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== `sqlite/backup.hpp`
[#backup]
Backup is a small wrapper function to create a backup of one database into another.
This can be useful to write an in memory database to disk et vice versa.
[source,cpp]
----
void
backup(connection & source,
connection & target,
cstring_ref source_name = "main",
cstring_ref target_name = "main");
void
backup(connection & source,
connection & target,
cstring_ref source_name,
cstring_ref target_name,
system::error_code & ec,
error_info & ei);
----
source:: The source database to backup
target:: The target of the backup
source_name:: The source database to read the backup from. Default is 'main'.
target_name:: The target database to write the backup to. Default is 'main'.
.Example
[source,cpp]
----
sqlite::connection conn{sqlite::in_memory};
{
sqlite::connection read{"./read_only_db.db", SQLITE_READONLY};
// read peristed data into memory.
backup(read, target);
}
----
|
