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Automatic name of the field for RDB$GET_CONTEXT is not generated in the union [CORE5924] #6182

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firebird-automations opened this issue Sep 25, 2018 · 1 comment

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@firebird-automations
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Submitted by: @livius2

SELECT RDB$GET_CONTEXT('SYSTEM', 'CURRENT_USER'), RDB$GET_CONTEXT('SYSTEM', 'CLIENT_ADDRESS'), R.RDB$CHARACTER_SET_NAME FROM RDB$DATABASE R
UNION
SELECT RDB$GET_CONTEXT('SYSTEM', 'CURRENT_USER'), RDB$GET_CONTEXT('SYSTEM', 'CLIENT_ADDRESS'), R.RDB$CHARACTER_SET_NAME FROM RDB$DATABASE R

without uniuon
'RDB$GET_CONTEXT', 'RDB$GET_CONTEXT', 'RDB$CHARACTER_SET_NAME'

with union
'', '', 'RDB$CHARACTER_SET_NAME'

@firebird-automations
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Modified by: @livius2

description: SELECT RDB$GET_CONTEXT('SYSTEM', 'CURRENT_USER'), RDB$GET_CONTEXT('SYSTEM', 'CLIENT_ADDRESS'), R.RDB$CHARACTER_SET_NAME FROM RDB$DATABASE R
UNION
SELECT RDB$GET_CONTEXT('SYSTEM', 'CURRENT_USER'), RDB$GET_CONTEXT('SYSTEM', 'CLIENT_ADDRESS'), R.RDB$CHARACTER_SET_NAME FROM RDB$DATABASE R

=>

SELECT RDB$GET_CONTEXT('SYSTEM', 'CURRENT_USER'), RDB$GET_CONTEXT('SYSTEM', 'CLIENT_ADDRESS'), R.RDB$CHARACTER_SET_NAME FROM RDB$DATABASE R
UNION
SELECT RDB$GET_CONTEXT('SYSTEM', 'CURRENT_USER'), RDB$GET_CONTEXT('SYSTEM', 'CLIENT_ADDRESS'), R.RDB$CHARACTER_SET_NAME FROM RDB$DATABASE R

without uniuon
'RDB$GET_CONTEXT', 'RDB$GET_CONTEXT', 'RDB$CHARACTER_SET_NAME'

with union
'', '', 'RDB$CHARACTER_SET_NAME'

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