kandi X-RAY | sqlc Summary
kandi X-RAY | sqlc Summary
Generate type-safe code from SQL
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sqlc Examples and Code Snippets
Trending Discussions on sqlc
I am working on two Drupal (7 and 9) projects which use PostgreSQL (based on the procedure described here). I noticed errors when they are both running at the same time: Drupal 7 will complain the
variable table does not exist, while Drupal 9 will disconnect me or display some kind of WSOD. Oddly enough, they can randomly work correctly or crash again on page reload. However, it gets perfectly fine when I turn one off.
All this makes me think of some trouble with the way I configured PostgreSQL. Could you please help me find what might be wrong in my setup?
Here is my configuration for Drupal 9. docker-compose.postgres.yaml:...
ANSWERAnswered 2022-Mar-14 at 00:27
Update for DDEV v1.19+
- Postgres is now available of the box with DDEV, so there is no need for an additional service/container.
- You no longer have to use an explicit name for the container, since the networking in DDEV is now more sophisticated.
--------- Original Answer Below ----------
$host = "postgres";, please use the explicit name of the postgres container,
postgres is ambiguous inside the docker network when you're running more than one project that has a service named "postgres". So you're getting the behavior you see.
A PR to the ddev-contrib recipe would be appreciated; this has been updated in lots of the ddev-contrib recipes since the problem was discovered a year or so ago, but apparently not this one.
I use https://github.com/kyleconroy/sqlc to generate code. I want to return human_id using the group_id array....
ANSWERAnswered 2022-Feb-25 at 14:50
You can do the following:
I've got the following mysql table (expensemonthly):
I'm trying to fill inputs text in a form with the account_id (and account name fetch from another mysql table called "accounts"), for doing that from ajax code below I call a php file (CountFetchExpensesArrayDos.php) for creating a two dimention array:...
ANSWERAnswered 2021-Nov-10 at 23:44
Your AJAX code is expecting an associative array with 3 keys:
name. You're not creating an associative array in the PHP code. You're just appending each account ID and name as separate array elements.
You can create and push onto separate arrays for the account IDs and names. Then put them in the associative array when creating the JSON at the end.
I know this question is asked already many times, but I did not find a good answer for my case. I'm using SQLC to generate methods for querying the db. Everything is working fine when using one connection initialised at start. Now I need to set it up in a multi-tenant environment where each tenant will have a separate DB. For now I would like to start with a connection map (map[string]*sql.DB) connecting the tenant with a database connection. My question is about overriding/selecting the connection at runtime. with one connection the repository is initialised like:...
ANSWERAnswered 2021-Aug-06 at 00:38
The simplest way, assuming you are using separate databases, is to maintain a
tenantID is the way you differentiate between tenants (e.g. a
uint that contains the tenant ID).
This way you can do everything at runtime:
- when you need to add a tenant, just instantiate the
Repositoryfor that tenant and add it to the map
- when you need to remove a tenant, just remove its
Repositoryfrom the map and close the DB connection
- when you need to perform a query for a tenant, lookup the corresponding
Repositoryin the map, and use it to perform the query for that tenant
If the operations above may happen concurrently, make sure that you're using some synchronization mechanism to avoid data races when accessing the map (e.g.
If you have a database table that stores the tenants and their DB connection URIs, you can still use this approach: when you need to perform a query check if the
Repository exists in the
map: if it's missing, query the tenant table and add the
Repository for that tenant to the map. You can then periodically scan the
map and remove any
Repository that has not been used for some time.
To make all of this easier you could also wrap the whole machinery into a
MultitenantRepository interface, that is identical to the
Repository interface but that accepts an additional
tenantID parameter on each method:
I am trying to display the errors on the same page if anyone entered invalid login details but when invalid login details are entered a message is displayed called Array? Not sure why that's happening.
In this code, there is a login form and if user logs in then log in, a success message appears but when details are invalid a message should appear "invalid details" which is not appearing...
ANSWERAnswered 2021-May-01 at 19:51
I am giving simple example assuming your code is from login.php
then you can edit as per your requirement.
#it is just a example how to show errors. Data sanitization, preventing sql injection etc is not considered in this example.
My code is as follows:...
ANSWERAnswered 2021-Apr-13 at 08:00
Your understanding is correct.
--files argument is uploading files to executors only.
See this in the spark documentation
file: - Absolute paths and file:/ URIs are served by the driver’s HTTP file server, and every executor pulls the file from the driver HTTP server.
You can read more about this at advanced-dependency-management
Now coming back to your second question
How can I upload to master?
There is a concept of bootstrap-action in EMR. From the official documentation it means the following:
You can use a bootstrap action to install additional software or customize the configuration of cluster instances. Bootstrap actions are scripts that run on cluster after Amazon EMR launches the instance using the Amazon Linux Amazon Machine Image (AMI). Bootstrap actions run before Amazon EMR installs the applications that you specify when you create the cluster and before cluster nodes begin processing data.
How do I use it in my case?
While spawning the cluster you can specify your script in
BootstrapActions JSON Something like the following along with other custom configurations:
Currently when i search the registration number 131-D-12345 I have to type the hyphens to get the results, but I wish to ignore “-”, caps and spaces (so for instance "132D123" and "132 d 123" should return true).
How can I do that in PHP?...
ANSWERAnswered 2021-Apr-12 at 07:29
Do I understand correctly that the registration numbers in the database dò contain the hyphens ?
In that case, you should modify your query to hold wildcards (e.g. https://www.guru99.com/wildcards.html)
As for the case, either convert the case of the PHP variable before entering it in the query ( strtoupper(), strtolower() ), or try to solve your case in your table definition.
If the database entries do not hold the hyphens, you can filter them out the variable using a replace or preg_replace() to remove them.
if I assume your database holds very uniform inputs, like this :
So I want to get the user data from the form and then store it in the database but i'm getting the error "Data truncated for column 'model' at row 1" when I try to add the details.
I am using the radio button so the user can pick 1 make and 1 model related to that make and then want those details to be added to the database under appropriate headings as in MySQL table table below
html form code:...
ANSWERAnswered 2021-Apr-07 at 22:38
The problem is that PHP doesn't know that it should only use the value of
Model from the dropdown below the selected radio button. It uses the value of the last one. If the user leaves that one unselected, the value
"" doesn't correspond to any of the ENUM values, so you get an error.
You can give them distinct names, and then select the appropriate one based on the radio button.
I was reading the documentation for SQLC from https://docs.sqlc.dev/en/latest/howto/query_count.html. I wanted to use this in my project. However, I'm not seeing any documentation related to joining operations on the tables. Is it really possible in SQLC. If yes where I could find the documentation or reference?...
ANSWERAnswered 2021-Feb-16 at 08:20
I would like to recursively find the maximum date-time value of each subfolder and finally find the top parent's maximum timestamp. spark SQL is slower when I run. So I would like to implement this logic using UDF or data frame methods in pyspark....
ANSWERAnswered 2021-Feb-10 at 19:25
- add a column
base_folderthat contains only the folder part without the file, that will be used for joinning
- group by
base_folderand calculate max timestamp
- join with original dataframe using
base_folderand get max timestamp for rows where it's null
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