public virtual void NullableInt_literal_generated_correctly()
{
var typeMapping = new IntTypeMapping("int?", DbType.Int32);
Test_GenerateSqlLiteral_helper(typeMapping, default(int?), "NULL");
Test_GenerateSqlLiteral_helper(typeMapping, (int?)123, "123");
}
public virtual void Int_literal_generated_correctly()
{
var typeMapping = new IntTypeMapping("int", DbType.Int32);
Test_GenerateSqlLiteral_helper(typeMapping, int.MinValue, "-2147483648");
Test_GenerateSqlLiteral_helper(typeMapping, int.MaxValue, "2147483647");
}
public virtual void GenerateSqlLiteral_for_Int_works_for_range_limits()
{
var typeMapping = new IntTypeMapping("int", DbType.Int32);
var literal = typeMapping.GenerateSqlLiteral(int.MinValue);
Assert.Equal("-2147483648", literal);
literal = typeMapping.GenerateSqlLiteral(int.MaxValue);
Assert.Equal("2147483647", literal);
}
public void Can_create_simple_nullable_parameter_with_DbType()
{
var parameter = new IntTypeMapping("int", DbType.Int32)
.CreateParameter(CreateTestCommand(), "Name", 17, nullable: true);
Assert.Equal(ParameterDirection.Input, parameter.Direction);
Assert.Equal("Name", parameter.ParameterName);
Assert.Equal(17, parameter.Value);
Assert.Equal(DbType.Int32, parameter.DbType);
Assert.True(parameter.IsNullable);
}
public void Can_create_simple_parameter()
{
var parameter = new IntTypeMapping("int")
.CreateParameter(CreateTestCommand(), "Name", 17, nullable: false);
Assert.Equal(ParameterDirection.Input, parameter.Direction);
Assert.Equal("Name", parameter.ParameterName);
Assert.Equal(17, parameter.Value);
Assert.Equal(DefaultParameterType, parameter.DbType);
Assert.False(parameter.IsNullable);
}
void AddCustomizedMappings()
{
// Mappings where we need literal string generation
_baseClrMappings[typeof(string)] = _storeTypeMappings["text"] = new NpgsqlStringTypeMapping("text", NpgsqlDbType.Text);
_storeTypeMappings["varchar"] = new NpgsqlStringTypeMapping("varchar", NpgsqlDbType.Varchar);
_storeTypeMappings["char"] = new NpgsqlStringTypeMapping("char", NpgsqlDbType.Char);
_storeTypeMappings["citext"] = new NpgsqlStringTypeMapping("citext", NpgsqlDbType.Citext);
_storeTypeMappings["json"] = new NpgsqlStringTypeMapping("json", NpgsqlDbType.Json);
_storeTypeMappings["jsonb"] = new NpgsqlStringTypeMapping("jsonb", NpgsqlDbType.Jsonb);
_baseClrMappings[typeof(char)] = new CharTypeMapping("text", DbType.String);
_baseClrMappings[typeof(DateTime)] = _storeTypeMappings["timestamp"] = new DateTimeTypeMapping("timestamp", DbType.DateTime);
_baseClrMappings[typeof(DateTimeOffset)] = _storeTypeMappings["timestamptz"] = new NpgsqlDateTimeOffsetTypeMapping("timestamptz", DbType.DateTimeOffset);
_baseClrMappings[typeof(TimeSpan)] = _storeTypeMappings["interval"] = new NpgsqlTimeSpanTypeMapping();
_baseClrMappings[typeof(bool)] = _storeTypeMappings["bool"] = new NpgsqlBoolTypeMapping();
_baseClrMappings[typeof(decimal)] = new DecimalTypeMapping("numeric", DbType.Decimal);
// Note that "decimal" in PostgreSQL is just an alias for numeric, PostgreSQL itself always reports numeric for column types.
_baseClrMappings[typeof(Guid)] = _storeTypeMappings["uuid"] = new GuidTypeMapping("uuid", DbType.Guid);
_baseClrMappings[typeof(byte[])] = _storeTypeMappings["bytea"] = new NpgsqlByteArrayTypeMapping();
// The following isn't necessary for int itself - a simple ToString() (the default) produces the right
// literal representation. However, with an explicit int mapping the standard mapping would be returned
// for enums, and there a simple ToString produces the enum *name*.
// Example for test for enum literal: InheritanceNpgsqlTest.Can_query_just_roses
_baseClrMappings[typeof(short)] = _storeTypeMappings["int2"] = new ShortTypeMapping("int2", DbType.Int16);
_baseClrMappings[typeof(int)] = _storeTypeMappings["int4"] = new IntTypeMapping("int4", DbType.Int32);
_baseClrMappings[typeof(long)] = _storeTypeMappings["int8"] = new LongTypeMapping("int8", DbType.Int64);
// uint is special: there are three internal system uint types: oid, xid, cid. None are supposed to
// be truly user-facing, so we don't want to automatically map uint properties to any of them.
// However, if the user explicitly sets the properties store type to oid/xid/cid, we want to allow
// that (especially since the xmin system column is important for optimistic concurrency).
// EFCore doesn't allow a situation where a CLR type has no default store type, so we arbitrarily
// choose oid.
_baseClrMappings[typeof(uint)] = new NpgsqlBaseTypeMapping("oid", typeof(uint), NpgsqlDbType.Oid);
}
public virtual void GenerateSqlLiteral_returns_NullableInt_literal_when_not_null()
{
var literal = new IntTypeMapping("int?", DbType.Int32).GenerateSqlLiteral((int?)123);
Assert.Equal("123", literal);
}
