/// <summary>
/// Executes <see cref="UpdateStatement{TEntity}"/> and updates cached objects
/// </summary>
/// <param name="stmt"></param>
/// <typeparam name="TEntity"></typeparam>
public void Update <TEntity>(UpdateStatement <TEntity> stmt)
{
var conn = _connection;
if (conn.State != ConnectionState.Open)
{
conn.Open();
}
using var cmd = conn.CreateCommand();
cmd.CommandText = stmt.AsSqlString();
cmd.Transaction = _transaction;
foreach (var(type, id, value) in stmt.GetParameters())
{
var param = cmd.CreateParameter();
param.Value = value;
param.DbType = type;
param.ParameterName = id;
cmd.Parameters.Add(param);
}
using var reader = new CachedDataReader(
_ctx.Cache,
stmt.Entity,
cmd.ExecuteReader(),
_ctx
);
// consume update query to execute reader
foreach (var _ in reader.ReadAll().ToList())
{
}
}
public void TestSimpleStatement()
{
var updateStatement = new UpdateStatement(
TestEntity,
new List<IWhereFilter>(),
new List<UpdateColumnStatement>() {
UpdateStatements[0]
}
);
Assert.AreEqual("UPDATE table_name t1 SET column1 = @a;", updateStatement.AsSqlString());
}
public void TestWithMultipleUpdate()
{
var updateStatement = new UpdateStatement(
TestEntity,
new List<IWhereFilter>() { WhereFilters[0] },
UpdateStatements
);
Assert.AreEqual("UPDATE table_name t1 SET column1 = @a, column2 = @b WHERE t1.column2 = @test2;", updateStatement.AsSqlString());
}
public void TestWithWhere()
{
var updateStatement = new UpdateStatement(
TestEntity,
new List<IWhereFilter>() { WhereFilters[0] },
new List<UpdateColumnStatement>() { UpdateStatements[1] }
);
Assert.AreEqual("UPDATE table_name t1 SET column2 = @b WHERE t1.column2 = @test2;", updateStatement.AsSqlString());
}
