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Before, if you went past about 64M array elements in array_agg() and allied functions, you got a generic "invalid memory alloc request size" error. This patch replaces that with "array size exceeds the maximum allowed", which seems more user-friendly since it points you to needing to reduce the size of your array result. (This is the same error text you'd get from construct_md_array in the event of overrunning the maximum physical size for the finished array.) Per question from Shaozhong Shi. Since this hasn't come up often, I don't feel a need to back-patch. Discussion: https://postgr.es/m/CA+i5JwYtVS9z2E71PcNKAVPbOn4R2wuj-LqbJsYr_XOz73q7dQ@mail.gmail.com |
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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/.