On 3/21/2017 8:36 PM, Marc Kaufmann wrote:
Thanks. But I have to turn it into a string before storing it in the
database; when I tried to store a serialized list in it (in a VARCHAR
field), it complained that it expected a string. That's where all the
trouble came from. The trouble I had was parsing the string back into
the serialized form, which 'with-input-from-string does (because, I
presume, it treats the contents of the string as the input, rather
than the string itself).
Of course, if there is a way to store serialized data directly in the
database, that would be great - but -- except for arrays in a Postgre
database -- that doesn't seem to be the case.
Serialize produce a list. You might try storing it as JSON. Postgresql
can parse and search JSON values.
https://www.postgresql.org/docs/current/static/datatype-json.html
https://www.postgresql.org/docs/current/static/functions-json.html
George
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