pgsql: Doc: improve documentation about run-time pruning's effects on E

Doc: improve documentation about run-time pruning's effects on EXPLAIN. Tatsuo Ishii complained that this para wasn't very intelligible. Try to make it better. Discussion: https://postgr.es/m/[email protected] Branch -- REL_12_STABLE Details --- ht

pgsql: Doc: improve documentation about run-time pruning's effects on E

Doc: improve documentation about run-time pruning's effects on EXPLAIN. Tatsuo Ishii complained that this para wasn't very intelligible. Try to make it better. Discussion: https://postgr.es/m/[email protected] Branch -- REL_11_STABLE Details --- ht

pgsql: Doc: improve documentation about run-time pruning's effects on E

Doc: improve documentation about run-time pruning's effects on EXPLAIN. Tatsuo Ishii complained that this para wasn't very intelligible. Try to make it better. Discussion: https://postgr.es/m/[email protected] Branch -- master Details --- https://g