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Clarify comment about temporal foreign keys

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In RI_ConstraintInfo, period_contained_by_oper and
period_intersect_oper can take either anyrange or anymultirange.

Author: Paul A. Jungwirth <pj@illuminatedcomputing.com>
Discussion: https://www.postgresql.org/message-id/CA%2BrenyWzDth%2BjqLZA2L2Cezs3wE%2BWX-5P8W2EOVx_zfFD%3Daicg%40mail.gmail.com
This commit is contained in:
Peter Eisentraut 2025-12-13 16:44:33 +01:00
parent 630a93799d
commit ff30bad7f6
1 changed files with 4 additions and 2 deletions
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6
src/backend/utils/adt/ri_triggers.c
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@ -126,9 +126,11 @@ typedef struct RI_ConstraintInfo
Oid pf_eq_oprs[RI_MAX_NUMKEYS]; /* equality operators (PK = FK) */
Oid pp_eq_oprs[RI_MAX_NUMKEYS]; /* equality operators (PK = PK) */
Oid ff_eq_oprs[RI_MAX_NUMKEYS]; /* equality operators (FK = FK) */
Oid period_contained_by_oper; /* anyrange <@ anyrange */
Oid period_contained_by_oper; /* anyrange <@ anyrange (or
* multiranges) */
Oid agged_period_contained_by_oper; /* fkattr <@ range_agg(pkattr) */
Oid period_intersect_oper; /* anyrange * anyrange */
Oid period_intersect_oper; /* anyrange * anyrange (or
* multiranges) */
dlist_node valid_link; /* Link in list of valid entries */
} RI_ConstraintInfo;