Fixes gh-2206 Behavior changes in SQL, sixth commit

Author: pgulutzan

doc/reference/reference_sql/sql_statements_and_clauses.rst

@@ -367,9 +367,9 @@ Two column values in a SCALAR column can have two different primitive data types
    uses it for section "Result of data type combinations".) Therefore for
    ``greatest(1E308, 'a', 0, X'00')`` the result is X'00' but
    ``typeof(greatest(1E308, 'a', 0, X'00')`` is 'scalar'.
-* The union of two SCALARs is sometimes the primitive type.
-  For example, ``SELECT TYPEOF((SELECT CAST('a' AS SCALAR) UNION SELECT CAST('a' AS SCALAR)));``
-  returns 'string'.
+#. The union of two SCALARs is sometimes the primitive type.
+   For example, ``SELECT TYPEOF((SELECT CAST('a' AS SCALAR) UNION SELECT CAST('a' AS SCALAR)));``
+   returns 'string'.
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 Column definition -- relation to NoSQL
@@ -3887,14 +3887,14 @@ that can appear in :ref:`box.execute(...[,extra-parameters]) <box-sql_box_execut
 requests,
 default data type is calculated thus: |br|
 * When there is only one possible data type, it is default. |br|
-Example: ``box.execute([[SELECT TYPEOF(LOWER(?);]]),{x})`` is 'string'. |br|
+Example: ``box.execute([[SELECT TYPEOF(LOWER(?));]],{x})`` is 'string'. |br|
 * When possible data types are INTEGER or DOUBLE or DECIMAL, DECIMAL is default. |br|
-Example: ``box.execute([[SELECT TYPEOF(AVG(?);]]),{x})`` is 'decimal'. |br|
+Example: ``box.execute([[SELECT TYPEOF(AVG(?));]],{x})`` is 'decimal'. |br|
 * When possible data types are STRING or VARBINARY, STRING is default. |br|
-Example: ``box.execute([[SELECT TYPEOF(LENGTH(?);]]),{x})`` is 'string'. |br|
+Example: ``box.execute([[SELECT TYPEOF(LENGTH(?));]],{x})`` is 'string'. |br|
 * When possible data types are any other scalar data type, SCALAR is default. |br|
-Example: ``box.execute([[SELECT TYPEOF(GREATEST(?,5);]]),{x})`` is 'scalar'. |br|
+Example: ``box.execute([[SELECT TYPEOF(GREATEST(?,5));]],{x})`` is 'scalar'. |br|
 * Otherwise, there is no default. |br|
-Example: ``box.execute([[SELECT TYPEOF(LIKELY(?);]]),{x})`` is unknown.
+Example: ``box.execute([[SELECT TYPEOF(LIKELY(?));]],{x})`` is the name of one of the primitive data types.
 
 

doc/reference/reference_sql/sql_user_guide.rst

@@ -497,14 +497,12 @@ as -inf or inf.
 .. _sql_data_type_number:
 
 NUMBER values have the same range as DOUBLE values.
-But NUMBER values may also also be integers, and, if so,
-arithmetic operation results will be exact rather than approximate.
-For example, if a NUMBER column ``X`` contains 5, then ``X / 2`` would be 2 if division is legal.
+But NUMBER values may also be integers.
 There is no literal format for NUMBER (literals like ``1.5`` or ``1E555``
 are considered to be DOUBLEs), so use :ref:`CAST <sql_function_cast>`
 to insist that a numeric has data type NUMBER, but that is rarely necessary.
 See the description of NoSQL type :ref:`'number' <index-box_number>`.
-Support for arithmetic and built-in functions with NUMBERs was removed in Tarantool version 2.10.1.
+Support for arithmetic and built-in arithmetic functions with NUMBERs was removed in Tarantool version 2.10.1.
 
 .. _sql_data_type_decimal: