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perf scripts python: Fix query in call-graph-from-postgresql.py

Add a missing space which seemed not to affect PostgreSQL but upsets
SQLite.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Link: http://lkml.kernel.org/r/1501749090-20357-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

authored by

Adrian Hunter and committed by
Arnaldo Carvalho de Melo 2295e9f8 c8a82728

+1 -1
+1 -1
tools/perf/scripts/python/call-graph-from-postgresql.py
··· 160 160 '( SELECT short_name FROM dsos WHERE id = ( SELECT dso_id FROM symbols WHERE id = ( SELECT symbol_id FROM call_paths WHERE id = call_path_id ) ) ), ' 161 161 '( SELECT ip FROM call_paths where id = call_path_id ) ' 162 162 'FROM calls WHERE parent_call_path_id = ' + str(self.call_path_id) + ' AND comm_id = ' + str(self.comm_id) + ' AND thread_id = ' + str(self.thread_id) + 163 - 'ORDER BY call_path_id') 163 + ' ORDER BY call_path_id') 164 164 if not ret: 165 165 raise Exception("Query failed: " + query.lastError().text()) 166 166 last_call_path_id = 0