Moreover, selecting from the tables that <code>ptoassigneend_us_cleaned</code> is derived from did not yield this string. Therefore, there is likely an error in the SQL script, perhaps with some wonky copy-pasting from the internet.
==== ...this case is hit when postcode is present but none of the other fields are present ====
<nowiki>
patent=# select count(*) from ptoassigneend_us_cleaned where postcode_cleaned = E'£\u009B\u0084Ê\u0082Ò£\u009B\u0084Ë\u
0082';
count
---------
3371136
(1 row)
patent=# select count(*) from ptoassigneend_us_cleaned where postcode_cleaned = E'£\u009B\u0084Ê\u0082Ò£\u009B\u0084Ë\u
0082' and postcode is not null;
count
---------
3371136
(1 row)
patent=# select count(*) from ptoassigneend_us_cleaned where postcode_cleaned = E'£\u009B\u0084Ê\u0082Ò£\u009B\u0084Ë\u 0082' and postcode is not null and postcode_addr1 is null and postcode_addr2 is null and postcode_city is null;
count
---------
3371136
(1 row)</nowiki>
==== ...easy gains can be gotten as a quick fix ====