Looker filter parameter example The value that a user selects for Apr 2, 2025 · First, you use a LookML parameter to create a field for users to interact with. You can pass parameters in a data source back to the underlying query. For example, a user can filter the Explore's query results to the last three months or for a certain customer. Parameter ID: set by default. This example also demonstrates that you can require multiple filters. Filter expressions are an advanced way to filter Looker queries, and this page describes how to write them. Note: The filter parameter does not create the filter, it must exist on the dashboard beforehand. Pass custom parameters to community connectors like Google Ads, Facebook ads, etc. Standard parameters. How do parameters in Looker Studio work? Parameters can get their data in the following ways: 1. Optionally, you can use allowed_value to define a list of values a user can choose for that parameter field. Learning Objectives. Users can also limit the number of rows that are displayed in an Explore or the number of pivot columns that are displayed in an Explore. Here is an example of a dimension that uses the _filters['view_name. Understanding the regular expression: ^[[:^alpha:]]. After completing this lesson, students should be able to: Apr 2, 2025 · allowed_value works with the parameter LookML parameter. Create a filter that lets the user specify the order_region: type: string. * ^ means "beginning of string" Feb 6, 2025 · A set can contain any number of dimensions, measures, or filter fields from the current view, including the individual dimensions generated by a dimension group. A parameter creates a filter-only field that can be added as a filter when exploring, but cannot be added to the result set. If you want user specific filters that can't be changed, consider access_filter. As part of MTLA’s Limit-5 series, we will now go over a step-by-step process of how to create and implement our very own Templated Filter in Looker. Apr 2, 2025 · The parameter parameter creates a filter-only field that can be used to filter Explores, Looks, and dashboards but that cannot be added to a result set. Mar 25, 2025 · Filters create a filter-only field users can use to provide input to a templated filter or a conditional join; Parameters create a filter-only field users can use to provide input to a Liquid {% parameter %} tag; Example usage. Examples. Oct 1, 2024 · To read more about how Liquid works and to see an example that swaps fields instead of aggregation type, visit the Looker documentation here. Here are some examples for using the html field parameter. This approach allows users to select filter values that only apply to a specific measure, without filtering the entire query in a global WHERE clause. To use a parameter in your custom query, follow the relevant syntax guidelines documented in Running parameterized queries. type: number measures will not provide suggestions to users. This includes adjusting parts of a derived table, choosing which database table to Sep 17, 2022 · How can I create a filter that can evaluate to more than one criterion when selected? If you create the Looker parameter in LookML, you will be limited to single filter values. In the Explore section of Looker you can use them by adding a filter and choosing the matches (advanced) option. DE LA S: See the parameter parameter documentation page for examples. The parameter ID is used internally by Looker Studio to identify the parameter. The customer. . Defining a query in LookML Apr 2, 2025 · Your embed content URL parameters are the Looker content URL parameters, for example, Timeframe=14+day; In this example, the parameter Timeframe=14+day sets the value of the dashboard's Timeframe filter. Force the user to use an Order ID filter (with a default value of Feb 6, 2025 · access_filter lets you apply user-specific data restrictions. Next, you use a Liquid variable to inject the user input into SQL queries. Some types have supporting parameters, which are described within the appropriate section. In the value subparameter, specify default values using Looker filter expressions. _parameter_value: Injects the value of the parameter filter you ask for with parameter_name into a logical statement. It can also contain fields from other views using the view_name. When you reference a table in the sql parameter, the table needs to be accessible within the associated connection. Sep 7, 2021 · Templated Filters are a great way to make your derived tables more dynamic by using Liquid templating language to insert user input directly into our SQL queries. Modeled analyses are helpful to beginner Looker users, since you can specify elements like the dimensions, measures, filters, and pivots that may be the most relevant and insightful. parameter_name. The filters parameter cannot be used with type: number measures, but the filters documentation explains a workaround. They are also used in LookML for elements that take a filter parameter. Report viewers don't see it. Templated filters and Liquid parameters make use of the liquid templating language to insert user input into SQL queries. field_name syntax. Feb 6, 2025 · See the Using URLs and query parameters Looker Community post for information on the parts of a query URL. DE H LA LI S: See the parameter parameter documentation page for important 12. For the example above, whichever of the three Apr 2, 2025 · Parameter name: you'll see this name in the lists of fields in your reports and data sources. To set up this parameter, use the from_field subparameter to specify a field defined in the native derived table view or accessible in the Explore to which the native derived table is joined. parameter: healthy_selector { type: string. Feb 6, 2025 · If you want to force users to use a specific set of filters, but where the default value can be changed, try always_filter instead. A dimension, filter, or parameter can only have one type, which defaults to string if no type is specified. From a default value defined for the parameter in the settings. Unlike most LookML parameters, it needs to be used in conjunction with other settings in Looker in order to work properly. We learned that filters are designed for editors and controls for viewers. Inside the set parameter, you add a fields parameter and then list the fields, as in this example: Apr 2, 2025 · Looker's symmetric aggregates will not protect aggregate functions in the SQL of a measure type: number when computed across a join. Use raw SQL with sql, not Looker field references Apr 2, 2025 · The value of the parameter filter you ask for with parameter_name. If a Looker developer provides a parameter filter-only field, the values entered or selected by users can be referenced using a {% parameter %} Liquid variable. Theming Apr 2, 2025 · This will filter out non-alphabetic characters, such as Japanese kanji or Korean Hangul. field_name'] variable in its link parameter to pass an existing filter value for a field called users. If you want an Explore to have filters that are specific to each user, and cannot be changed in any way, you can use access_filter. See the Liquid variables documentation page for information about how to make full use of these variables. You can use the following parameters in any custom query: Jun 4, 2019 · Parameters in Looker increase interactivity for users and provide flexibility from the front end perspective without having to write custom code for each and every field the user asks for. Now that we've made everything dynamic, let's continue with creating more dynamic elements. Feb 6, 2025 · The html parameter supports Liquid variables. Parameter Example: Dynamic Filter Controls. Database connections themselves are defined in the Admin section of Looker. Hold the pointer over a parameter name to see a quick description. We'll quickly cover dynamic filter controls and then move on to the other pages in our Looker Studio project. Both perform the same functionality, but now we'll dive into controls and their relationship with parameters. percent_of_previous In our last session, we explored filters and controls in Looker Studio, which allowed us to narrow down the information presented in our reports based on certain dimension values or metric ranges. Mar 25, 2025 · Here the id filter refers to the id field from order. Apr 2, 2024 · But with Templated Filters and Liquid parameters, you can empower users to manipulate other parts of the SQL. Let's look at a few examples to Apr 2, 2025 · Here are some examples for using the filter parameter. An access_filter parameter is specific to a single Explore, so you need to make sure you apply an access_filter parameter to each Explore that needs a restriction. Type definitions Feb 6, 2025 · Filter Parameters: access_filter: Adds user-specific filters to an Explore: always_filter: Adds filters a user can change, but not remove, to an Explore: case_sensitive (for Explore) Specifies whether filters are case-sensitive for an Explore: conditionally_filter: Adds filters to an Explore if a user does not add their own filter from a Apr 2, 2025 · Parameters let you build more responsive, customizable reports. Mar 2, 2022 · Parameter ID: This unique number can help Google Looker Studio to identify the parameter. Apr 2, 2025 · Parameter Name Description Example; bind_filters: Passes a filter from the Explore query into the native derived table subquery. Note: Other ways to Feb 6, 2025 · See the Example section on this page for how it works. 13. As shown on the Templated filters and Liquid parameters In this blog post we have explained how to implement Liquid parameters and Templated filters in detail and have also covered various scenarios where they can be handy. Dec 17, 2024 · Send custom parameters back to a SQL query in a BigQuery data source. default_value: "Very Healthy" allowed_value: { label: "Very Healthy" value: "Very" allowed_value: { label: "Average Healthy" Feb 6, 2025 · You can also use filters with Liquid parameters and templated filters to create dynamic filtered measures with a filter value that can change dynamically based on user input on a dashboard or Look. id filter refers to the id field from customer. Apr 2, 2025 · This page includes additional details about the various types that can be assigned to a dimension, filter, or parameter. Parameter Name : The actual name that refers to the new parameter. It is set by default. Click a parameter name to jump to its reference page. This is also the name you'll use to refer to the parameter in a calculated field. Apr 2, 2025 · This page explains how a user can filter and limit data in a Looker Explore. state: Feb 6, 2025 · The model determines which database connection is used (see the connection parameter documentation page). iwin gboiu rwdky eaguah vgdgem akclc bpe vnhjkt ojaqldz fzkg kwq asqthh tnos ddi lwp