Fix types and add complex test

src/DataTypes/DataTypesNumber.cpp

@@ -46,8 +46,8 @@ void registerDataTypeNumbers(DataTypeFactory & factory)
     factory.registerDataType("Int16", createNumericDataType<Int16>);
     factory.registerDataType("Int32", createNumericDataType<Int32>);
     factory.registerDataType("Int64", createNumericDataType<Int64>);
-    factory.registerDataType("Float32", createNumericDataType<Int32>);
+    factory.registerDataType("Float32", createNumericDataType<Float32>);
-    factory.registerDataType("Float64", createNumericDataType<Int64>);
+    factory.registerDataType("Float64", createNumericDataType<Float64>);
 
     /// These synonyms are added for compatibility.
 

tests/queries/0_stateless/01268_data_numeric_parameters.reference

@@ -0,0 +1,3 @@
+Int8	Int8	Int16	Int16	Int32	Int32	Int64	Int64
+Float32	Float32	Float32	Float64	Float64	Float64
+String	String

tests/queries/0_stateless/01268_data_numeric_parameters.sql

@@ -0,0 +1,42 @@
+DROP TABLE IF EXISTS ints;
+DROP TABLE IF EXISTS floats;
+DROP TABLE IF EXISTS strings;
+
+CREATE TABLE ints (
+    a TINYINT,
+    b TINYINT(8),
+    c SMALLINT,
+    d SMALLINT(16),
+    e INT,
+    f INT(32),
+    g BIGINT,
+    h BIGINT(64)
+) engine=Memory;
+
+INSERT INTO ints VALUES (1, 8, 11, 16, 21, 32, 41, 64);
+
+SELECT  toTypeName(a), toTypeName(b), toTypeName(c), toTypeName(d), toTypeName(e), toTypeName(f), toTypeName(g), toTypeName(h) FROM ints;
+
+CREATE TABLE floats (
+    a FLOAT,
+    b FLOAT(12),
+    c FLOAT(15, 22),
+    d DOUBLE,
+    e DOUBLE(12),
+    f DOUBLE(4, 18)
+
+) engine=Memory;
+
+INSERT INTO floats VALUES (1.1, 1.2, 1.3, 41.1, 41.1, 42.1);
+
+SELECT  toTypeName(a), toTypeName(b), toTypeName(c), toTypeName(d), toTypeName(e), toTypeName(f) FROM floats;
+
+
+CREATE TABLE strings (
+    a VARCHAR,
+    b VARCHAR(11)
+) engine=Memory;
+
+INSERT INTO strings VALUES ('test', 'string');
+
+SELECT  toTypeName(a), toTypeName(b)  FROM strings;