f71519e545
Create a wrapper object, ParallelSlotArray, to encapsulate the number of slots and the slot array itself, plus some other relevant bits of information. This reduces the number of parameters we have to pass around all over the place. Allow for a ParallelSlotArray to contain slots connected to different databases within a single cluster. The current clients of this mechanism don't need this, but it is expected to be used by future patches. Defer connecting to databases until we actually need the connection for something. This is a slight behavior change for vacuumdb and reindexdb. If you specify a number of jobs that is larger than the number of objects, the extra connections will now not be used. But, on the other hand, if you specify a number of jobs that is so large that it's going to fail, the failure would previously have happened before any operations were actually started, and now it won't. Mark Dilger, reviewed by me. Discussion: http://postgr.es/m/12ED3DA8-25F0-4B68-937D-D907CFBF08E7@enterprisedb.com Discussion: http://postgr.es/m/BA592F2D-F928-46FF-9516-2B827F067F57@enterprisedb.com |
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| GNUmakefile.in | ||
| HISTORY | ||
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| README.git | ||
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README
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/.