Skip to content

Last updated: July 22, 2025

DQOps data quality volume sensors, SQL examples

All data quality sensors in the volume category supported by DQOps are listed below. Those sensors are measured on a table level.


row count

Table sensor that executes a row count query.

Sensor summary

The row count sensor is documented below.

Target Category Full sensor name Source code on GitHub
table volume table/volume/row_count sensors/table/volume

Jinja2 SQL templates

The templates used to generate the SQL query for each data source supported by DQOps is shown below.

{% import '/dialects/bigquery.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/clickhouse.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/databricks.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/db2.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections_reference('grouping_table') }}
    {{- lib.render_time_dimension_projection_reference('grouping_table') }}
FROM (
    SELECT 1 AS actual_value
        {{- lib.render_data_grouping_projections('analyzed_table') }}
        {{- lib.render_time_dimension_projection('analyzed_table') }}
    FROM {{ lib.render_target_table() }} analyzed_table
    {{- lib.render_where_clause() -}}
) grouping_table
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/duckdb.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/hana.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections_reference('grouping_table') }}
    {{- lib.render_time_dimension_projection_reference('grouping_table') }}
FROM (
    SELECT 1 AS actual_value
        {{- lib.render_data_grouping_projections('analyzed_table') }}
        {{- lib.render_time_dimension_projection('analyzed_table') }}
    FROM {{ lib.render_target_table() }} analyzed_table
    {{- lib.render_where_clause() -}}
) grouping_table
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/mariadb.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/mysql.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/oracle.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections_reference('grouping_table') }}
    {{- lib.render_time_dimension_projection_reference('grouping_table') }}
FROM (
    SELECT 1 AS actual_value
        {{- lib.render_data_grouping_projections('analyzed_table') }}
        {{- lib.render_time_dimension_projection('analyzed_table') }}
    FROM {{ lib.render_target_table() }} analyzed_table
    {{- lib.render_where_clause() -}}
) grouping_table
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/postgresql.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/presto.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections_reference('grouping_table') }}
    {{- lib.render_time_dimension_projection_reference('grouping_table') }}
FROM (
    SELECT 1 AS actual_value
        {{- lib.render_data_grouping_projections('analyzed_table') }}
        {{- lib.render_time_dimension_projection('analyzed_table') }}
    FROM {{ lib.render_target_table() }} analyzed_table
    {{- lib.render_where_clause() -}}
) grouping_table
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/questdb.sql.jinja2' as lib with context -%}
SELECT
    COUNT() AS actual_value
    {{- lib.render_data_grouping_projections_reference('analyzed_table') }}
    {{- lib.render_time_dimension_projection_reference('analyzed_table') }}
FROM(
    SELECT
        original_table.*
        {{- lib.render_data_grouping_projections('original_table') }}
        {{- lib.render_time_dimension_projection('original_table') }}
    FROM {{ lib.render_target_table() }} original_table
) analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/redshift.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/snowflake.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/spark.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/sqlserver.sql.jinja2' as lib with context -%}
SELECT
    COUNT_BIG(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/teradata.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections('analyzed_table') }}
    {{- lib.render_time_dimension_projection('analyzed_table') }}
FROM {{ lib.render_target_table() }} AS analyzed_table
{{- lib.render_where_clause() -}}
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}
{% import '/dialects/trino.sql.jinja2' as lib with context -%}
SELECT
    COUNT(*) AS actual_value
    {{- lib.render_data_grouping_projections_reference('grouping_table') }}
    {{- lib.render_time_dimension_projection_reference('grouping_table') }}
FROM (
    SELECT 1 AS actual_value
        {{- lib.render_data_grouping_projections('analyzed_table') }}
        {{- lib.render_time_dimension_projection('analyzed_table') }}
    FROM {{ lib.render_target_table() }} analyzed_table
    {{- lib.render_where_clause() -}}
) grouping_table
{{- lib.render_group_by() -}}
{{- lib.render_order_by() -}}

What's next