Bug if use Replace with parameter
---------------------------------
Key: DNET-840
URL: http://tracker.firebirdsql.org/browse/DNET-840
Project: .NET Data provider
Issue Type: Bug
Components: ADO.NET Provider
Affects Versions: 6.1.0.0
Environment: win64, fb3.0.1
Reporter: jack128
Assignee: Jiri Cincura
script to create db:
CREATE DATABASE
'localhost:C:\Data\TEMP_3ED4BB49-EE30-4D79-8038-EBC5C24C536D.FDB'
USER 'SYSDBA' PASSWORD 'masterkey';
create table TempTable (caption varchar(255));
insert into TempTable values('1');
commit;
test:
static void Main(string[] args)
{
var filename =
@"C:\Data\Temp_3ED4BB49-EE30-4D79-8038-EBC5C24C536D.fdb";
var connectionString = new FbConnectionStringBuilder
{
UserID = "SYSDBA",
Password = "masterkey",
Database = filename,
}.ConnectionString;
using (var conn = new FbConnection(connectionString))
{
conn.Open();
using (var command = conn.CreateCommand())
{
const string sql = @"select * from TempTable t where
t.caption like Replace(@p, '~', '~~')"; // this query does not return row,
although should
//const string sql = @"select * from TempTable t where
t.caption like @p"; // this query returns row as expected
command.CommandText = sql;
var p = command.CreateParameter();
p.ParameterName = "p";
p.Value = "1";
command.Parameters.Add(p);
using (var reader = command.ExecuteReader())
{
if (!reader.Read())
throw new Exception("1 row should be returned");
}
}
}
}
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