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support (un)signed modifiers for integer types

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This commit is contained in:
Alexander Tokmakov 2020-06-22 14:45:45 +03:00
parent 0e42649e39
commit 18ec373369
4 changed files with 49 additions and 2 deletions
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15
src/DataTypes/DataTypesNumber.cpp
View File

@ -65,6 +65,21 @@ void registerDataTypeNumbers(DataTypeFactory & factory)
factory.registerAlias("DOUBLE", "Float64", DataTypeFactory::CaseInsensitive);
factory.registerAlias("DOUBLE PRECISION", "Float64", DataTypeFactory::CaseInsensitive);
/// MySQL
factory.registerAlias("TINYINT SIGNED", "Int8", DataTypeFactory::CaseInsensitive);
factory.registerAlias("INT1 SIGNED", "Int8", DataTypeFactory::CaseInsensitive);
factory.registerAlias("SMALLINT SIGNED", "Int16", DataTypeFactory::CaseInsensitive);
factory.registerAlias("INT SIGNED", "Int32", DataTypeFactory::CaseInsensitive);
factory.registerAlias("INTEGER SIGNED", "Int32", DataTypeFactory::CaseInsensitive);
factory.registerAlias("BIGINT SIGNED", "Int64", DataTypeFactory::CaseInsensitive);
factory.registerAlias("TINYINT UNSIGNED", "UInt8", DataTypeFactory::CaseInsensitive);
factory.registerAlias("INT1 UNSIGNED", "UInt8", DataTypeFactory::CaseInsensitive);
factory.registerAlias("SMALLINT UNSIGNED", "UInt16", DataTypeFactory::CaseInsensitive);
factory.registerAlias("INT UNSIGNED", "UInt32", DataTypeFactory::CaseInsensitive);
factory.registerAlias("INTEGER UNSIGNED", "UInt32", DataTypeFactory::CaseInsensitive);
factory.registerAlias("BIGINT UNSIGNED", "UInt64", DataTypeFactory::CaseInsensitive);
}
}

8
src/Parsers/ParserDataType.cpp
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@ -55,6 +55,14 @@ bool ParserDataType::parseImpl(Pos & pos, ASTPtr & node, Expected & expected)
if (ParserKeyword("PRECISION").ignore(pos))
type_name_suffix = "PRECISION";
}
else if (type_name_upper.find("INT") != std::string::npos)
{
/// Support SIGNED and UNSIGNED integer type modifiers for compatibility with MySQL
if (ParserKeyword("SIGNED").ignore(pos))
type_name_suffix = "SIGNED";
else if (ParserKeyword("UNSIGNED").ignore(pos))
type_name_suffix = "UNSIGNED";
}
if (!type_name_suffix.empty())
type_name = type_name_upper + " " + type_name_suffix;

4
tests/queries/0_stateless/01144_multiword_data_types.reference
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@ -1,3 +1,5 @@
CREATE TABLE default.multiword_types\n(\n `a` Float64,\n `b` Float64,\n `c` String DEFAULT \'str\',\n `d` String,\n `e` String COMMENT \'comment\',\n `f` String,\n `g` String,\n `h` String DEFAULT toString(a) COMMENT \'comment\',\n `i` String,\n `j` String,\n `k` String,\n `l` String,\n `m` String,\n `n` String,\n `o` String,\n `p` String\n)\nENGINE = Memory
Tuple(Float64, Float64, String, String, String, String, String, String, String, String, String, String, String, String, String, String)
42 42
CREATE TABLE default.unsigned_types\n(\n `a` Int8,\n `b` Int8,\n `c` Int16,\n `d` Int32,\n `e` Int32,\n `f` Int64,\n `g` UInt8,\n `h` UInt8,\n `i` UInt16,\n `j` UInt32,\n `k` UInt32,\n `l` UInt64\n)\nENGINE = Memory
Tuple(Int8, Int8, Int16, Int32, Int32, Int64, UInt8, UInt8, UInt16, UInt32, UInt32, UInt64)
42 42 255 -1

24
tests/queries/0_stateless/01144_multiword_data_types.sql
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@ -1,4 +1,5 @@
DROP TABLE IF EXISTS multiword_types;
DROP TABLE IF EXISTS unsigned_types;
CREATE TABLE multiword_types (
a DOUBLE,
@ -24,6 +25,27 @@ SHOW CREATE TABLE multiword_types;
INSERT INTO multiword_types(a) VALUES (1);
SELECT toTypeName((*,)) FROM multiword_types;
SELECT CAST('42' AS DOUBLE PRECISION), CAST(42, 'NATIONAL CHARACTER VARYING');
CREATE TABLE unsigned_types (
a TINYINT SIGNED,
b INT1 SIGNED,
c SMALLINT SIGNED,
d INT SIGNED,
e INTEGER SIGNED,
f BIGINT SIGNED,
g TINYINT UNSIGNED,
h INT1 UNSIGNED,
i SMALLINT UNSIGNED,
j INT UNSIGNED,
k INTEGER UNSIGNED,
l BIGINT UNSIGNED
) ENGINE=Memory;
SHOW CREATE TABLE unsigned_types;
INSERT INTO unsigned_types(a) VALUES (1);
SELECT toTypeName((*,)) FROM unsigned_types;
SELECT CAST('42' AS DOUBLE PRECISION), CAST(42, 'NATIONAL CHARACTER VARYING'), CAST(-1 AS tinyint UnSiGnEd), CAST(65535, ' sMaLlInT signed ');
DROP TABLE multiword_types;
DROP TABLE unsigned_types;