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This commit is contained in:
Evgeniy Gatov 2015-06-15 13:40:28 +03:00
commit 7e5801e303
13 changed files with 433 additions and 101 deletions
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1
dbms/include/DB/DataTypes/DataTypeTuple.h
View File

@ -138,6 +138,7 @@ public:
{
ColumnWithNameAndType col;
col.column = elems[i]->createColumn();
col.type = elems[i]->clone();
tuple_block.insert(col);
}
return new ColumnTuple(tuple_block);

214
dbms/include/DB/Functions/FunctionsComparison.h
View File

@ -26,6 +26,10 @@ namespace DB
* - даты;
* - даты-с-временем;
* внутри каждой группы, но не из разных групп.
*
* Исключение: можно сравнивать дату и дату-с-временем с константной строкой. Пример: EventDate = '2015-01-01'.
*
* TODO Массивы, кортежи.
*/
/** Игнорируем warning о сравнении signed и unsigned.
@ -391,9 +395,9 @@ public:
private:
template <typename T0, typename T1>
bool executeNumRightType(Block & block, const ColumnNumbers & arguments, size_t result, const ColumnVector<T0> * col_left)
bool executeNumRightType(Block & block, size_t result, const ColumnVector<T0> * col_left, const IColumn * col_right_untyped)
{
if (ColumnVector<T1> * col_right = typeid_cast<ColumnVector<T1> *>(&*block.getByPosition(arguments[1]).column))
if (const ColumnVector<T1> * col_right = typeid_cast<const ColumnVector<T1> *>(col_right_untyped))
{
ColumnUInt8 * col_res = new ColumnUInt8;
block.getByPosition(result).column = col_res;
@ -404,7 +408,7 @@ private:
return true;
}
else if (ColumnConst<T1> * col_right = typeid_cast<ColumnConst<T1> *>(&*block.getByPosition(arguments[1]).column))
else if (const ColumnConst<T1> * col_right = typeid_cast<const ColumnConst<T1> *>(col_right_untyped))
{
ColumnUInt8 * col_res = new ColumnUInt8;
block.getByPosition(result).column = col_res;
@ -420,9 +424,9 @@ private:
}
template <typename T0, typename T1>
bool executeNumConstRightType(Block & block, const ColumnNumbers & arguments, size_t result, const ColumnConst<T0> * col_left)
bool executeNumConstRightType(Block & block, size_t result, const ColumnConst<T0> * col_left, const IColumn * col_right_untyped)
{
if (ColumnVector<T1> * col_right = typeid_cast<ColumnVector<T1> *>(&*block.getByPosition(arguments[1]).column))
if (const ColumnVector<T1> * col_right = typeid_cast<const ColumnVector<T1> *>(col_right_untyped))
{
ColumnUInt8 * col_res = new ColumnUInt8;
block.getByPosition(result).column = col_res;
@ -433,7 +437,7 @@ private:
return true;
}
else if (ColumnConst<T1> * col_right = typeid_cast<ColumnConst<T1> *>(&*block.getByPosition(arguments[1]).column))
else if (const ColumnConst<T1> * col_right = typeid_cast<const ColumnConst<T1> *>(col_right_untyped))
{
UInt8 res = 0;
NumComparisonImpl<T0, T1, Op<T0, T1>>::constant_constant(col_left->getData(), col_right->getData(), res);
@ -448,41 +452,41 @@ private:
}
template <typename T0>
bool executeNumLeftType(Block & block, const ColumnNumbers & arguments, size_t result)
bool executeNumLeftType(Block & block, size_t result, const IColumn * col_left_untyped, const IColumn * col_right_untyped)
{
if (ColumnVector<T0> * col_left = typeid_cast<ColumnVector<T0> *>(&*block.getByPosition(arguments[0]).column))
if (const ColumnVector<T0> * col_left = typeid_cast<const ColumnVector<T0> *>(col_left_untyped))
{
if ( executeNumRightType<T0, UInt8>(block, arguments, result, col_left)
|| executeNumRightType<T0, UInt16>(block, arguments, result, col_left)
|| executeNumRightType<T0, UInt32>(block, arguments, result, col_left)
|| executeNumRightType<T0, UInt64>(block, arguments, result, col_left)
|| executeNumRightType<T0, Int8>(block, arguments, result, col_left)
|| executeNumRightType<T0, Int16>(block, arguments, result, col_left)
|| executeNumRightType<T0, Int32>(block, arguments, result, col_left)
|| executeNumRightType<T0, Int64>(block, arguments, result, col_left)
|| executeNumRightType<T0, Float32>(block, arguments, result, col_left)
|| executeNumRightType<T0, Float64>(block, arguments, result, col_left))
if ( executeNumRightType<T0, UInt8>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, UInt16>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, UInt32>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, UInt64>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, Int8>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, Int16>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, Int32>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, Int64>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, Float32>(block, result, col_left, col_right_untyped)
|| executeNumRightType<T0, Float64>(block, result, col_left, col_right_untyped))
return true;
else
throw Exception("Illegal column " + block.getByPosition(arguments[1]).column->getName()
throw Exception("Illegal column " + col_right_untyped->getName()
+ " of second argument of function " + getName(),
ErrorCodes::ILLEGAL_COLUMN);
}
else if (ColumnConst<T0> * col_left = typeid_cast<ColumnConst<T0> *>(&*block.getByPosition(arguments[0]).column))
else if (const ColumnConst<T0> * col_left = typeid_cast<const ColumnConst<T0> *>(col_left_untyped))
{
if ( executeNumConstRightType<T0, UInt8>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, UInt16>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, UInt32>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, UInt64>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, Int8>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, Int16>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, Int32>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, Int64>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, Float32>(block, arguments, result, col_left)
|| executeNumConstRightType<T0, Float64>(block, arguments, result, col_left))
if ( executeNumConstRightType<T0, UInt8>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, UInt16>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, UInt32>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, UInt64>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, Int8>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, Int16>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, Int32>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, Int64>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, Float32>(block, result, col_left, col_right_untyped)
|| executeNumConstRightType<T0, Float64>(block, result, col_left, col_right_untyped))
return true;
else
throw Exception("Illegal column " + block.getByPosition(arguments[1]).column->getName()
throw Exception("Illegal column " + col_right_untyped->getName()
+ " of second argument of function " + getName(),
ErrorCodes::ILLEGAL_COLUMN);
}
@ -490,17 +494,14 @@ private:
return false;
}
void executeString(Block & block, const ColumnNumbers & arguments, size_t result)
void executeString(Block & block, size_t result, const IColumn * c0, const IColumn * c1)
{
IColumn * c0 = &*block.getByPosition(arguments[0]).column;
IColumn * c1 = &*block.getByPosition(arguments[1]).column;
ColumnString * c0_string = typeid_cast<ColumnString *>(c0);
ColumnString * c1_string = typeid_cast<ColumnString *>(c1);
ColumnFixedString * c0_fixed_string = typeid_cast<ColumnFixedString *>(c0);
ColumnFixedString * c1_fixed_string = typeid_cast<ColumnFixedString *>(c1);
ColumnConstString * c0_const = typeid_cast<ColumnConstString *>(c0);
ColumnConstString * c1_const = typeid_cast<ColumnConstString *>(c1);
const ColumnString * c0_string = typeid_cast<const ColumnString *>(c0);
const ColumnString * c1_string = typeid_cast<const ColumnString *>(c1);
const ColumnFixedString * c0_fixed_string = typeid_cast<const ColumnFixedString *>(c0);
const ColumnFixedString * c1_fixed_string = typeid_cast<const ColumnFixedString *>(c1);
const ColumnConstString * c0_const = typeid_cast<const ColumnConstString *>(c0);
const ColumnConstString * c1_const = typeid_cast<const ColumnConstString *>(c1);
using StringImpl = StringComparisonImpl<Op<int, int>>;
@ -559,13 +560,66 @@ private:
c_res->getData());
else
throw Exception("Illegal columns "
+ block.getByPosition(arguments[0]).column->getName() + " and "
+ block.getByPosition(arguments[1]).column->getName()
+ c0->getName() + " and " + c1->getName()
+ " of arguments of function " + getName(),
ErrorCodes::ILLEGAL_COLUMN);
}
}
void executeDateOrDateTimeWithConstString(Block & block, size_t result,
const IColumn * col_left_untyped, const IColumn * col_right_untyped,
bool left_is_num, bool right_is_num)
{
/// Особый случай - сравнение дат и дат-с-временем со строковой константой.
const IColumn * column_date_or_datetime = left_is_num ? col_left_untyped : col_right_untyped;
const IColumn * column_string_untyped = !left_is_num ? col_left_untyped : col_right_untyped;
bool is_date = false;
bool is_date_time = false;
is_date = typeid_cast<const ColumnVector<DataTypeDate::FieldType> *>(column_date_or_datetime)
|| typeid_cast<const ColumnConst<DataTypeDate::FieldType> *>(column_date_or_datetime);
if (!is_date)
is_date_time = typeid_cast<const ColumnVector<DataTypeDateTime::FieldType> *>(column_date_or_datetime)
|| typeid_cast<const ColumnConst<DataTypeDateTime::FieldType> *>(column_date_or_datetime);
const ColumnConstString * column_string = typeid_cast<const ColumnConstString *>(column_string_untyped);
if (!column_string
|| (!is_date && !is_date_time))
throw Exception("Illegal columns " + col_left_untyped->getName() + " and " + col_right_untyped->getName()
+ " of arguments of function " + getName(),
ErrorCodes::ILLEGAL_COLUMN);
if (is_date)
{
DayNum_t date;
ReadBufferFromString in(column_string->getData());
readDateText(date, in);
if (!in.eof())
throw Exception("String is too long for Date: " + column_string->getData());
ColumnConst<DataTypeDate::FieldType> parsed_const_date(block.rowsInFirstColumn(), date);
executeNumLeftType<DataTypeDate::FieldType>(block, result,
left_is_num ? col_left_untyped : &parsed_const_date,
left_is_num ? &parsed_const_date : col_right_untyped);
}
else if (is_date_time)
{
time_t date_time;
ReadBufferFromString in(column_string->getData());
readDateTimeText(date_time, in);
if (!in.eof())
throw Exception("String is too long for DateTime: " + column_string->getData());
ColumnConst<DataTypeDateTime::FieldType> parsed_const_date_time(block.rowsInFirstColumn(), date_time);
executeNumLeftType<DataTypeDateTime::FieldType>(block, result,
left_is_num ? col_left_untyped : &parsed_const_date_time,
left_is_num ? &parsed_const_date_time : col_right_untyped);
}
}
public:
/// Получить имя функции.
String getName() const
@ -581,12 +635,36 @@ public:
+ toString(arguments.size()) + ", should be 2.",
ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
if (!( ( arguments[0]->isNumeric() && arguments[0]->behavesAsNumber()
&& arguments[1]->isNumeric() && arguments[1]->behavesAsNumber())
|| ( (arguments[0]->getName() == "String" || arguments[0]->getName().substr(0, 11) == "FixedString")
&& (arguments[1]->getName() == "String" || arguments[1]->getName().substr(0, 11) == "FixedString"))
|| (arguments[0]->getName() == "Date" && arguments[1]->getName() == "Date")
|| (arguments[0]->getName() == "DateTime" && arguments[1]->getName() == "DateTime")))
bool left_is_date = false;
bool left_is_date_time = false;
bool left_is_string = false;
bool left_is_fixed_string = false;
false
|| (left_is_date = typeid_cast<const DataTypeDate *>(arguments[0].get()))
|| (left_is_date_time = typeid_cast<const DataTypeDateTime *>(arguments[0].get()))
|| (left_is_string = typeid_cast<const DataTypeString *>(arguments[0].get()))
|| (left_is_fixed_string = typeid_cast<const DataTypeFixedString *>(arguments[0].get()));
bool right_is_date = false;
bool right_is_date_time = false;
bool right_is_string = false;
bool right_is_fixed_string = false;
false
|| (right_is_date = typeid_cast<const DataTypeDate *>(arguments[1].get()))
|| (right_is_date_time = typeid_cast<const DataTypeDateTime *>(arguments[1].get()))
|| (right_is_string = typeid_cast<const DataTypeString *>(arguments[1].get()))
|| (right_is_fixed_string = typeid_cast<const DataTypeFixedString *>(arguments[1].get()));
if (!( (arguments[0]->behavesAsNumber() && arguments[1]->behavesAsNumber())
|| ((left_is_string || left_is_fixed_string) && (right_is_string || right_is_fixed_string))
|| (left_is_date && right_is_date)
|| (left_is_date && right_is_string) /// Можно сравнивать дату и дату-с-временем с константной строкой.
|| (left_is_string && right_is_date)
|| (left_is_date_time && right_is_date_time)
|| (left_is_date_time && right_is_string)
|| (left_is_string && right_is_date_time)))
throw Exception("Illegal types of arguments (" + arguments[0]->getName() + ", " + arguments[1]->getName() + ")"
" of function " + getName(), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
@ -596,24 +674,36 @@ public:
/// Выполнить функцию над блоком.
void execute(Block & block, const ColumnNumbers & arguments, size_t result)
{
if (block.getByPosition(arguments[0]).column->isNumeric())
const IColumn * col_left_untyped = block.getByPosition(arguments[0]).column.get();
const IColumn * col_right_untyped = block.getByPosition(arguments[1]).column.get();
bool left_is_num = col_left_untyped->isNumeric();
bool right_is_num = col_right_untyped->isNumeric();
if (left_is_num && right_is_num)
{
if (!( executeNumLeftType<UInt8>(block, arguments, result)
|| executeNumLeftType<UInt16>(block, arguments, result)
|| executeNumLeftType<UInt32>(block, arguments, result)
|| executeNumLeftType<UInt64>(block, arguments, result)
|| executeNumLeftType<Int8>(block, arguments, result)
|| executeNumLeftType<Int16>(block, arguments, result)
|| executeNumLeftType<Int32>(block, arguments, result)
|| executeNumLeftType<Int64>(block, arguments, result)
|| executeNumLeftType<Float32>(block, arguments, result)
|| executeNumLeftType<Float64>(block, arguments, result)))
throw Exception("Illegal column " + block.getByPosition(arguments[0]).column->getName()
if (!( executeNumLeftType<UInt8>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<UInt16>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<UInt32>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<UInt64>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<Int8>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<Int16>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<Int32>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<Int64>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<Float32>(block, result, col_left_untyped, col_right_untyped)
|| executeNumLeftType<Float64>(block, result, col_left_untyped, col_right_untyped)))
throw Exception("Illegal column " + col_left_untyped->getName()
+ " of first argument of function " + getName(),
ErrorCodes::ILLEGAL_COLUMN);
}
else if (!left_is_num && !right_is_num)
{
executeString(block, result, col_left_untyped, col_right_untyped);
}
else
executeString(block, arguments, result);
{
executeDateOrDateTimeWithConstString(block, result, col_left_untyped, col_right_untyped, left_is_num, right_is_num);
}
}
};

2
dbms/include/DB/Interpreters/Set.h
View File

@ -283,7 +283,7 @@ public:
* node - это список значений: 1, 2, 3 или список tuple-ов: (1, 2), (3, 4), (5, 6).
* create_ordered_set - создавать ли вектор упорядоченных элементов. Нужен для работы индекса
*/
void createFromAST(DataTypes & types, ASTPtr node, bool create_ordered_set);
void createFromAST(DataTypes & types, ASTPtr node, const Context & context, bool create_ordered_set);
// Возвращает false, если превышено какое-нибудь ограничение, и больше не нужно вставлять.
bool insertFromBlock(const Block & block, bool create_ordered_set = false);

3
dbms/src/Interpreters/ExpressionActions.cpp
View File

@ -124,12 +124,13 @@ void ExpressionAction::prepare(Block & sample_block)
/// Если все аргументы и требуемые столбцы - константы, выполним функцию.
if (all_const)
{
size_t result_position = sample_block.columns();
ColumnWithNameAndType new_column;
new_column.name = result_name;
new_column.type = result_type;
sample_block.insert(new_column);
size_t result_position = sample_block.getPositionByName(result_name);
function->execute(sample_block, arguments, prerequisites, result_position);
/// Если получилась не константа, на всякий случай будем считать результат неизвестным.

18
dbms/src/Interpreters/ExpressionAnalyzer.cpp
View File

@ -922,10 +922,8 @@ void ExpressionAnalyzer::makeExplicitSet(ASTFunction * node, const Block & sampl
if (ASTFunction * set_func = typeid_cast<ASTFunction *>(&*arg))
{
if (set_func->name != "tuple")
throw Exception("Incorrect type of 2nd argument for function " + node->name + ". Must be subquery or set of values.",
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
if (set_func->name == "tuple")
{
/// Отличм случай (x, y) in ((1, 2), (3, 4)) от случая (x, y) in (1, 2).
ASTFunction * any_element = typeid_cast<ASTFunction *>(&*set_func->arguments->children.at(0));
if (set_element_types.size() >= 2 && (!any_element || any_element->name != "tuple"))
@ -933,6 +931,16 @@ void ExpressionAnalyzer::makeExplicitSet(ASTFunction * node, const Block & sampl
else
elements_ast = set_func->arguments;
}
else
{
if (set_element_types.size() >= 2)
throw Exception("Incorrect type of 2nd argument for function " + node->name
+ ". Must be subquery or set of " + toString(set_element_types.size()) + "-element tuples.",
ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
single_value = true;
}
}
else if (typeid_cast<ASTLiteral *>(&*arg))
{
single_value = true;
@ -954,7 +962,7 @@ void ExpressionAnalyzer::makeExplicitSet(ASTFunction * node, const Block & sampl
ASTPtr ast_set_ptr = ast_set;
ast_set->set = new Set(settings.limits);
ast_set->is_explicit = true;
ast_set->set->createFromAST(set_element_types, elements_ast, create_ordered_set);
ast_set->set->createFromAST(set_element_types, elements_ast, context, create_ordered_set);
arg = ast_set_ptr;
}

1
dbms/src/Interpreters/InterpreterCheckQuery.cpp
View File

@ -12,7 +12,6 @@ InterpreterCheckQuery::InterpreterCheckQuery(DB::ASTPtr query_ptr_, DB::Context&
BlockInputStreamPtr InterpreterCheckQuery::execute()
{
/// @TODO
ASTCheckQuery & alter = typeid_cast<ASTCheckQuery &>(*query_ptr);
String & table_name = alter.table;
String database_name = alter.database.empty() ? context.getCurrentDatabase() : alter.database;

107
dbms/src/Interpreters/Set.cpp
View File

@ -12,10 +12,15 @@
#include <DB/Parsers/ASTLiteral.h>
#include <DB/Interpreters/Set.h>
#include <DB/Interpreters/ExpressionAnalyzer.h>
#include <DB/Interpreters/ExpressionActions.h>
#include <DB/DataTypes/DataTypeArray.h>
#include <DB/DataTypes/DataTypesNumberFixed.h>
#include <DB/DataTypes/DataTypeString.h>
#include <DB/DataTypes/DataTypeFixedString.h>
#include <DB/DataTypes/DataTypeDate.h>
#include <DB/DataTypes/DataTypeDateTime.h>
namespace DB
@ -231,7 +236,7 @@ bool Set::insertFromBlock(const Block & block, bool create_ordered_set)
*/
static Field convertToType(const Field & src, const IDataType & type)
{
if (type.behavesAsNumber())
if (type.isNumeric())
{
bool is_uint8 = false;
bool is_uint16 = false;
@ -243,6 +248,8 @@ static Field convertToType(const Field & src, const IDataType & type)
bool is_int64 = false;
bool is_float32 = false;
bool is_float64 = false;
bool is_date = false;
bool is_datetime = false;
false
|| (is_uint8 = typeid_cast<const DataTypeUInt8 * >(&type))
@ -254,15 +261,18 @@ static Field convertToType(const Field & src, const IDataType & type)
|| (is_int32 = typeid_cast<const DataTypeInt32 * >(&type))
|| (is_int64 = typeid_cast<const DataTypeInt64 * >(&type))
|| (is_float32 = typeid_cast<const DataTypeFloat32 * >(&type))
|| (is_float64 = typeid_cast<const DataTypeFloat64 * >(&type));
|| (is_float64 = typeid_cast<const DataTypeFloat64 * >(&type))
|| (is_date = typeid_cast<const DataTypeDate * >(&type))
|| (is_datetime = typeid_cast<const DataTypeDateTime * >(&type))
;
if (is_uint8 || is_uint16 || is_uint32 || is_uint64)
{
if (src.getType() == Field::Types::Int64)
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, signed literal at right");
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, signed at right");
if (src.getType() == Field::Types::Float64)
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, floating point literal at right");
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, floating point at right");
if (src.getType() == Field::Types::UInt64)
{
@ -276,12 +286,12 @@ static Field convertToType(const Field & src, const IDataType & type)
}
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, "
+ Field::Types::toString(src.getType()) + " literal at right");
+ Field::Types::toString(src.getType()) + " at right");
}
else if (is_int8 || is_int16 || is_int32 || is_int64)
{
if (src.getType() == Field::Types::Float64)
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, floating point literal at right");
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, floating point at right");
if (src.getType() == Field::Types::UInt64)
{
@ -308,7 +318,7 @@ static Field convertToType(const Field & src, const IDataType & type)
}
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, "
+ Field::Types::toString(src.getType()) + " literal at right");
+ Field::Types::toString(src.getType()) + " at right");
}
else if (is_float32 || is_float64)
{
@ -322,24 +332,77 @@ static Field convertToType(const Field & src, const IDataType & type)
return src;
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, "
+ Field::Types::toString(src.getType()) + " literal at right");
+ Field::Types::toString(src.getType()) + " at right");
}
else if (is_date || is_datetime)
{
if (src.getType() != Field::Types::UInt64)
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, "
+ Field::Types::toString(src.getType()) + " at right");
return src;
}
}
else
{
if (src.getType() == Field::Types::UInt64
|| src.getType() == Field::Types::Int64
|| src.getType() == Field::Types::Float64
|| src.getType() == Field::Types::Null
|| (src.getType() == Field::Types::String
&& !typeid_cast<const DataTypeString *>(&type)
&& !typeid_cast<const DataTypeFixedString *>(&type))
|| (src.getType() == Field::Types::Array
&& !typeid_cast<const DataTypeArray *>(&type)))
throw Exception("Type mismatch in IN section: " + type.getName() + " at left, "
+ Field::Types::toString(src.getType()) + " at right");
}
/// В остальных случаях, приведение типа не осуществляется.
return src;
}
void Set::createFromAST(DataTypes & types, ASTPtr node, bool create_ordered_set)
/** Выполнить константное выражение (для элемента множества в IN). Весьма неоптимально. */
static Field evaluateConstantExpression(ASTPtr & node, const Context & context)
{
/** NOTE:
* На данный момент в секции IN не поддерживаются выражения (вызовы функций), кроме кортежей.
* То есть, например, не поддерживаются массивы. А по хорошему, хотелось бы поддерживать.
* Для этого можно сделать constant folding с помощью ExpressionAnalyzer/ExpressionActions.
* Но при этом, конечно же, не забыть про производительность работы с крупными множествами.
*/
ExpressionActionsPtr expr_for_constant_folding = ExpressionAnalyzer(
node, context, NamesAndTypesList{{ "_dummy", new DataTypeUInt8 }}).getConstActions();
/// В блоке должен быть хотя бы один столбец, чтобы у него было известно число строк.
Block block_with_constants{{ new ColumnConstUInt8(1, 0), new DataTypeUInt8, "_dummy" }};
expr_for_constant_folding->execute(block_with_constants);
if (!block_with_constants || block_with_constants.rows() == 0)
throw Exception("Logical error: empty block after evaluation constant expression for IN", ErrorCodes::LOGICAL_ERROR);
String name = node->getColumnName();
if (!block_with_constants.has(name))
throw Exception("Element of set in IN is not a constant expression: " + name, ErrorCodes::BAD_ARGUMENTS);
const IColumn & result_column = *block_with_constants.getByName(name).column;
if (!result_column.isConst())
throw Exception("Element of set in IN is not a constant expression: " + name, ErrorCodes::BAD_ARGUMENTS);
return result_column[0];
}
static Field extractValueFromNode(ASTPtr & node, const IDataType & type, const Context & context)
{
if (ASTLiteral * lit = typeid_cast<ASTLiteral *>(node.get()))
return convertToType(lit->value, type);
else if (typeid_cast<ASTFunction *>(node.get()))
return convertToType(evaluateConstantExpression(node, context), type);
else
throw Exception("Incorrect element of set. Must be literal or constant expression.", ErrorCodes::INCORRECT_ELEMENT_OF_SET);
}
void Set::createFromAST(DataTypes & types, ASTPtr node, const Context & context, bool create_ordered_set)
{
data_types = types;
/// Засунем множество в блок.
@ -359,10 +422,7 @@ void Set::createFromAST(DataTypes & types, ASTPtr node, bool create_ordered_set)
{
if (data_types.size() == 1)
{
if (ASTLiteral * lit = typeid_cast<ASTLiteral *>(&**it))
block.getByPosition(0).column->insert(convertToType(lit->value, *data_types[0]));
else
throw Exception("Incorrect element of set. Must be literal.", ErrorCodes::INCORRECT_ELEMENT_OF_SET);
block.getByPosition(0).column->insert(extractValueFromNode(*it, *data_types[0], context));
}
else if (ASTFunction * func = typeid_cast<ASTFunction *>(&**it))
{
@ -375,16 +435,11 @@ void Set::createFromAST(DataTypes & types, ASTPtr node, bool create_ordered_set)
for (size_t j = 0; j < tuple_size; ++j)
{
if (ASTLiteral * lit = typeid_cast<ASTLiteral *>(&*func->arguments->children[j]))
block.getByPosition(j).column->insert(convertToType(lit->value, *data_types[j]));
else
throw Exception("Incorrect element of tuple in set. Must be literal.", ErrorCodes::INCORRECT_ELEMENT_OF_SET);
block.getByPosition(j).column->insert(extractValueFromNode(func->arguments->children[j], *data_types[j], context));
}
}
else
throw Exception("Incorrect element of set", ErrorCodes::INCORRECT_ELEMENT_OF_SET);
/// NOTE: Потом можно реализовать возможность задавать константные выражения в множествах.
}
if (create_ordered_set)

2
dbms/tests/queries/0_stateless/00171_array_of_tuple_remote.reference Normal file
View File

@ -0,0 +1,2 @@
[(1,4),(2,5),(3,6)]
[(1,4),(2,5),(3,6)]

1
dbms/tests/queries/0_stateless/00171_array_of_tuple_remote.sql Normal file
View File

@ -0,0 +1 @@
SELECT arrayMap((x, y) -> (x, y), [1, 2, 3], [4, 5, 6]) FROM remote('127.0.0.{1,2}', system.one) ORDER BY rand();

6
dbms/tests/queries/0_stateless/00172_constexprs_in_set.reference Normal file
View File

@ -0,0 +1,6 @@
14 3
1
1
1
1
1

6
dbms/tests/queries/0_stateless/00172_constexprs_in_set.sql Normal file
View File

@ -0,0 +1,6 @@
SELECT sumIf(number, x), sum(x) FROM (SELECT number, number IN (0 + 1, 2 + 3, toUInt64(concat('8', ''))) AS x FROM system.numbers LIMIT 10);
SELECT toDate('2015-06-12') IN toDate('2015-06-12');
SELECT toDate('2015-06-12') IN (toDate('2015-06-12'));
SELECT today() IN (toDate('2014-01-01'), toDate(now()));
SELECT - -1 IN (2 - 1);
SELECT - -1 IN (2 - 1, 3);

80
dbms/tests/queries/0_stateless/00173_compare_date_time_with_constant_string.reference Normal file
View File

@ -0,0 +1,80 @@
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1

83
dbms/tests/queries/0_stateless/00173_compare_date_time_with_constant_string.sql Normal file
View File

@ -0,0 +1,83 @@
SELECT toDate('2015-02-03') = '2015-02-03';
SELECT '2015-02-03' = toDate('2015-02-03');
SELECT toDate('2015-02-03') = '2015-02-04';
SELECT '2015-02-03' = toDate('2015-02-04');
SELECT toDate('2015-02-03') < '2015-02-04';
SELECT '2015-02-03' < toDate('2015-02-04');
SELECT toDate('2015-02-03') > '2015-02-04';
SELECT '2015-02-03' > toDate('2015-02-04');
SELECT toDate('2015-02-03') <= '2015-02-04';
SELECT '2015-02-03' <= toDate('2015-02-04');
SELECT toDate('2015-02-03') >= '2015-02-04';
SELECT '2015-02-03' >= toDate('2015-02-04');
SELECT toDate('2015-02-05') < '2015-02-04';
SELECT '2015-02-05' < toDate('2015-02-04');
SELECT toDate('2015-02-05') > '2015-02-04';
SELECT '2015-02-05' > toDate('2015-02-04');
SELECT toDate('2015-02-05') <= '2015-02-04';
SELECT '2015-02-05' <= toDate('2015-02-04');
SELECT toDate('2015-02-05') >= '2015-02-04';
SELECT '2015-02-05' >= toDate('2015-02-04');
SELECT materialize(toDate('2015-02-03')) = '2015-02-03';
SELECT '2015-02-03' = materialize(toDate('2015-02-03'));
SELECT materialize(toDate('2015-02-03')) = '2015-02-04';
SELECT '2015-02-03' = materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-03')) < '2015-02-04';
SELECT '2015-02-03' < materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-03')) > '2015-02-04';
SELECT '2015-02-03' > materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-03')) <= '2015-02-04';
SELECT '2015-02-03' <= materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-03')) >= '2015-02-04';
SELECT '2015-02-03' >= materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-05')) < '2015-02-04';
SELECT '2015-02-05' < materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-05')) > '2015-02-04';
SELECT '2015-02-05' > materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-05')) <= '2015-02-04';
SELECT '2015-02-05' <= materialize(toDate('2015-02-04'));
SELECT materialize(toDate('2015-02-05')) >= '2015-02-04';
SELECT '2015-02-05' >= materialize(toDate('2015-02-04'));
SELECT toDateTime('2015-02-03 04:05:06') = '2015-02-03 04:05:06';
SELECT '2015-02-03 04:05:06' = toDateTime('2015-02-03 04:05:06');
SELECT toDateTime('2015-02-03 04:05:06') = '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' = toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 04:05:06') < '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' < toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 04:05:06') > '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' > toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 04:05:06') <= '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' <= toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 04:05:06') >= '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' >= toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 06:07:08') < '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' < toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 06:07:08') > '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' > toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 06:07:08') <= '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' <= toDateTime('2015-02-03 05:06:07');
SELECT toDateTime('2015-02-03 06:07:08') >= '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' >= toDateTime('2015-02-03 05:06:07');
SELECT materialize(toDateTime('2015-02-03 04:05:06')) = '2015-02-03 04:05:06';
SELECT '2015-02-03 04:05:06' = materialize(toDateTime('2015-02-03 04:05:06'));
SELECT materialize(toDateTime('2015-02-03 04:05:06')) = '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' = materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 04:05:06')) < '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' < materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 04:05:06')) > '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' > materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 04:05:06')) <= '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' <= materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 04:05:06')) >= '2015-02-03 05:06:07';
SELECT '2015-02-03 04:05:06' >= materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 06:07:08')) < '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' < materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 06:07:08')) > '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' > materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 06:07:08')) <= '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' <= materialize(toDateTime('2015-02-03 05:06:07'));
SELECT materialize(toDateTime('2015-02-03 06:07:08')) >= '2015-02-03 05:06:07';
SELECT '2015-02-03 06:07:08' >= materialize(toDateTime('2015-02-03 05:06:07'));