[docs] fixes for internal build (#7100)

Author: blinkov

ydb/docs/ru/core/_includes/not_allow_for_olap_note.md

@@ -1,9 +1,9 @@
-{% if backend_name == "YDB" %}
+{% if oss == "true" and backend_name == "YDB" %}
 
 {% note alert %}
 
 {% include [not_allow_for_olap_text](not_allow_for_olap_text.md) %}
 
 {% endnote %}
 
-{% endif %}
+{% endif %}

ydb/docs/ru/core/_includes/ways_add_data_to_olap.md

@@ -1,5 +1,9 @@
+{% if oss %}
+
 Доступные способы загрузки данных в колоночные таблицы:
 * [YDB CLI](../reference/ydb-cli/export-import/import-file.md)
 * [Пакетная вставка данных](../recipes/ydb-sdk/bulk-upsert.md)
 * [FluentBit](../integrations/fluent-bit.md)
-* [Yandex Data Transfer](https://yandex.cloud/ru/services/data-transfer)
+* [Yandex Data Transfer](https://yandex.cloud/ru/services/data-transfer)
+
+{% endif %}

ydb/docs/ru/core/yql/reference/yql-core/syntax/_includes/insert_into.md

@@ -1,6 +1,6 @@
 # INSERT INTO
 
-{% if backend_name == "YDB" %}
+{% if oss == "true" and backend_name == "YDB" %}
 
 {% note warning %}
 

ydb/docs/ru/core/yql/reference/yql-core/syntax/_includes/select/sample.md

@@ -1,6 +1,6 @@
 # TABLESAMPLE и SAMPLE
 
-{% if backend_name == "YDB" %}
+{% if oss == "true" and backend_name == "YDB" %}
 
 {% include [olap_warning_note](../../../../../_includes/not_allow_for_olap_note.md) %}
 

ydb/docs/ru/core/yql/reference/yql-core/syntax/_includes/select/secondary_index.md

@@ -1,6 +1,6 @@
 # VIEW (INDEX)
 
-{% if backend_name == "YDB" %}
+{% if oss == "true" and backend_name == "YDB" %}
 
 {% include [olap_warning_note](../../../../../_includes/not_allow_for_olap_note.md) %}
 

ydb/docs/ru/core/yql/reference/yql-core/syntax/select/union.md

@@ -1,11 +1,11 @@
 # Объединение результатов подзапросов (UNION)
 
-{% if backend_name == "YDB" %}
+{% if oss == "true" and backend_name == "YDB" %}
 
 {% include [olap_warning_note](../../../../_includes/not_allow_for_olap_note.md) %}
 
 {% endif %}
 
 {% include [union](../_includes/select/union.md) %}
 
-{% include [union](../_includes/select/union_all.md) %}
+{% include [union](../_includes/select/union_all.md) %}