Dbt get relation. But I am seeing different behaviour of get_relation.

Dbt get relation I adapter. A set of materializations and their corresponding helper macros defined in dbt using jinja and SQL. get_relation on a schema that hasn't been cached. get_columns_in_relation, which returns a list of Column objects, which have a data_type property. In particular, I’m interested in using pivot and get_column_values but I have been unsuccessful so far in incorporating it in my model code with CTEs defined in the same model. sql. 2: 1276: July 19, 2023 Is there an equivalent of `get dbt_utils. 12. Run dbt deps to install the package. _is_exactish_match is failing - this happens in certain macros and dbt server. dbt will use this list of Relations to update the relation cache in order to reduce the number of queries executed against the database's information_schema. union_relations The output of dbt --version: 1. Closed dataders opened this issue Nov 16, 2021 · 0 comments · Fixed by #12 or #22. Hello, I’m trying to build a macro and am stuck on a specific problem. I’m able to get the column names with: get_columns_in_query (sql). get_relation in a loop. Sign in Product Actions. 4. It like index and dist in dbt-synapse. Describe the bug. utils. My project has the following: models: You signed in with another tab or window. In addition, columns can be excluded. 2. A different list of columns should be returned for every model, but the override makes it return the same list of columns dbt_utils has a macro called get_relations_by_pattern to easily build new Relations for matching tables in your database: dbt-labs/dbt-utils: get_relations_by_pattern. Specifically, I'm looking to use ref() with a CTE. database) %} {{ return(adapter. that variable can then be used in this portion of the model Trusted adapters take part in the Trusted Adapter Program, including a commitment to meet the program's requirements. The goal is to separate the testing of the model logic and the actual data. log() is used to print the batch properties for debugging. 18. The target variable contains information about your connection to the warehouse. There’s no real way to fix this, your workaround seems reasonable! Utility functions for dbt projects. get_column_values(table=source('salesforce', 'fivetran_formula_model'), You signed in with another tab or window. get_relation(): If the relation claims to exist in a schema that dbt has cached, it will look up its cached set of relations from that schema. I So I see three possible implementations here: Straightforward: Edit the macro redshift__get_columns_in_relation to first call a statement, select version();, and template itself according to the result. However! that macro uses the built-in adapter. Related topics Describe the bug. get_relation call but wrap every piece of database, schema and table in a something that quotes each component correctly? I could Topic Replies Views Activity; Issue with Undefined schema in dbt adapter test execution. However, you are right that if you run dbt test -s m_0 and m_1 is not yet built, the test will fail. 3. Commented Apr 24, 2024 at 14:25 The problem I’m having We have a few models, that select from a longer list of other models and combine them with a “union all”. Closed adapter. sql model, but when you invoke dbt run, there will not be a unioner model, the logic instead gets injected into the I’m able to get the column names and their data types of the target table with: adapter. 1 dbt-utils: 0. Help Describe the bug. dbt Community Forum get_columns_in_relation macro but using CTE instead of a Relation object. We strongly You signed in with another tab or window. I could do the manual union, but I’d like to use the cleaner and Hi Joe, So the get_relations_by_prefix macro returns a list of Relations (a view or table) in the warehouse, rather than a list of models. Relation. show post in topic. Host and manage packages Security. Note: if this code is used instead of get_relation: api. unit_test_model_a because the relation doesn't exist. The goal of the relation cache is to provide dbt with the information it needs to efficiently and Update the Relation cache Materializations should return the list of Relations that they have created at the end of execution. When I actually run the process, it works fine; Macros . To get data into the jinja context, you can use the run_query macro to execute arbitrary SQL and return the results as an Agate table. add_ephemeral_prefix currently Not able to get columns for unit test 'unit_test_model_a' from relation ANALYTICS_DEV. get_columns_in_relation(), but the problem with the override in my case is that this macro is used two times, and each time for a different model. Please read the dbt The dbt-utils package is a powerful toolkit that simplifies and enhances your data transformation processes. get_relation() might not return a However, the intermediate relation has a suffix like ‘__dbt_temp. If the target schema does not exist, then this method is a {% macro get_relations_by_prefix(schema, prefix, exclude='', database=target. get_filtered_columns_in_relation returns '' during parsing, but returns a list during runtime. Can you think of any way of squaring this circle and supporting both use cases? Potentially we need to still use the adapter. zip not recognised; get the count(*) from the_model then trying to iterate over the range - ran into issues with types; various for conditions {% for k, v in conditions. can you get this info from any of the db’s system tables or views, given that the relation exists if dbt is trying to drop it? No. TL:DR; We’ve got a new package, audit_helper to help with data audits. For reference, the table_type is FOREIGN and this type doesn't get recognized when running adapter. But I think adding the list brackets should do the trick – Nripesh Pradhan. Begin your dbt journey by trying one of our quickstarts, which provides a step-by-step guide to help you set up dbt Cloud or dbt Core with a variety of data platforms. A couple of options: You could temporarily set a custom schema, configure everything to build as tables and then do a standard dbt run. dispatch('get_relations_by_prefix', 'dbt_utils')(schema, prefix, exclude, A Relation is the thing returned by {{ ref() }} or {{ source() }}, so it's easiest to get a Relation from a model name, not a database identifier. The adapter. dispatch ( ' get_filtered_columns_in_relation ' , ' dbt_utils ' )( from , except)) }} {% endmacro %} adapter. The only difference is that my The get_filtered_columns_in_relation macro returns an iterable Jinja list of columns for a specified relation. Are you interested in contributing the fix? Sure but not 100% sure how. This macro: Generates a comma-separated list of all fields that exist in the from relation and excludes any fields listed in an except Contribute to memsql/dbt-singlestore development by creating an account on GitHub. After debugging we’ve found that BaseRelation. Thus we found the two macros in dbt_utils, that in combination makes the modeling much more handy than ever before. 17. Model structure and JSON schema . Important Notice: dbt Labs does not certify or confirm the integrity, operability, effectiveness, or security of any Packages. The context of why I’m trying to do this I’m following the dbt official course(1:00 - 3:00). get_relations_by_pattern. Some ideas I tried: get_column_values x2 and zipping them into a new list of tuples. I am using this macro, and this The problem I’m having adapter. 19. The `{{ debug() }}` macro will open an iPython debugger. dispatch you have to look to the string you passed as the first argument. That macro also just returns column names. star here. Optionally configure whether dbt should quote databases, schemas, and identifiers when resolving a {{ source() }} function to a direct relation reference. In this case, you have ‘make_temp_relation’. Automate any workflow Packages. If a list of Relations is not returned, then dbt will raise a Definition . For more information on using packages in your dbt project, check out the dbt Documentation. But I am seeing different behaviour of get_relation. Why does this matter? Well, {{ this }} always has its type defined as None, and it's fairly common that a user would Args: lower_bound_column (required): The name of the column that represents the lower value of the range. 2: 19879: July 21, 2020 Thanks! I stumbled on the dbt_utils. 0. When dbt is parsing the project (execute is False), the return value is an empty string (''), rather than an empty list ([]). When running dbt build/run with the --empty flag, the generated q Thanks for the great writeup and repro case @mothiki!. 0 Contribute to dbt-labs/dbt-adapters development by creating an account on GitHub. This use case is so common, there is also a macro in dbt-utils for it called get_column_values. schema, The test is its own node, which will be downstream in the DAG from both m_0 and m_1. More consistent behavior in _is_relation at parse time, to avoid raising confusing errors. Is it possible to have it reference sources instead of models? I would like it to grab all sources matching the below pattern. list_relations(self): Get the list of relations cached for this schema Returns a list of Relations; get_relation(self, search): Search for the relation in the cache. )) in a macro Expec I would like to test our models with fixed test data, not the real data. yml related to the table alias with different schema. now, say, i have in each table ~100 columns, some of them are strings and i’m converting instances where there is empty string to null. Navigation Menu Toggle navigation. Scenario Let’s say you’re a consultant that’s working with a number of merchants that use the same ecommerce software — Shopiary™. Using dbt 1. Comments. Drops a schema (or equivalent) in the target database. Your clients replicate the I'm trying to write a macro in DBT to unpivot a table (I know there are macros available and I can use SQL to do this but I want to write the macro). upper_bound_column (required): The name of the column that represents the get_relation function in dbt not working as expected. render() }}, which will bypass the conditional logic here. 📄️ debug. 1 dbt-utils 0. We have the ability to either schedule all tables in that folder to run at one time, or just one table, based on which dbt run statement In this example, the if model. getdbt. Modified 1 year, 2 months ago. If the relation is included in that set, it's returned; if it's missing, dbt returns None. DBT_JLABES_INT_TESTS. adapter. name. 21. Note that the method is case-insensitive. Reload to refresh your session. I would then want to union these sources together (with utils union all). Find and fix Returns a Relation for a source; Creates dependencies between a source and the current model, which is useful for documentation and node selection; Compiles to the full object name in the database; Related guides Using sources; Arguments source_name: The name: defined under a sources: key; table_name: The name: defined under a tables: key; Example {% set raw_tables = dbt_utils. jinja, dbt-utils. These tests would verify the model output against a known input data. Did you find a solution for this problem? I have the same issue. This config can be specified for all tables in a source, or for a specific source table. We strongly Hi all - just checking to see if we should be missing the cache when calling adapter. The problem I’m having The result of adapters. Any identifier on the relation will be ignored. 7. Could you experiment with a couple of things: Try making a list by hand: {% set custom_list = ['item1', 'item2'] %} and pass that into surrogate_key. Automate any workflow Codespaces. 📄️ dbt_version. I have You can view the source for dbt_utils. Contribute to dbt-labs/dbt-adapters development by creating an account on GitHub. jinja, testing. My knee jerk reaction is that this smells like a case sensitivity change. So your code becomes: I believe we are experiencing this issue with the Netezza adapter, which has an identifier quoting policy of False. A different list of columns should be returned for every model, but the override makes it return the same list of columns This will enable dbt to deploy models in the correct order when using dbt run. I have a 2 features that trigger the same event request_created, and I want to create a single unified view with the union of both. dbt Core: These values are based on the target defined in your profiles. It's quite common to call get_relation or load_cached_relation, and then pass it into a macro that validates the input via _is_relation. Closed Document known limitations to --empty flag dbt-labs/docs. get_filtered_columns_in_relation. use dbt_utils. Describe the bug get_columns_in_relation does not include columns from external tables in Redshift Steps To Reproduce Set up a Spectrum tables as a source in your project Use adaptor. One way to get over that is to materialize your CTEs as A couple of options: You could temporarily set a custom schema, configure everything to build as tables and then do a standard dbt run. render() }} [Bug] --empty flag generates invalid SQL when running adapter. 0 with BigQuery I’m new to dbt and looking to how to better incorporate macros from dbt_utils into my workflow. endswith('_v') or model. presently works on dbt: 0. I was also confused about the usage of CTEs in union_relations. Not able to get columns for unit test 'unit_test_model_a' from relation ANALYTICS_DEV. dataders opened this issue Nov 16, 2021 · 0 comments · Fixed by #12 or #22. I still believe it is also good to remove your lower() functions in your catalog. If you want to use a table in your Is there a way to executing a select (or part of the code) only if a table (or schema) exists? maybe with the get_relations_by_prefix helper? Thanks! I came up with this macro, {% macro get_filtered_columns_in_relation(from, except = []) -%} {{ return( adapter . If you want to avoid this failure, you can use dbt test -s m_0 --indirect One more thing, if you are overriding adapters macros, it is good to whenever you update your dbt version, check if there was some breaking changes in the macro you are overriding. add_ephemeral_prefix. The reason being that I am trying to one-shot a macro and do not want to persist the intermediate Using: dbt 0. You signed out in another tab or window. com). 14 Based on this link, already_exists is deprecated and will be removed in favour of get_relation. scfrouws November 17, 2024, Is there an equivalent of `get_columns_in_relation` that works is aware of evolving schema? Help. This is fine except when the relation is allowed to change columns, and the point where get_columns_in_relation is called is downstream of the relation that has changed. However, if you use the ephemeral materialization, it totally is possible!In this case you break your first CTE into it's own . {% macro apply_abcd (relation) %} I want to test this macro by running dbt modelling run-operation apply_abcd how i do pass the relation parameter (this is actually a table built within the project) I do not want to add the macro to dbt_project. This task generally pops up in one of two situations: I’m refactoring the SQL of an existing dbt model and want to make sure I haven’t introduced a The star dbt macro dbt supports dbt_utils, a package of macros and tests that data folks can use to help them write more DRY code in their dbt project. testing, macros, dbt-core. When I run dbt run it gets stuck for about 20 seconds in macro postgres_get_relations. In this guide, we'll introduce you to dbt-utils, showcasing how it can streamline your workflow with its pre-built macros for common SQL operations. get_filtered_columns_in_relation Please let to know how to refer the current models to be passed in dbt. Th {% set old_relation = api. batch statement makes sure that the code only runs during a batch execution. Thanks in advance Minhaj Pasha. 8. ERD of project An ERD shows how the tables relate to each other At present, there’s no built-in way to do this in dbt, but we have an When dbt runs (either locally on the command line, in dbt Cloud, or wherever you choose to deploy it), the union_relations macro generates the exact same SQL as we’d previously written by hand. The {{ ref }} function returns a Relation object that has the same table, schema, and name attributes as the {{ this }} variable. Continuous integration in dbt Cloud | dbt Developer Hub, and how we implemented it at my last company here: How we sped up our CI runs by 10x using Slim CI. Read the first part here. A set of macros responsible for generating SQL that is compliant with the target database. When relations are loaded into the cache and then matched against, the BaseRelation. sql model, then configure it like below. By looking at the source code of the macro (available here), I found out that in order to fully protect our union from crashing, dbt requires some metadata on the columns, therefore, it only is able to use queries that are saved as models and not CTEs. That validation can't happen at parse time — because dbt hasn't yet connected to Which database adapter are you using with dbt? postgres. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company We are using adapter. Combining dbt_utils. Here’s what I have done so far. Relation. The reason being that I am trying to one-shot a macro and do not want to persist the intermediate The problem I’m having As a test I’ve copied an existing incremental materialisation from github: to the macros folder in my dbt project. Trusted adapters in dbt Cloud undergo an additional rigorous process that covers development, documentation, user experience, and maintenance requirements. I have I’m surprised that you’re seeing that warning! get_filtered_columns_in_relation definitely returns a list; the you showed with column_list2 is a list of lists which is not the right input shape. The Relation object is used to interpolate schema and table names into SQL code with appropriate quoting. get_columns_in_relation adapter object to fetch column information in our dbt type2 macro to compare source and target before executing alter statement on Target table, but this only fetches the column name and data type but does not include column nullability. com#5520. get_columns_in_relation() only takes a Relation objects and no CTEs, i’m having a problem on how to solve it. However, we just stumbled over an issue, that this breaks the lineage at least on Redshift. union_relations? The context of why I’m trying to do this I have a complex table using multiple cte’s in my model which I later down the line need to union with another relation. Hi Dave, So glad it worked out, and it looks like you have a 100% match. Changes to existing code Update DefaultAdapter and subclasses [Bug] --empty doesn't work when using get_columns_in_relation dbt-snowflake#1033; This isn't Snowflake-specific, it would be relevant anywhere we're: templating out {{ relation }}, as a string; as the resolved form of a ref/source call; in a metadata query (show/describe/etc) where we don't want to access the actual underlying data My guess is that the macro is failing to fetch the column names from the relations you're naming (macro source code) As to why I'm not sure. 6. database). get_columns_in_relation() only takes a Relation objects and no CTEs, Utility functions for dbt projects. It looks as if you'd like the a table name that is the concatenation of the_var and company_uuid, which you can do using jinja's concat operators, ~, like this:-- just for testing {{ The way dbt resolves adapter. get dbt replaces {{ model }} in generic test definitions with {{ get_where_subquery(relation) }}, where relation is a ref() or source() for the resource being tested. _is_exactish_match is returning False FYI I tried using the override functionality to set the list of columns to be returned by the macro adapter. Sign in Product GitHub Copilot. Commented Oct 5, {% for col in adapter. This is because adapter. Additional Context. get_relations_by_pattern and then loop over its results with handwritten sql statements: Use get_relation for base_model in the transformed model (as described above) dbt clean -> dbt deps -> dbt seed -> dbt compile -> dbt run --models my_models; Additional notes: All the base and transformed models are materialized as views. get_relation would rely upon #8499 being implemented first. get_relations_by_prefix( database = 'raw', schema = 'external_mra', prefix = 'ASC_RATES_' ) %} dbt: 0. sql files inside of the folder to build all of the tables in that schema. Now, we have new macros that help identify the problematic column when a regression is Is this a new bug? I believe this is a new bug I have searched the existing issues, and I could not find an existing issue for this bug Current Behavior source configuration sources: - name: communication database: COMMUNICATION__PROD sc orders_surrogate_key_cols=dbt_utils. I’ve Renamed the materialisation from incremental to incrementalx {% materialization incremental, default -%} to: {% materialization incrementalx, default -%} And used this in a model that is set to use incremental The problem I’m having I have a macro which takes a parameter of relation. Refer to dbt JSON Schema for describing and consuming dbt generated artifacts; Select the corresponding I am trying to use the column_override arg in the dbt_utils union_relations macro, but it doesn’t seem to work when my code compiles. DAG of project: The DAG shows the lineage of data. TL,DR: The original macros in the audit-helper package were super helpful in making sure you don’t introduce regressions when refactoring SQL. ; Complex: A new method on RedshiftConnectionManager or RedshiftAdapter that, after initializing, runs select version(); once, stores the result, and offers Describe the bug get_columns_in_relation does not include columns from external tables in Redshift Steps To Reproduce Set up a Spectrum tables as a source in your project Use adaptor. dbt-snowflake contains all of the code enabling dbt to work with Snowflake - dbt-labs/dbt-snowflake Describe the bug The adapter. Create a view model that comes before the snapshot that contains the orders I am trying to write a generic model-level test that will check that the columns a model has defined in YAML match the columns of the materialized relation. The Note — this article is intended for: anyone that writes dbt modeling packages (likely a consultant or vendor) OR anyone who likes seeing fancy things done with dbt 😉 In other words: you probably don’t need this. 2, we proposed three possible approaches (each coming with caveats and trade-offs): Using on-run-end hooks to grant select on all tables/views dbt has just built In your current implementation, the answer is no. I am requesting a straightforward extension of existing dbt functionality, rather than a Big Idea better suited to a discussion; Describe the feature. About Us: Bi3 has been recognized for being one of the fastest-growing companies in Australia. I have taken the example Thanks for opening @georgea-tk. While the auto-generated documentation for your dbt project ships with a DAG view, sometimes, you really want to see an Entity Relation Diagram (ERD) of your project instead. When does this come up in practice? Perhaps if: user code is trying to introspect high-level information about source tables (sources aren't cached, since they aren't materialized)user code is introspecting information about Hi @edbizarro ! Why don’t you create an empty view for the tables that a custmer does not yet have? create view some_name as select null as c1, null as c2, null as c3 where 1 = 2 Something like above allows you to create a view with the name you need and as many columns as you need but without any content, so you can keep selecting from it without knowing if the Context: dbt-labs/dbt-core#7024 (comment) Describe the feature. create(schema='elementary', identifier='elementary_test_results') querying relations via the "select" privilege; using the schema those relations are within via the "usage" privilege; The solution then Prior to dbt Core v1. Note — Prior to dbt adapter. I’m following the dbt official course (1:00 - 3:00). 2: 1276: July 19, 2023 Is there an equivalent of `get See the issue? It's trying to access information about "integrated". This results in errors like can only concatenate str (not "list") to str. I agree this is something we need to fix to fully support --empty runs. sql as per the course. Is there a dbt macro that allows me to get the columns list from a query set result (e. The name is a little misleading – you don’t use this to get relations that are already defined in the graph, you use it to construct new Relation objects out of ta I’m surprised that you’re seeing that warning! get_filtered_columns_in_relation definitely returns a list; the you showed with column_list2 is a list of lists which is not the right input shape. As a result, dbt can’t infer the dependencies between the upstream model and your master model. The default implementation of this macro returns: {{ relation }} when the where config is not defined (ref() or source()) (select * from {{ relation }} where {{ where }}) dbt_subquery Hi everyone! The problem I’m having i’m creating several staging tables after flattening them from a json format to a relational table format. . This macro returns the distinct values {% materialization table_and_view, default %} {%- set materialization_type = 'table' %} {% if model. database, schema=relation. Read this guide to understand the dbt_version Jinja function in dbt. Utility functions for dbt projects. bigquery, dbt-cloud. cli: dbt compile -m <model> Expected results. Which database adapter are you using with dbt? postgres. get_columns_in_relation(table_relation) But I’m not sure how to get the data types of columns for the SQL. Have you called dbt run -m blaze_inventory_stg already?. Write better code with AI Security. ’ So if my model is called ‘my_first_model,’ the intermediate relation will be called ‘my_first_model__dbt_temp I looking for a good way to prevent naming conflicts. dbt extends functionality across data platforms using multiple The dbt-core get_relation() function calls _make_match() and that function calls _make_match_kwargs(). Quoting configs defined for a specific source table override the quoting configs specified for the top-level source. get_relation mistakes exact match for approximate match #11. create(database =database_name,schema=schema_name, identifier=table_name) %} Can Try using dbt_utils’ get_filtered_columns_in_relation or the native adapter. Instead, we'd need this to use a cross-database query, and the Redshift docs tell us that pg_catalog is not supported:. star but could not get it to ouput a list of columns. To view the structure of models and their definitions:. Milestone. Must be not null. 2 to 0. can you get info from any value of the relation object dictionary? Describe the bug. "some_schema", but by querying pg_tables + pg_views in the current database (target. get_relations_by_pattern with dbt_utils. would be plenty to make me go "oh of course I need to do a build (or defer to prod). 1: 381: June 28, 2024 Run dbt test on a single model. Please note that for certain FYI I tried using the override functionality to set the list of columns to be returned by the macro adapter. get_filtered_columns_in_relation on Snowflake are basically running the query describe table YOUR_TABLE. One of the macros dbt utils offers is the star generator. The get_column_values macro does not seem to work when relation is passed in source function when the relation clearly exists in redshift and running just the source function with same variables works fine. Viewed 573 times Part of Google Cloud Collective 1 I have a model in dbt that is built on source data. To get metadata across databases, use SVV_ALL* and SVV_REDSHIFT* About the last question, when you use adapter. I have a Postgres database with about 200 tables in 10 different schemas. items() %} You signed in with another tab or window. You would wind up with a copy of every model in a separate schema; You could do something with jinja, e. An SQL statement from a DBT model is translated into a dataset in a database through the use of “materializations. My guess is that the columns won't resolve. They are maintained by dbt Labs, partners, and community members. I wouldn't be surprised if you had needed those lower() functions in your SQL because you didn't have the logic to override the match function. get_columns_in_relation(source(. Trusted adapters take part in the Trusted Adapter Program, including a commitment to meet the program's requirements. union_relations breaks lineage in Redshift Help dbt-utils , lineage , dbt-core Which database are you using dbt with? postgres; redshift; bigquery; snowflake; other (specify: _____) The output of dbt --version: dbt cloud: Additional context packages: - package: data-mie/dbt_profiler version: 0. This mainly happens only when the transformed models are created for the first time in an existing or a new I would like to test our models with fixed test data, not the real data. I’ve created separated schemas for each of the features and another for the unified output, but I keep getting asked to rename files to solve the conflict. get_relation. jeffsk December 7, 2022, 2:34pm 2. Pushpa November 11, 2022, 4:17am The problem I’m having The result of adapters. Describe the bug I am upgrading DBT from 0. Ask Question Asked 1 year, 2 months ago. The README. get_relations_by_pattern and then loop over its results with handwritten sql This article is the second part of a series (I didn’t know I was going to write a Part II, yet, here we are 🤷‍♂️). 📄️ dispatch. This seems like the most likely culprit - if you tried setting https://docs. Steps to reproduce {%- set table_results = dbt_utils. (github. Try using the The problem I’m having I have a macro which takes a parameter of relation. get_columns_in Skip to content . Auditing data: my least favorite task in analytics As a data analyst, there’s one task that used to instill more dread in me than any other – auditing data 😩. I realize that there is a macro just for this called: get_column_schema_from Custom Materialization:. This function: Returns a Relation for a source; Creates dependencies between a source and the current model, which is useful for documentation and node selection; Compiles to the full object name in the database I'm totally 100% behind this change, but there needs to be some cleaning up here to communicate it. Steps To Reproduce. If you run a command like dbt build, dbt will first build m_0 and m_1 before running this relationship test. dbt Cloud . This can cause issues when the result is used in code and other macros that validates its arguments, such as the warning message in the (deprecated) The context methods and variables available when configuring resources in the dbt_project. 0. Skip to content. Even if I select just one model and the actual data transformation takes less than a second, I have to wait extra 20 seconds. since the adapter. Mind the missing "{{" as Greg Hoar quoted. You can see in the macro’s source code , it finds every column in the tables you’re UNIONing, checks whether those columns exist in the other tables, and if not populates Hello, I’m trying to build a macro and am stuck on a specific problem. sql with the following code, then run dbt run -m big_boy. macros for eg:get_filtered_columns_in_relation. get_columns_in_relation seems to include only columns that exist in the current version of the table. 3 and Redshift connector 1. Otherwise, if the schema isn't one that dbt had cached, it should run a query The problem I’m having Is it possible to create a table via cte’s, store it as a variable, and then use that as a ref for dbt_utils. In this way you can test the unioner. prefix (required): The prefix of the table/view (case insensitive) exclude (optional): Exclude any relations that match this pattern. I believe this particular request to utilize adapter. Hi, I'm attempting to implement functionality similar to the get_columns_in_relation macro, but using a CTE instead of a Relation object. md still says shows an example of passing a hardcoded table reference in the pivot example; Techhhhhnically we should replace the table argument name with relation, but that's likely going to break things (on the fence about whether we should fix it) An immediate fix I can think of is updating snowflake__get_columns_in_relation from {{ relation }} to {{ relation. What basically Hi @fivetran-joemarkiewicz and @morgankrey-amplitude, thanks for opening this!. get_columns_in_relation dbt-labs/dbt-adapters#213. Find and fix vulnerabilities Actions. Returns a list of Relations that match (caller must handle duplicates). yml file. If you want to avoid this failure, you can use dbt test -s m_0 --indirect When you use the word model do you mean one table, or a dbt project with multiple tables? For example, we have a file structure with a schema per folder and multiple . To prove my hypothesis, make a new model file, big_boy. ” Can be used to configure the database for the new model, run pre-hooks, execute The drop_relation method will remove the specified relation from DBT’s relation cache. This object should always be used instead of See more relation: A relation object with the database and schema to drop. Does anyone have any suggestions on getting the column nullability details along Is this a new bug in dbt-redshift? I believe this is a new bug in dbt-redshift I have searched the existing issues, and I could not find an existing issue for this bug Current Behavior Columns that do not exist in the table are being @patkearns10, thanks for doing all of that investigative work!I don't know that the issue is in _is_relation(); it might be in get_relation(). CTE)? I am looking for something similar to this function without the requirement for the input to be a relation. There needs to be some handling to determine if all columns appear in the except list, either in star or in get_filtered_columns_in_relation I believe. what info are you looking to get from the relation config dictionary? I want to get a global value. There is an example in the dbt docs for how to use that to return the distinct values from a column. get_columns_in_relation, then you can filter the names of the columns based on the results of that. g. get_columns_in_relation and dbt_utils. The test is its own node, which will be downstream in the DAG from both m_0 and m_1. get_columns_in_relation(ref("session_tables")) %}. The get_filtered_columns_in_relation macro is designed to return an array of columns. get_filtered_columns_in_relation). I’d prefer to avoid creating additional model just Explore the essential dbt-utils cheat sheet for dbt enthusiasts: Utility macros, tests, and SQL generators to optimize dbt projects. Materializations . Add a new model; Add a unit test to that model but don't build the new model I came up with this macro, based on the get_relations_by_prefix to return a relation if exists {# Return a relation if exists in a given schema and (optionally) database Arguments: schema (required): The schema to inspect for relations. endswith('_view') %} {% set Definition . – GregK. get_relation cannot retrieve the relation for a table that exists in the BigQuery database. Congratulations! Judy Have not been able to get this to work, any guidance appreciated. Is there a way I can get a column’s data type/m Use the get_columns_in_relation method in your next dbt-osmosis project with LambdaTest Automation Testing Advisor. com/reference/dbt-jinja-functions/adapter#get_columns_in_relation Using variables in dbt can be hard sometimes! I think the commenter @Kay is on the right track here in that you have three variables happening here: the_var, company_uuid, and dataset. get_relation() method seems to return None within the post-hook context. Original issue context: #6237 dbt encounters a "cache miss" whenever a user calls adapter. Help. I thought I would compare the model graph object (detailed here) with the actual relation (currently using dbt_utils. Contribute to dbt-labs/dbt-utils development by creating an account on GitHub. create(schema='elementary', identifier='elementary_test_results') Hi, I am really just following the refactoring course, and have got stuck with this error that came after I installed compare_relations. get_relation Not Working with BigQuery. Learn how to set up and run automated tests with code examples of get_columns_in_relation method from our library. Under the hood, it uses dbt_utils. @jtcohen6 I made this change in #440 to solve #424. Copy link Hi Deepa, Have you been able to resolve this issue dbt-snowflake contains all of the code enabling dbt to work with Snowflake - dbt-labs/dbt-snowflake I'm trying to write a macro in DBT to unpivot a table (I know there are macros available and I can use SQL to do this but I want to write the macro). This makes it very hard to use this with conditional concatenation or with with filters, since the type changes from parsing and execution. {{ dbt_utils. Expected Behavior. There is a component that you are touching on that is unique: this within the unit test context being a str rather than a Relation. The source data is such that it is sometimes available and sometimes not, so I'm trying to use the adapter. From a cursory glance at get_column_values()' implementation, I'm surprised to see a new relation being created here, given that it's being passed in a perfectly good relation from ref (or source) in the first place. dbt Quickstarts. yml without testing the macro on its own. def get_path(cls, relation: BaseRelation, information_schema_view: Optional[str]) -> Path: return Path(database=relation. However, I can’t seem to get access to the model Bit of a dbt noob with a question regarding dbt_utils. About target variables. You switched accounts on another tab or window. 3: 798: June 26, 2024 Using get_column_values with CTEs. dbt Cloud is a scalable solution that enables you to develop, test, deploy, and explore data products using a single, fully managed software service. An immediate fix I can think of is updating snowflake__get_columns_in_relation from {{ relation }} to {{ relation. 3: 242: July 10, 2024 Custom dbt test is failing Help. The Hi, I am really just following the refactoring course, and have got stuck with this error that came after I installed compare_relations. aqll ceg sfopt ogo quru qgn ijv bbsb qhnldb smfgusj