py convert_to_south myapp python manage. Engine or sqlite3. Obviously, you'd have to drop that table before you run the function in the same session to avoid a conflict. 什么是 Relation already exists 错误？ 在 PostgreSQL 中，关系是指数据库中的一张表。当我们创建表 Aug 12, 2015 · I have a table called Foo, which I'm trying to add a column "bar" to. import psycopg2 import pandas. Assuming that the response is correct, where can I find and/or delete this relation? Jul 3, 2015 · ERROR Relation already exists in PostgreSQL when creating an index on a table 127 django. 14. Relations - Things that look and behave like tables, like views and tables. For example, your products table may exist in a schema called inventory instead of the default public: inventory. Better, though: use CREATE TEMP TABLE IF NOT EXISTS in your function (Postgres 9. if_exists='fail', # How to behave if the table already exists. Mar 28, 2022 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. You can use the following SQL commands: `SELECT * FROM pg_tables WHERE tablename = ‘mytable’;` `SELECT count(*) FROM pg_tables WHERE tablename = ‘mytable’;` `SELECT EXISTS (SELECT * FROM pg_tables WHERE tablename Nov 1, 2010 · So high level would be. There some one suggested to create temporary table by Execute. A temporary table only exists as long as its database session– this means that PostgreSQL automatically drops the temporary table at the end or a transaction or a session. ran python manage. 231321 92345 The temporary table will be gone at the end of the session, but once the function is created, you have passed this test for good. select the inserted values from the temporary table. length() - 15, tmpTableId. tmp Sep 22, 2014 · I wanted to start into using databases in python. tables WHERE table_schema='YourShema' AND table_name='TableName'; If the table did not exist before, this means she has been created after ! ;) An other solution is to not use the "IF NOT EXISTS" directive and catch the exception if table already exists. I suggest that you add. This post can help you in doing so. will list every tables you have in the schema you are in now. setAutoCommit(true); tableStmt = conn. If the table already exists - there is no need to create the indexes or constraints Nov 23, 2024 · You should expect to see a series of migrations created. insert some values on that table by using some quries. I assume all three columns are distinct in my example so for step3 change the NOT EXISTS join to only join on the unique columns in the hundred table. Another user (rmello(at)fslc(dot)usu(dot)edu) in a recent post give me some idea how to do this. Feb 6, 2014 · of tables (temporary or not) are not supposed to run concurrently. table1 -t public. You can use 'replace', 'append' to replace it. The language I am using is "plpgsql". – Dec 5, 2019 · In your table creation, you likely quoted the table: CREATE TABLE "AllResidential2019" ( ) Due to case sensitivity of at least one capital letter, this requires you to always quote the table when referencing the table. #TEMP_REJECT') IS NOT NULL DROP TABLE #TEMP_REJECT in front of your select statement. Sample Use Case for a PostgreSQL Temporary Table Sep 25, 2020 · I'm running multiple queries (in diffent sessions) which use the following code, some times in paralell, and I was getting errors saying the temp table already existed. To solve this, you can use the IF NOT EXISTS statement on your queries. It is created and used within a single database session and is automatically dropped at the end of the session. import sqlalchemy as sa # … with engine. Jun 15, 2020 · If you are using PostgreSQL 9. So, this is not an issue of PostgreSQL but design. g. Note that postgres table names are not case sensitive, so a table "Articles" and a table "articles" will clash. Provide details and share your research! But avoid …. py flush 3. . just keep it. Ex: printed sql that resulted in exception on console : CREATE TABLE IF NOT EXISTS Messages_2020_d_268_cid_45 PARTITION OF "public". Node-PostgresQL - 42P01 - "Table" Relation Does Feb 18, 2024 · Introduction to the PostgreSQL temporary tables. Other objects also reside in schemas, like functions, casts, indexes, sequences, operators, aggregates, etc. sql -t public. This guarantees that the temp table won't exist when the select is executed. – Jan 28, 2020 · But I want to make it temporary to avoid confusion and to avoid large amounts of data being left in the db if the code stops for some reason (exception/debugging etc. to_sql( name,# Name of SQL table. Nov 9, 2023 · PostgreSQL has created a temporary schema (in this case, "pg_temp_1") to hold your temporary tables. PostgreSQLのTEMPORARY TABLE(一時テーブル)は接続したセッションの間にしか生存できないテーブルです。 css - 嵌套table in table in table in table in table in div显示 block 不继承高度 为什么 wrapper #4 没有继承其父表容器的高度？ 表格嵌套在一个显示 block 包装器中，每个嵌套的div是显示表格，每个表格继承到最里面的一个。 This works great if the table already exists, Checking if a postgresql table exists under python (and probably Psycopg2) PostgreSQL check if table exist Jan 22, 2018 · Zen of Python: Explicit is better than implicit. I chose postgresql for the database "language". exc. I went through the whole python manage. I can't run migrate --fake, because program will think that I already have all the tables, which is not true. tables WHERE table_schema LIKE 'public' AND table_type LIKE 'BASE TABLE' AND table_name May 1, 2018 · This answer does not address the reusing of the same table names and hence not about cleaning up the SQLAlchemy metadata. Messages_2020_d_268 FOR VALUES in (45) Expectation: expectation is that query should just execute without throwing Sep 13, 2019 · Temporary tables exist in their own unique schema, so you can’t assign a schema name when you create this kind of table. You need to figure out the issue. Now I have a python script that takes JSON data and is loading it into this table. info('PostgreSQL Jan 5, 2022 · If it says the table does not exist then the fact is that table does not exist. You may want to The PostgreSQL TEMPORARY TABLE statement is used to create a temporary table that exists only for the duration of a session or transaction. substring(tmpTableId. You query looks like this, once it gets to PostgreSQL: SELECT COUNT(*) FROM Table WHERE user_name = Tom Which compares the user_name column against the non-existant Tom column. 5 or later you can perform the UPSERT using a temporary table and an INSERT ON CONFLICT statement:. duplicatetable error: Feb 4, 2016 · After a couple of days trying I used an initial connection and CREATE TABLE IF NOT EXISTS at the __main__. png. INSERT INTO temp_data(name, name_slug, status); psycopg2. 11 Jan 29, 2024 · To retrieve data from the temporary table, use SQLAlchemy’s query interface: with session. Dec 13, 2017 · COPY just loads properly formatted data to a table - no preprocessing. CREATE TABLE tweet ( tid CHARACTER VARYING NOT NULL, DATA json, CONSTRAINT tid_pkey PRIMARY KEY (tid) ); Then when I use . You need to alter your store function and to check whether the temporary table already exists and create it if it doesn't. PostgreSQL 获取连续的SQL警告：“relation < table> does not exist, skipping” 在本文中，我们将介绍如何在使用PostgreSQL数据库时获取连续的SQL警告：“relation < table> does not exist, skipping”。这个警告通常在查询语句中引用了不存在的表时出现。我们将详细解释这个警告的原 It seems like the biggest drawback with SQLAlchemy is that it takes several steps backwards when it comes to working with temporary tables. duplicatetable error? A: There are two ways to resolve the psycopg2. Connection schema=None, # Something can't understand yet. a) You could use the sessionID (provided The Glassfish server) to create unique names for the temporary table, if the temporary table is unique per session. createStatement(); try { // create global temporary tables Drop the table if it exists before the next run. In PostgreSQL, a temporary table is a table that exists only during a database session. another_table; Thus your function will be like this: Jan 14, 2003 · create te temp table if it not exists, or delete the contents if it exists. Mar 14, 2023 · I mean you can't use named temporary result set as src table in subquery inside where clause (postgres will not see this - it's a different context). This allows different sessions to use the same temporary table name for different purposes, whereas the standard's approach constrains all instances of a given temporary table name to have the same table structure. You can see both the temporary and permanent tables with the same name listed here. ) before it gets a chance to drop the table. This is only a test table - some of the real tables I'm working “Relation already exists”错误是 PostgreSQL 中常见的错误之一。 它表示我们尝试创建的关系已经在数据库中存在，无法再次创建。 在解决这个错误时，我们应该检查是否存在同名的关系，并确保给予新的关系一个唯一且合适的名称。 The appropriate syntax for creating a temp table is. Nov 4, 2024 · A PostgreSQL temporary table is a powerful tool for managing session-specific data that only needs to exist for a short duration. into pimg from is an old (non-standard) syntax that does the same as create table pimg as select . errors. py migrate myapp 0001 --fake process Nov 18, 2016 · In the presence of connection pooling, a database session may span multiple client sessions; to avoid clashes in CREATE, you should drop your temporary tables -- either prior to returning a connection to the pool (e. It could be that the sequence you are creating is the culprit. This matches the name of the table only if you had allowed the table name to be lowercased when you defined the table. There are two ways to solve the problem. So that, we created one function, inside that fucntion we created one more function to take care of creating temporary table. PostgreSQL Error: Relation already exists. Oct 8, 2024 · I have a table with primary uuid key, unique article and some other params. Dec 12, 2019 · I had the same problem and the problem came from database schemas. 0 - create test environment conn. Jul 10, 2003 · We are using postgresql7. transforms im Feb 5, 2019 · Indexes live in the same namespace as tables, views and sequences, so you cannot use the same name twice for any of these objects in one schema. This helps to avoid errors when attempting to create a table that is already present in the database. Please help. Nov 21, 2021 · The information_schema. con, # sqlalchemy. The script for that: import sys from awsglue. Not all PostgreSQL installations has the plpqsql language by default, this means you may have to call CREATE LANGUAGE plpgsql before creating the function, and afterwards have to remove the language again, to leave the database in the same state as it was before (but only if the database did May 11, 2013 · Expanding on the above use of EXISTS, I needed something to test table existence generally. Apr 11, 2017 · I can count the number of matching occurences in the table (and add the entry if the count is 0), but would prefer to use exists() as it will be more efficient to stop at the first matching entry rather than counting through the whole table (my entries are unique anyway). length()); conn. My model: class Product(Base): __tablename__ = "products" idf: Mapped[str] = mapped_column(primary_key= Sep 26, 2020 · "relation already exists" when i try to create a partition with parallel threads in functioning. In PostgreSQL, the CREATE TABLE IF NOT EXISTS statement is used to create a new table only if a table with the same name does not already exist. You may be in the wrong database, the schema the table exists in is not in your path, perhaps it actually is defined as "Users", etc. 3, we are encountering some problems by using temporary tables. This will create a temporary table that will have all of the columns (without indexes) and without the data, however depending on your needs, you may want to then delete the primary key: ALTER TABLE pg_temp_3. Accessing the Permanent Table Aug 20, 2007 · Postgresql responds with: NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index "case_histories_pkey" for table "case_histories" ERROR: relation "case_histories_pkey" already exists SQL state: 42P07. utils. Temporary tables provide numerous advantages, such as: Dec 15, 2016 · class API(Base): __table_args__ = ( UniqueConstraint('date', 'gender'), ) It is still recommended that you should check the existence before you inserting the new record into the database, since a violation of database constraint will normally be logged in the database log file. In this tutorial, we will explain the usage of CREATE Nov 19, 2017 · Relation "table" already exists. Mar 9, 2021 · table: bill_item_temp id product_name price create_date emp_id 1 drinks 10 2021-03-09 10:10:10. Using psycopg2 in python, my function call is. So, I am looking for a way to tell the program : run migration, if table exist skip it. If you omit the schema and just reference products, PostgreSQL will complain that the relation doesn‘t exist. removed test_db in postgres 2. Temporary table in PostgreSQL. For this I already read this answer: Checking if a postgresql table exists under python (and probably Psycopg2) and tried to use their solution: But they're not truly case insensitive because the way they've implemented that is to force lowercase. But when I do the CREATE TABLE A I am getting below error: Relation 'A' already exists. You may use the INSERT command to enter the name and then call the SELECT operation to output the table. Following Tom Lane's suggestion, a check of pg_depend never reveals the presence of the affected name, using a very simple query like 'SELECT Dec 27, 2023 · In PostgreSQL, relations can live in different namespaces called "schemas" – the default being the public schema. ProgrammingError: (psycopg2. The name of the project is crud. begin(): result = session. PostgreSQL - relation [table] does not 在本文中，我们将介绍 PostgreSQL 数据库中常见的一个错误：Relation already exists（关系已存在）。我们将解释这个错误的原因，以及如何解决它。 阅读更多：PostgreSQL 教程. Some queries are as follow: create table xxx [] Usually I get the following error: psycopg2. Since your session does not end with the function call, the second function call will try to create the table again. What am I doing wrong? Thanks. create temp table but you have to be sure to drop the temp table before existing out of the function. 1. ProgrammingError: relation "xxx" alre Apr 8, 2024 · 当我们在使用数据库，特别是像PostgreSQL这样的关系型数据库时，可能会遇到’relation “xxx” already exists’这样的错误。 这个错误意味着你试图创建的表、视图、索引或其他数据库对象已经存在于数据库中。 The problem of temp tables is that dropping and recreating temp table bloats pg_attribute heavily and therefore one sunny morning you will find db performance dead, and pg_attribute 200+ gb while your db would be like 10gb. Nov 2, 2014 · I recently added South to an existing Django project. CREATE TEMPORARY TABLE temp_data(name, name_slug, status); INSERT Data into temp table. Actually our requirement was, 1. The second record is the temporary table - I know this because it disappears when working in a different session - but other than the lack of an index or a primary key that's the only way I can identify it as being temporary. cursor() logger. Thus you can copy csv to temp table and then insert rows to you table skipping existing: CREATE TABLE temp_t AS SELECT * FROM table_name WHERE false ; COPY temp_t FROM STDIN WITH CSV HEADER DELIMITER AS ',' ; INSERT INTO table_name SELECT * FROM temp_t EXCEPT SELECT * FROM table_name ; One for the original table, and one for the temp table. I don't want to delete those tables, because I have data already inside. I already tried to find it in \dS+ listing all relations, and it is not there. cursor. Create temporary table. py: - Create model AddressPoint - Create model CrudPermission - Create model CrudUser - Create model LDAPGroup - Create model LogEntry - Add field ldap_groups to cruduser - Alter unique_together for crudpermission (1 constraint(s)) I am trying to create a table that was dropped previously. Eg, create or replace function Sep 24, 2014 · You can't use a variable inside the string literal for execute. df. products. 1+). So your statement becomes Q: How can I check if a table exists in Postgres? A: There are a few ways to check if a table exists in Postgres. This statement is essential for storing intermediate results or data that do not need to be permanently stored in the database. To avoid this, we had gone through some of postgresql faq and documents. db. Is there an efficient way to do so? What is not efficient: Dropping the table instead Jul 2, 2024 · I have a really simple aws glue visual etl which reads data from a file on an s3 bucket, and then copies it into an aws rds postgresql db. length() > 15) tmpTableId = tmpTableId. –. py test I have the same issue django. Ask Question Asked 7 years, 3 months ago. To create a temporary table, you use the CREATE TEMPORARY TABLE I have a function that creates a temporary table to store and process data. I already created several databases, but now I want simply to check if the database exists with python. imgur. io. Make sure that columns and types from the table in the database are the same as the dataframe. Jul 10, 2003 · Error: relation 'temp_table' already exists. by doing everything inside a transaction and using the ON COMMIT DROP creation syntax), or on an as-needed basis (by preceding Apr 21, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. exec_driver_sql( "CREATE TABLE main_table (id int primary key, txt varchar(50))" ) conn. hashCode()); if (tmpTableId. create temporary table. I am trying a table from scratch but I keep getting the error "relation [table name] Already exists " when I run the code. 231321 67345 2 snacks 10 2021-03-09 08:10:10. Edit: Feb 20, 2025 · PostgreSQL instead requires each session to issue its own CREATE TEMPORARY TABLE command for each temporary table to be used. I was under the impression the temp tables would just be using some sort of random name in the background processing so these don't interfiere with each other: May 4, 2021 · You could do RunSQL and add state_operation as documented. PostgreSQL – Create Table If Not Exists. DB connection is successful as DB version is printed. WITH temp as ( select) and (select ) temp - they are both "temporary result set" but with different context. Sep 2, 2012 · Objects - Somewhat PostgreSQL specific, anything (including a relation) that exists in a schema. begin() as conn: # step 0. Mar 24, 2018 · CREATE TEMP TABLE tmp_table AS SELECT * FROM original_table LIMIT 0; Note, the temp table will be put into a schema like pg_temp_3. Now I always create new temporary tables with a unique name like this: tmpTableId = "TMP" + Math. Instead of reusing the table names, add the execution time like this to the end of the tableName Apr 24, 2015 · I'm trying to set up the tables for a new django project (that is, the tables do NOT already exist in the database); the django version is 1. Problem is I want to run this function on the order of 1M times within a single transaction, without having: NOTICE: relation "foo" already exists, skipping output ~1M times. The table does not have this key. K68057-100000 Apr 5, 2018 · I have made a backup of my specific tables that I want to restore into a new database using: call pg_dump -Fc -h server -d database -U user -p password -v -f dump. (--fake it) How can I write a query to check if a PostgreSQL (10. query(temp_user_table). com/Xi71X4z. Temporary tables are created within a database session or transaction and are automatically dropped when the session ends, making them ideal for intermediate data storage. Dec 12, 2017 · dump=> select * from Approvals; ERROR: relation "approvals" does not exist LINE 1: select * from Approvals; What can be the reason for this error? Please help. Expanding on the above use of EXISTS, I needed something to test table existence generally. Feb 2, 2024 · In addition to creating the table, you can check to see its working. py syncdb python manage. DuplicateTable) relation "#test" already exists [SQL: CREATE TABLE #test AS SELECT * FROM table_2] The temporary table is visible between sqlAlchemy sessions. We can use it to check if a given table exists and that we have access to it: SELECT EXISTS ( SELECT FROM information_schema. Does anyone know what to do to get temp tables to last the duration of a session? Works just fine: https://i. sql as psql cursor = connection. 在本文中，我们将介绍在使用PostgreSQL数据库时经常遇到的错误之一：“relation 不存在”。我们将解释这个错误的原因，提供一些可能导致这个错误的常见情况，并给出解决这个问题的一些示例。 阅读更多：PostgreSQL 教程 Oct 19, 2012 · You're not quoting your strings. Thus you can copy csv to temp table and then insert rows to you table skipping existing: CREATE TABLE temp_t AS SELECT * FROM table_name WHERE false ; COPY temp_t FROM STDIN WITH CSV HEADER DELIMITER AS ',' ; INSERT INTO table_name SELECT * FROM temp_t EXCEPT SELECT * FROM table_name ; PostgreSQL 我一直遇到“relation 不存在”的错误. engine. Sep 3, 2021 · But in this case, after the first execution, I receive a "ERROR: relation "temp_test_json" already exists". Dec 20, 2017 · I have a problem figuring out how I can create a table using psycopg2, with IF NOT EXISTS statement, and getting the NOT EXISTS result. Dec 5, 2017 · PostgreSQLのTEMPORARY TABLE(一時テーブル)について主に速度面について探っていきます。 ここで書かれていることはPostgreSQL 10を対象としています。 はじめに. py test I get the error: psycopg2. You switched accounts on another tab or window. Reload to refresh your session. So your code block would be: customers_sql = """ CREATE TABLE IF NOT EXISTS customers ( id integer PRIMARY KEY, first_name text NOT NULL, last_name text NOT NULL)""" Apr 25, 2017 · SQL Server won't tell you that a table doesn't exist if it doesn't. SELECT * FROM tweet; in the psql window it works and shows an empty table. Here’s a summary of what your output might resemble: Migrations for 'crud': 0001_initial. Mar 24, 2004 · 2004-03-24 11:43:18 ERROR: Relation 'tmp_table1' already exists 2004-03-24 11:43:18 ERROR: Relation "tmp_table1" does not exist I figure out that this is connected with query I use in one of the 在使用 PostgreSQL 数据库时，当我们插入初始数据时，有时会遇到一个错误信息：”relation ‘some_table_name’ already exists”（其中 ‘some_table_name’ 是具体的表名）。这个错误的出现可能是由于如下原因： Nov 23, 2021 · SELECT COUNT(*) = 1 as exists FROM pg_tables WHERE tablename = 'my_table'; Is there any way to check if a table/database in mysql (python connector) exists already? Mar 11, 2022 · python manage. ProgrammingError: relation "app_appfile" already exists – Aug 19, 2021 · sqlalchemy. 3. all() for row in result: print(row) This prints all rows present in the `temporary_users` table. DuplicateTable: relation “table_name” already exists Q: How can I resolve the psycopg2. 3. The issue is that I'm creating a table, and running some CREATE INDEX / UNIQUE CONSTRAINT after it was created. exec_driver_sql("DROP TABLE IF EXISTS main_table") conn. I verified doing SELECT * FROM A, but then I got another error: Relation 'A' does not exists. I found that testing for results using fetch on a select statement yielded the result "None" on an empty existing table -- not ideal. begin drop table if exists test; create temp table test(up_link double precision, time_stamp timestamp without time zone) on commit drop; a := endIndex - startIndex; Or, as @dezso suggests, you could create the table only if it doesn't exist. Assuming that the response is correct, where can I find and/or delete this relation? Oct 26, 2017 · (Which is ok and correct, because they do). It appears that my temp tables are being dropped after the transaction is completed. May 26, 2022 · I am unable to query using psycopg2. Sep 10, 2023 · I have just run: 1. Either choose a different name, or have PostgreSQL choose one for you: Jan 28, 2020 · SELECT 1 FROM information_schema. When I run the query that references test123, I get "ERROR: relation "test123" does not exist". aflbn yxth geec jnjsl nkia lblp icvr nwfmm aoiqy zrpa iuvu ceqb got pvz vniitb