Add news data support

- Refactor everything in the process, oops

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

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

@@ -1,5 +1,6 @@
 CREATE TABLE IF NOT EXISTS qrust.assets (
-    symbol String,
+    symbol LowCardinality(String),
+    abbreviation LowCardinality(String),
     class Enum('us_equity' = 1, 'crypto' = 2),
     exchange Enum(
         'AMEX' = 1,
@@ -11,13 +12,14 @@ CREATE TABLE IF NOT EXISTS qrust.assets (
         'OTC' = 7,
         'CRYPTO' = 8
     ),
-    time_added DateTime DEFAULT now()
+    time_added DateTime DEFAULT now(),
+    CONSTRAINT abbreviation ASSUME replace(symbol, '/', '') = abbreviation
 )
 ENGINE = ReplacingMergeTree()
 PRIMARY KEY symbol;
 
 CREATE TABLE IF NOT EXISTS qrust.bars (
-    symbol String,
+    symbol LowCardinality(String),
     time DateTime,
     open Float64,
     high Float64,
@@ -31,8 +33,30 @@ ENGINE = ReplacingMergeTree()
 PRIMARY KEY (symbol, time)
 PARTITION BY toYYYYMM(time);
 
-CREATE TABLE IF NOT EXISTS qrust.backfills (
-    symbol String,
+CREATE TABLE IF NOT EXISTS qrust.backfills_bars (
+    symbol LowCardinality(String),
+    time DateTime
+)
+ENGINE = ReplacingMergeTree()
+PRIMARY KEY symbol;
+
+CREATE TABLE IF NOT EXISTS qrust.news (
+    id Int64,
+    time_created DateTime,
+    time_updated DateTime,
+    symbols Array(LowCardinality(String)),
+    headline String,
+    author String,
+    source Nullable(String),
+    summary Nullable(String),
+    url Nullable(String),
+)
+ENGINE = ReplacingMergeTree()
+PARTITION BY toYYYYMM(time_created)
+PRIMARY KEY id;
+
+CREATE TABLE IF NOT EXISTS qrust.backfills_news (
+    symbol LowCardinality(String),
     time DateTime
 )
 ENGINE = ReplacingMergeTree()