代码搜索：explain
找到约 1,702 项符合「explain」的源代码
代码结果 1,702
www.eeworm.com/read/183001/5259841
h explain.h
/*-------------------------------------------------------------------------
*
* explain.h
* prototypes for explain.c
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
*
www.eeworm.com/read/180137/5290266
att explain.att
# The Explain Attribute Set
#
# $Id: explain.att,v 1.1 2002/10/22 12:51:09 adam Exp $
name explain
reference Exp-1
att 1 ExplainCategory
att 2 HumanStringLanguage
att 3 DatabaseName
att 4 Tar
www.eeworm.com/read/180137/5290276
tag explain.tag
# Tag set for internal Explain-data management
#
# $Id: explain.tag,v 1.1 2002/10/22 12:51:09 adam Exp $
name explain
reference Explain-tagset
type 4
include tagsetm.tag
#
# Explain categories
#
tag
www.eeworm.com/read/180137/5290300
abs explain.abs
# This Explain schema is used for our internal management and processing of
# explain data. On request, records are mapped to the proper Explain ASN.1
# before transmission.
#
# $Id: explain.abs,v 1.1
www.eeworm.com/read/398634/2374692
result explain.result
drop table if exists t1;
create table t1 (id int not null, str char(10), unique(str));
explain select * from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system N
www.eeworm.com/read/398634/2375532
test explain.test
#
# Test of different EXPLAIN's
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (id int not null, str char(10), unique(str));
explain select * from t1;
insert into t1 va
www.eeworm.com/read/387667/2557045
7 explain.7
.\\" auto-generated by docbook2man-spec $Revision: 1.1.1.1 $
.TH "EXPLAIN" "" "2008-01-03" "SQL - Language Statements" "SQL Commands"
.SH NAME
EXPLAIN \- show the execution plan of a statement
.SH SY
www.eeworm.com/read/387667/2557290
h explain.h
/*-------------------------------------------------------------------------
*
* explain.h
* prototypes for explain.c
*
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
*
www.eeworm.com/read/358128/3003663
result explain.result
drop table if exists t1;
create table t1 (id int not null, str char(10), unique(str));
explain select * from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 system N