title: json where clause in postgresql
body: <p>I have save  data in PostgreSQL as given below:</p>
  
  <pre><code>{"tags": "Tag 1,Tag 2,Tag 3"}
  {"tags": "Tag 1,Tag 4,Tag 5"}
  {"tags": "Tag 6,Tag 1,Tag 2"}
  </code></pre>
  
  <p>I want search records where 'Tag 2' or Tag 3 exists?</p>
  
  <p>Table schema, create procedure is as below,</p>
  
  <pre><code>--create table 
  CREATE TABLE "tblIrsInputTagging" ( 
    "IrsInputTaggId" serial NOT NULL, 
    "Irs_tags" json NOT NULL, CONSTRAINT "tblIrsInputTagging_pkey" 
    PRIMARY KEY ("IrsInputTaggId") 
  ) WITH ( OIDS=FALSE ); 
  ALTER TABLE "tblIrsInputTagging" OWNER TO "postgre";
  
  --insert json record 
  
  INSERT INTO "tblIrsInputTagging" ("Irs_tags") 
  VALUES ( '{"tags": "Tag 1,Tag 2,Tag 3"}' );
  
  INSERT INTO "tblIrsInputTagging" ("Irs_tags") 
  VALUES ( '{"tags": "Tag 1,Tag 4,Tag 5"}' ); 
  
  INSERT INTO "tblIrsInputTagging" ("Irs_tags") 
  VALUES ( '{"tags": "Tag 6,Tag 1,Tag 2"}' );
  </code></pre>