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| author | Daniele Varrazzo <daniele.varrazzo@gmail.com> | 2012-02-24 00:33:28 +0000 |
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| committer | Daniele Varrazzo <daniele.varrazzo@gmail.com> | 2012-02-24 00:33:28 +0000 |
| commit | a165f861270994da0435e42e568f8e4327bd8251 (patch) | |
| tree | 3a60f45b9e949928231f568f13f9dddc6b54a6fa /doc/src/faq.rst | |
| parent | 0c337a20290a766c13c0c0674c2ab079be5f6768 (diff) | |
| download | psycopg2-a165f861270994da0435e42e568f8e4327bd8251.tar.gz | |
Added docs about how to create a generic array typecaster
Diffstat (limited to 'doc/src/faq.rst')
| -rw-r--r-- | doc/src/faq.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/src/faq.rst b/doc/src/faq.rst index 3296cd8..8afc478 100644 --- a/doc/src/faq.rst +++ b/doc/src/faq.rst @@ -109,6 +109,13 @@ Transferring binary data from PostgreSQL 9.0 doesn't work. .. __: http://www.postgresql.org/docs/9.0/static/datatype-binary.html .. __: http://www.postgresql.org/docs/9.0/static/runtime-config-client.html#GUC-BYTEA-OUTPUT +Arrays of *TYPE* are not casted to list. + Arrays are only casted to list when their oid is known, and an array + typecaster is registered for them. If there is no typecaster, the array is + returned unparsed from PostgreSQL (e.g. ``{a,b,c}``). It is easy to create + a generic arrays typecaster, returning a list of array: an example is + provided in the `~psycopg2.extensions.new_array_type()` documentation. + Best practices -------------- |