This is FireDAC error message not SQLite specific. I cannot reproduce it
when
using default FireDAC settings. But I think you must check Database
ResourceOptions
CmdExecMode. Change to am_NonBlocking. But I do not have to change that
by default.
Regards Radovan
On 25.11.2019 18:34, Edson wrote:
Hi everyone!
I am using SQLite, with Delphi XE Rio and Firedac and I don't know why, a
cited error message appeared.
I've tried everything to unlock the database: I renamed the .db file,
changed the folder file, turned off the notebook, etc.,
but I can't unlock the .db database.
The error occurs when trying to open the query a second time, for example:
1) first execution - OK
qry.active: = False;
qry.SQL.Clear;
qry.SQL.Add ('DELETE FROM TAB_USERS');
qry.ExecSQL;
2) second execution - ERROR
qry.active: = False;
qry.SQL.Clear;
qry.SQL.Add ('INSERT INTO TAB_USERS ... ... ...');
qry.ExecSQL;
The error is fired at the line "qry.SQL.Clear;"
I don't know what else to do ... Does anyone have any tips?
Thankful!
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