对于与规划器相关的参数,更改将在下次表锁定时生效, 因此当前执行的查询不会受到影响。. Jul 8, 2024 · ERROR: 55000: cannot update table "<table_name>" because it does not have a replica identity and publishes updates HINT: To enable updating the table, set REPLICA IDENTITY using ALTER TABLE. Byte1('O') Identifies the following TupleData message as an old tuple. The portion of docs you quote refer to the above. Subscribe to channel. DEFAULT - 更新和删除将包含primary key列的现前值. The reason is this quote from the Postgres docs (emphasis mine): If the table does not have any suitable key, then it can be set to replica identity “full Sep 2, 2023 · ALTER TABLE table_name REPLICA IDENTITY USING INDEX index_name; Adding such statements in full. When RLS is enabled and replica identity is set to full on a table, the old record contains only the primary key(s). attnum) This is an array of indnatts values that indicate which table columns this index indexes. The node where a publication is defined is referred to as publisher. 与 DELETE. cdc_order REPLICA IDENTITY FULL; Before creating the PostgreSQL CDC source table, check whether the current PostgreSQL contains the default Jan 18, 2020 · REPLICA IDENTITY is a PostgreSQL specific table-level setting which determines the amount of information that is available to logical decoding in case of UPDATE and DELETE events. This setting enables Materialize to ingest PostgreSQL data with minimal in-memory state. May 6, 2019 · REPLICA IDENTITY FULL works with standard data types in the fields. ALTER TABLE T4 DROP REPLICA AT ALL LOCATIONS; ALTER TABLE T4 ADD All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITION can be combined into a list of multiple alterations to be applied together. ; If you want to receive the "previous" data for updates and deletes, you will need to set REPLICA IDENTITY to FULL, like this: ALTER TABLE your_table REPLICA IDENTITY FULL; Adding a constraint using an existing index can be helpful in situations where a new constraint needs to be added without blocking table updates for a long time. Create a new column with identity & drop the existing column. "default", test2 bigint ) WITH ( OIDS = FALSE ) TABLESPACE pg_default; ALTER TABLE public. x REPLICA IDENTITY USING INDEX x_id_created_idx; To add a (multicolumn) unique constraint to a table: ALTER TABLE distributors ADD CONSTRAINT dist_id_zipcode_key UNIQUE (dist_id, zipcode); To add an automatically named primary key constraint to a table, noting that a table can only ever have one primary key: ALTER TABLE distributors ADD PRIMARY KEY (dist_id); This form sets the storage mode for a column. Jan 17, 2022 · July 2023: This post was reviewed for accuracy. CREATE TABLE dbo. PgSQL. PostgreSQL 10 came with the welcome addition of the logical replication feature. at line 833. This controls whether this column is held inline or in a secondary TOAST table, and whether the data should be compressed or not. You have 2 options, Create a new table with identity & drop the existing table. By default, replica identity will use the table's primary keys as the identifiers. sql. The purpose of Replica identity is spelled out here Logical replication: A published table must have a replica identity configured in order to be able to replicate UPDATE and DELETE operations, so that appropriate rows to update or delete can be identified on the subscriber side. ALTER TABLE operations permitted for generated columns are ADD , MODIFY, and CHANGE . flink-sql-connector-xx 是胖包,除了connector的代码外,还把 connector 依赖的所有三方包 shade 后打入,提供给 SQL 作业使用,用户只需要在 lib目录下添加该胖包即可。. 3. When using Debezium's PostgreSQL connector, the connector requires a unique primary Jan 5, 2018 · Anyway know there is workaround or solution to get Replica Identity Full working in postgresql-bdr? To reproduce: test1=# create table test (i int primary key, t text); CREATE TABLE test1=# alter table test replica identity full; ALTER TABLE test1=# insert into test values (1, 'hello'); INSERT 0 1 Jun 19, 2017 · execute ALTER TABLE REPLICA IDENTITY FULL, replication for UPDATE/DELETE works. pg_hba. CREATE PUBLICATION panoply_publication FOR TABLE table1, table2 WITH (publish = 'insert, update'); or CREATE PUBLICATION panoply_publication FOR ALL TABLES WITH (publish = 'insert, update'); Set the desired tables to have the replica identity set to FULL: ALTER TABLE table1 REPLICA IDENTITY FULL; Create a Panoply dedicated replication slot. A replica identity determines what information is published when an UPDATE or DELETE occurs on a row. If you take more care with your migration ALTER TABLE t ADD COLUMN cnew2 INT AFTER c2; Replication fails after execution on the replica of the ALTER TABLE statement just shown, because the new column cnew2 comes between columns common to both versions of t. messages replica identity full; RLS policies are not applied to DELETE statements, because there is no way for Postgres to verify that a user has access to a deleted record. Postgres tables require a replica identity to be configured in order to capture the changes made to the table. This field is present if the table in which the delete has happened uses an index as REPLICA IDENTITY. Important When you use logical replication, make sure that all the replica identities of the tables that are to be synchronized and have no primary keys While REPLICA IDENTITY USING INDEX is fine, we recommend against adding REPLICA IDENTITY FULL to a table. A replica identity will be used to uniquely identify a record in the event of updates or deletions especially. You can turn it on by managing replication. sql alter table t_normal replica identity nothing; 如果没有任何复制标识,可以将复制标识设置为FULL,也就是把整个行当作复制标识。 但是,使用FULL模式的复制标识效率很低,所以这种配置只能是保底方案,或者用于很小的表。 Saved searches Use saved searches to filter your results more quickly alter table < table2 > replica identity full; REPLICA IDENTITY FULL ensures that the replication stream includes the previous data of changed rows, in the case of UPDATE and DELETE operations. 4, REPLICA IDENTITY is a new table-level parameter that can be used to control the information written to WAL to identify tuple data that is being deleted or updated (an update being a succession of 1. I attempted to remove the table created by "repack" from the publication, but it cannot be dropped due to the fact that the publication is configured to include all tables. Run the following command to change the replica identity of an existing table to FULL: ALTER TABLE <table_name> REPLICA IDENTITY FULL; Specify the polar_create_table_with_full_replica_identityparameter as onto set the default All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITION can be combined into a list of multiple alterations to be applied together. For this section, we are using this as the example. 可以用 VACUUM FULL 、 CLUSTER 或者 ALTER TABLE 的一种形式来强制一次表重写。. Oct 19, 2023 · Such columns can be set as a replica identity. 操作的复制。. Create a sample table: 2. ALTER TABLE [Person] ADD IdentityCol INT UNIQUE IDENTITY(1,1) NOT NULL When the column is added, SQL automatically fills the value based on the default order, which is determined by the Index IX_CreatedTemp. We should fix this, a preliminary work is here Sample steps: CREATE TABLE test (a int PRIMARY KEY); ALTER TABLE test REPLICA IDE {"payload":{"allShortcutsEnabled":false,"fileTree":{"src/test/regress/sql":{"items":[{"name":"advisory_lock. ALTER TABLE table_name REPLICA IDENTITY FULL; but, when a json field appears, you will see a message like: ERROR: could not identify an equality operator for type json background worker logical replication worker exited with exit code 1 Dec 11, 2018 · It is a dummy table with no importance (and maybe you should drop it from production as well) is a table local to the production environment, which means that it makes perfect sense that the same table in the testing (subscriber) environment has its own data; All tables taking part in the logical replication must have a REPLICA IDENTITY. It does more work overall, but with lower lock levels. The behaviour of these four replica identity options are detailed in the PostgreSQL documentation: This form changes the information which is written 30. conf: wal_level = logical. Find replica identify for multiple tables. A publication is a set of changes generated from a table or a group of tables, and might also be described as a change set or replication set. FULL - 更新和删除将包含所有列的先前值. Re: [BUG]Missing REPLICA IDENTITY check when DROP NOT NULL at 2021-11-25 05:14:53 from Dilip Kumar Sep 18, 2023 · ALTER TABLE dba. All the forms of ALTER TABLE that act on a single table, except RENAME, and SET SCHEMA can be combined into a list of multiple alterations to applied together. Feb 4, 2022 · postgresql. WHEN 'f' THEN 'full'. 2018-11-18 19:09:31 UTC 22142 5bf1b8df. The table definition, datatypes, indexes, and pkeys are the same at publisher and subscriptor All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITION can be combined into a list of multiple alterations to be applied together. Feb 7, 2024 · ERROR: cannot delete from table "polardb_test" because it does not have a replica identity and publishes deletes HINT: To enable deleting from the table, set REPLICA IDENTITY using ALTER TABLE. test ( test text COLLATE pg_catalog. Despite the fact that wal_level has changed in postgres. A publication can be defined on any physical replication master. 1. This setting would result in each update/delete doing a full-table-scan on the subscriber side to find the tuple with those rows. To do that, create the index using <command>CREATE INDEX CONCURRENTLY</command>, and then install it as an official constraint using this syntax. Here's an example of how to change the replica identity of a table: 1. Sep 1, 2017 · ALTER TABLE tblah ALTER COLUMN cblah DEFAULT dblah; UPDATE tblah SET cblah = dblah WHERE cblah IS NULL; ALTER TABLE tblah ALTER COLUM cblah NOT NULL; The latter will not hold a strong lock over the table rewrite, and will be much less disruptive. Following the table name, specify the alterations to be made. USING INDEX index_name Records the old values of the columns covered by the named uniq index. NOTHING. Jun 7, 2024 · For postgres to figure out which rows need to be deleted from the replica, it needs a replica identity. conf all tables still appears in pg_publication_tables. However, I am unable to provide a replica identity and cannot drop the replica. 15. HINT: To enable deleting from the table, set REPLICA IDENTITY using ALTER TABLE. Nov 3, 2023 · The first step is to provision the four nodes with both PostgreSQL and Citus. Each publication exists in only one database. WHEN 'd' THEN 'default'. mytable REPLICA IDENTITY FULL; ALTER TABLE test2 REPLICA IDENTITY FULL; REPLICA IDENTITY有四个值可选择:. WHEN 'n' THEN 'nothing'. If true this index has been chosen as “ replica identity ” using ALTER TABLE REPLICA IDENTITY USING INDEX indkey int2vector (references pg_attribute. Replica identity specifies the type of information written to the write-ahead log with respect to what the previous values were. ALTER TABLE orders REPLICA IDENTITY (customer_id); 在这种情况下,副本标识将仅根据”customer_id”列的值进行确定。 如何查找副本标识? 要查找表的副本标识,我们可以使用PostgreSQL中的系统视图”pg_class”和”pg_index”。 ALTER TABLE mytable REPLICA IDENTITY FULL; According to docs there four modes: DEFAULT Records the old values of the columns of the primary key, if any. Mar 15, 2021 · In case of Postgres, we need to alter table to set replica identity to full for those tables which don’t have primary key. postgresql. Read on to learn more. at line 30. 在高负载情况下,这可能会导致写入操作的延迟增加 Mar 18, 2021 · 一个被纳入逻辑复制 发布 中的表,必须配置有 复制标识(Replica Identity) ,只有这样才可以在 订阅 者一侧定位到需要更新的行,完成 UPDATE. NOTHING Records no information about the old Mar 5, 2024 · I am trying to create a logical replication with filter between two postgresql 16 servers. WHEN 'i' THEN 'index'. Oct 17, 2022 · No, I made a REPLICA IDENTITY FULL only for table 1. 默认情况下, 主键 (Primary Key)和 非空列上的唯一索引 (UNIQUE NOT NULL)可以用作复制标识 To use ALTER TABLE, you need ALTER , CREATE, and INSERT privileges for the table. sql","path":"src/test/regress/sql/advisory_lock. Check the current replica identity of the table: Output: In this case, the replica identity is set to "d" which means the default replica identity is used. Mar 30, 2021 · alter table test. END AS replica_identity. USING INDEX index_name (must be unique) FULL. 2 ALTER TABLE and Generated Columns. Jan 30, 2023 · The ALTER TABLE command with the REPLICA IDENTITY clause is used to set the replication identity for a table. e. cdc_order with the actual database and table. The query will list the tablename as its replica identity status. Dec 17, 2022 · Cause: org. -- with a server restart. Dec 15, 2021 · Flink CDC 项目中各个connector的依赖管理和Flink 项目中 connector 保持一致。. For example, it is possible to add several columns and/or alter the type of several columns in a single command. test OWNER to postgres; insert into test (test,test2) values ('a',1) alter table test replica identity full; create publication pub247b for table test; and then on the target database HINT: To enable updating the table, set REPLICA IDENTITY using ALTER TABLE. By default, this is the primary key, if there is one. Jun 14, 2023 · I am using the "dbzm" publication in PostgreSQL, which is created to include all tables. 对于fillfactor和autovacuum存储参数以及以下规划器相关参数, 将采用 SHARE UPDATE EXCLUSIVE 锁 15. Jul 5, 2023 · Seems that the lock table has no primary key, so the replication fails. product drop constraint product_id_pk;--删除主键 alter table test. NOTHING - 更新和删除将不包含任何先前值. You’d typically use the primary key or an index as the “replica identity” and avoid setting the “replica identity” to full. Tembolee if at me for example there will be one thousand tables. This means an entire record will be used as a key, but it may be inefficient. In our testing we’ve found this to result in worse performance than even solution four below. Nov 25, 2016 · Now SQL sort the table based on the Created column, so now I can add my Identity column. asset_info replica identity using INDEX asset_info_pkey; ALTER TABLE stage_dev=# Subscription refresh did not helped, neither dropping the mistaken unique index. -- update each postgres node and enabling the extension. There is the Table Designer in SSMS which may make you think it is, but this is a dangerous tool. Note: Replace test. I like to think of the replica identity as a sort of primary key between publishers and subscribers, since primary keys are used to uniquely identify database rows. Press CTRL+C to copy. (New table) Here you can retain the existing data values on the newly created identity column. This field is present if the table in which the delete happened has REPLICA IDENTITY set to FULL. SELECT oid::regclass,CASE relreplident. product add constraint product_id_pk_re PRIMARY KEY (product_id);--新建主键 alter table product REPLICA IDENTITY default;-将复制标识指向主键 ⚠️ 注意,在订阅者端也必须设置一个复制标识,它应该由相同的或者少一些 Apr 21, 2021 · In PostgreSQL will the replica identity of a table in a read-only replica database be the same as the replica identity in the primary? I. Also, I couldn't find a way to run it with run_command_on_placements() for the following since we need to pass tw Aug 2, 2018 · CREATE TABLE public. CREATE TABLE t1 (c1 INT); ALTER TABLE t1 ADD COLUMN c2 INT GENERATED ALWAYS AS (c1 + 1) STORED; The data type and expression of generated columns can be modified. Insert some data into the table: 3. For example, a value of 1 3 would mean that the first and the third table columns make Add the replication identity (the method of distinguishing between rows) for each table you want to replicate: ALTER TABLE tbl1 REPLICA IDENTITY DEFAULT; In rare cases, if your tables use data types that support TOAST or have very large field values, consider instead using replica identity type full: ALTER TABLE tbl1 REPLICA IDENTITY FULL; . Publication. To show the previous values of all the table’s columns, please set the REPLICA IDENTITY level to FULL: ALTER TABLE public. conf (for localhost configuration): Jul 6, 2023 · By default, this is the primary key, if there is one. You probably have to drop the column by first copying the data into some other column ( which does not have the identity ). The slot information you show is looking at the replication process as a whole. PSQLException: ERROR: cannot update table "book_max" because it does not have a replica identity and publishes updates Hint: To enable updating the table, set REPLICA IDENTITY using ALTER TABLE. Approach 1. – Feb 10, 2024 · ALTER TABLE table_name REPLICA IDENTITY full; ℹ️ TIP: The option value could be: Default, Nothing, full, index ℹ️ TIP: View the table’s current wal config for a specific table SELECT CASE relreplident WHEN 'd' THEN 'default' WHEN 'n' THEN 'nothing' WHEN 'f' THEN 'full' WHEN 'i' THEN 'index' END AS replica_identity FROM pg_class WHERE #Table replica identity. 2. max_replication_slots = { >= subscriber count + some reserve } max_wal_senders = { max_replication_slots + the number of physical replicas that are connected at the same time } synchronous_commit = on – this is a default value. 9. Among the many things to say about logical replication features added in PostgreSQL 9. FULL Records the old values of all columns in the row. However, it does have some limitations that may or may not prevent you from employing it for replication. It can implement the rename-create-new-and-copy-over dance for you, but it is 1) very buggy 2) it may use it, even when ALTER TABLE would do the job. Feb 27, 2017 · alter table table_name REPLICA IDENTITY { DEFAULT | USING INDEX index_name | FULL | NOTHING } 报错例子 postgres=# delete from c; ERROR: cannot delete from table "c" because it does not have replica identity and publishes deletes HINT: To enable deleting from the table, set REPLICA IDENTITY using ALTER TABLE. To add a (multicolumn) unique constraint to a table: ALTER TABLE distributors ADD CONSTRAINT dist_id_zipcode_key UNIQUE (dist_id, zipcode); To add an automatically named primary key constraint to a table, noting that a table can only ever have one primary key: ALTER TABLE distributors ADD PRIMARY KEY (dist_id); Currently, when a local table has replica identity and then distributed, Citus ignores the replica identity. PLAIN must be used for fixed-length values such as integer and is inline, uncompressed. –主キーまたはREPLICA IDENTITY設定が無いテーブルに対するUPDATE / DELETEはSQL実行エラー pubdb=> UPDATE data1 SET c2='update' WHERE c1=100 ; ERROR: cannot update table "data1" because it does not have replica identity and publishes updates HINT: To enable updating the table, set REPLICA IDENTITY using ALTER TABLE. peiybdb=#. If operations such as update will be performed on the Postgres table, you need to run the following statement in PostgreSQL. MAIN is for inline, compressible data. But I think there is a better solution. cannot update table "etiquetas_j". Renaming a table requires ALTER and DROP on the old table, ALTER , CREATE, and INSERT on the new table. Alternatively, all tables can be REPLICA IDENTITY FULL enabled. If none are given, ALTER TABLE does nothing. How to do it… All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITIONcan be combined into a list of multiple alterations to be applied together. Re: [BUG]Missing REPLICA IDENTITY check when DROP NOT NULL at 2021-11-24 11:28:33 from Michael Paquier; Responses. Could you please confirm how c… Hi, We are using Hibernate hbm2ddl property for creating table. , if I run the following query on primary and replica databases will I always get the same result (assuming replication is caught up)? Jun 9, 2024 · PolarDB for PostgreSQLprovides the following two methods for you to change the replica identities of tables to FULL. So the result is as I expected ** Person ** Nov 18, 2018 · stage_dev=# alter table stage_data. ERROR: cannot update table "etiquetas_j" Estado SQL: 42P10 Detalle: Column list used by the publication does not cover the replica identity. We ask users to alter their upstream postgres config: ALTERTABLE foo REPLICA IDENTITY FULL; Experienced developers are very cautious about altering postgres config, it would be helpful to explain: What this change is doing (with links to primary postgres docs on it) How it will impact the rest of the database. flink-connector-xx 只有该 connector Identifies the following TupleData submessage as a key. To run UPDATE and DELETE replications on tables without the primary key, change the REPLICA IDENTITY : Feb 21, 2021 · After some investigation I found solution. You can't alter the existing columns for identity. So it would be like add a new column to your table and copy the values of your existing identity column to it. DEFAULT (the default for non-system tables) records the old values of the columns of the primary key, if any. I think we should change the function. Once the identity column is set you cannot remove it or you cannot set it to OFF. It has four different options that can be configured: DEFAULT, FULL, NOTHING, and USING INDEX. If that requirement is not met, we may use a replica identity of FULL. Jun 10, 2024 · You can change a table's replica identity by running a command like this: ALTER TABLE table REPLICA IDENTITY value; The valid settings are: DEFAULT. peiybdb=# delete from tmp_t0 where c0='1'; ERROR: cannot delete from table "tmp_t0" because it does not have a replica identity and publishes deletes. > > > Here is the example: > DROP TABLE tab1; > CREATE TABLE tab1 (a int NOT NULL); > CREATE UNIQUE INDEX replica_unique ON tab1(a); > ALTER TABLE tab1 REPLICA IDENTITY USING INDEX replica_unique; > ALTER TABLE tab1 ADD CONSTRAINT pkey PRIMARY KEY (a); > Jun 25, 2013 · 1. postgres would resolve 2/3 of the tables, without affecting sqlite, right? If so, it seems to me that the following tables could have existing indexes converted to unique, or a unique index added. Physical replication is traditionally used to create read-only replicas of a primary instance, and utilized in both self-managed and managed deployments of PostgreSQL. Tmp_Names. Also swears on table 3 as it is deleted through cascade removal. Realtime is disabled by default for new tables. In the session below, port 11002 is the publisher side, while 11003 is the subscriber To add a (multicolumn) unique constraint to a table: ALTER TABLE distributors ADD CONSTRAINT dist_id_zipcode_key UNIQUE (dist_id, zipcode); To add an automatically named primary key constraint to a table, noting that a table can only ever have one primary key: ALTER TABLE distributors ADD PRIMARY KEY (dist_id); . On publisher: create table repl_sample ( id int not null, name varchar (64) not null, age int not null, constraint pk_repl_sample primary key (id) ) alter table repl_sample replica identity default create publication repl_sample_publication for table repl_sample where (id < 7) Mar 19, 2021 · The default value for REPLICA IDENTITY of a table is documented with ALTER TABLE: This option has no effect except when logical replication is in use. PostgreSQL supports block-based (physical) replication as well as the row-based (logical) replication. util. 1. The easiest fix for this is to add a primary key to the freshly_baked_table. Uses for physical read replicas can include high availability, disaster ALTER TABLE t ADD COLUMN cnew2 INT AFTER c2; Replication fails after execution on the replica of the ALTER TABLE statement just shown, because the new column cnew2 comes between columns common to both versions of t. ALTER TABLE test. TupleData Failed to add sync: DBD::Pg::st execute failed: ERROR: DBD::Pg::db do failed: ERROR: cannot delete from table "bucardo_delta_targets" because it does not have a replica identity and publishes deletes HINT: To enable deleting from the table, set REPLICA IDENTITY using ALTER TABLE. All the forms of ALTER TABLE that act on a single table, except RENAME, SET SCHEMA, ATTACH PARTITION, and DETACH PARTITION can be combined into a list of multiple alterations to be applied together. And I delete it from table 2 from the same schema. 操作的影响. 当在高负载数据库上执行 ALTER TABLE REPLICA IDENTITY FULL 操作时,需要考虑以下几个方面:. Generated columns can be added. Contact information is available here and sponsoring is here. So for check publication status used: Oct 19, 2017 · As we're considering using logical replication, being able to set replica identity should provide a better user experience. Btw, as far as I see, it has unique index lock_resource_key, so in the meantime we just ran ALTER TABLE hangfire. 执行 ALTER TABLE REPLICA IDENTITY FULL 操作会影响写入操作的性能,因为主键列值将包含在每个写入操作中。. INDEX index name - 更新和删除事件将包含名为index name的索引定义中包含的 Create table T5, and add an identity column B with starting value of 100 and an increment of 10. Jan 6, 2016 · 8. Refer here or here for getting and installing the extension. alter system set shared_preload_libraries= 'citus'; alter table t_normal replica identity nothing; 如果没有任何复制标识,可以将复制标识设置为FULL,也就是把整个行当作复制标识。 但是,使用FULL模式的复制标识效率很低,所以这种配置只能是保底方案,或者用于很小的表。 Jul 27, 2021 · alter table t_normal replica identity nothing; 如果没有任何复制标识,可以将复制标识设置为FULL,也就是把整个行当作复制标识。 但是,使用FULL模式的复制标识效率很低,所以这种配置只能是保底方案,或者用于很小的表。 Jul 11, 2021 · This field is optional and is only present if table in which the update happened has REPLICA IDENTITY set to FULL. Nov 25, 2021 · In response to. 567e 3 [local] anl_master_dev postgres 0 14/6766 psql idle [00000]:LOG: statement: alter subscription Apr 29, 2022 · Now, you are using a language like a table was some sort of GUI object with checkboxes, but it isn't. CREATE TABLE customers ( . "lock" REPLICA IDENTITY USING INDEX "lock_resource_key"; which I believe will fix the issue Aug 30, 2023 · ERROR: Column list used by the publication does not cover the replica identity. x REPLICA IDENTITY USING INDEX x_id_created_idx; To make DELETE work, I would have to manually do the following for the child table as it inherhits the UNIQUE INDEX but not the REPLICA IDENTITY: ALTER TABLE dba. This provides a more flexible and easier means to replicate your tables than the regular streaming replication mechanism. fy qc fo cc hd of tu kc od fd