4 # Copyright (C) 2000, 2001, 2002 James Troup <james@nocrew.org>
5 # $Id: db_access.py,v 1.14 2002-10-16 02:47:32 troup Exp $
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 ############################################################################################
25 ############################################################################################
30 section_id_cache = {};
31 priority_id_cache = {};
32 override_type_id_cache = {};
33 architecture_id_cache = {};
34 archive_id_cache = {};
35 component_id_cache = {};
36 location_id_cache = {};
37 maintainer_id_cache = {};
40 maintainer_cache = {};
41 fingerprint_id_cache = {};
43 ############################################################################################
45 def init (config, sql):
53 sys.stderr.write("query: \"%s\" ... " % (q));
55 r = projectB.query(q);
56 time_diff = time.time()-before;
57 sys.stderr.write("took %.3f seconds.\n" % (time_diff));
60 ############################################################################################
62 def get_suite_id (suite):
65 if suite_id_cache.has_key(suite):
66 return suite_id_cache[suite]
68 q = projectB.query("SELECT id FROM suite WHERE suite_name = '%s'" % (suite))
74 suite_id_cache[suite] = suite_id
78 def get_section_id (section):
79 global section_id_cache
81 if section_id_cache.has_key(section):
82 return section_id_cache[section]
84 q = projectB.query("SELECT id FROM section WHERE section = '%s'" % (section))
89 section_id = ql[0][0];
90 section_id_cache[section] = section_id
94 def get_priority_id (priority):
95 global priority_id_cache
97 if priority_id_cache.has_key(priority):
98 return priority_id_cache[priority]
100 q = projectB.query("SELECT id FROM priority WHERE priority = '%s'" % (priority))
105 priority_id = ql[0][0];
106 priority_id_cache[priority] = priority_id
110 def get_override_type_id (type):
111 global override_type_id_cache;
113 if override_type_id_cache.has_key(type):
114 return override_type_id_cache[type];
116 q = projectB.query("SELECT id FROM override_type WHERE type = '%s'" % (type));
121 override_type_id = ql[0][0];
122 override_type_id_cache[type] = override_type_id;
124 return override_type_id;
126 def get_architecture_id (architecture):
127 global architecture_id_cache;
129 if architecture_id_cache.has_key(architecture):
130 return architecture_id_cache[architecture];
132 q = projectB.query("SELECT id FROM architecture WHERE arch_string = '%s'" % (architecture))
137 architecture_id = ql[0][0];
138 architecture_id_cache[architecture] = architecture_id;
140 return architecture_id;
142 def get_archive_id (archive):
143 global archive_id_cache
145 archive = archive.lower();
147 if archive_id_cache.has_key(archive):
148 return archive_id_cache[archive]
150 q = projectB.query("SELECT id FROM archive WHERE lower(name) = '%s'" % (archive));
155 archive_id = ql[0][0]
156 archive_id_cache[archive] = archive_id
160 def get_component_id (component):
161 global component_id_cache
163 component = component.lower();
165 if component_id_cache.has_key(component):
166 return component_id_cache[component]
168 q = projectB.query("SELECT id FROM component WHERE lower(name) = '%s'" % (component))
173 component_id = ql[0][0];
174 component_id_cache[component] = component_id
178 def get_location_id (location, component, archive):
179 global location_id_cache
181 cache_key = location + '~' + component + '~' + location
182 if location_id_cache.has_key(cache_key):
183 return location_id_cache[cache_key]
185 archive_id = get_archive_id (archive)
187 component_id = get_component_id (component)
188 if component_id != -1:
189 q = projectB.query("SELECT id FROM location WHERE path = '%s' AND component = %d AND archive = %d" % (location, component_id, archive_id))
191 q = projectB.query("SELECT id FROM location WHERE path = '%s' AND archive = %d" % (location, archive_id))
196 location_id = ql[0][0]
197 location_id_cache[cache_key] = location_id
201 def get_source_id (source, version):
202 global source_id_cache
204 cache_key = source + '~' + version + '~'
205 if source_id_cache.has_key(cache_key):
206 return source_id_cache[cache_key]
208 q = projectB.query("SELECT id FROM source s WHERE s.source = '%s' AND s.version = '%s'" % (source, version))
210 if not q.getresult():
213 source_id = q.getresult()[0][0]
214 source_id_cache[cache_key] = source_id
218 ##########################################################################################
220 def get_or_set_maintainer_id (maintainer):
221 global maintainer_id_cache
223 if maintainer_id_cache.has_key(maintainer):
224 return maintainer_id_cache[maintainer]
226 q = projectB.query("SELECT id FROM maintainer WHERE name = '%s'" % (maintainer))
227 if not q.getresult():
228 projectB.query("INSERT INTO maintainer (name) VALUES ('%s')" % (maintainer))
229 q = projectB.query("SELECT id FROM maintainer WHERE name = '%s'" % (maintainer))
230 maintainer_id = q.getresult()[0][0]
231 maintainer_id_cache[maintainer] = maintainer_id
235 ##########################################################################################
237 def get_or_set_fingerprint_id (fingerprint):
238 global fingerprint_id_cache
240 if fingerprint_id_cache.has_key(fingerprint):
241 return fingerprint_id_cache[fingerprint]
243 q = projectB.query("SELECT id FROM fingerprint WHERE fingerprint = '%s'" % (fingerprint))
244 if not q.getresult():
245 projectB.query("INSERT INTO fingerprint (fingerprint) VALUES ('%s')" % (fingerprint))
246 q = projectB.query("SELECT id FROM fingerprint WHERE fingerprint = '%s'" % (fingerprint))
247 fingerprint_id = q.getresult()[0][0]
248 fingerprint_id_cache[fingerprint] = fingerprint_id
250 return fingerprint_id
252 ##########################################################################################
254 def get_files_id (filename, size, md5sum, location_id):
255 global files_id_cache
257 cache_key = "%s~%d" % (filename, location_id);
259 if files_id_cache.has_key(cache_key):
260 return files_id_cache[cache_key]
263 q = projectB.query("SELECT id, size, md5sum FROM files WHERE filename = '%s' AND location = %d" % (filename, location_id));
269 orig_size = int(ql[1]);
271 if orig_size != size or orig_md5sum != md5sum:
273 files_id_cache[cache_key] = ql[0];
274 return files_id_cache[cache_key]
279 ##########################################################################################
281 def set_files_id (filename, size, md5sum, location_id):
282 global files_id_cache
284 projectB.query("INSERT INTO files (filename, size, md5sum, location) VALUES ('%s', %d, '%s', %d)" % (filename, long(size), md5sum, location_id));
286 return get_files_id (filename, size, md5sum, location_id);
288 ### currval has issues with postgresql 7.1.3 when the table is big;
289 ### it was taking ~3 seconds to return on auric which is very Not
292 ##q = projectB.query("SELECT id FROM files WHERE id = currval('files_id_seq')");
293 ##ql = q.getresult()[0];
294 ##cache_key = "%s~%d" % (filename, location_id);
295 ##files_id_cache[cache_key] = ql[0]
296 ##return files_id_cache[cache_key];
298 ##########################################################################################
300 def get_maintainer (maintainer_id):
301 global maintainer_cache;
303 if not maintainer_cache.has_key(maintainer_id):
304 q = projectB.query("SELECT name FROM maintainer WHERE id = %s" % (maintainer_id));
305 maintainer_cache[maintainer_id] = q.getresult()[0][0];
307 return maintainer_cache[maintainer_id];
309 ##########################################################################################