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This commit removes most of the Plan and Path nodes, which should never be included in the query jumbling because we ignore these in Query nodes. This is facilitated by making no_query_jumble an inherited attribute, like no_copy, no_equal and no_read when the supertype of a node is found as marked with that. RawStmt is not used in parsed queries, so it can be removed from the query jumbling. A couple of nodes defined in pathnodes.h, plannodes.h and primnodes.h with NodeTag as supertype need to be marked individually. Forcing the execution of the query jumbling code with compute_query_id = auto while pg_stat_statements is loaded brings the code coverage of queryjumblefuncs.funcs.c to 95.6%. The core code does not yet include a way to enforce the execution in query jumbling except in pg_stat_statements, so the numbers I am mentioning above will not reflect on the default coverage report with just what is done in this commit. Reported-by: Tom Lane Reviewed-by: Tom Lane Discussion: https://postgr.es/m/3344827.1675809127@sss.pgh.pa.us |
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| COPYRIGHT | ||
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| HISTORY | ||
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| README | ||
| README.git | ||
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. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.