QueryError class final
Error during SQL query execution.
Can indicate:
- Invalid SQL syntax
- Constraint violation
- Query timeout
- Insufficient permissions
- Table/column not found
Check isRetryable before retrying. Most query errors are NOT retryable unless they are transient (e.g., deadlock, timeout).
Constructors
- QueryError({required String message, String? sqlState, int? nativeCode})
-
Creates a new QueryError instance.
const
Properties
- category → ErrorCategory
-
Returns the error category for decision-making.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- isConnectionError → bool
-
Returns true if this is a connection-related error.
no setterinherited
- isRetryable → bool
-
Returns true if the error is transient and may be retried.
no setterinherited
- message → String
-
Human-readable error message describing what went wrong.
finalinherited
- nativeCode → int?
-
Native error code from the database driver.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- sqlState → String?
-
SQLSTATE from ODBC error (e.g., '42S02' for table not found).
finalinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited