python - Update the mysql table row of column type JsonBlob -

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consider structure of table field 'extra' follows:

extra = sql.column(sql.jsonblob())

so of jsonblob type.

now need update values in field 'extra'.

when trying update 'extra' value, ends in error follows:

  file "basic_test.py", line 38     sql = "update project set extra=('{"creation_date": "%s"}') id=('%s')" % (date, tenant_id)                                                     ^ syntaxerror: invalid syntax

code have tried follows:

    import datetime     mylist = []     today = datetime.date.today()     mylist.append(today)     date = mylist[0]      tenant_id = '1578f81703ec4bbaa1d548532c922ab9'      sql = "update project set extra='{"creation_date": "%s"}' id=('%s')" % (date, tenant_id)     cur.execute(sql)

note:

for example, providing here same type of data used in table.

i have selected rows table , providing sample here.

('{"email": "test@example.com"}',) <type 'tuple'>

so type of data being stored in field.

some 1 have , let me know comments.

let me know if needs more information.

thanks in advance.

i found answer myself.

extra = '{"creation_date": "%s"}' % date  sql = "update project set extra=('%s') id=('%s')" % (extra, tenant_id)

changed query above can able see db table getting updated needed correctly.


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