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[](https://www.gnu.org/licenses/agpl-3.0) |
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[](https://travis-ci.org/muk-it/muk_web) |
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[](https://codecov.io/gh/muk-it/muk_web) |
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[](https://www.codacy.com/app/keshrath/muk_web?utm_source=github.com&utm_medium=referral&utm_content=muk-it/muk_web&utm_campaign=Badge_Grade) |
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# MuK Large Objects Field |
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# MuK Odoo Web Modules |
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PostgreSQL offers support for large objects, which provide stream-style access to user data that is stored in a special large-object structure. They are useful with data values too large to be manipulated conveniently as a whole. |
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addon | version | summary |
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--- | --- | --- |
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[muk_web_client](muk_web_client/) | 11.0 | Odoo Web Client Extension |
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[muk_web_client_refresh](muk_web_client_refresh/) | 11.0 | Web Client Refresh |
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[muk_web_preview](muk_web_preview/) | 11.0 | Preview Dialog |
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[muk_web_preview_attachment](muk_web_preview_attachment/) | 11.0 | Preview Dialog Attachment |
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[muk_web_share](muk_web_share/) | 11.0 | Share Dialog |
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Psycopg allows access to the large object using the `lobject` class. Objects are generated using the `connection.lobject()` factory method. Data can be retrieved either as bytes or as Unicode strings. |
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Psycopg large object support efficient import/export with file system files using the `lo_import()` and `lo_export()` libpq functions. |
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Changed in version 2.6: added support for large objects greated than 2GB. Note that the support is enabled only if all the following conditions are verified: |
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* the Python build is 64 bits; |
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* the extension was built against at least libpq 9.3; |
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* the server version is at least PostgreSQL 9.3 (server_version must be >= 90300). |
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If Psycopg was built with 64 bits large objects support (i.e. the first two contidions above are verified), the `psycopg2.__version__` constant will contain the lo64 flag. If any of the contition is not met several lobject methods will fail if the arguments exceed 2GB. |