1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
# encoding: utf-8
=begin
* Name: SiSU
** Description: documents, structuring, processing, publishing, search
*** modules shared by the different db types, dbi, postgresql, sqlite
** Author: Ralph Amissah
[ralph@amissah.com]
[ralph.amissah@gmail.com]
** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Ralph Amissah,
All Rights Reserved.
** License: GPL 3 or later:
SiSU, a framework for document structuring, publishing and search
Copyright (C) Ralph Amissah
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see [http://www.gnu.org/licenses/].
If you have Internet connection, the latest version of the GPL should be
available at these locations:
[http://www.fsf.org/licensing/licenses/gpl.html]
[http://www.gnu.org/licenses/gpl.html]
** SiSU uses:
* Standard SiSU markup syntax,
* Standard SiSU meta-markup syntax, and the
* Standard SiSU object citation numbering and system
** Hompages:
[http://www.jus.uio.no/sisu]
[http://www.sisudoc.org]
** Git
[http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary]
[http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/db_drop.rb;hb=HEAD]
=end
module SiSU_DbDrop
require_relative 'utils_response' # utils_response.rb
class Drop
include SiSU_Response
def initialize(opt,conn,db_info,sql_type)
@opt,@conn,@db_info,@sql_type=opt,conn,db_info,sql_type
case @sql_type
when :sqlite
cascade=''
else
cascade='CASCADE'
end
@drop_table=[
"DROP TABLE metadata_and_text #{cascade};",
"DROP TABLE doc_objects #{cascade};",
"DROP TABLE urls #{cascade};",
"DROP TABLE endnotes #{cascade};",
"DROP TABLE endnotes_asterisk #{cascade};",
"DROP TABLE endnotes_plus #{cascade};",
]
end
def drop
def tables #% drop all tables
begin
msg_sqlite="as not all disk space is recovered after dropping the database << #{@db_info.sqlite.db} >>, you may be better off deleting the file, and recreating it as necessary"
case @sql_type
when :sqlite
puts msg_sqlite
ans=response?('remove sql database?')
if ans \
and File.exist?(@db_info.sqlite.db)
@conn.close
File.unlink(@db_info.sqlite.db)
db=SiSU_Env::InfoDb.new
conn=db.sqlite.conn_sqlite3
sdb=SiSU_DbDBI::Create.new(@opt,conn,@db_info,@sql_type)
sdb_index=SiSU_DbDBI::Index.new(@opt,conn,@db_info,@sql_type)
sdb.output_dir?
begin
sdb.create_db
sdb.create_table.metadata_and_text
sdb.create_table.doc_objects
sdb.create_table.endnotes
sdb.create_table.endnotes_asterisk
sdb.create_table.endnotes_plus
sdb.create_table.urls
sdb_index.create_indexes
rescue
SiSU_Errors::Rescued.new($!,$@,'-D').location do
__LINE__.to_s + ':' + __FILE__
end
sdb.output_dir?
end
exit
else
@conn.transaction
@drop_table.each do |d|
begin
@conn.exec_params(d)
rescue
next
end
end
@conn.commit
end
when :pg
@conn.transaction
@drop_table.each do |d|
begin
@conn.exec_params(d)
rescue
next
end
end
@conn.commit
end
rescue
case @sql_type
when :sqlite
ans=response?('remove sql database?')
if ans and File.exist?(@db_info.sqlite.db); File.unlink(@db_info.sqlite.db)
end
else
@drop_table.each do |d|
begin
@conn.exec_params(d)
rescue
next
end
end
end
ensure
end
end
def indexes
def conn_execute_array(sql_arr)
@conn.transaction do |conn|
sql_arr.each do |sql|
begin
conn.exec_params(sql)
rescue
next
end
end
end
end
def base #% drop base indexes
print "\n drop documents common indexes\n" unless @opt.act[:quiet][:set]==:on
sql_arr=[
%{DROP INDEX idx_title;},
%{DROP INDEX idx_author;},
%{DROP INDEX idx_filename;},
%{DROP INDEX idx_topics;},
%{DROP INDEX idx_ocn;},
%{DROP INDEX idx_digest_clean;},
%{DROP INDEX idx_digest_all;},
%{DROP INDEX idx_lev0;},
%{DROP INDEX idx_lev1;},
%{DROP INDEX idx_lev2;},
%{DROP INDEX idx_lev3;},
%{DROP INDEX idx_lev4;},
%{DROP INDEX idx_lev5;},
%{DROP INDEX idx_lev6;},
%{DROP INDEX idx_endnote_nr;},
%{DROP INDEX idx_digest_en;},
%{DROP INDEX idx_endnote_nr_asterisk;},
%{DROP INDEX idx_endnote_asterisk;},
%{DROP INDEX idx_digest_en_asterisk;},
%{DROP INDEX idx_endnote_nr_plus;},
%{DROP INDEX idx_endnote_plus;},
%{DROP INDEX idx_digest_en_plus},
]
conn_execute_array(sql_arr)
end
def text #% drop TEXT indexes, sqlite
print "\n drop documents TEXT indexes\n" unless @opt.act[:quiet][:set]==:on
sql_arr=[
%{DROP INDEX idx_clean;},
%{DROP INDEX idx_endnote},
]
conn_execute_array(sql_arr)
end
self
end
indexes.base
@opt.act[:psql][:set]==:on ? '' : indexes.text
self
end
end
end
__END__
|
