perquery

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

#!/bin/sh

egrep 'x = "|elapse' | \
awk 'BEGIN { x = 0; y = 0; z = 0; a = 0; } \
     /.*elapse.*/ {x = $2 + x; y = $4 + y; z = $6 + z;} \
     /.*x = ".*/ { \
	 printf "query %2d: %7.3f real %7.3f user %7.3f sys\n", a, x, y, z; \
	 x = 0; y = 0; z = 0; a = a + 1; } \
     END {printf("query %2d: %7.3f real %7.3f user %7.3f sys\n", a, x, y, z);}'