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Tom Lane a6f22e8356 Show ignored constants as "$N" rather than "?" in pg_stat_statements. ... The trouble with the original choice here is that "?" is a valid (and indeed used) operator name, so that you could end up with ambiguous statement texts like "SELECT ? ? ?". With this patch, you instead see "SELECT $1 ? $2", which seems significantly more readable. The numbers used for this purpose begin after the last actual $N parameter in the particular query. The conflict with external parameters has its own potential for confusion of course, but it was agreed to be an improvement over the previous behavior. Lukas Fittl Discussion: https://postgr.es/m/CAP53PkxeaCuwYmF-A4J5z2-qk5fYFo5_NH3gpXGJJBxv1DMwEw@mail.gmail.com		9 years ago
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pg_stat_statements.sql	Show ignored constants as "$N" rather than "?" in pg_stat_statements.	9 years ago