28 lines
764 B
PL/PgSQL
28 lines
764 B
PL/PgSQL
--liquibase formatted sql
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-- ============================================================================
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-- INT-TO-VAR
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--changeset int-to-var:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/*
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Returns a textual representation of an integer number to be used as generated test data.
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Examples :
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intToVarChar(0, 3) => 'aaa'
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intToVarChar(1, 3) => 'aab'
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*/
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create or replace function intToVarChar(i integer, len integer)
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returns varchar
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language plpgsql as $$
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declare
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partial varchar;
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begin
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select chr(ascii('a') + i % 26) into partial;
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if len > 1 then
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return intToVarChar(i / 26, len - 1) || partial;
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else
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return partial;
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end if;
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end; $$;
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--//
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