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Revert temporal primary keys and foreign keys

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This feature set did not handle empty ranges correctly, and it's now
too late for PostgreSQL 17 to fix it.

The following commits are reverted:

    6db4598fcb Add stratnum GiST support function
    46a0cd4cef Add temporal PRIMARY KEY and UNIQUE constraints
    86232a49a4 Fix comment on gist_stratnum_btree
    030e10ff1a Rename pg_constraint.conwithoutoverlaps to conperiod
    a88c800deb Use daterange and YMD in without_overlaps tests instead of tsrange.
    5577a71fb0 Use half-open interval notation in without_overlaps tests
    34768ee361 Add temporal FOREIGN KEY contraints
    482e108cd3 Add test for REPLICA IDENTITY with a temporal key
    c3db1f30cb doc:  clarify PERIOD and WITHOUT OVERLAPS in CREATE TABLE
    144c2ce0cc Fix ON CONFLICT DO NOTHING/UPDATE for temporal indexes

Discussion: https://www.postgresql.org/message-id/d0b64a7a-dfe4-4b84-a906-c7dedfa40a3e@eisentraut.org
This commit is contained in:
Peter Eisentraut
2024-05-16 08:15:35 +02:00
parent f6ebb41831
commit 8aee330af5
47 changed files with 149 additions and 4475 deletions
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27
contrib/btree_gist/btree_gist.c
View File

@ -3,7 +3,6 @@
*/
#include "postgres.h"
#include "access/stratnum.h"
#include "utils/builtins.h"
PG_MODULE_MAGIC;
@ -11,7 +10,6 @@ PG_MODULE_MAGIC;
PG_FUNCTION_INFO_V1(gbt_decompress);
PG_FUNCTION_INFO_V1(gbtreekey_in);
PG_FUNCTION_INFO_V1(gbtreekey_out);
PG_FUNCTION_INFO_V1(gist_stratnum_btree);
/**************************************************
* In/Out for keys
@ -53,28 +51,3 @@ gbt_decompress(PG_FUNCTION_ARGS)
{
PG_RETURN_POINTER(PG_GETARG_POINTER(0));
}
/*
* Returns the btree number for supported operators, otherwise invalid.
*/
Datum
gist_stratnum_btree(PG_FUNCTION_ARGS)
{
StrategyNumber strat = PG_GETARG_UINT16(0);
switch (strat)
{
case RTEqualStrategyNumber:
PG_RETURN_UINT16(BTEqualStrategyNumber);
case RTLessStrategyNumber:
PG_RETURN_UINT16(BTLessStrategyNumber);
case RTLessEqualStrategyNumber:
PG_RETURN_UINT16(BTLessEqualStrategyNumber);
case RTGreaterStrategyNumber:
PG_RETURN_UINT16(BTGreaterStrategyNumber);
case RTGreaterEqualStrategyNumber:
PG_RETURN_UINT16(BTGreaterEqualStrategyNumber);
default:
PG_RETURN_UINT16(InvalidStrategy);
}
}