should work

Author: waralexrom

packages/cubejs-schema-compiler/src/adapter/BigqueryQuery.ts

@@ -42,7 +42,7 @@ export class BigqueryQuery extends BaseQuery {
   }
 
   public convertTz(field) {
-    return `DATETIME(${field}, '${this.timezone}')`;
+    return `DATETIME(${this.timeStampCast(field)}, '${this.timezone}')`;
   }
 
   public timeStampCast(value) {
@@ -262,7 +262,7 @@ export class BigqueryQuery extends BaseQuery {
     templates.expressions.binary = '{% if op == \'%\' %}MOD({{ left }}, {{ right }}){% else %}({{ left }} {{ op }} {{ right }}){% endif %}';
     templates.expressions.interval = 'INTERVAL {{ interval }}';
     templates.expressions.extract = 'EXTRACT({% if date_part == \'DOW\' %}DAYOFWEEK{% elif date_part == \'DOY\' %}DAYOFYEAR{% else %}{{ date_part }}{% endif %} FROM {{ expr }})';
-    templates.expressions.timestamp_literal = 'TIMESTAMP(\'{{ value }}\')';
+    templates.expressions.timestamp_literal = 'DATETIME(TIMESTAMP(\'{{ value }}\'))';
     delete templates.expressions.ilike;
     delete templates.expressions.like_escape;
     templates.filters.like_pattern = 'CONCAT({% if start_wild %}\'%\'{% else %}\'\'{% endif %}, LOWER({{ value }}), {% if end_wild %}\'%\'{% else %}\'\'{% endif %})';