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Drop opcintype from index AM strategy translation API

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The type argument wasn't actually really necessary.  It was a remnant
of converting the API of the gist strategy translation from using
opclass to using opfamily+opcintype (commits c09e5a6a01,
622f678c10).  For looking up the gist translation function, we used
the convention "amproclefttype = amprocrighttype = opclass's
opcintype" (see pg_amproc.h).  But each operator family should only
have one translation function, and getting the right type for the
lookup is sometimes cumbersome and fragile, so this is all
unnecessarily complicated.

To simplify this, change the gist stategy support procedure to take
"any", "any" as argument.  (This is arbitrary but seems intuitive.
The alternative of using InvalidOid as argument(s) upsets various DDL
commands, so it's not practical.)  Then we don't need opcintype for
the lookup, and we can remove it from all the API layers introduced by
commit c09e5a6a01.

This also adds some more documentation about the correct signature of
the gist support function and adds more checks in gistvalidate().
This was previously underspecified.  (It relied implicitly on
convention mentioned above.)

Discussion: https://www.postgresql.org/message-id/flat/E72EAA49-354D-4C2E-8EB9-255197F55330@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2025-02-21 08:34:35 +01:00
parent 7202d72787
commit 7d6d2c4bbd
18 changed files with 72 additions and 67 deletions
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52
contrib/btree_gist/btree_gist--1.7--1.8.sql
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@ -9,79 +9,79 @@ AS 'MODULE_PATHNAME'
LANGUAGE C IMMUTABLE PARALLEL SAFE STRICT;
ALTER OPERATOR FAMILY gist_oid_ops USING gist ADD
FUNCTION 12 (oid, oid) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_int2_ops USING gist ADD
FUNCTION 12 (int2, int2) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_int4_ops USING gist ADD
FUNCTION 12 (int4, int4) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_int8_ops USING gist ADD
FUNCTION 12 (int8, int8) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_float4_ops USING gist ADD
FUNCTION 12 (float4, float4) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_float8_ops USING gist ADD
FUNCTION 12 (float8, float8) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_timestamp_ops USING gist ADD
FUNCTION 12 (timestamp, timestamp) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_timestamptz_ops USING gist ADD
FUNCTION 12 (timestamptz, timestamptz) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_time_ops USING gist ADD
FUNCTION 12 (time, time) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_date_ops USING gist ADD
FUNCTION 12 (date, date) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_interval_ops USING gist ADD
FUNCTION 12 (interval, interval) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_cash_ops USING gist ADD
FUNCTION 12 (money, money) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_macaddr_ops USING gist ADD
FUNCTION 12 (macaddr, macaddr) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_text_ops USING gist ADD
FUNCTION 12 (text, text) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_bpchar_ops USING gist ADD
FUNCTION 12 (bpchar, bpchar) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_bytea_ops USING gist ADD
FUNCTION 12 (bytea, bytea) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_numeric_ops USING gist ADD
FUNCTION 12 (numeric, numeric) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_bit_ops USING gist ADD
FUNCTION 12 (bit, bit) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_vbit_ops USING gist ADD
FUNCTION 12 (varbit, varbit) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_inet_ops USING gist ADD
FUNCTION 12 (inet, inet) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_cidr_ops USING gist ADD
FUNCTION 12 (cidr, cidr) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_timetz_ops USING gist ADD
FUNCTION 12 (timetz, timetz) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_uuid_ops USING gist ADD
FUNCTION 12 (uuid, uuid) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_macaddr8_ops USING gist ADD
FUNCTION 12 (macaddr8, macaddr8) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_enum_ops USING gist ADD
FUNCTION 12 (anyenum, anyenum) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;
ALTER OPERATOR FAMILY gist_bool_ops USING gist ADD
FUNCTION 12 (bool, bool) gist_stratnum_btree (int) ;
FUNCTION 12 ("any", "any") gist_stratnum_btree (int) ;