diff --git a/swh/indexer/storage/db.py b/swh/indexer/storage/db.py index 1b5f859..1727b86 100644 --- a/swh/indexer/storage/db.py +++ b/swh/indexer/storage/db.py @@ -1,459 +1,458 @@ # Copyright (C) 2015-2018 The Software Heritage developers # See the AUTHORS file at the top-level directory of this distribution # License: GNU General Public License version 3, or any later version # See top-level LICENSE file for more information from swh.model import hashutil from swh.core.db import BaseDb from swh.core.db.db_utils import execute_values_generator, stored_procedure class Db(BaseDb): """Proxy to the SWH Indexer DB, with wrappers around stored procedures """ content_mimetype_hash_keys = ['id', 'indexer_configuration_id'] def _missing_from_list(self, table, data, hash_keys, cur=None): """Read from table the data with hash_keys that are missing. Args: table (str): Table name (e.g content_mimetype, content_language, etc...) data (dict): Dict of data to read from hash_keys ([str]): List of keys to read in the data dict. Yields: The data which is missing from the db. """ cur = self._cursor(cur) keys = ', '.join(hash_keys) equality = ' AND '.join( ('t.%s = c.%s' % (key, key)) for key in hash_keys ) yield from execute_values_generator( cur, """ select %s from (values %%s) as t(%s) where not exists ( select 1 from %s c where %s ) """ % (keys, keys, table, equality), (tuple(m[k] for k in hash_keys) for m in data) ) def content_mimetype_missing_from_list(self, mimetypes, cur=None): """List missing mimetypes. """ yield from self._missing_from_list( 'content_mimetype', mimetypes, self.content_mimetype_hash_keys, cur=cur) content_mimetype_cols = [ 'id', 'mimetype', 'encoding', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration'] @stored_procedure('swh_mktemp_content_mimetype') def mktemp_content_mimetype(self, cur=None): pass def content_mimetype_add_from_temp(self, conflict_update, cur=None): self._cursor(cur).execute("SELECT swh_content_mimetype_add(%s)", (conflict_update, )) def _convert_key(self, key, main_table='c'): """Convert keys according to specific use in the module. Args: key (str): Key expression to change according to the alias used in the query main_table (str): Alias to use for the main table. Default to c for content_{something}. Expected: Tables content_{something} being aliased as 'c' (something in {language, mimetype, ...}), table indexer_configuration being aliased as 'i'. """ if key == 'id': return '%s.id' % main_table elif key == 'tool_id': return 'i.id as tool_id' elif key == 'licenses': return ''' array(select name from fossology_license where id = ANY( array_agg(%s.license_id))) as licenses''' % main_table return key def _get_from_list(self, table, ids, cols, cur=None, id_col='id'): """Fetches entries from the `table` such that their `id` field (or whatever is given to `id_col`) is in `ids`. Returns the columns `cols`. The `cur`sor is used to connect to the database. """ cur = self._cursor(cur) keys = map(self._convert_key, cols) query = """ select {keys} from (values %s) as t(id) inner join {table} c on c.{id_col}=t.id inner join indexer_configuration i on c.indexer_configuration_id=i.id; """.format( keys=', '.join(keys), id_col=id_col, table=table) yield from execute_values_generator( cur, query, ((_id,) for _id in ids) ) content_indexer_names = { 'mimetype': 'content_mimetype', 'fossology_license': 'content_fossology_license', } def content_get_range(self, content_type, start, end, indexer_configuration_id, limit=1000, with_textual_data=False, cur=None): """Retrieve contents with content_type, within range [start, end] bound by limit and associated to the given indexer configuration id. When asking to work on textual content, that filters on the mimetype table with any mimetype that is not binary. """ cur = self._cursor(cur) table = self.content_indexer_names[content_type] if with_textual_data: extra = """inner join content_mimetype cm on (t.id=cm.id and cm.mimetype like 'text/%%')""" else: extra = "" query = """select t.id from %s t inner join indexer_configuration ic on t.indexer_configuration_id=ic.id %s where ic.id=%%s and %%s <= t.id and t.id <= %%s order by t.indexer_configuration_id, t.id limit %%s""" % (table, extra) cur.execute(query, (indexer_configuration_id, start, end, limit)) yield from cur def content_mimetype_get_from_list(self, ids, cur=None): yield from self._get_from_list( 'content_mimetype', ids, self.content_mimetype_cols, cur=cur) content_language_hash_keys = ['id', 'indexer_configuration_id'] def content_language_missing_from_list(self, languages, cur=None): """List missing languages. """ yield from self._missing_from_list( 'content_language', languages, self.content_language_hash_keys, cur=cur) content_language_cols = [ 'id', 'lang', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration'] @stored_procedure('swh_mktemp_content_language') def mktemp_content_language(self, cur=None): pass def content_language_add_from_temp(self, conflict_update, cur=None): self._cursor(cur).execute("SELECT swh_content_language_add(%s)", (conflict_update, )) def content_language_get_from_list(self, ids, cur=None): yield from self._get_from_list( 'content_language', ids, self.content_language_cols, cur=cur) content_ctags_hash_keys = ['id', 'indexer_configuration_id'] def content_ctags_missing_from_list(self, ctags, cur=None): """List missing ctags. """ yield from self._missing_from_list( 'content_ctags', ctags, self.content_ctags_hash_keys, cur=cur) content_ctags_cols = [ 'id', 'name', 'kind', 'line', 'lang', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration'] @stored_procedure('swh_mktemp_content_ctags') def mktemp_content_ctags(self, cur=None): pass def content_ctags_add_from_temp(self, conflict_update, cur=None): self._cursor(cur).execute("SELECT swh_content_ctags_add(%s)", (conflict_update, )) def content_ctags_get_from_list(self, ids, cur=None): cur = self._cursor(cur) keys = map(self._convert_key, self.content_ctags_cols) yield from execute_values_generator( cur, """ select %s from (values %%s) as t(id) inner join content_ctags c on c.id=t.id inner join indexer_configuration i on c.indexer_configuration_id=i.id order by line """ % ', '.join(keys), ((_id,) for _id in ids) ) def content_ctags_search(self, expression, last_sha1, limit, cur=None): cur = self._cursor(cur) if not last_sha1: query = """SELECT %s FROM swh_content_ctags_search(%%s, %%s)""" % ( ','.join(self.content_ctags_cols)) cur.execute(query, (expression, limit)) else: if last_sha1 and isinstance(last_sha1, bytes): last_sha1 = '\\x%s' % hashutil.hash_to_hex(last_sha1) elif last_sha1: last_sha1 = '\\x%s' % last_sha1 query = """SELECT %s FROM swh_content_ctags_search(%%s, %%s, %%s)""" % ( ','.join(self.content_ctags_cols)) cur.execute(query, (expression, limit, last_sha1)) yield from cur content_fossology_license_cols = [ 'id', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration', 'licenses'] @stored_procedure('swh_mktemp_content_fossology_license') def mktemp_content_fossology_license(self, cur=None): pass def content_fossology_license_add_from_temp(self, conflict_update, cur=None): """Add new licenses per content. """ self._cursor(cur).execute( "SELECT swh_content_fossology_license_add(%s)", (conflict_update, )) def content_fossology_license_get_from_list(self, ids, cur=None): """Retrieve licenses per id. """ cur = self._cursor(cur) keys = map(self._convert_key, self.content_fossology_license_cols) yield from execute_values_generator( cur, """ select %s from (values %%s) as t(id) inner join content_fossology_license c on t.id=c.id inner join indexer_configuration i on i.id=c.indexer_configuration_id group by c.id, i.id, i.tool_name, i.tool_version, i.tool_configuration; """ % ', '.join(keys), ((_id,) for _id in ids) ) content_metadata_hash_keys = ['id', 'indexer_configuration_id'] def content_metadata_missing_from_list(self, metadata, cur=None): """List missing metadata. """ yield from self._missing_from_list( 'content_metadata', metadata, self.content_metadata_hash_keys, cur=cur) content_metadata_cols = [ 'id', 'metadata', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration'] @stored_procedure('swh_mktemp_content_metadata') def mktemp_content_metadata(self, cur=None): pass def content_metadata_add_from_temp(self, conflict_update, cur=None): self._cursor(cur).execute("SELECT swh_content_metadata_add(%s)", (conflict_update, )) def content_metadata_get_from_list(self, ids, cur=None): yield from self._get_from_list( 'content_metadata', ids, self.content_metadata_cols, cur=cur) revision_intrinsic_metadata_hash_keys = [ 'id', 'indexer_configuration_id'] def revision_intrinsic_metadata_missing_from_list( self, metadata, cur=None): """List missing metadata. """ yield from self._missing_from_list( 'revision_intrinsic_metadata', metadata, self.revision_intrinsic_metadata_hash_keys, cur=cur) revision_intrinsic_metadata_cols = [ 'id', 'metadata', 'mappings', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration'] @stored_procedure('swh_mktemp_revision_intrinsic_metadata') def mktemp_revision_intrinsic_metadata(self, cur=None): pass def revision_intrinsic_metadata_add_from_temp( self, conflict_update, cur=None): self._cursor(cur).execute( "SELECT swh_revision_intrinsic_metadata_add(%s)", (conflict_update, )) def revision_intrinsic_metadata_delete( self, entries, cur=None): cur = self._cursor(cur) cur.execute( "DELETE from revision_intrinsic_metadata " "WHERE (id, indexer_configuration_id) IN " " (VALUES %s)" % (', '.join('%s' for _ in entries)), tuple((e['id'], e['indexer_configuration_id']) for e in entries),) def revision_intrinsic_metadata_get_from_list(self, ids, cur=None): yield from self._get_from_list( 'revision_intrinsic_metadata', ids, self.revision_intrinsic_metadata_cols, cur=cur) origin_intrinsic_metadata_cols = [ 'id', 'origin_url', 'metadata', 'from_revision', 'mappings', 'tool_id', 'tool_name', 'tool_version', 'tool_configuration'] origin_intrinsic_metadata_regconfig = 'pg_catalog.simple' """The dictionary used to normalize 'metadata' and queries. 'pg_catalog.simple' provides no stopword, so it should be suitable for proper names and non-English content. When updating this value, make sure to add a new index on origin_intrinsic_metadata.metadata.""" @stored_procedure('swh_mktemp_origin_intrinsic_metadata') def mktemp_origin_intrinsic_metadata(self, cur=None): pass def origin_intrinsic_metadata_add_from_temp( self, conflict_update, cur=None): cur = self._cursor(cur) cur.execute( "SELECT swh_origin_intrinsic_metadata_add(%s)", (conflict_update, )) def origin_intrinsic_metadata_delete( self, entries, cur=None): cur = self._cursor(cur) cur.execute( "DELETE from origin_intrinsic_metadata " "WHERE (id, indexer_configuration_id) IN" " (VALUES %s)" % (', '.join('%s' for _ in entries)), tuple((e['id'], e['indexer_configuration_id']) for e in entries),) def origin_intrinsic_metadata_get_from_list(self, orig_ids, cur=None): yield from self._get_from_list( 'origin_intrinsic_metadata', orig_ids, self.origin_intrinsic_metadata_cols, cur=cur, id_col='id') def origin_intrinsic_metadata_search_fulltext(self, terms, *, limit, cur): regconfig = self.origin_intrinsic_metadata_regconfig tsquery_template = ' && '.join("plainto_tsquery('%s', %%s)" % regconfig for _ in terms) tsquery_args = [(term,) for term in terms] keys = (self._convert_key(col, 'oim') for col in self.origin_intrinsic_metadata_cols) query = ("SELECT {keys} FROM origin_intrinsic_metadata AS oim " "INNER JOIN indexer_configuration AS i " "ON oim.indexer_configuration_id=i.id " "JOIN LATERAL (SELECT {tsquery_template}) AS s(tsq) ON true " "WHERE oim.metadata_tsvector @@ tsq " "ORDER BY ts_rank(oim.metadata_tsvector, tsq, 1) DESC " "LIMIT %s;" ).format(keys=', '.join(keys), - regconfig=regconfig, tsquery_template=tsquery_template) cur.execute(query, tsquery_args + [limit]) yield from cur def origin_intrinsic_metadata_search_by_producer( self, start, end, limit, ids_only, mappings, tool_ids, cur): if ids_only: keys = 'oim.id' else: keys = ', '.join((self._convert_key(col, 'oim') for col in self.origin_intrinsic_metadata_cols)) query_parts = [ "SELECT %s" % keys, "FROM origin_intrinsic_metadata AS oim", "INNER JOIN indexer_configuration AS i", "ON oim.indexer_configuration_id=i.id", ] args = [] where = [] if start: where.append('oim.id >= %s') args.append(start) if end: where.append('oim.id <= %s') args.append(end) if mappings is not None: where.append('oim.mappings && %s') args.append(mappings) if tool_ids is not None: where.append('oim.indexer_configuration_id = ANY(%s)') args.append(tool_ids) if where: query_parts.append('WHERE') query_parts.append(' AND '.join(where)) if limit: query_parts.append('LIMIT %s') args.append(limit) cur.execute(' '.join(query_parts), args) yield from cur indexer_configuration_cols = ['id', 'tool_name', 'tool_version', 'tool_configuration'] @stored_procedure('swh_mktemp_indexer_configuration') def mktemp_indexer_configuration(self, cur=None): pass def indexer_configuration_add_from_temp(self, cur=None): cur = self._cursor(cur) cur.execute("SELECT %s from swh_indexer_configuration_add()" % ( ','.join(self.indexer_configuration_cols), )) yield from cur def indexer_configuration_get(self, tool_name, tool_version, tool_configuration, cur=None): cur = self._cursor(cur) cur.execute('''select %s from indexer_configuration where tool_name=%%s and tool_version=%%s and tool_configuration=%%s''' % ( ','.join(self.indexer_configuration_cols)), (tool_name, tool_version, tool_configuration)) return cur.fetchone()