feat: add Microsoft Fabric and SQL Server support to elementary CLI

.github/workflows/test-all-warehouses.yml

@@ -100,6 +100,8 @@ jobs:
             trino,
             dremio,
             spark,
+            fabric,
+            sqlserver,
           ]
     uses: ./.github/workflows/test-warehouse.yml
     with:

.github/workflows/test-warehouse.yml

@@ -18,6 +18,8 @@ on:
           - duckdb
           - trino
           - dremio
+          - fabric
+          - sqlserver
       elementary-ref:
         type: string
         required: false
@@ -159,6 +161,12 @@ jobs:
         run: |
           docker compose up -d --build --wait spark-thrift
 
+      - name: Start SQL Server
+        if: inputs.warehouse-type == 'sqlserver'
+        working-directory: ${{ env.E2E_DBT_PROJECT_DIR }}
+        run: |
+          docker compose up -d --wait sqlserver
+
       - name: Setup Python
         uses: actions/setup-python@v5
         with:
@@ -168,6 +176,14 @@ jobs:
         if: inputs.warehouse-type == 'spark'
         run: sudo apt-get install -y python3-dev libsasl2-dev gcc
 
+      - name: Install ODBC driver for SQL Server
+        if: inputs.warehouse-type == 'fabric' || inputs.warehouse-type == 'sqlserver'
+        run: |
+          curl -fsSL https://packages.microsoft.com/keys/microsoft.asc | sudo tee /etc/apt/trusted.gpg.d/microsoft.asc > /dev/null
+          curl -fsSL https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/prod.list | sudo tee /etc/apt/sources.list.d/mssql-release.list > /dev/null
+          sudo apt-get update
+          sudo ACCEPT_EULA=Y apt-get install -y msodbcsql18 unixodbc-dev
+
       - name: Install dbt
         run: >
           pip install
@@ -188,7 +204,7 @@ jobs:
           # This enables caching the seeded database state between runs.
           IS_DOCKER=false
           case "${{ inputs.warehouse-type }}" in
-            postgres|clickhouse|trino|dremio|duckdb|spark) IS_DOCKER=true ;;
+            postgres|clickhouse|trino|dremio|duckdb|spark|sqlserver) IS_DOCKER=true ;;
           esac
 
           if [ "$IS_DOCKER" = "true" ]; then

elementary/clients/dbt/transient_errors.py

@@ -45,6 +45,15 @@
     "service unavailable",
 )
 
+_TSQL_TRANSIENT: Tuple[str, ...] = (
+    "connection timed out",
+    "could not connect to the server",
+    "ssl syscall error",
+    "communication link failure",
+    "tcp provider: an existing connection was forcibly closed",
+    "login timeout expired",
+)
+
 _ADAPTER_PATTERNS: Dict[str, Tuple[str, ...]] = {
     "bigquery": (
         # Streaming-buffer delay after a streaming insert.
@@ -109,6 +118,8 @@
         # DuckDB runs in-process; transient errors are rare.
         # Common patterns (connection reset, broken pipe) are in _COMMON.
     ),
+    "fabric": _TSQL_TRANSIENT,
+    "sqlserver": _TSQL_TRANSIENT,
 }
 
 # Pre-computed union of all adapter-specific patterns for the fallback path

elementary/monitor/dbt_project/macros/alerts/population/test_alerts.sql

@@ -128,12 +128,12 @@
     select distinct
         failed_tests.alert_id,
         {# Generate elementary unique id which is used to identify between tests, and set it as alert_class_id #}
-        coalesce(failed_tests.test_unique_id, 'None') || '.' || coalesce(failed_tests.column_name, 'None') || '.' || coalesce(failed_tests.sub_type, 'None') as alert_class_id,
+        {{ dbt.concat(["coalesce(failed_tests.test_unique_id, 'None')", "'.'", "coalesce(failed_tests.column_name, 'None')", "'.'", "coalesce(failed_tests.sub_type, 'None')"]) }} as alert_class_id,
         case
             when failed_tests.test_type = 'schema_change' then failed_tests.test_unique_id
             {# In old versions of elementary, elementary_test_results doesn't contain test_short_name, so we use dbt_test short_name. #}
             when tests.short_name = 'dimension_anomalies' then failed_tests.test_unique_id
-            else coalesce(failed_tests.test_unique_id, 'None') || '.' || coalesce(failed_tests.column_name, 'None') || '.' || coalesce(failed_tests.sub_type, 'None')
+            else {{ dbt.concat(["coalesce(failed_tests.test_unique_id, 'None')", "'.'", "coalesce(failed_tests.column_name, 'None')", "'.'", "coalesce(failed_tests.sub_type, 'None')"]) }}
         end as elementary_unique_id,
         failed_tests.data_issue_id,
         failed_tests.test_execution_id,

elementary/monitor/dbt_project/macros/base_queries/current_tests_run_results_query.sql

@@ -49,7 +49,7 @@
             when elementary_test_results.test_type = 'schema_change' then elementary_test_results.test_unique_id
             {# In old versions of elementary, elementary_test_results doesn't contain test_short_name, so we use dbt_test short_name. #}
             when dbt_tests.short_name = 'dimension_anomalies' then elementary_test_results.test_unique_id
-            else coalesce(elementary_test_results.test_unique_id, 'None') || '.' || coalesce(nullif(elementary_test_results.column_name, ''), 'None') || '.' || coalesce(elementary_test_results.test_sub_type, 'None')
+            else {{ dbt.concat(["coalesce(elementary_test_results.test_unique_id, 'None')", "'.'", "coalesce(nullif(elementary_test_results.column_name, ''), 'None')", "'.'", "coalesce(elementary_test_results.test_sub_type, 'None')"]) }}
         end as elementary_unique_id,
         elementary_test_results.invocation_id,
         elementary_test_results.data_issue_id,

elementary/monitor/dbt_project/macros/base_queries/resources.sql

@@ -7,10 +7,10 @@
         select
             unique_id,
             name,
-            schema_name as schema,
+            schema_name as {{ elementary_cli.edr_quote_identifier('schema') }},
             tags,
             owner as owners,
-            database_name as database
+            database_name as {{ elementary_cli.edr_quote_identifier('database') }}
         from dbt_models
         {% if exclude_elementary %}
             where package_name != 'elementary'
@@ -31,10 +31,10 @@
             unique_id,
             name,
             source_name,
-            schema_name AS schema,
+            schema_name AS {{ elementary_cli.edr_quote_identifier('schema') }},
             tags,
             owner AS owners,
-            database_name as database
+            database_name as {{ elementary_cli.edr_quote_identifier('database') }}
         from dbt_sources
         {% if exclude_elementary %}
             where package_name != 'elementary'

elementary/monitor/dbt_project/macros/get_adapter_type_and_unique_id.sql

@@ -21,3 +21,7 @@
 {% macro duckdb__get_adapter_unique_id() %}
     {{ return(target.path) }}
 {% endmacro %}
+
+{% macro fabric__get_adapter_unique_id() %}
+    {{ return(target.server) }}
+{% endmacro %}

elementary/monitor/dbt_project/macros/get_latest_invocation.sql

@@ -7,7 +7,11 @@
   {% endif %}
 
   {% set get_pkg_version_query %}
+    {% if elementary.is_tsql() %}
+    select top 1 * from {{ invocations_relation }} order by generated_at desc
+    {% else %}
     select * from {{ invocations_relation }} order by generated_at desc limit 1
+    {% endif %}
   {% endset %}
   {% set result = elementary.run_query(get_pkg_version_query) %}
   {% if not result %}

elementary/monitor/dbt_project/macros/get_models_runs.sql

@@ -11,7 +11,7 @@
             unique_id,
             invocation_id,
             name,
-            schema_name as schema,
+            schema_name as {{ elementary_cli.edr_quote_identifier('schema') }},
             status,
             case
                 when status != 'success' then 0

elementary/monitor/dbt_project/macros/get_test_last_invocation.sql

@@ -8,15 +8,15 @@
         ),
 
         test_invocation as (
-            select distinct invocation_id, detected_at
+            select {% if elementary.is_tsql() %}top 1{% endif %} distinct invocation_id, detected_at
             from elementary_test_results
             {% if invocation_id %}
                 where invocation_id = {{ "'" ~ invocation_id ~ "'" }}
             {% elif invocation_max_time %}
                 where detected_at < {{ "'" ~ invocation_max_time ~ "'" }}
             {% endif %}
             order by detected_at desc
-            limit 1
+            {% if not elementary.is_tsql() %}limit 1{% endif %}
         )
 
         {% if invocations_relation %}

elementary/monitor/dbt_project/macros/get_test_results.sql

@@ -2,6 +2,44 @@
     {{ return(adapter.dispatch('get_test_results', 'elementary_cli')(days_back, invocations_per_test, disable_passed_test_metrics)) }}
 {%- endmacro -%}
 
+{#
+    Shared post-processing helper: filters tests by meta, attaches sample data.
+    Called by both default__ and fabric__ dispatches to avoid duplicating the
+    Jinja processing loop.
+#}
+{%- macro _process_raw_test_results(test_results_agate, test_result_rows_agate, elementary_tests_allowlist_status) -%}
+    {% set test_results = [] %}
+    {% set tests = elementary.agate_to_dicts(test_results_agate) %}
+
+    {% set filtered_tests = [] %}
+    {% for test in tests %}
+        {% set test_meta = fromjson(test.meta) %}
+        {% if test_meta.get("elementary", {}).get("include", true) %}
+            {% do filtered_tests.append(test) %}
+        {% endif %}
+    {% endfor %}
+
+    {% for test in filtered_tests %}
+        {% set test_rows_sample = none %}
+        {% if test.invocations_rank_index == 1 %}
+            {% set test_type = test.test_type %}
+            {% set test_params = fromjson(test.test_params) %}
+            {% set status = test.status | lower %}
+
+            {%- if (test_type == 'dbt_test' and status in ['fail', 'warn']) or (test_type != 'dbt_test' and status in elementary_tests_allowlist_status) -%}
+                {% set test_rows_sample = elementary_cli.get_test_rows_sample(test.result_rows, test_result_rows_agate.get(test.id)) %}
+            {%- endif -%}
+        {% else %}
+            {# Null out test_results_query for non-latest invocations to save memory #}
+            {% do test.update({"test_results_query": none}) %}
+        {% endif %}
+        {# Adding sample data to test results #}
+        {% do test.update({"sample_data": test_rows_sample}) %}
+        {% do test_results.append(test) %}
+    {%- endfor -%}
+    {% do return(test_results) %}
+{%- endmacro -%}
+
 {%- macro default__get_test_results(days_back = 7, invocations_per_test = 720, disable_passed_test_metrics = false) -%}
     {% set elementary_tests_allowlist_status = ['fail', 'warn'] if disable_passed_test_metrics else ['fail', 'warn', 'pass']  %}
     {% set select_test_results %}
@@ -59,8 +97,6 @@
         order by test_results.elementary_unique_id, test_results.invocations_rank_index desc
     {%- endset -%}
 
-    {% set test_results = [] %}
-
     {% set elementary_database, elementary_schema = elementary.get_package_database_and_schema() %}
     {% set ordered_test_results_relation = elementary.create_temp_table(elementary_database, elementary_schema, 'ordered_test_results', select_test_results) %}
 
@@ -79,32 +115,63 @@
     {% if not elementary.has_temp_table_support() %}
         {% do elementary.fully_drop_relation(ordered_test_results_relation) %}
     {% endif %}
-    {% set tests = elementary.agate_to_dicts(test_results_agate) %}
 
-    {% set filtered_tests = [] %}
-    {% for test in tests %}
-        {% set test_meta = fromjson(test.meta) %}
-        {% if test_meta.get("elementary", {}).get("include", true) %}
-            {% do filtered_tests.append(test) %}
-        {% endif %}
-    {% endfor %}
+    {% do return(elementary_cli._process_raw_test_results(test_results_agate, test_result_rows_agate, elementary_tests_allowlist_status)) %}
+{%- endmacro -%}
 
-    {% for test in filtered_tests %}
-        {% set test_rows_sample = none %}
-        {% if test.invocations_rank_index == 1 %}
-            {% set test_type = test.test_type %}
-            {% set test_params = fromjson(test.test_params) %}
-            {% set status = test.status | lower %}
+{%- macro fabric__get_test_results(days_back = 7, invocations_per_test = 720, disable_passed_test_metrics = false) -%}
+    {#
+        T-SQL does not allow nested CTEs (WITH inside WITH).
+        current_tests_run_results_query already starts with WITH, so we
+        cannot wrap it in another CTE.  Instead we materialise it into a
+        temp table first, then build ordered_test_results on top.
+        Note: sqlserver adapter inherits from fabric, so this dispatch
+        covers both fabric and sqlserver targets automatically.
+    #}
+    {% set elementary_tests_allowlist_status = ['fail', 'warn'] if disable_passed_test_metrics else ['fail', 'warn', 'pass']  %}
 
-            {%- if (test_type == 'dbt_test' and status in ['fail', 'warn']) or (test_type != 'dbt_test' and status in elementary_tests_allowlist_status) -%}
-                {% set test_rows_sample = elementary_cli.get_test_rows_sample(test.result_rows, test_result_rows_agate.get(test.id)) %}
-            {%- endif -%}
-        {% endif %}
-        {# Adding sample data to test results #}
-        {% do test.update({"sample_data": test_rows_sample}) %}
-        {% do test_results.append(test) %}
-    {%- endfor -%}
-    {% do return(test_results) %}
+    {# Step 1 – materialise the base test-results query into a temp table #}
+    {% set base_query %}
+        {{ elementary_cli.current_tests_run_results_query(days_back=days_back) }}
+    {% endset %}
+
+    {% set elementary_database, elementary_schema = elementary.get_package_database_and_schema() %}
+    {% set base_relation = elementary.create_temp_table(elementary_database, elementary_schema, 'test_results_base', base_query) %}
+
+    {# Step 2 – build ordered_test_results from the materialised base (no nested CTE) #}
+    {% set select_ordered %}
+        select
+            *,
+            {{ elementary.edr_datediff(elementary.edr_cast_as_timestamp('detected_at'), elementary.edr_current_timestamp(), 'day') }} as days_diff,
+            row_number() over (partition by elementary_unique_id order by {{elementary.edr_cast_as_timestamp('detected_at')}} desc) as invocations_rank_index
+        from {{ base_relation }}
+    {% endset %}
+
+    {% set ordered_relation = elementary.create_temp_table(elementary_database, elementary_schema, 'ordered_test_results', select_ordered) %}
+
+    {# Step 3 – final query: filter by invocations_per_test #}
+    {# ORDER BY must be here, not inside create_temp_table — T-SQL forbids ORDER BY in views/subqueries without TOP #}
+    {% set test_results_agate_sql %}
+        select *
+        from {{ ordered_relation }}
+        where invocations_rank_index <= {{ invocations_per_test }}
+        order by elementary_unique_id, invocations_rank_index desc
+    {% endset %}
+
+    {% set valid_ids_query %}
+        select distinct id
+        from {{ ordered_relation }}
+        where invocations_rank_index = 1
+    {% endset %}
+
+    {% set test_results_agate = elementary.run_query(test_results_agate_sql) %}
+    {% set test_result_rows_agate = elementary_cli.get_result_rows_agate(days_back, valid_ids_query) %}
+
+    {# Clean up intermediate tables #}
+    {% do elementary.fully_drop_relation(base_relation) %}
+    {% do elementary.fully_drop_relation(ordered_relation) %}
+
+    {% do return(elementary_cli._process_raw_test_results(test_results_agate, test_result_rows_agate, elementary_tests_allowlist_status)) %}
 {%- endmacro -%}
 
 {%- macro clickhouse__get_test_results(days_back = 7, invocations_per_test = 720, disable_passed_test_metrics = false) -%}
@@ -162,7 +229,7 @@
         CASE
             WHEN etr.test_type = 'schema_change' THEN etr.test_unique_id
             WHEN dt.short_name = 'dimension_anomalies' THEN etr.test_unique_id
-            ELSE coalesce(etr.test_unique_id, 'None') || '.' || coalesce(nullif(etr.column_name, ''), 'None') || '.' || coalesce(etr.test_sub_type, 'None')
+            ELSE {{ dbt.concat(["coalesce(etr.test_unique_id, 'None')", "'.'", "coalesce(nullif(etr.column_name, ''), 'None')", "'.'", "coalesce(etr.test_sub_type, 'None')"]) }}
         END AS elementary_unique_id,
         etr.detected_at,
         etr.database_name,
@@ -239,31 +306,6 @@
     {% if not elementary.has_temp_table_support() %}
         {% do elementary.fully_drop_relation(ordered_test_results_relation) %}
     {% endif %}
-    {% set tests = elementary.agate_to_dicts(test_results_agate) %}
 
-    {% set filtered_tests = [] %}
-    {% for test in tests %}
-        {% set test_meta = fromjson(test.meta) %}
-        {% if test_meta.get("elementary", {}).get("include", true) %}
-            {% do filtered_tests.append(test) %}
-        {% endif %}
-    {% endfor %}
-
-    {% for test in filtered_tests %}
-        {% set test_rows_sample = none %}
-        {% if test.invocations_rank_index == 1 %}
-            {% set test_type = test.test_type %}
-            {% set test_params = fromjson(test.test_params) %}
-            {% set status = test.status | lower %}
-
-            {%- if (test_type == 'dbt_test' and status in ['fail', 'warn']) or (test_type != 'dbt_test' and status in elementary_tests_allowlist_status) -%}
-                {% set test_rows_sample = elementary_cli.get_test_rows_sample(test.result_rows, test_result_rows_agate.get(test.id)) %}
-            {%- endif -%}
-        {% endif %}
-        {# Adding sample data to test results #}
-        {% do test.update({"sample_data": test_rows_sample}) %}
-        {% do test_results.append(test) %}
-    {%- endfor -%}
-
-    {% do return(test_results) %}
-{%- endmacro -%}
+    {% do return(elementary_cli._process_raw_test_results(test_results_agate, test_result_rows_agate, elementary_tests_allowlist_status)) %}
+{%- endmacro -%}

elementary/monitor/dbt_project/macros/test_conn.sql

@@ -6,7 +6,11 @@
     {% set elementary_database, elementary_schema = elementary.get_package_database_and_schema() %}
     {% set elementary_model_relation = api.Relation.create(elementary_database, elementary_schema, "dbt_models") %}
     {% set query %}
+        {% if elementary.is_tsql() %}
+        select top 10 * from {{ elementary_model_relation }}
+        {% else %}
         select * from {{ elementary_model_relation }} limit 10
+        {% endif %}
     {% endset %}
     {% do elementary.run_query(query) %}
 {% endmacro %}

elementary/monitor/dbt_project/macros/utils/edr_quote_identifier.sql

@@ -0,0 +1,7 @@
+{%- macro edr_quote_identifier(identifier) -%}
+    {%- if elementary.is_tsql() -%}
+        [{{ identifier }}]
+    {%- else -%}
+        {{ identifier }}
+    {%- endif -%}
+{%- endmacro -%}

elementary/monitor/dbt_project/package-lock.yml

@@ -1,6 +1,8 @@
 packages:
-  - package: dbt-labs/dbt_utils
+  - name: dbt_utils
+    package: dbt-labs/dbt_utils
     version: 0.8.6
   - git: https://github.com/elementary-data/dbt-data-reliability.git
-    revision: ab21363935c42490a60a779557ba99bed96b754c
-sha1_hash: 661e08669f6a005c445ed631a333de316b58d57f
+    name: elementary
+    revision: 534afc63c75d28b87d7cbd3b222dd3ea9a980f7b
+sha1_hash: cb18b7df65415901187dcf469dcd377e56c0dc70