Refinement of FOR JSON PATH & Nested Functionality

Signed-off-by: Jake Owen <[email protected]>

test/JDBC/expected/forjson-before-14_10-or-15_5-vu-cleanup.out

@@ -0,0 +1,63 @@
+-- FOR JSON PATH clause without nested support
+DROP VIEW forjson_vu_v_people
+GO
+
+DROP VIEW forjson_vu_v_countries
+GO
+
+-- Multiple tables without nested support
+DROP VIEW forjson_vu_v_join
+GO
+
+-- ROOT directive without specifying value
+DROP VIEW forjson_vu_v_root
+GO
+
+-- ROOT directive with specifying ROOT value
+DROP VIEW forjson_vu_v_root_value
+GO
+
+-- ROOT directive with specifying ROOT value with empty string
+DROP VIEW forjson_vu_v_empty_root
+GO
+
+-- WITHOUT_ARRAY_WRAPPERS directive
+DROP VIEW forjson_vu_v_without_array_wrapper
+GO
+
+-- INCLUDE_NULL_VALUES directive
+DROP VIEW forjson_vu_v_include_null_values
+GO
+
+-- Multiple Directives
+DROP VIEW forjson_vu_v_root_include_null_values
+GO
+
+DROP VIEW forjson_vu_v_without_array_wrapper_include_null_values
+GO
+
+
+-- Test case with parameters
+DROP PROCEDURE forjson_vu_p_params1
+GO
+
+DROP PROCEDURE forjson_vu_p_params2
+GO
+
+-- All null values test
+DROP VIEW forjson_vu_v_nulls
+GO
+
+-- Test for all parser rules
+DROP VIEW forjson_vu_v_order_by
+GO
+
+-- Display Table Contents
+DROP TABLE forjson_vu_t_people
+GO
+
+DROP TABLE forjson_vu_t_countries
+GO
+
+DROP TABLE forjson_vu_t_values
+GO

test/JDBC/expected/forjson-before-14_10-or-15_5-vu-prepare.out

@@ -0,0 +1,208 @@
+CREATE TABLE forjson_vu_t_people (
+[Id] INT,
+[FirstName] VARCHAR(25),
+[LastName] VARCHAR(25),
+[State] VARCHAR(25) )
+GO
+
+INSERT INTO forjson_vu_t_people values
+(1,'Divya','Kumar',NULL),
+(2,NULL,'Khanna','Bengaluru'),
+(3,'Tom','Mehta','Kolkata'),
+(4,'Kane',NULL,'Delhi')
+GO
+~~ROW COUNT: 4~~
+
+
+CREATE TABLE forjson_vu_t_countries (
+[Id] INT,
+[Age] INT,
+[Country] VARCHAR(25))
+GO
+
+INSERT INTO forjson_vu_t_countries values
+(1,25, 'India'),
+(2,40, 'USA'),
+(3,30, 'India'),
+(4,20, NULL),
+(5,10, 'USA')
+GO
+~~ROW COUNT: 5~~
+
+
+CREATE TABLE forjson_vu_t_values (
+[Id] INT,
+[value] VARCHAR(25) )
+GO
+
+INSERT INTO forjson_vu_t_values values
+(1,NULL),
+(2,NULL),
+(3,NULL)
+GO
+~~ROW COUNT: 3~~
+
+
+-- FOR JSON PATH clause without nested support
+CREATE VIEW forjson_vu_v_people AS
+SELECT (
+	SELECT Id AS EmpId, 
+		   FirstName AS "Name.FirstName",
+		   LastName AS  "Name.LastName",
+		   State
+	FROM forjson_vu_t_people
+	FOR JSON PATH
+) c1
+GO
+
+CREATE VIEW forjson_vu_v_countries AS
+SELECT (
+	SELECT Id, 
+		   Age,
+		   Country
+	FROM forjson_vu_t_countries
+	FOR JSON PATH
+) c1
+GO
+
+-- Multiple tables without nested support
+CREATE VIEW forjson_vu_v_join AS
+SELECT (
+	SELECT E.FirstName AS 'Person.Name',
+		   E.LastName AS 'Person.Surname',
+		   D.Age AS 'Employee.Price',
+		   D.Country AS 'Employee.Quantity'
+	FROM forjson_vu_t_people E
+	   INNER JOIN forjson_vu_t_countries D
+		 ON E.Id = D.Id
+	FOR JSON PATH
+) c1
+GO
+
+-- ROOT directive without specifying value
+CREATE VIEW forjson_vu_v_root AS
+SELECT (
+	SELECT FirstName, 
+		   LastName
+	FROM forjson_vu_t_people
+	FOR JSON PATH, ROOT
+) c1
+GO
+
+-- ROOT directive with specifying ROOT value
+CREATE VIEW forjson_vu_v_root_value AS
+SELECT (
+	SELECT FirstName, 
+		   LastName
+	FROM forjson_vu_t_people
+	FOR JSON PATH, ROOT('Employee')
+) c1
+GO
+
+-- ROOT directive with specifying ROOT value with empty string
+CREATE VIEW forjson_vu_v_empty_root AS
+SELECT (
+	SELECT FirstName, 
+		   LastName
+	FROM forjson_vu_t_people
+	FOR JSON PATH, ROOT('')
+) c1
+GO
+
+-- WITHOUT_ARRAY_WRAPPERS directive
+CREATE VIEW forjson_vu_v_without_array_wrapper AS
+SELECT (
+	SELECT FirstName, 
+		   LastName
+	FROM forjson_vu_t_people
+	FOR JSON PATH, WITHOUT_ARRAY_WRAPPER
+) c1
+GO
+
+-- INCLUDE_NULL_VALUES directive
+CREATE VIEW forjson_vu_v_include_null_values AS
+SELECT (
+	SELECT FirstName, 
+		   LastName
+	FROM forjson_vu_t_people
+	FOR JSON PATH, INCLUDE_NULL_VALUES
+) c1
+GO
+
+-- Multiple Directives
+CREATE VIEW forjson_vu_v_root_include_null_values AS
+SELECT (
+	SELECT Id, 
+		   Age,
+		   Country
+	FROM forjson_vu_t_countries
+	FOR JSON PATH, ROOT('Employee'), INCLUDE_NULL_VALUES
+) c1
+GO
+
+CREATE VIEW forjson_vu_v_without_array_wrapper_include_null_values AS
+SELECT (
+	SELECT Id, 
+		   Age,
+		   Country
+	FROM forjson_vu_t_countries
+	FOR JSON PATH, WITHOUT_ARRAY_WRAPPER, INCLUDE_NULL_VALUES
+) c1
+GO
+
+-- Throws error as ROOT and WITHOUT_ARRAY_WRAPPER cannot be used together
+CREATE VIEW forjson_vu_v_root_and_without_array_wrapper AS
+SELECT (
+	SELECT Id, 
+		   Age,
+		   Country
+	FROM forjson_vu_t_countries
+	FOR JSON PATH, ROOT, WITHOUT_ARRAY_WRAPPER
+) c1
+GO
+~~ERROR (Code: 33557097)~~
+
+~~ERROR (Message: ROOT option and WITHOUT_ARRAY_WRAPPER option cannot be used together in FOR JSON. Remove one of these options)~~
+
+
+-- Test case with parameters
+CREATE PROCEDURE forjson_vu_p_params1 @id int AS
+SELECT (
+	SELECT Firstname AS [Name], 
+		   State 
+	FROM forjson_vu_t_people
+	WHERE Id = @id
+	FOR JSON PATH
+) c1
+GO
+
+CREATE PROCEDURE forjson_vu_p_params2 @id int AS
+SELECT (
+	SELECT Firstname AS [nam"@e], 
+		   State AS [State"@]
+	FROM forjson_vu_t_people
+	WHERE Id = @id
+	FOR JSON PATH
+) c1
+GO
+
+-- All null values test
+CREATE VIEW forjson_vu_v_nulls AS
+SELECT (
+	SELECT value
+	FROM forjson_vu_t_values
+	FOR JSON PATH
+) c1
+GO
+
+-- Test for all parser rules
+CREATE VIEW forjson_vu_v_order_by AS
+SELECT (
+	SELECT Id,
+		   Age,
+		   Country
+	FROM forjson_vu_t_countries
+	ORDER BY Age
+	FOR JSON PATH
+) C1
+GO