important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory their work normally. It shuts down only after all of the sessions terminate normally. This is the Smart Shutdown. SIGINT The server disallows new connections and sends all existing server processes SIGTERM

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5. http://www.postgresql.org iv Preface 5.1. Identifying Bugs Before you report a bug, please of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. vi Preface • Platform information. This includes the kernel name and version, C library, processor their work normally. It shuts down only after all of the sessions terminate normally. This is the Smart Shutdown. SIGINT The server disallows new connections and sends all existing server processes SIGTERM

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory type of shutdown by sending different signals to the master postgres process. SIGTERM This is the Smart Shutdown mode. After receiving SIGTERM, the server disallows new connec- 1. http://lwn.net/Articles/104179/

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory type of shutdown by sending different signals to the master postgres process. SIGTERM This is the Smart Shutdown mode. After receiving SIGTERM, the server disallows new connections, but lets existing sessions

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory type of shutdown by sending different signals to the master postgres process. SIGTERM This is the Smart Shutdown mode. After receiving SIGTERM, the server disallows new connections, but lets existing sessions

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory type of shutdown by sending different signals to the master postgres process. SIGTERM This is the Smart Shutdown mode. After receiving SIGTERM, the server disallows new connec- tions, but lets existing

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory their work normally. It shuts down only after all of the sessions terminate normally. This is the Smart Shutdown. SIGINT The server disallows new connections and sends all existing server processes SIGTERM

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory their work normally. It shuts down only after all of the sessions terminate normally. This is the Smart Shutdown. SIGINT The server disallows new connections and sends all existing server processes SIGTERM

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory attractive if f() is an expensive-to-compute function. However, PostgreSQL's planner is currently not very smart about such cases. It considers a query to be potentially executable by index-only scan only when all

important things on the agenda. If you need help immediately, consider obtaining a commercial support contract. 5.1. Identifying Bugs Before you report a bug, please read and re-read the documentation to verify of PostgreSQL; if you require more than we can provide, consider acquiring a commercial support contract. • Platform information. This includes the kernel name and version, C library, processor, memory attractive if f() is an expensive-to-compute function. However, PostgreSQL's planner is currently not very smart about such cases. It considers a query to be potentially executable by index-only scan only when all