Output a directory-format archive ideal for enter into pg_restore. this tends to develop a directory with a single file for each desk and large item being dumped, furthermore a so-known as desk of Contents file describing the dumped objects in a very machine-readable structure that pg_restore can browse.
parameter is interpreted like a pattern in accordance with the exact regulations employed by psql's \d instructions (see styles), so various foreign servers will also be picked by creating wildcard figures in the sample.
make DATABASE foo WITH TEMPLATE template0; each time a details-only dump is chosen and the choice --disable-triggers is applied, pg_dump emits instructions to disable triggers on user tables right before inserting the information, then instructions to re-allow them once the knowledge continues to be inserted. When the restore is stopped in the middle, the technique catalogs could be still left in the incorrect state.
quite possibly the most adaptable output file formats are classified as the “custom” structure (-Fc) and also the “Listing” format (-Fd). They allow for selection and reordering of all archived products, assistance parallel restoration, and therefore are compressed by default. The “Listing” format is the only real structure that supports parallel dumps.
Take note that if you use this feature currently, you most likely also want the dump be in INSERT structure, because the duplicate FROM throughout restore won't assist row protection.
Output SQL-common SET SESSION AUTHORIZATION commands as an alternative to ALTER OWNER commands to determine item ownership. This helps make the dump far more requirements-suitable, but based on the heritage in the objects within the dump, might not restore effectively.
If no compression level is specified, the default compression stage might be used. If merely a amount is specified with no mentioning an algorithm, gzip compression are going to be employed if the extent is bigger than 0, and no compression might be made use of if the extent is 0.
. The sample is interpreted based on the exact guidelines as for -t. --exclude-table-details is usually specified greater than as soon as to exclude tables matching any of quite a few patterns. this selection is beneficial any time you need to have the definition of a particular desk even though you don't will need the data in it.
. The sample is interpreted in accordance with the very same principles as for -t. -T might be presented in excess of as soon as to exclude tables matching any of quite a few designs.
in no way difficulty a password prompt. In the event the server demands password authentication in addition to a password is just not available by other implies such as a .pgpass file, the link attempt will fail. this feature might be helpful in batch Work opportunities and scripts where no user is existing to enter a password.
, ...) VALUES ...). This could make restoration pretty sluggish; it is mainly handy for creating dumps that may be loaded into non-PostgreSQL databases. Any mistake for the duration of restoring will cause only rows which are part of the problematic INSERT for being misplaced, in lieu of your complete table contents.
Do not output commands to pick desk obtain approaches. With this selection, all objects will probably be established with whichever table obtain method would be the default during restore.
When employing wildcards, be cautious to estimate the sample if essential to prevent the shell from increasing the wildcards; see illustrations underneath.
Do not output instructions to pick out tablespaces. With this feature, all objects will likely be developed in whichever tablespace could be the default during restore.
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this feature isn't important, given that pg_dump will routinely prompt to get a password In the event the server calls for password authentication.