Added Colume init for string, array , map and tuple

Author: mzitnik

clickhouse-data/src/main/java/com/clickhouse/data/ClickHouseColumn.java

@@ -639,6 +639,37 @@ public static ClickHouseColumn of(String columnName, String columnType) {
         return list.get(0);
     }
 
+    public static ClickHouseColumn of(ClickHouseDataType dataType) {
+        return ClickHouseColumn.of(dataType, false);
+    }
+
+    public static ClickHouseColumn of(ClickHouseDataType dataType, boolean nullable) {
+        return ClickHouseColumn.of("", dataType, nullable);
+    }
+
+    public static ClickHouseColumn string(boolean nullable) {
+        return ClickHouseColumn.of(ClickHouseDataType.String, nullable);
+    }
+
+    public static ClickHouseColumn string() {
+        return ClickHouseColumn.of(ClickHouseDataType.String, false);
+    }
+
+    public static ClickHouseColumn array(String columnName, boolean nullable, ClickHouseColumn innerColumn) {
+        return ClickHouseColumn.of(columnName, ClickHouseDataType.Array, nullable, innerColumn);
+    }
+
+    public static ClickHouseColumn map(String columnName, boolean nullable, ClickHouseDataType keyColumn, ClickHouseColumn valueColumn) {
+        return ClickHouseColumn.of(columnName, ClickHouseDataType.Map, nullable,
+                ClickHouseColumn.of(keyColumn),
+                valueColumn);
+    }
+
+    public static ClickHouseColumn tuple(String columnName, boolean nullable, ClickHouseColumn... innerColumn) {
+        return ClickHouseColumn.of(columnName, ClickHouseDataType.Tuple, nullable, innerColumn);
+    }
+
+
     public static List<ClickHouseColumn> parse(String args) {
         if (args == null || args.isEmpty()) {
             return Collections.emptyList();