Exception¶

class OCP\DB\Exception¶

Database exception

Thrown by Nextcloud’s database abstraction layer. This is the base class that
any specific exception will extend. Use this class in your try-catch to catch
*any* error related to the database. Use any of the subclasses in the same
namespace if you are only interested in specific errors.

Source:	lib/public/DB/Exception.php#41
Parent:	`Exception`

Constants¶

REASON_CONNECTION_LOST = 1

Nextcloud lost connection to the database

Source:	lib/public/DB/Exception.php#48
Since:	21.0.0

REASON_CONSTRAINT_VIOLATION = 2

A database constraint was violated

Source:	lib/public/DB/Exception.php#55
Since:	21.0.0

REASON_DATABASE_OBJECT_EXISTS = 3

A database object (table, column, index) already exists

Source:	lib/public/DB/Exception.php#62
Since:	21.0.0

REASON_DATABASE_OBJECT_NOT_FOUND = 4

A database object (table, column, index) can’t be found

Source:	lib/public/DB/Exception.php#69
Since:	21.0.0

REASON_DEADLOCK = 5

The database ran into a deadlock

Source:	lib/public/DB/Exception.php#76
Since:	21.0.0

REASON_DRIVER = 6

The database driver encountered an issue

Source:	lib/public/DB/Exception.php#83
Since:	21.0.0

REASON_FOREIGN_KEY_VIOLATION = 7

A foreign key constraint was violated

Source:	lib/public/DB/Exception.php#90
Since:	21.0.0

REASON_INVALID_ARGUMENT = 8

An invalid argument was passed to the database abstraction

Source:	lib/public/DB/Exception.php#97
Since:	21.0.0

REASON_INVALID_FIELD_NAME = 9

A field name was invalid

Source:	lib/public/DB/Exception.php#104
Since:	21.0.0

REASON_NON_UNIQUE_FIELD_NAME = 10

A name in the query was ambiguous

Source:	lib/public/DB/Exception.php#111
Since:	21.0.0

REASON_NOT_NULL_CONSTRAINT_VIOLATION = 11

A not null contraint was violated

Source:	lib/public/DB/Exception.php#118
Since:	21.0.0

REASON_SERVER = 12

A generic server error was encountered

Source:	lib/public/DB/Exception.php#125
Since:	21.0.0

REASON_SYNTAX_ERROR = 13

A syntax error was reported by the server

Source:	lib/public/DB/Exception.php#132
Since:	21.0.0

REASON_UNIQUE_CONSTRAINT_VIOLATION = 14

A unique constraint was violated

Source:	lib/public/DB/Exception.php#139
Since:	21.0.0

Methods¶

public OCP\DB\Exception::getReason()¶

Source:	lib/public/DB/Exception.php#146
Returns:	int \| null
Since:	21.0.0