on PostgreSQL you'll need to use schema names for enumeration as the counterpart to database names on other DBMSes

[Boopath1]

Running environment:

• sqlmap version {1.5.8.8#dev}
• Operating system: [e.g. wsl]
• Python version [e.g. 3.5.2]

Target details:

• back-end DBMS is PostgreSQL
• back-end DBMS: PostgreSQL (CockroachDB fork)
• WAF/IPS [Akamai Technologies]

[Boopath1]

sqlmap -u https://____________________ --random-agent --dbs --risk 3 --tamper=space2comment --level 5 --dbms PostgreSQL --no-cast --threads 10 --drop-set-cookie --parse-errors

[stamparm]

So, you have WAF/IPS [Akamai Technologies] and you are raising an issue here? Please don't. This is not purely your own work to bypass it (if possible)