On 1/13/23 11:13, David G. Johnston wrote:
On Fri, Jan 13, 2023 at 9:12 AM Ron <ronljohnso...@gmail.com> wrote:


    is there any way to *directly* embed v_ssn in another string?


No
As expected, this fails:

    postgres=# SELECT * FROM employee WHERE ssn LIKE :'%v_ssn%';
    ERROR:  syntax error at or near ":"
    LINE 1: SELECT * FROM employee WHERE ssn LIKE :'%v_ssn%';


Two options:

format('%%%s%%', :'v_ssn')

This one looks clean, and works perfectly:

'%' || :'v_ssn' || '%'

--
Born in Arizona, moved to Babylonia.

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