public override bool HasTables()
{
var optionsExtensions = CassandraOptionsExtension.Extract(_relationalConnectionDependencies.ContextOptions);
var sql = $"SELECT count(*) FROM system_schema.tables WHERE keyspace_name='{optionsExtensions.DefaultKeyspace}'";
var result = Dependencies.ExecutionStrategyFactory.Create().Execute(_relationalConnection, connection => (long)_rawSqlCommandBuilder.Build(sql).ExecuteScalar(
new RelationalCommandParameterObject(connection, null, null, null, null)
) > 0);
return(result);
}
public CassandraHistoryRepository(RelationalConnectionDependencies relationalConnectionDependencies, HistoryRepositoryDependencies dependencies)
{
var cassandraOptionsExtension = CassandraOptionsExtension.Extract(relationalConnectionDependencies.ContextOptions);
Dependencies = dependencies;
var relationalOptions = RelationalOptionsExtension.Extract(dependencies.Options);
TableName = relationalOptions?.MigrationsHistoryTableName ?? DefaultTableName;
TableSchema = cassandraOptionsExtension.DefaultKeyspace;
EnsureModel();
}
public CassandraMigrationsModelDiffer(RelationalConnectionDependencies relationalConnectionDependencies, IRelationalTypeMappingSource typeMappingSource, IMigrationsAnnotationProvider migrationsAnnotations, IChangeDetector changeDetector, IUpdateAdapterFactory updateAdapterFactory, CommandBatchPreparerDependencies commandBatchPreparerDependencies) : base(typeMappingSource, migrationsAnnotations, changeDetector, updateAdapterFactory, commandBatchPreparerDependencies)
{
_cassandraOptionsExtension = CassandraOptionsExtension.Extract(relationalConnectionDependencies.ContextOptions);
}
public EFCassandraDbConnection(ICurrentDbContext currentDbContext, string connectionString, RelationalConnectionDependencies dependencies) : base(connectionString)
{
_currentDbContext = currentDbContext;
_cassandraOptionsExtension = CassandraOptionsExtension.Extract(dependencies.ContextOptions);
_connectionStringBuilder = new CassandraConnectionStringBuilder(connectionString);
}
public CassandraCommandBatchPreparer(RelationalConnectionDependencies relationalConnectionDependencies, CommandBatchPreparerDependencies dependencies) : base(dependencies)
{
_cassandraOptionsExtension = CassandraOptionsExtension.Extract(relationalConnectionDependencies.ContextOptions);
}
public EFCassandraDbConnection(string connectionString, RelationalConnectionDependencies dependencies) : base(connectionString)
{
_cassandraOptionsExtension = CassandraOptionsExtension.Extract(dependencies.ContextOptions);
}
