IsDuplicate checks whether an error is a duplicate key error, which comes when processes are competing on creating the same tables in the database.

Converts a list of strings into a list of query parameters and a named parameter map that can be used as part of a SQL query.

VersionString converts an integer representation of a DB version to a pretty-printed string.

WithMaster adds the context value that master DB should be selected for this request.

15 mins.

30 mins.

15 mins.

This is a numerical version string by postgres.

see https://dev.mysql.com/doc/mysql-errors/5.7/en/server-error-reference.html#error_er_table_exists_error.

see https://github.com/lib/pq/blob/master/error.go#L268.

ColumnInfo holds information about a column.

RetentionPolicyBatchDeletionInfo gives information on how to delete records under a retention policy; see `genericPermanentDeleteBatchForRetentionPolicies`.

SqlBotStore is a store for managing bots in the database.

SqlLicenseStore encapsulates the database writes and reads for model.LicenseRecord objects.