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daa8365a90
Applying normalization changes how the following query strings are reflected in pg_stat_statements, by showing Const nodes with a dollar-signed parameter as this is how such queries are structured internally once parsed: - DECLARE - EXPLAIN - CREATE MATERIALIZED VIEW - CREATE TABLE AS More normalization could be done in the future depending on the parts where query jumbling is applied (like A_Const nodes?), the changes being reflected in the regression tests in majority created in de2aca2. This just allows the basics to work for utility queries using Const nodes. Reviewed-by: Bertrand Drouvot Discussion: https://postgr.es/m/Y+MRdEq9W9XVa2AB@paquier.xyz