pg_amproc
The catalog pg_amproc stores information about support functions associated with access method operator families. There is one row for each support function belonging to an operator family.
English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.
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- catalog
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- en
- measured attributes
- true
- metadata release
- 18.6
- runtime columns
- oid, amprocfamily, amproclefttype, amprocrighttype, amprocnum, amproc
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- english-manual
Definition PG 18
The catalog pg_amproc stores information about support functions associated with access method operator families. There is one row for each support function belonging to an operator family.
Catalog columns
| Column | Type | Nullability | Description |
|---|---|---|---|
| oid | oid | Not null | Row identifier |
| amprocfamily | oid | Not null | The operator family this entry is for |
| amproclefttype | oid | Not null | Left-hand input data type of associated operator |
| amprocrighttype | oid | Not null | Right-hand input data type of associated operator |
| amprocnum | int2 | Not null | Support function number |
| amproc | regproc | Not null | OID of the function |
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Source references
Full definition and evidence JSON
Definition sources
center · PostgreSQL 18 · catalog-bilingual-repair:e6857bbb0ac309d5112570c87604aa191540a27de8e48638784998385e157129
Text language: en · catalog-bilingual-repair:e6857bbb0ac309d5112570c87604aa191540a27de8e48638784998385e157129