代码搜索:relation
找到约 1,939 项符合「relation」的源代码
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www.eeworm.com/read/100285/6271246
readme
Summary
-------
The optimizer generates optimial query plans by doing several steps:
1) Take each relation in a query, and make a RelOptInfo structure for
it. Find each way of accessing the relatio
www.eeworm.com/read/100285/6271278
c costsize.c
/*-------------------------------------------------------------------------
*
* costsize.c
* Routines to compute (and set) relation sizes and path costs
*
* Copyright (c) 1994, Regents of the U
www.eeworm.com/read/100285/6271428
h gist.h
/*-------------------------------------------------------------------------
*
* gist.h
* common declarations for the GiST access method code.
*
*
*
*
*
*------------------------------------
www.eeworm.com/read/100285/6271435
h rtree.h
/*-------------------------------------------------------------------------
*
* rtree.h
* common declarations for the rtree access method code.
*
*
* Copyright (c) 1994, Regents of the Univers
www.eeworm.com/read/100285/6271439
h nbtree.h
/*-------------------------------------------------------------------------
*
* nbtree.h
* header file for postgres btree access method implementation.
*
*
* Copyright (c) 1994, Regents of the
www.eeworm.com/read/100285/6271580
h plancat.h
/*-------------------------------------------------------------------------
*
* plancat.h
* prototypes for plancat.c.
*
*
* Copyright (c) 1994, Regents of the University of California
*
* $I
www.eeworm.com/read/260907/11687489
cpp 1589.cpp
#include
#include
bool relation[26][26];
bool flag[26][26];
int n = 0, num = 0 ;
int nflag ;
void floyed()
{
int i , j, k=0;
for ( i = 0 ; i < num ; i++ )
for( j
www.eeworm.com/read/260904/11687622
cpp 1589.cpp
#include
#include
bool relation[26][26];
bool flag[26][26];
int n = 0, num = 0 ;
int nflag ;
void floyed()
{
int i , j, k=0;
for ( i = 0 ; i < num ; i++ )
for( j
www.eeworm.com/read/131795/14128321
dat funvfp266.dat
函数 RELATION(nRelationNumber[,nWorkArea|cTableAlias])
功能 返回关联表达式
www.eeworm.com/read/131795/14128690
dat vfpdat51b.dat
说明: (1)用来指定父表的字段表达式,其值将与子表的索引关键字值对照,看二者是否相同.表示子表 ---- 或其所在的工作区.
(2)ADDITIVE保证在建立关联时不取消以前建立的关联.
例:设置的多一关系可用如下命令序列来表达:
SELECT 2
USE bmdm
INDEX ON