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Extend access(->, ->>), addition and subtraction operators #1258

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Oct 3, 2023
Merged

Extend access(->, ->>), addition and subtraction operators #1258

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30 changes: 30 additions & 0 deletions age--1.4.0.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -2894,6 +2894,36 @@ CREATE OPERATOR ->> (
FUNCTION = ag_catalog.agtype_object_field_text
);

CREATE FUNCTION ag_catalog.agtype_object_field_agtype(agtype, agtype)
RETURNS agtype
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';

-- get agtype object field or array element
CREATE OPERATOR -> (
LEFTARG = agtype,
RIGHTARG = agtype,
FUNCTION = ag_catalog.agtype_object_field_agtype
);

CREATE FUNCTION ag_catalog.agtype_object_field_text_agtype(agtype, agtype)
RETURNS text
LANGUAGE c
IMMUTABLE
RETURNS NULL ON NULL INPUT
PARALLEL SAFE
AS 'MODULE_PATHNAME';

-- get agtype object field or array element as text
CREATE OPERATOR ->> (
LEFTARG = agtype,
RIGHTARG = agtype,
FUNCTION = ag_catalog.agtype_object_field_text_agtype
);

CREATE FUNCTION ag_catalog.agtype_array_element(agtype, int4)
RETURNS agtype
LANGUAGE c
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