FireDAC.Stan.Error.TFDCommandExceptionKind
Delphi
TFDCommandExceptionKind = (ekOther, ekNoDataFound, ekTooManyRows,
ekRecordLocked, ekUKViolated, ekFKViolated, ekObjNotExists,
ekUserPwdInvalid, ekUserPwdExpired, ekUserPwdWillExpire, ekCmdAborted,
ekServerGone, ekServerOutput, ekArrExecMalfunc, ekInvalidParams);
C++
enum DECLSPEC_DENUM TFDCommandExceptionKind : unsigned int { ekOther, ekNoDataFound, ekTooManyRows, ekRecordLocked, ekUKViolated, ekFKViolated, ekObjNotExists, ekUserPwdInvalid, ekUserPwdExpired, ekUserPwdWillExpire, ekCmdAborted, ekServerGone, ekServerOutput, ekArrExecMalfunc, ekInvalidParams };
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| enum | public | FireDAC.Stan.Error.pas FireDAC.Stan.Error.hpp |
FireDAC.Stan.Error | FireDAC.Stan.Error |
Description
Represents the kinds of exceptions that can occur in response to any FireDAC component communicating with a database.
| Exception | Description |
|---|---|
|
ekOther |
The error does not fall into any of the categories listed below. |
|
ekNoDataFound |
A query requesting an exact specified number of rows returned more rows than requested. |
|
ekTooManyRows |
A query requesting an exact specified number of rows returned no rows. |
|
ekRecordLocked |
A trial to update or lock some rows failed because some of these rows are already locked by another session. |
|
ekUKViolated |
A trial to modify the database failed with a unique constraint violation. |
|
ekFKViolated |
A trial to modify the database failed with a primary key constraint violation. |
|
ekObjNotExists |
The DROP command failed because the specified object does not exist. |
|
ekUserPwdInvalid |
A password and/or a user name that was specified for login to the database are not correct. |
|
ekUserPwdExpired |
A password or user account that was specified for login to the database has expired. |
|
ekUserPwdWillExpire |
A password or user account that was specified for login to the database will expire. |
|
ekCmdAborted |
A currently executing database request was aborted by the calling application. |
|
ekServerGone |
A database or database server is not accessible, or an existing database session was terminated for some reason. |
|
ekServerOutput |
A database server provided some non-error and non-warning informational messages. |
|
ekArrExecMalfunc |
An Array DML request failed due to some system failure or constraints. |
|
ekInvalidParams |
An SQL command contains invalid parameter specifiers. |