50 lines
1.4 KiB
PL/PgSQL
50 lines
1.4 KiB
PL/PgSQL
create or replace function ems.fn_ev_session_apply_patch(
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p_site_id int,
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p_session_id int,
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p_patch jsonb
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)
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returns jsonb
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language plpgsql
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as $fn$
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declare
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v_id int;
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begin
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if not (p_patch ? 'target_soc_pct') and not (p_patch ? 'target_deadline') then
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return jsonb_build_object('success', false, 'error', 'no_fields');
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end if;
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update ems.ev_session es
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set
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target_soc_pct = case
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when p_patch ? 'target_soc_pct' then
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case
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when p_patch->'target_soc_pct' is null
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or jsonb_typeof(p_patch->'target_soc_pct') = 'null' then null
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else (p_patch->>'target_soc_pct')::double precision
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end
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else es.target_soc_pct
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end,
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target_deadline = case
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when p_patch ? 'target_deadline' then
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case
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when p_patch->'target_deadline' is null
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or jsonb_typeof(p_patch->'target_deadline') = 'null' then null
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else (p_patch->>'target_deadline')::timestamptz
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end
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else es.target_deadline
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end
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where es.id = p_session_id
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and es.site_id = p_site_id
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returning es.id into v_id;
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if v_id is null then
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return jsonb_build_object('success', false, 'session_id', null);
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end if;
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return jsonb_build_object('success', true, 'session_id', v_id);
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end;
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$fn$;
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comment on function ems.fn_ev_session_apply_patch(int, int, jsonb) is
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'PATCH EV session – jen klíče přítomné v JSON (ISO string pro deadline).';
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