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contain_context_dependent_node_walker() reports a CaseTestExpr as context-dependent unless it sits under a simple CaseExpr or the elemexpr of an ArrayCoerceExpr. A JsonConstructorExpr whose RETURNING type requires a coercion also carries a CaseTestExpr placeholder in that coercion, so any SQL function called with such a constructor as an argument was refused inlining. Teach the walker that a CaseTestExpr is expected within the coercion of a JsonConstructorExpr, the same way it already handles the elemexpr of an ArrayCoerceExpr. This is safe now that eval_const_expressions no longer lets an enclosing simple CASE clobber that placeholder. Author: Richard Guo <guofenglinux@gmail.com> Discussion: https://postgr.es/m/CAMbWs48A=VCFbteTkuCoknO1_0-Cu0aMBT0M07dm7vj1QyixDg@mail.gmail.com Backpatch-through: 19
PostgreSQL Database Management System
This directory contains the source code distribution of the PostgreSQL database management system.
PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings.
Copyright and license information can be found in the file COPYRIGHT.
General documentation about this version of PostgreSQL can be found at https://www.postgresql.org/docs/devel/. In particular, information about building PostgreSQL from the source code can be found at https://www.postgresql.org/docs/devel/installation.html.
The latest version of this software, and related software, may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.