# Functions
ErrorContains checks whether an error contains a needle.
IsMysqlError checks whether an error is a Mysql error of a certain type.
# Constants
DeadlockError represents the mysql error "Deadlock found when trying to get lock; try restarting transaction".
DuplicateEntryError represents a mysql Duplicate Entry Error.
ForeignConstraintError represents a mysql Foreign Constraint Error.
LockWaitTimeoutExceededError represents a mysql Lock Wait Timeout Exceeded Error.
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# Type aliases
MysqlErrorNumber represents the code number of a mysql error.