public override RowsetBase Execute(ICRUDQueryExecutionContext context, Query query, bool oneRow = false)
{
var ctx = (MongoDBCRUDQueryExecutionContext)context;
NFX.DataAccess.MongoDB.Connector.Collection collection;
var qry = MakeQuery(ctx.Database, query, out collection);
var rrow = new TResult();
var sw = Stopwatch.StartNew();
rrow.Count = collection.Count(qry);//Performs server-side count over query
rrow.Interval = sw.Elapsed;
var result = new Rowset(Schema.GetForTypedRow(typeof(TResult)));
result.Add(rrow);
return result;
}
public void Rowset_FromJSON(bool rowsAsMap)
{
var row = new TeztRow();
var src = new Rowset(row.Schema);
row.BoolField = true;
row.CharField = 'a';
row.StringField = "aaa";
row.DateTimeField = new DateTime(2016, 1, 2);
row.GDIDField = new GDID(1, 2, 3);
row.ByteField = 100;
row.ShortField = -100;
row.IntField = -999;
row.UIntField = 254869;
row.LongField = -267392;
row.FloatField = 32768.32768F;
row.DoubleField = -1048576.1048576D;
row.DecimalField = 1.0529M;
row.NullableField = null;
row.ArrayInt = new int[] {-1, 0, 1};
row.ListString = new List<string> {"one", "two", "three"};
row.DictionaryIntStr = new Dictionary<int, string>
{
{1, "first"},
{2, "second"}
};
row.RowField = new Person { Name = "John", Age = 20 };
src.Add(row);
row.BoolField = false;
row.CharField = 'b';
row.StringField = "bbb";
row.DateTimeField = new DateTime(2016, 2, 1);
row.GDIDField = new GDID(4, 5, 6);
row.ByteField = 101;
row.ShortField = 100;
row.IntField = 999;
row.UIntField = 109876;
row.LongField = 267392;
row.FloatField = -32768.32768F;
row.DoubleField = -048576.1048576D;
row.DecimalField = -1.0529M;
row.NullableField = null;
row.ArrayInt = new int[] {1, 0, -1};
row.ListString = new List<string> { "three","two", "one" };
row.DictionaryIntStr = new Dictionary<int, string>
{
{0, "zero"},
{1, "first"},
{2, "second"}
};
row.RowField = new Person { Name = "Ann", Age = 19 };
src.Add(row);
var options = new NFX.Serialization.JSON.JSONWritingOptions
{
RowsetMetadata = true,
SpaceSymbols = true,
IndentWidth = 2,
MemberLineBreak = true,
ObjectLineBreak = true,
RowsAsMap = rowsAsMap
};
var json = src.ToJSON(options);
var trg = RowsetBase.FromJSON(json);
schemaAssertions(trg.Schema, src.Schema);
rowsAssertions(src, trg, rowsAsMap);
}
public void Rowset_FromJSON_FieldMissed(bool rowsAsMap)
{
var row = new Person { Name = "Henry", Age = 43 };
var rowSet = new Rowset(row.Schema);
rowSet.Add(row);
var options = new NFX.Serialization.JSON.JSONWritingOptions
{
RowsetMetadata = true,
RowsAsMap = rowsAsMap
};
var json = rowSet.ToJSON(options);
var map = JSONReader.DeserializeDataObject( json ) as JSONDataMap;
var rows = (map["Rows"] as IList<object>);
if (rowsAsMap)
{
var pers = rows[0] as IDictionary<string, object>;
pers.Remove("Age");
}
else
{
var pers = rows[0] as IList<object>;
pers.RemoveAt(1);
}
bool allMatched;
var trg = RowsetBase.FromJSON(map, out allMatched);
Assert.IsFalse(allMatched);
var trgRow = trg[0];
Assert.AreEqual(trgRow.Schema.FieldCount, 2);
Assert.AreEqual(trgRow["Name"], "Henry");
Assert.IsNull(trgRow["Age"]);
}
public void JSON_SerializeRow_ComplexTypedRow_WithSchema()
{
var row1 = new PersonWithNesting{
ID = "A1",
FirstName = "Joseph",
LastName = "Mc'Cloud",
DOB = new DateTime(1953, 12, 10),
YearsInSpace = 12,
LatestHistory = new HistoryItem{ ID = "111", StartDate = DateTime.Now, Description="Chaplin" },
History1 = new List<HistoryItem>
{
new HistoryItem{ ID = "789211", StartDate = DateTime.Now, Description="Chaplin with us" },
new HistoryItem{ ID = "234234", StartDate = DateTime.Now, Description="Chaplin with you" }
},
History2 = new HistoryItem[2]
};
var tbl1 = new Rowset(row1.Schema);
tbl1.Add(row1);
var json = tbl1.ToJSON( new NFX.Serialization.JSON.JSONWritingOptions
{
RowsetMetadata = true,
SpaceSymbols = true,
IndentWidth = 2,
MemberLineBreak = true,
ObjectLineBreak = true,
RowsAsMap = true,
Purpose = JSONSerializationPurpose.Marshalling
});//AS MAP
Console.WriteLine(json);
var tbl2 = json.JSONToDynamic();
var row2 = tbl2.Rows[0];
Assert.AreEqual("A1", row2.ID);
Assert.AreEqual("Joseph", row2.FirstName);
Assert.AreEqual("Mc'Cloud",row2.LastName);
Assert.AreEqual("111", row2.LatestHistory.ID);
Assert.AreEqual(2, row2.History1.Count);
Assert.AreEqual("234234", row2.History1[1].ID);
}
/// <summary>
/// Reads data from reader into rowset. the reader is NOT disposed
/// </summary>
public static Rowset PopulateRowset(MySQLCRUDQueryExecutionContext context, MySqlDataReader reader, string target, Query query, QuerySource qSource, bool oneRow)
{
Schema.FieldDef[] toLoad;
Schema schema = GetSchemaForQuery(target, query, reader, qSource, out toLoad);
var store= context.DataStore;
var result = new Rowset(schema);
while(reader.Read())
{
var row = PopulateRow(context, query.ResultRowType, schema, toLoad, reader);
result.Add( row );
if (oneRow) break;
}
return result;
}
/// <summary>
/// Converts ErlCRUD response to CLR CRUD rowset
/// </summary>
/// <remarks>
/// An Example data packet is field defs as speced in schema:
/// "tca_jaba": has two field in PK
/// [
/// {tca_jaba, {1234, tav}, "User is cool", true},
/// {tca_jaba, {2344, zap}, "A bird wants to drink", false},
/// {tca_jaba, {8944, tav}, "Have you seen this?", false}
/// ]
///
/// "aaa": has one field in PK - notice no tuple in key
/// [
/// {aaa, 1234, tav, "User is cool", true},
/// {aaa, 2344, zap, "A bird wants to drink", false},
/// {aaa, 8944, tav, "Have you seen this?", false}
/// ]
/// </remarks>
public RowsetBase ErlCRUDResponseToRowset(string schemaName, ErlList erlData)
{
var crudSchema = GetCRUDSchemaForName(schemaName);
var result = new Rowset(crudSchema);
foreach(var elm in erlData)
{
var tuple = elm as ErlTuple;
if (tuple==null)
throw new ErlDataAccessException(StringConsts.ERL_DS_INVALID_RESPONSE_PROTOCOL_ERROR+"ErlCRUDResponseToRowset(list element is not tuple)");
var row = ErlTupleToRow(schemaName, tuple, crudSchema);
result.Add( row );
}
return result;
}
public RowsetBase Execute(ICRUDQueryExecutionContext context, Query query, bool oneRow = false)
{
var ctx = (MySQLCRUDQueryExecutionContext)context;
var target = ctx.DataStore.TargetName;
Rowset result = null;
using (var cmd = ctx.Connection.CreateCommand())
{
cmd.CommandText = m_Source.StatementSource;
PopulateParameters(cmd, query);
cmd.Transaction = ctx.Transaction;
MySqlDataReader reader = null;
try
{
reader = oneRow ? cmd.ExecuteReader(CommandBehavior.SingleRow) : cmd.ExecuteReader();
GeneratorUtils.LogCommand(ctx.DataStore.LogLevel, "queryhandler-ok", cmd, null);
}
catch(Exception error)
{
GeneratorUtils.LogCommand(ctx.DataStore.LogLevel, "queryhandler-error", cmd, error);
throw;
}
using (reader)
{
Schema.FieldDef[] toLoad;
Schema schema = getSchema(target, query, reader, out toLoad);
result = new Rowset(schema);
while(reader.Read())
{
var row = Row.MakeRow(schema, query.ResultRowType);
for (int i = 0; i < reader.FieldCount; i++)
{
var fdef = toLoad[i];
if (fdef==null) continue;
var val = reader.GetValue(i);
if (fdef.NonNullableType==typeof(bool))
row[fdef.Order] = val.AsNullableBool();
else
row[fdef.Order] = val;
}
result.Add( row );
if (oneRow) break;
}
}//using reader
}//using command
return result;
}
/// <summary>
/// Converts ErlCRUD response to CLR CRUD rowset
/// </summary>
/// <remarks>
/// An Example data packet is field defs as speced in schema:
/// "tca_jaba": has two field in PK
/// [
/// {tca_jaba, {1234, tav}, "User is cool", true},
/// {tca_jaba, {2344, zap}, "A bird wants to drink", false},
/// {tca_jaba, {8944, tav}, "Have you seen this?", false}
/// ]
///
/// "aaa": has one field in PK - notice no tuple in key
/// [
/// {aaa, 1234, tav, "User is cool", true},
/// {aaa, 2344, zap, "A bird wants to drink", false},
/// {aaa, 8944, tav, "Have you seen this?", false}
/// ]
/// </remarks>
public RowsetBase ErlCRUDResponseToRowset(string schemaName, ErlList erlData, Type tRow = null)
{
var crudSchema = GetCRUDSchemaForName(schemaName);
var tSchema = tRow == null
? crudSchema
: Schema.GetForTypedRow(tRow);
var result = new Rowset(tSchema);
foreach(var elm in erlData)
{
var tuple = elm as ErlTuple;
if (tuple==null)
throw new ErlDataAccessException(StringConsts.ERL_DS_INVALID_RESP_PROTOCOL_ERROR+"ErlCRUDResponseToRowset(list element is not tuple)");
var row = ErlTupleToRow(schemaName, tuple, crudSchema);
if (tRow != null)
{
var trow = Row.MakeRow(tSchema, tRow);
row.CopyFields(trow);
row = trow;
}
result.Add( row );
}
return result;
}
