private async Task <List <SqlColumnInfo> > GetTableSchema(SqlQueryExecutor queryExecutor, string tablePath)
{
var databaseName = tablePath.Split('.').First();
var tableName = tablePath.Split('.').Last().Replace("[", "").Replace("]", "");
var query = "SELECT COLUMN_NAME, IS_NULLABLE, DATA_TYPE "
+ $"FROM {databaseName}.INFORMATION_SCHEMA.COLUMNS "
+ $"WHERE TABLE_NAME = '{tableName}'";
var columns = queryExecutor.ExecuteReaderAsync(query);
var columnInformation = new List <SqlColumnInfo>();
await foreach (var column in columns)
{
var columnName = (string)column["COLUMN_NAME"];
var isNullable = column["IS_NULLABLE"].Equals("YES");
var dataType = (string)column["DATA_TYPE"];
columnInformation.Add(new SqlColumnInfo(columnName, isNullable, dataType));
}
return(columnInformation);
}
public MssqlRdDataStorage(
string id,
string serverAddress,
string databaseName,
string sqlUserName,
string sqlUserPassword,
IIdGeneratorManager idGeneratorManager)
{
Id = id;
this.databaseName = databaseName;
this.idGeneratorManager = idGeneratorManager;
var sqlConnectionString = new SqlConnectionStringBuilder
{
DataSource = serverAddress,
InitialCatalog = databaseName,
UserID = sqlUserName,
Password = sqlUserPassword
}.ConnectionString;
queryBuilder = new QueryBuilder(fieldName => fieldName.Replace('.', GenericDataContainerTraversal.PathDelimiter));
sqlQueryExecutor = new SqlQueryExecutor(sqlConnectionString);
}
public SqlTableSetup(
string dataType,
string server,
string tableName,
string username,
string passwordEnvironmentVariable,
string idColumnName)
{
DataType = dataType;
Server = server;
TableName = tableName;
Username = username;
PasswordEnvironmentVariable = passwordEnvironmentVariable;
IdColumnName = idColumnName;
ConnectionString = new SqlConnectionStringBuilder
{
DataSource = server,
UserID = username,
Password = Secrets.Get(passwordEnvironmentVariable)
}.ConnectionString;
QueryExecutor = new SqlQueryExecutor(ConnectionString);
ReservationContainerBuilder = new ReservationContainerBuilder(QueryExecutor, TableName);
}
public ReservationContainerBuilder(SqlQueryExecutor queryExecutor, string tableName)
{
columnInfos = Task.Run(async() => await GetTableSchema(queryExecutor, tableName)).Result;
}
