429247f407
* [COMPLIANCE] Update Copyright and License Headers * chore: make gen to generate files with copyright headers * chore: update missed copyright headers --------- Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com> Co-authored-by: Justin Nguyen <justin.nguyen@hashicorp.com>
28 lines
888 B
PL/PgSQL
28 lines
888 B
PL/PgSQL
-- Copyright IBM Corp. 2020, 2025
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-- SPDX-License-Identifier: BUSL-1.1
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begin;
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-- kms_version_column() will increment the version column whenever row data
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-- is inserted and should only be used in an before insert trigger. This
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-- function will overwrite any explicit values to the version column.
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create or replace function kms_version_column() returns trigger
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as $$
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declare
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_key_id text;
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_max bigint;
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begin
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execute format('SELECT $1.%I', tg_argv[0]) into _key_id using new;
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execute format('select max(version) + 1 from %I where %I = $1', tg_relid::regclass, tg_argv[0]) using _key_id into _max;
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if _max is null then
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_max = 1;
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end if;
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new.version = _max;
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return new;
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end;
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$$ language plpgsql;
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comment on function kms_version_column() is
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'function used in before insert triggers to properly set version columns for kms_* tables with a version column';
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commit;
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