Webb17 mars 2011 · ALTER SEQUENCE product_id_seq RESTART WITH 1453 You can see the sequences in your database using the \ds command in psql. If you do \d product and … WebbThe REINDEX command requires an exclusive table lock, which means that it'll stall any accesses to the table until the command has completed. If you can afford that kind of maintenance window it's perfectly fine. The alternative for online rebuilding is to create a new index using CREATE INDEX CONCURRENTLY, then drop the old one.This will take …
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WebbThe index is dropped in PostgreSQL using the drop command below is the syntax and example for the same. Syntax: DROP INDEX index_name; Example: testing=#drop index cust_id_index; Output: Examples: Below is an example of creating an index in PostgreSQL. testing=#CREATE UNIQUE INDEX custid_idx ON customer (cust_id); WebbStarting a PostgreSQL cluster using pg_ctl; Shutting down a PostgreSQL cluster using different shutdown modes; Identifying a PostgreSQL data directory and its contents; Moving pg_wal to another location; Running the psql client and some psql shortcuts; Locating the Postgres configuration file; Modifying the location of a postgresql.conf file … impact tap socket
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Webb13 jan. 2011 · With PostgreSQL 8.4 or newer there is no need to specify the WITH 1 anymore. The start value that was recorded by CREATE SEQUENCE or last set by ALTER … WebbOne way to do this is to shut down the server and start a single-user PostgreSQL server with the -P option included on its command line. Then, REINDEX DATABASE, REINDEX SYSTEM, REINDEX TABLE, or REINDEX INDEX can be issued, depending on how much you want to reconstruct. WebbRebuilding indexes concurrently Once in a while, it can be necessary (in rare circumstances) to recreate an index. For quite some time, PostgreSQL has provided CREATE INDEX CONCURRENTLY, which allows end users to create an index while a table is under a heavy write load. impact task force