id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
go_runtime/go_runtime_14_0.txt | #### func [ KeepAlive
](https://cs.opensource.google/go/go/+/go1.22.1:src/runtime/mfinal.go;l=545) ¶
added in go1.7
func KeepAlive(x [any](/builtin#any))
KeepAlive marks its argument as currently reachable. This ensures that the
object is not freed, and its finalizer is not run, before the point in th... | |
go_runtime/nfwinuserpeekmessage_36_0.txt | Value | Meaning
---|--- | |
go_runtime/googlevignette_6_0.txt | * [ Forum ](/forum/)
* [ Beginners ](/forum/beginner/)
* GetMessage/PeekMessage | |
go_runtime/googlevignette_20_0.txt |
1
2
3
4
5
6 | |
go_runtime/googlevignette_83_0.txt | [ **hanst99** (2869) ](/user/hanst99/) | |
go_runtime/win_87_0.txt | #### func [ PeekMessage ](https://github.com/golang-
design/hotkey/blob/v0.4.1/internal/win/hotkey.go#L98) ¶ added in v0.3.0 | |
go_runtime/go_runtime_2_0.txt | ### Functions ¶
| |
go_runtime/googlevignette_63_0.txt | [ **WriteGreatCode** (73) ](/user/WriteGreatCode/) | |
go_runtime/googlevignette_27_0.txt | [ **TpOreilly** (307) ](/user/TpOreilly/) | |
go_runtime/go_runtime_49_0.txt | #### func (*MemProfileRecord) [ Stack
](https://cs.opensource.google/go/go/+/go1.22.1:src/runtime/mprof.go;l=855) ¶
func (r *MemProfileRecord) Stack() [][uintptr](/builtin#uintptr)
Stack returns the stack trace associated with the record, a prefix of
r.Stack0.
| |
go_runtime/showthreadphp635431R_10_0.txt | Thanks!
Reply With QuoteReply With Quote Dec 13th, 2010, 03:23 PM#2
LaVolpe LaVolpe is offline
VB-aholic & Lovin' It | |
go_runtime/win_26_0.txt | Get help and stay informed from Go | |
go_runtime/go_runtime_54_0.txt | #### type [ Pinner
](https://cs.opensource.google/go/go/+/go1.22.1:src/runtime/pinner.go;l=15) ¶
added in go1.21.0
type Pinner struct {
// contains filtered or unexported fields
}
A Pinner is a set of Go objects each pinned to a fixed location in memory. The
Pinner.Pin method pins one object... | |
go_runtime/googlevignette_48_0.txt |
1
2
3
4 | |
go_runtime/win_62_0.txt | *  Stable version  | |
go_runtime/googlevignette_67_0.txt | Well the PeekMessage loop is generally used in video games, or applications
that need to do things without the user sending a message
--- | |
go_runtime/go_runtime_45_0.txt | #### func (*Func) [ Name
](https://cs.opensource.google/go/go/+/go1.22.1:src/runtime/symtab.go;l=678) ¶
func (f *Func) Name() [string](/builtin#string)
Name returns the name of the function.
| |
go_runtime/win_126_0.txt | ## Jump to | |
go_runtime/nfwinuserpeekmessage_96_0.txt | [ Get help at Microsoft Q&A
](https://learn.microsoft.com/answers/tags/224/windows-api-win32/) | |
go_runtime/nfwinuserpeekmessage_5_0.txt | Read in English Save [ ](https://github.com/MicrosoftDocs/sdk-
api/blob/docs/sdk-api-src/content/winuser/nf-winuser-peekmessagea.md "Edit
This Document") | |
gorm_associations_advanced/preload.html6_0_0.txt | #
Docs Gen Community API Contribute | |
gorm_associations_advanced/query.html3_21_0.txt |
type result struct {
Name string
Email string
}
db.Model(&User{}).Select("users.name, emails.email").Joins("left join emails on emails.user_id = users.id").Scan(&result{})
// SELECT users.name, emails.email FROM `users` left join emails on emails.user_id = users.i... | |
gorm_associations_advanced/preload.html6_14_0.txt | # Gold Sponsors
Become a Sponsor! | |
gorm_associations_advanced/many_to_many.html3_22_0.txt | 感谢 无闻 对域名 gorm.cn 的捐赠
浙ICP备2020033190号-1
* Home
Docs Gen Community API Contribute
Getting Started Overview Declaring Models Connecting to Database CRUD
Interface Create Query Advanced Query Update Delete Raw SQL & SQL
Builder Associations Belongs To Has One Has Many Many To Many
Associa... | |
gorm_associations_advanced/42299_9_0.txt | Plan and track work
* Discussions | |
gorm_associations_advanced/gorm_associations_1_0.txt | # [  ](/)
[ __ Docs ](/docs/) [ __ Gen ](/gen/) [ __ Community ](/community.html) [ __
API ](https://pkg.go.dev/gorm.io/gorm) [ __ Contribute ](/contribute.html)
__
__ English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어
हिन्दी French Italiano Español
# Has One
[ __ ](https:/... | |
gorm_associations_advanced/42299_0_0.txt | Skip to content
## Navigation Menu | |
gorm_associations_advanced/42299_18_0.txt | * Topics
* Trending
* Collections
* Pricing | |
gorm_associations_advanced/preload.html6_5_0.txt |
db.Joins("Manager").Joins("Manager.Company").Find(&users)
// SELECT "users"."id","users"."created_at","users"."updated_at","users"."deleted_at","users"."name","users"."age","users"."birthday","users"."company_id","users"."manager_id","users"."active","Manager"."id" AS "Manager__id","Manager"."create... | |
gorm_associations_advanced/gorm_associations_4_0.txt | # [  ](/)
[ __ Docs ](/docs/) [ __ Gen ](/gen/) [ __ Community ](/community.html) [ __
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__
__ English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어
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# Preloading (Eager Loadi... | |
gorm_associations_advanced/42299_44_0.txt | https://gorm.io/docs/preload.html#nested_preloading
## Expected answer | |
gorm_associations_advanced/many_to_many.html3_12_0.txt | You can setup ` OnUpdate ` , ` OnDelete ` constraints with tag ` constraint `
, it will be created when migrating with GORM, for example:
type User struct {
gorm.Model
Languages []Language `gorm:"many2many:user_speaks;"`
}
type Language struct {
Code string `gor... | |
gorm_associations_advanced/gorm_Advanced_4_1.txt | CC BY 4.0
](http://creativecommons.org/licenses/by/4.0/) .
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[ __ Docs ](/docs/) [ __ G... | |
gorm_associations_advanced/many_to_many.html3_5_0.txt |
// User has and belongs to many languages, use `user_languages` as join table
type User struct {
gorm.Model
Languages []*Language `gorm:"many2many:user_languages;"`
}
type Language struct {
gorm.Model
Name string
Users []*User `gorm:"many2ma... | |
gorm_associations_advanced/query.html3_12_0.txt |
// Get by primary key if it were a non-integer type
db.First(&user, "id = ?", "string_primary_key")
// SELECT * FROM users WHERE id = 'string_primary_key';
// Plain SQL
db.Find(&user, "name = ?", "jinzhu")
// SELECT * FROM users WHERE name = "jinzhu";
db.F... | |
gorm_associations_advanced/gorm_associations_3_1.txt | rm:"constraint:OnUpdate:CASCADE,OnDelete:SET NULL;"`
}
type Company struct {
ID int
Name string
}
---
[ ![GitHub tag \(latest SemVer\)](https://img.shields.io/github/v/tag/go-
gorm/gorm?label=Latest GORM Release&color=red&&style=for-the-
badge&logo=go&logoColo... | |
gorm_associations_advanced/42299_42_0.txt | I'm trying somehting like that
repository.Conn.
Joins("Status"). //hasone
Joins("Identification"). //hasone
Preload("Attachments"). //hasmany
Preload("Packages"). //hasmany
Preload("Stretches"). //hasmany
Preload("Itens").
Preload("Itens.ItemIdenti... | |
gorm_associations_advanced/preload.html6_9_0.txt |
db.Preload("Orders", func(db *gorm.DB) *gorm.DB {
return db.Order("orders.amount DESC")
}).Find(&users)
// SELECT * FROM users;
// SELECT * FROM orders WHERE user_id IN (1,2,3,4) order by orders.amount DESC;
---
## Nested Preloading
GORM supports nested preload... | |
gorm_associations_advanced/42299_28_0.txt | {{ message }}
go-gorm / gorm Public | |
gorm_associations_advanced/42299_8_0.txt | Manage code changes
* Issues | |
gorm_associations_advanced/query.html3_33_0.txt | English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어 हिन्दी
French Italiano Español
| |
gorm_associations_advanced/query.html3_31_0.txt | Getting Started Overview Declaring Models Connecting to Database CRUD
Interface Create Query Advanced Query Update Delete Raw SQL & SQL
Builder Associations Belongs To Has One Has Many Many To Many
Association Mode Preloading (Eager Loading) Tutorials Context Error
Handling Method Chaining Session ... | |
gorm_associations_advanced/many_to_many.html3_11_0.txt | ` JoinTable ` can be a full-featured model, like having ` Soft Delete ` ， `
Hooks ` supports and more fields, you can set it up with ` SetupJoinTable ` ,
for example:
> NOTE:
> Customized join table’s foreign keys required to be composited primary keys
> or composited unique index
type Person struct {... | |
gorm_associations_advanced/42299_22_0.txt | We read every piece of feedback, and take your input very seriously.
Include my email address so I can be contacted | |
gorm_associations_advanced/gorm_Advanced_2_2.txt | face**
[ Create ](create.html) [ Query ](query.html) [ Advanced Query
](advanced_query.html) [ Update ](update.html) [ Delete ](delete.html) [ Raw
SQL & SQL Builder ](sql_builder.html) **Associations** [ Belongs To
](belongs_to.html) [ Has One ](has_one.html) [ Has Many ](has_many.html) [
Many To Many ](many_to_many.ht... | |
gorm_associations_advanced/42299_39_0.txt | Copy link
### | |
gorm_associations_advanced/preload.html6_11_0.txt | For example:
type Address struct {
CountryID int
Country Country
}
type Org struct {
PostalAddress Address `gorm:"embedded;embeddedPrefix:postal_address_"`
VisitingAddress Address `gorm:"embedded;embeddedPrefix:visiting_address_"`
Address ... | |
gorm_associations_advanced/gorm_associations_2_1.txt | 1"}})
// INSERT INTO `dogs` (`name`) VALUES ("dog1")
// INSERT INTO `toys` (`name`,`owner_id`,`owner_type`) VALUES ("toy1","1","master")
---
## CRUD with Has One
Please checkout [ Association Mode ](associations.html#Association-Mode) for
working with ` has one ` relations
## Eager Load... | |
gorm_associations_advanced/42299_37_0.txt | Assignees
Labels | |
gorm_associations_advanced/42299_5_0.txt | Find and fix vulnerabilities
* Codespaces | |
gorm_associations_advanced/preload.html6_6_0.txt | ` clause.Associations ` can work with ` Preload ` similar like ` Select ` when
creating/updating, you can use it to ` Preload ` all associations, for
example:
type User struct {
gorm.Model
Name string
CompanyID uint
Company Company
Role Role
... | |
gorm_associations_advanced/gorm_associations_3_0.txt | # [  ](/)
[ __ Docs ](/docs/) [ __ Gen ](/gen/) [ __ Community ](/community.html) [ __
API ](https://pkg.go.dev/gorm.io/gorm) [ __ Contribute ](/contribute.html)
__
__ English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어
हिन्दी French Italiano Español
# Belongs To
[ __ ](http... | |
gorm_associations_advanced/gorm_associations_2_0.txt | # [  ](/)
[ __ Docs ](/docs/) [ __ Gen ](/gen/) [ __ Community ](/community.html) [ __
API ](https://pkg.go.dev/gorm.io/gorm) [ __ Contribute ](/contribute.html)
__
__ English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어
हिन्दी French Italiano Español
# Has One
[ __ ](https:/... | |
gorm_associations_advanced/many_to_many.html3_19_0.txt | Become a Sponsor!
Contents | |
gorm_associations_advanced/42299_16_0.txt | Fund open source developers
* The ReadME Project | |
gorm_associations_advanced/query.html3_22_0.txt |
db.Joins("Company").Find(&users)
// SELECT `users`.`id`,`users`.`name`,`users`.`age`,`Company`.`id` AS `Company__id`,`Company`.`name` AS `Company__name` FROM `users` LEFT JOIN `companies` AS `Company` ON `users`.`company_id` = `Company`.`id`;
// inner join
db.InnerJoins("Company")... | |
gorm_associations_advanced/preload.html6_4_0.txt |
db.Joins("Company").Joins("Manager").Joins("Account").First(&user, 1)
db.Joins("Company").Joins("Manager").Joins("Account").First(&user, "users.name = ?", "jinzhu")
db.Joins("Company").Joins("Manager").Joins("Account").Find(&users, "users.id IN ?", []int{1,2,3,4,5})
---
Join w... | |
gorm_associations_advanced/preload.html6_8_0.txt |
// Preload Orders with conditions
db.Preload("Orders", "state NOT IN (?)", "cancelled").Find(&users)
// SELECT * FROM users;
// SELECT * FROM orders WHERE user_id IN (1,2,3,4) AND state NOT IN ('cancelled');
db.Where("state = ?", "active").Preload("Orders", "state NOT IN (?)... | |
gorm_associations_advanced/query.html3_32_0.txt | 感谢 无闻 对域名 gorm.cn 的捐赠
浙ICP备2020033190号-1
* Home
Docs Gen Community API Contribute
Getting Started Overview Declaring Models Connecting to Database CRUD
Interface Create Query Advanced Query Update Delete Raw SQL & SQL
Builder Associations Belongs To Has One Has Many Many To Many
Associa... | |
gorm_associations_advanced/42299_33_0.txt | Already on GitHub? Sign in to your account
Jump to bottom | |
gorm_associations_advanced/query.html3_10_0.txt | ### Specify Struct search fields
When searching with struct, you can specify which particular values from the
struct to use in the query conditions by passing in the relevant field name or
the dbname to ` Where() ` , for example: | |
gorm_associations_advanced/42299_25_0.txt | Query
To see all available qualifiers, see our documentation . | |
gorm_associations_advanced/preload.html6_1_0.txt | English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어 हिन्दी
French Italiano Español
# Preloading (Eager Loading) | |
gorm_associations_advanced/gorm_associations_4_2.txt | Sponsors
[ 
](https://www.encore.dev/?utm_source=github&utm_medium=github-gorm-sponsor-
logo&utm_campaign=gorm-20231215 "Encore")
[  ](https://incident.io
"Incident.io")
[ Become a Sponsor! ](/contribute.html#Donations)
**Contents**
... | |
gorm_associations_advanced/42299_46_0.txt | All reactions
* 👀 1 reaction | |
gorm_associations_advanced/42299_14_0.txt | Resources
* Learning Pathways
* White papers, Ebooks, Webinars
* Customer Stories
* Partners | |
gorm_associations_advanced/many_to_many.html3_16_0.txt | Become a Sponsor!
# Gold Sponsors | |
gorm_associations_advanced/gorm_associations_0_0.txt | # [  ](/)
[ __ Docs ](/docs/) [ __ Gen ](/gen/) [ __ Community ](/community.html) [ __
API ](https://pkg.go.dev/gorm.io/gorm) [ __ Contribute ](/contribute.html)
__
__ English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어
हिन्दी French Italiano Español
# Many To Many
[ __ ](ht... | |
gorm_associations_advanced/query.html3_23_0.txt | ### Joins a Derived Table
You can also use ` Joins ` to join a derived table. | |
gorm_associations_advanced/42299_52_0.txt | Assignees
jinzhu | |
gorm_associations_advanced/42299_40_0.txt | dslaporte commented Mar 27, 2021
## Your Question | |
gorm_associations_advanced/preload.html6_13_0.txt | # Platinum Sponsors
Become a Sponsor! | |
gorm_associations_advanced/42299_55_0.txt | Milestone
No milestone | |
gorm_associations_advanced/many_to_many.html3_1_0.txt | English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어 हिन्दी
French Italiano Español
# Many To Many | |
gorm_associations_advanced/42299_2_0.txt | * Product
* Actions | |
gorm_associations_advanced/many_to_many.html3_8_0.txt | Self-referencing many2many relationship
type User struct {
gorm.Model
Friends []*User `gorm:"many2many:user_friends"`
}
// Which creates join table: user_friends
// foreign key: user_id, reference: users.id
// foreign key: friend_id, reference: users.id ... | |
gorm_associations_advanced/many_to_many.html3_6_0.txt | For a ` many2many ` relationship, the join table owns the foreign key which
references two models, for example:
type User struct {
gorm.Model
Languages []Language `gorm:"many2many:user_languages;"`
}
type Language struct {
gorm.Model
Name string
} ... | |
gorm_associations_advanced/query.html3_9_0.txt |
// Struct
db.Where(&User{Name: "jinzhu", Age: 20}).First(&user)
// SELECT * FROM users WHERE name = "jinzhu" AND age = 20 ORDER BY id LIMIT 1;
// Map
db.Where(map[string]interface{}{"name": "jinzhu", "age": 20}).Find(&users)
// SELECT * FROM users WHERE name = "jinzhu"... | |
gorm_associations_advanced/many_to_many.html3_21_0.txt | Getting Started Overview Declaring Models Connecting to Database CRUD
Interface Create Query Advanced Query Update Delete Raw SQL & SQL
Builder Associations Belongs To Has One Has Many Many To Many
Association Mode Preloading (Eager Loading) Tutorials Context Error
Handling Method Chaining Session ... | |
gorm_associations_advanced/42299_54_0.txt | Projects
None yet | |
gorm_associations_advanced/preload.html6_2_0.txt | ## Preload
GORM allows eager loading relations in other SQL with ` Preload ` , for
example: | |
gorm_associations_advanced/42299_21_0.txt | Search syntax tips
# Provide feedback | |
gorm_associations_advanced/preload.html6_19_0.txt | © 2013~2024 Jinzhu
Documentation licensed under CC BY 4.0 .
感谢 无闻 对域名 gorm.cn 的捐赠
浙ICP备2020033190号-1 | |
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You switched accounts on another tab or window. Reload to refresh your
session. Dismiss alert | |
gorm_associations_advanced/gorm_Advanced_1_0.txt | # [  ](/)
[ __ Docs ](/docs/) [ __ Gen ](/gen/) [ __ Community ](/community.html) [ __
API ](https://pkg.go.dev/gorm.io/gorm) [ __ Contribute ](/contribute.html)
__
__ English English 简体中文 Deutsch bahasa Indonesia 日本語 Русский 한국어
हिन्दी French Italiano Español
# Sharding
[ __ ](https:... | |
gorm_associations_advanced/query.html3_30_0.txt | 1. Retrieving a single object
1. Retrieving objects with primary key
2. Retrieving all objects
3. Conditions
1. String Conditions
2. Struct & Map Conditions
3. Specify Struct search fields
4. Inline Condition
5. Not Conditions
6. Or Conditions
4. Selecting Specific Fields
... | |
gorm_associations_advanced/query.html3_7_0.txt |
// Get all records
result := db.Find(&users)
// SELECT * FROM users;
result.RowsAffected // returns found records count, equals `len(users)`
result.Error // returns error
---
## Conditions
### String Conditions | |
gorm_associations_advanced/42299_15_0.txt | * Open Source
* GitHub Sponsors | |
gorm_associations_advanced/many_to_many.html3_20_0.txt | 1. Many To Many
2. Back-Reference
1. Declare
2. Retrieve
3. Override Foreign Key
4. Self-Referential Many2Many
5. Eager Loading
6. CRUD with Many2Many
7. Customize JoinTable
8. FOREIGN KEY Constraints
9. Composite Foreign Keys
Improve this page Back to Top | |
gorm_associations_advanced/many_to_many.html3_13_0.txt | ## Composite Foreign Keys
If you are using Composite Primary Keys for your models, GORM will enable
composite foreign keys by default | |
gorm_associations_advanced/gorm_Advanced_1_2.txt | html) [ Prometheus
](prometheus.html) [ Hints ](hints.html) [ Indexes ](indexes.html) [
Constraints ](constraints.html) [ Composite Primary Key
](composite_primary_key.html) [ Security ](security.html) [ GORM Config
](gorm_config.html) [ Write Plugins ](write_plugins.html) [ Write Driver
](write_driver.html) [ ChangeLo... | |
gorm_associations_advanced/42299_57_0.txt | 2 participants
## Footer | |
gorm_associations_advanced/gorm_associations_0_1.txt | eager loading has many associations with ` Preload ` , refer [
Preloading (Eager loading) ](preload.html) for details
## CRUD with Many2Many
Please checkout [ Association Mode ](associations.html#Association-Mode) for
working with many2many relations
## Customize JoinTable
` JoinTable ` can be a full-featured mod... | |
gorm_associations_advanced/42299_51_0.txt | jinzhu closed this as completed Apr 16, 2021
Sign up for free to join this conversation on GitHub . Already have an
account? Sign in to comment | |
gorm_associations_advanced/gorm_associations_2_2.txt | y
](composite_primary_key.html) [ Security ](security.html) [ GORM Config
](gorm_config.html) [ Write Plugins ](write_plugins.html) [ Write Driver
](write_driver.html) [ ChangeLog ](changelog.html) [ Community
](/community.html) [ Contribute ](/contribute.html) [ Translate current site
](/contribute.html#Translate-this... | |
gorm_associations_advanced/many_to_many.html3_4_0.txt | ## Back-Reference
### Declare | |
gorm_associations_advanced/42299_43_0.txt | I'd like to know if is there a way to make multiple inner join, instead of
loading nestes with another queries. In a production environment it can
provide a low performance on database. Thanks
## The document you expected this should be explained | |
gorm_associations_advanced/42299_59_0.txt | * Terms
* Privacy
* Security
* Status
* Docs
* Contact
* Manage cookies
* Do not share my personal information
You can’t perform that action at this time. | |
gorm_associations_advanced/42299_24_0.txt | ## Use saved searches to filter your results more quickly
Name | |
gorm_associations_advanced/query.html3_29_0.txt | Become a Sponsor!
Contents |
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