Fix bars_validity for market close

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

support/clickhouse/docker-entrypoint-initdb.d/0000_init.sql

@@ -28,7 +28,8 @@ CREATE TABLE IF NOT EXISTS qrust.bars (
     vwap Float64
 )
 ENGINE = ReplacingMergeTree()
-PRIMARY KEY (symbol, time);
+PRIMARY KEY (symbol, time)
+PARTITION BY toYYYYMM(time);
 
 CREATE TABLE IF NOT EXISTS qrust.bars_validity (
     symbol String,