[GENERAL] Removing null bytes from a json column
| От | Timothy Garnett |
|---|---|
| Тема | [GENERAL] Removing null bytes from a json column |
| Дата | |
| Msg-id | CAPcyiQ3fSB9T2q+OvyF_rmi8WAD9p1FdDMTw5izaQLE1qjUTYw@mail.gmail.com обсуждение исходный текст |
| Ответы |
Re: [GENERAL] Removing null bytes from a json column
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| Список | pgsql-general |
Does anyone have some tips on how to deal with an existing json type column that has some null bytes ( \u0000) in it? It seems like anything I do that touches any row with a null byte just errors. I'd love to just remove them if I could find some way to find them, but I'm having trouble even figuring out how to do that.
This error I get is always:
PG::UntranslatableCharacter: ERROR: unsupported Unicode escape sequence
DETAIL: \u0000 cannot be converted to text.
CONTEXT: JSON data, line 1:
...st_name":"efxkerbs","company":"efxkerbs","email":...
Convert the column to jsonb -> errors.
Trying to find one of the offending rows:
select id from xxx where command->'args'->2->>'company' = 'efxkerbs';
- same error on \u0000
select id from issued_crm_commands where command->'args'->2->'company' = '"efxkerbs"':json;
- no equality operator between json
select id from issued_crm_commands where command->'args'->2->'company'::bytea = 'efxkerbs'::bytea;
- no conversion from json to bytea
Any ideas on how to find rows with a \u0000 in the json?
Tim
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