PostgreSQL 8.2中增加了很多企业用户所需要的功能和性能上的提高,其开发团队说,该版本将加速更多企业向该数据库移植.核心开发成员之一Bruce Momjian表示,在新版PostgreSQL
源代码在线查看： explain.h
/*------------------------------------------------------------------------- * * explain.h * prototypes for explain.c * * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994-5, Regents of the University of California * * $PostgreSQL: pgsql/src/include/commands/explain.h,v 1.28 2006/10/04 00:30:08 momjian Exp $ * *------------------------------------------------------------------------- */ #ifndef EXPLAIN_H #define EXPLAIN_H #include "executor/executor.h" extern void ExplainQuery(ExplainStmt *stmt, ParamListInfo params, DestReceiver *dest); extern TupleDesc ExplainResultDesc(ExplainStmt *stmt); extern void ExplainOnePlan(QueryDesc *queryDesc, ExplainStmt *stmt, TupOutputState *tstate); #endif /* EXPLAIN_H */
