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ba90eac7a9
There are many grammar flavors that depend on the parse node VariableSetStmt. This closes the gap in pg_stat_statements by providing test coverage for what should be a large majority of them, improving more the work begun in de2aca288569. This will be used to ease the evaluation of a path towards more normalization of SET queries with query jumbling. Note that SET NAMES (grammar from the standard, synonym of SET client_encoding) is omitted on purpose, this could use UTF8 with a conditional script where UTF8 is supported, but that does not seem worth the maintenance cost for the sake of these tests. The author has submitted most of these in a TAP test (filled in any holes I could spot), still queries in a SQL file of pg_stat_statements is able to achieve the same goal while being easier to look at when testing normalization patterns. Author: Greg Sabino Mullane, Michael Paquier Discussion: https://postgr.es/m/CAKAnmmJtJY2jzQN91=2QAD2eAJAA-Per61eyO48-TyxEg-q0Rg@mail.gmail.com