Add support for tuple-format custom codecs on composite types #1061
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GFuhr
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Aug 16, 2023
docs/usage.rst
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| format='tuple', | ||
| ) | ||
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| res = await conn.fetchval('SELECT $1::complex', (1+2j)) |
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It should be 'SELECT $1::mycomplex' here I think
It is now possible to `set_type_codec('mycomposite', ... format='tuple')`,
which is useful for types that are represented by a composite type in
Postgres, but are an integral type in Python, e.g. `complex`.
Fixes: #1060
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Minor fixes and improvements. Improvements ============ * Python 3.12 and PostgreSQL 16 support (#1084) (by @elprans in deea86c) * Add support for tuple-format custom codecs on composite types (#1061) (by @elprans in 922fcd1) * Support `target_session_attrs` in URL format, add tests (#1073) (by @elprans in 7cb4e70) * Infinity numeric support (#1067) (by @krokoziabla in 0c3bf60 for #1020) * Add support for the `WHERE` clause in `copy_to` methods (#941) (by @kaylynn234 in b7ffab6) * Add query logging callbacks and context manager (#1043) (by @dcwatson in b2697ff) Fixes ===== * When prepared statements are disabled, avoid relying on them harder (#1065) (by @elprans in cbf64e1) * Handle environments with HOME set to a not-a-directory (#1063) (by @elprans in af922bc) * Fix handling of non-ASCII passwords (#1062) (by @elprans in 89d5bd0) * Disable JIT while doing type introspection (#1082) (by @elprans in f21ebf6) * Remove connection parameter caching in `Pool` (#1053) (by @ermakov-oleg in 4ddb039) * Switch to Python 3.12-style `wait_for` (#1086) (by @elprans in 4bdd8a7) * Update automatic PostGIS type conversion for Shapely 2.0 (#1085) (by @ChimneySwift in 8b45beb) * Use the `timeout` context manager in the connection path (#1087) (by @elprans in 313b2b2) * Small fix for documentation on using SSL in Connection (#995) (by @ScottFred in ccc7baf) * Use cleanup_ctx in pool usage doc (#878) (by @ir4y in 70c8bd8) * Close cursor portals once the iterator is exhausted (#1088) (by @elprans in ca9f03b) * Cut BaseProtocol circular reference on close. (#1049) (by @pteromys in 93a6f79) * Allow passing hosts as tuples to `connect()` (in addition to lists) (#1021) (by @lezram in d7faaff) Other ===== * Drop support for Python 3.7 (#1064) (by @bryanforbes in 87ab143)
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Minor fixes and improvements. Improvements ============ * Python 3.12 and PostgreSQL 16 support (#1084) (by @elprans in deea86c) * Add support for tuple-format custom codecs on composite types (#1061) (by @elprans in 922fcd1) * Support `target_session_attrs` in URL format, add tests (#1073) (by @elprans in 7cb4e70) * Infinity numeric support (#1067) (by @krokoziabla in 0c3bf60 for #1020) * Add support for the `WHERE` clause in `copy_to` methods (#941) (by @kaylynn234 in b7ffab6) * Add query logging callbacks and context manager (#1043) (by @dcwatson in b2697ff) Fixes ===== * When prepared statements are disabled, avoid relying on them harder (#1065) (by @elprans in cbf64e1) * Handle environments with HOME set to a not-a-directory (#1063) (by @elprans in af922bc) * Fix handling of non-ASCII passwords (#1062) (by @elprans in 89d5bd0) * Disable JIT while doing type introspection (#1082) (by @elprans in f21ebf6) * Remove connection parameter caching in `Pool` (#1053) (by @ermakov-oleg in 4ddb039) * Switch to Python 3.12-style `wait_for` (#1086) (by @elprans in 4bdd8a7) * Update automatic PostGIS type conversion for Shapely 2.0 (#1085) (by @ChimneySwift in 8b45beb) * Use the `timeout` context manager in the connection path (#1087) (by @elprans in 313b2b2) * Small fix for documentation on using SSL in Connection (#995) (by @ScottFred in ccc7baf) * Use cleanup_ctx in pool usage doc (#878) (by @ir4y in 70c8bd8) * Close cursor portals once the iterator is exhausted (#1088) (by @elprans in ca9f03b) * Cut BaseProtocol circular reference on close. (#1049) (by @pteromys in 93a6f79) * Allow passing hosts as tuples to `connect()` (in addition to lists) (#1021) (by @lezram in d7faaff) Other ===== * Drop support for Python 3.7 (#1064) (by @bryanforbes in 87ab143)
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It is now possible to
set_type_codec('mycomposite', ... format='tuple'),which is useful for types that are represented by a composite type in
Postgres, but are an integral type in Python, e.g.
complex.Fixes: #1060