nocodb/packages/noco-docs-prev/content/en/developer-resources/graphql-apis.md

title	position	category	menuTitle
GraphQL APIs	1020	Developer Resources	GraphQL APIs

Features

• Generates GraphQL APIs for ANY MySql, Postgres, MSSQL, Sqlite database 🔥
• Serves GraphQL queries irrespective of naming conventions of primary keys, foreign keys, tables etc 🔥
• Support for composite primary keys 🔥
• Usual suspects : CRUD, List, FindOne, Count, Exists, Distinct
• Pagination
• Sorting
• Column filtering - Fields 🔥
• Row filtering - Where 🔥
• Bulk insert, Bulk delete, Bulk read 🔥
• Relations - automatically detected
• Aggregate functions
• More
  • Upload single file
  • Upload multiple files
  • Download file
• Authentication
• Access Control

API Overview

Query

Resolver	Arguments	Returns	Description
TableNameList	where: String, limit: Int, offset: Int, sort: String	[TableName]	List of table rows
TableNameRead	id:String	TableName	Get row by primary key
TableNameExists	id: String	Boolean	Check row exists by primary key
TableNameFindOne	where: String	TableName	Find row by where conditions
TableNameCount	where: String	Int	Get rows count
TableNameDistinct	columnName: String, where: String, limit: Int, offset: Int, sort: String	[TableName]	Get distinct rows based on provided column names
TableNameGroupBy	fields: String, having: String, limit: Int, offset: Int, sort: String	[TableNameGroupBy]	Group rows by provided columns
TableNameAggregate	columnName: String!, having: String, limit: Int, offset: Int, sort: String, func: String!	[TableNameAggregate]	Do aggregation based on provided column name aggregate function
TableNameDistribution	min: Int, max: Int, step: Int, steps: String, columnName: String!	[distribution]	Get distributed list

Mutations

Resolver	Arguments	Returns	Description
TableNameCreate	data:TableNameInput	TableName	Insert row into table
TableNameUpdate	id:String,data:TableNameInput	TableName	Update table row using primary key
TableNameDelete	id:String	TableName	Delete table row using primary id
TableNameCreateBulk	data: [TableNameInput]	[Int]	Bulk row insert
TableNameUpdateBulk	data: [TableNameInput]	[Int]	Bulk row update
TableNameDeleteBulk	data: [TableNameInput]	[Int]	Bulk row delete

Query params

Param	Description	Default value	Example Value
where	Logical Expression		(colName,eq,colValue)~or(colName2,gt,colValue2) Usage: Comparison operators Usage: Logical operators
limit	Number of rows to get(SQL limit value)	10	20
offset	Offset for pagination(SQL offset value)	0	20
sort	Sort column name, where use - as prefix for descending sort		column_name
fields	Required column names in result	*	column_name_1,column_name_2

Comparison operators

eq      -   '='         -  (colName,eq,colValue)
not     -   '!='        -  (colName,not,colValue)
gt      -   '>'         -  (colName,gt,colValue)
ge      -   '>='        -  (colName,ge,colValue)
lt      -   '<'         -  (colName,lt,colValue)
le      -   '<='        -  (colName,le,colValue)
is      -   'is'        -  (colName,is,true/false/null)
isnot   -   'is not'    -  (colName,isnot,true/false/null)
in      -   'in'        -  (colName,in,val1,val2,val3,val4)
btw     -   'between'   -  (colName,btw,val1,val2) 
nbtw    -  'not between'-  (colName,nbtw,val1,val2) 
like    -   'like'      -  (colName,like,%name)

Example use of comparison operators - complex example

PaymentList(where:"(checkNumber,eq,JM555205)~or((amount,gt,200)~and(amount,lt,2000))") 

Logical operators

~or     -   'or'
~and    -   'and'
~not    -   'not'

Examples

TableNameList

CountryList {
    country_id
    country
    last_update
}

{
  "data": {
    "CountryList": [
      {
        "country_id": 1,
        "country": "Afghanistan",
        "last_update": "1139978640000",
        "CityCount": 1
      },
      {
        "country_id": 2,
        "country": "Algeria",
        "last_update": "1139978640000",
        "CityCount": 3
      },
      {
        "country_id": 3,
        "country": "American Samoa",
        "last_update": "1139978640000",
        "CityCount": 1
      }
    ]
  }
}

List + where

{
  CountryList(where:"(country,like,United%)") {
    country_id
    country
    last_update
    CityCount
  }
}

{
  "data": {
    "CountryList": [
      {
        "country_id": 101,
        "country": "United Arab Emirates",
        "last_update": "1139958840000",
        "CityCount": 3
      },
      {
        "country_id": 102,
        "country": "United Kingdom",
        "last_update": "1139958840000",
        "CityCount": 8
      },
      {
        "country_id": 103,
        "country": "United States",
        "last_update": "1139958840000",
        "CityCount": 35
      }
    ]
  }
}

Usage : comparison operators

List + where + sort

{
  CountryList(where:"(country,like,United%)",sort:"-country") {
    country_id
    country
    last_update
    CityCount
  }
}

{
  "data": {
    "CountryList": [
      {
        "country_id": 103,
        "country": "United States",
        "last_update": "1139958840000",
        "CityCount": 35
      },
      {
        "country_id": 102,
        "country": "United Kingdom",
        "last_update": "1139958840000",
        "CityCount": 8
      },
      {
        "country_id": 101,
        "country": "United Arab Emirates",
        "last_update": "1139958840000",
        "CityCount": 3
      }
    ]
  }
}

List + where + sort + offset

{
  CountryList(where:"(country,like,United%)",sort:"-country",offset:1) {
    country_id
    country
    last_update
    CityCount
  }
}

{
  "data": {
    "CountryList": [
      {
        "country_id": 102,
        "country": "United Kingdom",
        "last_update": "1139958840000",
        "CityCount": 8
      },
      {
        "country_id": 101,
        "country": "United Arab Emirates",
        "last_update": "1139958840000",
        "CityCount": 3
      }
    ]
  }
}

List + limit

{
  CountryList(limit:6) {
    country
  }
}

{
  "data": {
    "CountryList": [
      {
        "country": "Afghanistan"
      },
      {
        "country": "Algeria"
      },
      {
        "country": "American Samoa"
      },
      {
        "country": "Angola"
      },
      {
        "country": "Anguilla"
      },
      {
        "country": "Argentina"
      }
    ]
  }
}

⤴

TableNameRead

 CountryRead(id:"1") {
   country_id
   country
   last_update
 }

  "data": {
    "CountryRead": {
      "country_id": 1,
      "country": "Afghanistan",
      "last_update": "1139978640000",
      "CityCount": 1
    }
  }

⤴

TableNameExists

 CountryExists(id:"1")

  "data": {
    "CountryExists": true
  }

⤴

TableNameFindOne

 CountryFindOne(where:"(country_id,eq,1)") {
   country_id
   country
   last_update
   CityCount
 }

  "data": {
    "CountryFindOne": {
      "country_id": 1,
      "country": "Afghanistan",
      "last_update": "1139978640000",
      "CityCount": 1
    }
  }

⤴

TableNameCount

CountryCount

{
 "data": {
    "CountryCount": 109
  }
}

⤴

TableNameDistinct

{
  CountryDistinct(columnName:"last_update",limit:3) {
    last_update
  }
}

{
  "data": {
    "CountryDistinct": [
      {
        "last_update": "1139958840000"
      },
      {
        "last_update": "1578323893000"
      },
      {
        "last_update": "1578321201000"
      }
    ]
  }
}

⤴

TableNameGroupBy

{
  CountryGroupBy(fields:"last_update",limit:1) {
    country_id
    country
    last_update
    count
  }
}

{
  "data": {
    "CountryGroupBy": [
      {
        "country_id": null,
        "country": null,
        "last_update": "1139958840000",
        "count": 109
      }
    ]
  }
}

⤴

TableNameAggregate

{
  PaymentAggregate(columnName:"amount",func:"min,max,avg,count") {
    count
    avg
    min
  }
}

{
  "data": {
    "PaymentAggregate": [
      {
        "count": 16048,
        "avg": 4.200743,
        "min": 0
      }
    ]
  }
}

⤴

TableNameDistribution

{
  PaymentDistribution (columnName:"amount"){
    range
    count
  }
}

{
  "data": {
    "PaymentDistribution": [
      {
        "range": "0-4",
        "count": 8302
      },
      {
        "range": "5-8",
        "count": 3100
      },
      {
        "range": "9-11.99",
        "count": 371
      }
    ]
  }
}

⤴

TableNameCreate

mutation {
  CountryCreate(data: {country: "test"}) {
    country_id
    country
    last_update
    CityCount
  }
}

{
  "data": {
    "CountryCreate": {
      "country_id": 10264,
      "country": "test",
      "last_update": null,
      "CityCount": 0
    }
  }
}

⤴

TableNameUpdate

mutation {
  CountryUpdate(data: {country: "test_new"}, id: "10264") {
    country_id
    country
    last_update
    CityCount
  }
}

{
  "data": {
    "CountryUpdate": {
      "country_id": null,
      "country": null,
      "last_update": null,
      "CityCount": null
    }
  }
}

⤴

TableNameDelete

mutation {
  CountryDelete(id: "10264") {
    country_id
    country
    last_update
    CityCount
  } 
}

{
  "data": {
    "CountryDelete": {
      "country_id": null,
      "country": null,
      "last_update": null,
      "CityCount": null
    }
  }
}

⤴

TableNameCreateBulk

mutation {
  CountryCreateBulk(data:[{country:"test 2"},{country:"test 3"}])
}

{
  "data": {
    "CountryCreateBulk": [
      10265
    ]
  }
}

⤴

TableNameUpdateBulk

mutation {
  CountryUpdateBulk(data: [{country: "test 2", country_id: 10265}, {country: "test 3", country_id: 10266}])
}

{
  "data": {
    "CountryUpdateBulk": [
      1,
      1
    ]
  }
}

⤴

TableNameDeleteBulk

mutation {
  CountryDeleteBulk(data: [{country_id: 10265}, {country_id: 10266}])
}

{
  "data": {
    "CountryDeleteBulk": [
      1,
      1
    ]
  }
}