SnowConvert AI - Redshift - Conditions¶

 CREATE TABLE sales (
    id INTEGER IDENTITY(1,1),
    price FLOAT,
    departmentId INTEGER,
    saleDate DATE
);

INSERT INTO sales (price, departmentId, saleDate) VALUES
(5000, 1, '2008-01-01'),
(8000, 1, '2018-01-01'),
(5000, 2, '2010-01-01'),
(7000, 3, '2010-01-01'),
(5000, 1, '2018-01-01'),
(4000, 4, '2010-01-01'),
(3000, 4, '2018-01-01'),
(9000, 5, '2008-01-01'),
(7000, 5, '2018-01-01'),
(6000, 5, '2006-01-01'),
(5000, 5, '2008-01-01'),
(5000, 4, '2018-01-01'),
(8000, 3, '2006-01-01'),
(7000, 3, '2016-01-01'),
(2000, 2, '2018-01-01');

 CREATE TABLE sales (
    id INTEGER IDENTITY(1,1) ORDER,
    price FLOAT,
    departmentId INTEGER,
    saleDate DATE
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "01/08/2025",  "domain": "test" }}';

INSERT INTO sales (price, departmentId, saleDate) VALUES
(5000, 1, '2008-01-01'),
(8000, 1, '2018-01-01'),
(5000, 2, '2010-01-01'),
(7000, 3, '2010-01-01'),
(5000, 1, '2018-01-01'),
(4000, 4, '2010-01-01'),
(3000, 4, '2018-01-01'),
(9000, 5, '2008-01-01'),
(7000, 5, '2018-01-01'),
(6000, 5, '2006-01-01'),
(5000, 5, '2008-01-01'),
(5000, 4, '2018-01-01'),
(8000, 3, '2006-01-01'),
(7000, 3, '2016-01-01'),
(2000, 2, '2018-01-01');

 SELECT COUNT(*) FROM sales
WHERE departmentId BETWEEN 2 AND 4;

SELECT * FROM sales
WHERE departmentId BETWEEN 4 AND 2;

SELECT * FROM sales
WHERE departmentId NOT BETWEEN 4 AND 2;

SELECT * FROM sales
WHERE departmentId BETWEEN 2 AND 4
AND saleDate BETWEEN '2010-01-01' and '2016-01-01';

select 'some ' between c_start and c_end 
from( select 'same' as c_start, 'some' as c_end );

 SELECT COUNT(*) FROM
    sales
WHERE departmentId BETWEEN 2 AND 4;

SELECT * FROM
    sales
WHERE departmentId BETWEEN 4 AND 2;

SELECT * FROM
    sales
WHERE departmentId NOT BETWEEN 4 AND 2;

SELECT * FROM
    sales
WHERE departmentId BETWEEN 2 AND 4
AND saleDate BETWEEN '2010-01-01' and '2016-01-01';

select
    RTRIM( 'some ') between c_start and c_end
from( select 'same' as c_start, 'some' as c_end );

 CREATE TABLE example_data (
    id INT,
    value INT,
    status BOOLEAN,
    category VARCHAR(10)
);

INSERT INTO example_data (id, value, status, category) VALUES
(1, 50, TRUE, 'A'),
(2, 30, FALSE, 'B'),
(3, 40, NULL, 'C'),
(4, 70, TRUE, 'A '),
(5, 60, FALSE, 'B');

SELECT *
FROM example_data
WHERE value < 60 AND value > 40;

SELECT *
FROM example_data
WHERE value <= 60 AND value >= 40;

SELECT *
FROM example_data
WHERE category = 'A';

SELECT *
FROM example_data
WHERE category != 'A' AND category <> 'B';

SELECT *
FROM example_data
WHERE category = ANY(SELECT category FROM example_data WHERE value > 60); --SOME

SELECT *
FROM example_data
WHERE value <> ALL (SELECT value FROM example_data WHERE status = TRUE);

SELECT *
FROM example_data
WHERE status IS TRUE;

SELECT *
FROM example_data
WHERE status IS FALSE;

SELECT *
FROM example_data
WHERE status IS UNKNOWN;

 CREATE TABLE example_data (
    id INT,
    value INT,
    status BOOLEAN,
    category VARCHAR(10)
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "07/11/2025",  "domain": "no-domain-provided" }}';

INSERT INTO example_data (id, value, status, category) VALUES
(1, 50, TRUE, 'A'),
(2, 30, FALSE, 'B'),
(3, 40, NULL, 'C'),
(4, 70, TRUE, 'A '),
(5, 60, FALSE, 'B');

SELECT *
FROM
    example_data
WHERE value < 60 AND value > 40;

SELECT *
FROM
    example_data
WHERE value <= 60 AND value >= 40;

SELECT *
FROM
    example_data
WHERE category = 'A';

SELECT *
FROM
    example_data
WHERE category != 'A' AND category <> 'B';

SELECT *
FROM
    example_data
WHERE category = ANY(SELECT category FROM
            example_data
        WHERE value > 60); --SOME

SELECT *
FROM
    example_data
WHERE value <> ALL (SELECT value FROM
            example_data
        WHERE status = TRUE);

SELECT *
FROM
    example_data
WHERE status;

SELECT *
FROM
    example_data
WHERE
    NOT status;

SELECT *
FROM
    example_data
WHERE status IS NULL;

 SELECT * FROM ExistsTest
WHERE EXISTS (
SELECT 1 FROM ExistsTest
WHERE lastname = 'lastname1'
)
ORDER BY id;

 SELECT * FROM
ExistsTest
WHERE EXISTS (
SELECT 1 FROM
ExistsTest
WHERE lastname = 'lastname1'
)
ORDER BY id;

 CREATE TABLE sales (
    id INTEGER IDENTITY(1,1),
    price FLOAT,
    saleDate DATE
);

INSERT INTO sales (price, saleDate) VALUES
(5000, '12/19/2024'),
(4000, '12/18/2024'),
(2000, '12/17/2024'),
(1000, '11/11/2024'),
(7000, '10/10/2024'),
(7000, '05/12/2024');

CREATE TABLE InTest (
col1 Varchar(20) COLLATE CASE_INSENSITIVE,
col2 Varchar(30) COLLATE CASE_SENSITIVE,
d1 date,
num integer,
idx integer);

INSERT INTO InTest values ('A', 'A', ('2012-03-02'), 4,6);
INSERT INTO InTest values ('a', 'a', ('2014-01-02'), 41,7);

 CREATE TABLE InTest (
    id INTEGER IDENTITY(1,1) ORDER,
    price FLOAT,
    saleDate DATE
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "01/09/2025",  "domain": "test" }}';

INSERT INTO InTest (price, saleDate) VALUES
(5000, '12/19/2024'),
(4000, '12/18/2024'),
(2000, '12/17/2024'),
(1000, '11/11/2024'),
(7000, '10/10/2024'),
(7000, '05/12/2024');

CREATE TABLE InTest (
col1 Varchar(20) COLLATE 'en-ci',
col2 Varchar(30) COLLATE 'en-cs',
d1 date,
num integer,
idx integer)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "01/16/2025",  "domain": "test" }}';

INSERT INTO InTest
values ('A', 'A', ('2012-03-02'), 4,6);
INSERT INTO InTest
values ('a', 'a', ('2014-01-02'), 41,7);

 SELECT * FROM sales
WHERE id IN (2,3);

SELECT 5 IN (
SELECT id FROM sales
WHERE price = 7000
) AS ValidId;

select t.col1 in ('a ','b','c') as r1, t.col2 in ('a ','b','c') as r2 from InTest t order by t.idx;

 SELECT * FROM
    sales
WHERE id IN (2,3);

SELECT 5 IN (
SELECT id FROM
 sales
WHERE price = 7000
) AS ValidId;

select t.col1 in (RTRIM('a '), RTRIM('b'), RTRIM('c')) as r1, t.col2 in (RTRIM('a '), RTRIM('b'), RTRIM('c')) as r2 from
InTest t order by t.idx;

 CREATE TABLE employee (
    employee_id INT,
    active BOOLEAN,
    department VARCHAR(100),
    hire_date DATE,
    salary INT
);

INSERT INTO employee (employee_id, active, department, hire_date, salary) VALUES
    (1, TRUE, 'Engineering', '2021-01-15', 70000),
    (2, FALSE, 'HR', '2020-03-22', 50000),
    (3, NULL, 'Marketing', '2019-05-10', 60000),
    (4, TRUE, 'Engineering', NULL, 65000),
    (5, TRUE, 'Sales', '2018-11-05', NULL);

 SELECT
    employee_id,
    (active AND department = 'Engineering') AS is_active_engineering,
    (department = 'HR' OR salary > 60000) AS hr_or_high_salary,
    NOT active AS is_inactive,
    (hire_date IS NULL) AS hire_date_missing,
    (salary IS NULL OR salary < 50000) AS low_salary_or_no_salary
FROM employee;

 SELECT
    employee_id,
    (active AND department = 'Engineering') AS is_active_engineering,
    (department = 'HR' OR salary > 60000) AS hr_or_high_salary,
    NOT active AS is_inactive,
    (hire_date IS NULL) AS hire_date_missing,
    (salary IS NULL OR salary < 50000) AS low_salary_or_no_salary
FROM
    employee;

 CREATE TABLE NullTest (
    id INTEGER,
    name VARCHAR(30),
    lastname VARCHAR(30)
);

INSERT INTO NullTest (id, name, lastname) VALUES 
 (1, 'name1', 'lastname1'),
 (2, 'name2', NULL),
 (3, 'name3', 'lastname3'),
 (4, 'name4', NULL);

 CREATE TABLE NullTest (
    id INTEGER,
    name VARCHAR(30),
    lastname VARCHAR(30)
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "01/08/2025",  "domain": "test" }}';

INSERT INTO NullTest (id, name, lastname) VALUES
 (1, 'name1', 'lastname1'),
 (2, 'name2', NULL),
 (3, 'name3', 'lastname3'),
 (4, 'name4', NULL);

 SELECT * FROM nulltest
WHERE lastname IS NULL;

 SELECT * FROM
    nulltest
WHERE lastname IS NULL;

 CREATE TABLE like_ex(name VARCHAR(20));

INSERT INTO like_ex VALUES
  ('John  Dddoe'),
  ('Joe   Doe'),
  ('Joe   Doe '),
  (' Joe   Doe '),
  (' Joe \n Doe '),
  ('John_down'),
  ('Joe down'),
  ('Elaine'),
  (''),
  (null),
  ('1000 times'),
  ('100%');

SELECT name
  FROM like_ex
  WHERE name LIKE '%Jo%oe%'
  ORDER BY name;

 SELECT name
  FROM like_ex
  WHERE name LIKE '%Jo%oe%' ESCAPE '\\'
  ORDER BY name;

 SELECT name
  FROM like_ex
  WHERE name NOT LIKE '%Jo%oe%'
  ORDER BY name;

 SELECT name
  FROM like_ex
  WHERE name NOT LIKE '%Jo%oe%' ESCAPE '\\'
  ORDER BY name;

 SELECT name
  FROM like_ex
  WHERE name LIKE '%J%h%^_do%' ESCAPE '^'
  ORDER BY name;
 
SELECT name
 FROM like_ex
 WHERE name LIKE '100\\%'
 ORDER BY 1;

 SELECT name
  FROM like_ex
  WHERE name LIKE '%J%h%^_do%' ESCAPE '^'
  ORDER BY name;
 
SELECT name
 FROM like_ex
 WHERE name LIKE '100\\%' ESCAPE '\\'
 ORDER BY 1;

 SELECT 'abc' LIKE '_B_' AS r1,
       'abc' ILIKE '_B_' AS r2;

 SELECT 'abc' LIKE '_B_' ESCAPE '\\' AS r1,
       'abc' ILIKE '_B_' ESCAPE '\\' AS r2;

 SELECT 'abc' ~~ 'abc' AS r1,
       'abc' !~~ 'a%' AS r2,
       'abc' ~~* '_B_' AS r3,
       'abc' !~~* '_B_' AS r4;

 SELECT 'abc' LIKE 'abc' ESCAPE '\\' AS r1,
       'abc' NOT LIKE 'a%' ESCAPE '\\' AS r2,
       'abc' ILIKE '_B_' ESCAPE '\\' AS r3,
       'abc' NOT ILIKE '_B_' ESCAPE '\\' AS r4;

 CREATE TABLE posix_test_table (
    id INT,
    column_name VARCHAR(255)
);

INSERT INTO posix_test_table (id, column_name)
VALUES
    (1, 'abc123\nhello world'),
    (2, 'test string\nwith multiple lines\nin this entry'),
    (3, '123abc\nanother line\nabc123'),
    (4, 'line1\nline2\nline3'),
    (5, 'start\nmiddle\nend'),
    (6, 'a@b#c!\nmore text here'),
    (7, 'alpha\nbeta\ngamma'),
    (8, 'uppercase\nlowercase'),
    (9, 'line1\nline2\nline3\nline4'),
    (10, '1234567890\nmore digits'),
    (11, 'abc123\nabc456\nabc789'),
    (12, 'start\nend\nmiddle'),
    (13, 'this is the first line\nthis is the second line'),
    (14, 'special characters\n!@#$%^&*()');

 SELECT id, column_name
FROM posix_test_table
WHERE column_name ~ 'a.c';

 SELECT id, column_name
FROM posix_test_table
WHERE REGEXP_COUNT(column_name, 'a.c', 1, 'ms') > 0;

 SELECT id, column_name
FROM posix_test_table
WHERE column_name ~ 'a*b';

 SELECT id, column_name
FROM posix_test_table
WHERE REGEXP_COUNT(column_name, 'a*b', 1, 'ms') > 0;

 SELECT id, column_name
FROM posix_test_table
WHERE column_name !~ 'a?b';

 SELECT id, column_name
FROM posix_test_table
WHERE REGEXP_COUNT(column_name, 'a?b', 1, 'ms') = 0;

 SELECT id, column_name
FROM posix_test_table
WHERE column_name ~ '^abc';

 SELECT id, column_name
FROM posix_test_table
WHERE REGEXP_COUNT(column_name, '^abc', 1, 'ms') > 0;

 SELECT id, column_name
FROM posix_test_table
WHERE column_name !~ '123$';

 SELECT id, column_name
FROM posix_test_table
WHERE REGEXP_COUNT(column_name, '123$', 1, 'ms') = 0;

 CREATE TABLE collateTable (
col1 VARCHAR(20) COLLATE CASE_INSENSITIVE,
col2 VARCHAR(30) COLLATE CASE_SENSITIVE);

INSERT INTO collateTable values ('HELLO WORLD!', 'HELLO WORLD!');

SELECT
col1 ~ 'Hello.*' as ci,
col2 ~ 'Hello.*' as cs
FROM collateTable;

 CREATE TABLE collateTable (
col1 VARCHAR(20) COLLATE 'en-ci',
col2 VARCHAR(30) COLLATE 'en-cs'
)
COMMENT = '{ "origin": "sf_sc", "name": "snowconvert", "version": {  "major": 0,  "minor": 0,  "patch": "0" }, "attributes": {  "component": "redshift",  "convertedOn": "01/16/2025",  "domain": "test" }}';

INSERT INTO collateTable
values ('HELLO WORLD!', 'HELLO WORLD!');

SELECT
REGEXP_COUNT(COLLATE(
--** SSC-FDM-PG0011 - THE USE OF THE COLLATE COLUMN CONSTRAINT HAS BEEN DISABLED FOR THIS PATTERN-MATCHING CONDITION. **
col1, ''), 'Hello.*', 1, 'ms') > 0 as ci,
REGEXP_COUNT(COLLATE(
--** SSC-FDM-PG0011 - THE USE OF THE COLLATE COLUMN CONSTRAINT HAS BEEN DISABLED FOR THIS PATTERN-MATCHING CONDITION. **
col2, ''), 'Hello.*', 1, 'ms') > 0 as cs
FROM
collateTable;

 CREATE TABLE similar_table_ex (
    column_name VARCHAR(255)
);

INSERT INTO similar_table_ex (column_name)
VALUES
    ('abc_123'),
    ('a_cdef'),
    ('bxyz'),
    ('abcc'),
    ('start_hello'),
    ('apple'),
    ('banana'),
    ('xyzabc'),
    ('abc\ncccc'),
    ('\nabccc'),
    ('abc%def'),
    ('abc_xyz'),
    ('abc_1_xyz'),
    ('applepie'),
    ('start%_abc'),
    ('ab%_xyz'),
    ('abcs_123_xyz'),
    ('aabc123'),
    ('xyzxyz'),
    ('123abc\nanother line\nabc123');

 SELECT column_name
FROM similar_table_ex
WHERE column_name SIMILAR TO '%abc%';

 SELECT column_name
FROM similar_table_ex
WHERE RLIKE (column_name, '.*abc.*', 's');

 SELECT column_name
FROM similar_table_ex
WHERE column_name SIMILAR TO 'a_c%';

 SELECT column_name
FROM similar_table_ex
WHERE RLIKE (column_name, 'a.c.*', 's'); 

 SELECT column_name
FROM similar_table_ex
WHERE column_name SIMILAR TO 'a|b%';

 SELECT column_name
FROM similar_table_ex
WHERE RLIKE (column_name, 'a|b.*', 's');

 SELECT column_name
FROM similar_table_ex
WHERE column_name SIMILAR TO 'abc{2,4}';