perf scripts python: exported-sql-viewer.py: Fix use of TRUE with SQLite

Prior to version 3.23 SQLite does not support TRUE or FALSE, so always
use 1 and 0 for SQLite.

Fixes: 26c11206 ("perf scripts python: exported-sql-viewer.py: Use new 'has_calls' column")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: stable@vger.kernel.org # v5.3+
Link: http://lore.kernel.org/lkml/20191113120206.26957-1-adrian.hunter@intel.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/scripts/python/exported-sql-viewer.py

@@ -637,7 +637,7 @@ class CallGraphRootItem(CallGraphLevelItemBase):
 		self.query_done = True
 		if_has_calls = ""
 		if IsSelectable(glb.db, "comms", columns = "has_calls"):
-			if_has_calls = " WHERE has_calls = TRUE"
+			if_has_calls = " WHERE has_calls = " + glb.dbref.TRUE
 		query = QSqlQuery(glb.db)
 		QueryExec(query, "SELECT id, comm FROM comms" + if_has_calls)
 		while query.next():
@@ -918,7 +918,7 @@ class CallTreeRootItem(CallGraphLevelItemBase):
 		self.query_done = True
 		if_has_calls = ""
 		if IsSelectable(glb.db, "comms", columns = "has_calls"):
-			if_has_calls = " WHERE has_calls = TRUE"
+			if_has_calls = " WHERE has_calls = " + glb.dbref.TRUE
 		query = QSqlQuery(glb.db)
 		QueryExec(query, "SELECT id, comm FROM comms" + if_has_calls)
 		while query.next():
@@ -1290,7 +1290,7 @@ class SwitchGraphData(GraphData):
 		QueryExec(query, "SELECT id, c_time"
 					" FROM comms"
 					" WHERE c_thread_id = " + str(thread_id) +
-					"   AND exec_flag = TRUE"
+					"   AND exec_flag = " + self.collection.glb.dbref.TRUE +
 					"   AND c_time >= " + str(start_time) +
 					"   AND c_time <= " + str(end_time) +
 					" ORDER BY c_time, id")
@@ -5016,6 +5016,12 @@ class DBRef():
 	def __init__(self, is_sqlite3, dbname):
 		self.is_sqlite3 = is_sqlite3
 		self.dbname = dbname
+		self.TRUE = "TRUE"
+		self.FALSE = "FALSE"
+		# SQLite prior to version 3.23 does not support TRUE and FALSE
+		if self.is_sqlite3:
+			self.TRUE = "1"
+			self.FALSE = "0"
 
 	def Open(self, connection_name):
 		dbname = self.dbname