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817f2a5863
PL/Tcl has long had a facility whereby Tcl code could be autoloaded from a database table named "pltcl_modules". However, nobody is using it, as evidenced by the recent discovery that it's never been fixed to work with standard_conforming_strings turned on. Moreover, it's rather shaky from a security standpoint, and the table design is very old and crufty (partly because it dates from before we had TOAST). A final problem is that because the table-population scripts depend on the Tcl client library Pgtcl, which we removed from the core distribution in 2004, it's impossible to create a self-contained regression test for the feature. Rather than try to surmount these problems, let's just remove it. A follow-on patch will provide a way to execute user-defined initialization code, similar to features that exist in plperl and plv8. With that, it will be possible to implement this feature or similar ones entirely in userspace, which is where it belongs. Discussion: https://postgr.es/m/22067.1488046447@sss.pgh.pa.us |
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