demidovich / sql

Sql Postgres

jsonb

• jsonb_array_set (jsonb_array, value, new_value): add or replace jsonb array value
• jsonb_array_remove (jsonb_array, value): remove value from jsonb array

jsonb_array_set

USAGE:

SELECT jsonb_array_set('["a","b","c"]'::jsonb, 'b', 'd');
 jsonb_array_set 
-----------------
 ["a", "c", "d"]

SELECT jsonb_array_set('["a","b","c"]'::jsonb, null, 'd');
   jsonb_array_set    
----------------------
 ["a", "b", "c", "d"]

BULLETPROOF:

SELECT jsonb_array_set('["a","b","c"]'::jsonb, 'c');
 jsonb_array_set 
-----------------
 ["a", "b", "c"]

SELECT jsonb_array_set('["a","b","c"]'::jsonb, 'c', 'c');
 jsonb_array_set 
-----------------
 ["a", "b", "c"]

SELECT jsonb_array_set('["a","b","c"]'::jsonb, 'd', 'e');
 jsonb_array_set 
-----------------
 ["a", "b", "c"]

jsonb_array_remove

USAGE:

SELECT jsonb_array_remove('["a","b","c"]'::jsonb, 'c');
 jsonb_array_remove 
--------------------
 ["a", "b"]

BULLETPROOF:

SELECT jsonb_array_remove('["a","b","c"]'::jsonb, 'd');
 jsonb_array_remove 
--------------------
 ["a", "b", "c"]

SELECT jsonb_array_remove('{"a":"1","b":"2","c":"3"}'::jsonb, 'a');
       jsonb_array_remove       
--------------------------------
 {"a": "1", "b": "2", "c": "3"}

obfuscate data

• random_word (integer): generate random word
• obfuscate_text (text): obfuscate text processing while preserving word length and space
• obfuscate_text_upper (text): uppercase obfuscated text
• obfuscate_text_ucfirst (text): obfuscated text with first char in uppercase

random_word

USAGE:

SELECT random_word(5);
 random_word 
-------------
 bfjxw

obfuscate_text

USAGE:

SELECT obfuscate_text('This is private data');
  obfuscate_text   
-------------------
 rmfg n huukrc hhn

obfuscate_text_upper

USAGE:

SELECT obfuscate_text_upper('This is private data');
 obfuscate_text_upper  
-----------------------
 DHYFX DFX DXXUZQH SMA

obfuscate_text_ucfirst

USAGE:

SELECT obfuscate_text_ucfirst('This is private data');
 obfuscate_text_ucfirst 
------------------------
 Fufrq Xwz Fcaz Gpdb

shard uniqid

shard_uniqid

USAGE:

create sequence if not exists client_id_seq start 1;

select shard_uniqid('client_id_seq');
   shard_uniqid    
-------------------
 21841628834627589

shard_uniqid_fetch

USAGE:

select shard_uniqid_fetch(21841628834627589);
     shard_uniqid_fetch      
-----------------------------
 ("2020-04-27 14:13:21",1,5)