pg_conversion
The catalog pg_conversion describes encoding conversion functions. See CREATE CONVERSION for more information.
English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.
Reading PG 18·Select a recorded version
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- oid, conname, connamespace, conowner, conforencoding, contoencoding, conproc, condefault
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Definition PG 18
The catalog pg_conversion describes encoding conversion functions. See CREATE CONVERSION for more information.
Catalog columns
| Column | Type | Nullability | Description |
|---|---|---|---|
| oid | oid | Not null | Row identifier |
| conname | name | Not null | Conversion name (unique within a namespace) |
| connamespace | oid | Not null | The OID of the namespace that contains this conversion |
| conowner | oid | Not null | Owner of the conversion |
| conforencoding | int4 | Not null | Source encoding ID (pg_encoding_to_char() can translate this number to the encoding name) |
| contoencoding | int4 | Not null | Destination encoding ID (pg_encoding_to_char() can translate this number to the encoding name) |
| conproc | regproc | Not null | Conversion function |
| condefault | bool | Not null | True if this is the default conversion |
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Source references
Full definition and evidence JSON
Definition sources
center · PostgreSQL 18 · catalog-bilingual-repair:4075f76402b6a0c1dd9724f55de925d5e4ae57054bf802cd89dc171a38a61c90
Text language: en · catalog-bilingual-repair:4075f76402b6a0c1dd9724f55de925d5e4ae57054bf802cd89dc171a38a61c90