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Common error codes
Applications should check the status of every submitted SQL command.
Some error conditions (as noted below) do not result in an error message.
0 success. 1 requested record not found. No message is issued. 7 record locked by another identity and unavailable for update. No message is issued. This code may be returned by SHSQL_sql() when a UPDATE or DELETE command is submitted, and by SHSQL_getrow() when SELECT..FOR UPDATE encounters a locked row. 9 the table is write-locked and the process couldn't gain access. This code may be returned by SHSQL_sql() when an INSERT, UPDATE, DELETE or SELECT..FOR UPDATE command is submitted. 20 attempt to update a database that has been set to read-only. This code may be returned by SHSQL_sql() when an INSERT, UPDATE, DELETE or SELECT..FOR UPDATE command is submitted.
Other - see the error message text.
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