IMapperInsertIfNotExistsAsyncT Method (T, Boolean, NullableInt32, CqlQueryOptions) |
Inserts the specified POCO in Cassandra, if not exists.
Namespace: Cassandra.MappingAssembly: Cassandra (in Cassandra.dll) Version: 3.2.0
Syntax Task<AppliedInfo<T>> InsertIfNotExistsAsync<T>(
T poco,
bool insertNulls,
Nullable<int> ttl,
CqlQueryOptions queryOptions = null
)
Parameters
- poco
- Type: T
The POCO instance - insertNulls
- Type: SystemBoolean
Determines if the query must be generated using NULL values for null POCO
members.
Use false if you don't want to consider null values for the INSERT
operation (recommended).
Use true if you want to override all the values in the table,
generating tombstones for null values.
- ttl
- Type: SystemNullableInt32
Time to live (in seconds) for the inserted values. If set, the inserted values are automatically removed
from the database after the specified time. - queryOptions (Optional)
- Type: Cassandra.MappingCqlQueryOptions
Optional query options
Type Parameters
- T
Return Value
Type:
TaskAppliedInfoTSee Also