Method
EBackendCacheforeach
since: 3.26
Declaration [src]
gboolean
e_cache_foreach (
ECache* cache,
ECacheDeletedFlag deleted_flag,
const gchar* where_clause,
ECacheForeachFunc func,
gpointer user_data,
GCancellable* cancellable,
GError** error
)
Description [src]
Calls func for each found object, which satisfies the criteria
for both deleted_flag and where_clause.
Note the func should not call any SQLite commands, because it’s invoked
within a SELECT statement execution.
Available since: 3.26
Parameters
deleted_flag-
Type:
ECacheDeletedFlagOne of
ECacheDeletedFlagenum. where_clause-
Type:
const gchar*An optional SQLite WHERE clause part, or
NULL.The argument can be NULL.The data is owned by the caller of the method. The value is a NUL terminated UTF-8 string. func-
Type:
ECacheForeachFuncAn
ECacheForeachFuncfunction to call for each object. user_data-
Type:
gpointerUser data for the
func.The argument can be NULL.The data is owned by the caller of the method. cancellable-
Type:
GCancellableOptional
GCancellableobject, orNULL.The argument can be NULL.The data is owned by the caller of the method. error-
Type:
GError **The return location for a recoverable error.
The argument can be NULL.If the return location is not NULL, then you must initialize it to aNULLGError*.The argument will be left initialized to NULLby the method if there are no errors.In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.