I'm using v6 of Sequelize with mariaDB. When I try to execute the following in a migrate file:
return queryInterface.addIndex('RVersion', ['terms'], {
indicesType: 'FULLTEXT'
});
I get the following error message:
BLOB/TEXT column 'terms' used in key specification without a key length
What is the correct way to create this index in sequelize?
Use fields option in options instead of the second parameter like this:
return queryInterface.addIndex('RVersion', {
fields: [{
name: 'terms',
length: 255
}],
type: 'FULLTEXT' // this option name is `type`
});
Related
I'm adding a list called 'tourlocation' to my Keystone 5 project. In my mongo database my tourlocations collection has an object called 'coordinates', with two values: 'lat' and 'long'. Example:
"coordinates" : {
"lat" : 53.343761,
"long" : -6.24953
},
In the previous version of keystone, I could define my tourlocation list coordinates object like this:
coordinates: {
lat: {
type: Number,
noedit: true
},
long: {
type: Number,
noedit: true
}
Now unfortunately, when I try to define the list this way it gives the error: The 'tourlocation.coordinates' field doesn't specify a valid type. (tourlocation.coordinates.type is undefined)'
Is there any way to represent objects in keystone 5?
#Alex Hughes I believe your error says "type" which you may need to add it like this
keystone.createList('User', {
fields: {
name: { type: Text }, // Look at the type "Text" even in the MongoDB you can choose the type but it will be better to choose it here from the beginning.
email: { type: Text },
},
});
Note that noedit: true is not supported in version 5 of KeystoneJS.
For more info look at this page https://www.keystonejs.com/blog/field-types#core-field-types
I can't find anything about how to do this type of query in FaunaDB. I need to select only specifics fields from a document, not all fields. I can select one field using Select function, like below:
serverClient.query(
q.Map(
q.Paginate(q.Documents(q.Collection('products')), {
size: 12,
}),
q.Lambda('X', q.Select(['data', 'title'], q.Get(q.Var('X'))))
)
)
Forget the selectAll function, it's deprecated.
You can also return an object literal like this:
serverClient.query(
q.Map(
q.Paginate(q.Documents(q.Collection('products')), {
size: 12,
}),
q.Lambda(
'X',
{
title: q.Select(['data', 'title'], q.Get(q.Var('X')),
otherField: q.Select(['data', 'other'], q.Get(q.Var('X'))
}
)
)
)
Also you are missing the end and beginning quotation marks in your question at ['data, title']
One way to achieve this would be to create an index that returns the values required. For example, if using the shell:
CreateIndex({
name: "<name of index>",
source: Collection("products"),
values: [
{ field: ["data", "title"] },
{ field: ["data", "<another field name>"] }
]
})
Then querying that index would return you the fields defined in the values of the index.
Map(
Paginate(
Match(Index("<name of index>"))
),
Lambda("product", Var("product"))
)
Although these examples are to be used in the shell, they can easily be used in code by adding a q. in front of each built-in function.
I am trying to test/run a mutation that creates groupChat in my DynamoDB by id,groupChatName, messages, createdTime, createdUser, users. I have 2 seperate tables, UserTable and GroupChatTable.The problem is I keep getting data is null and an error that says "the provided key element does not match the schema. ErrorCode: Validation Exception, request ID." Resolvers are attached to my tables so I am not sure why I am getting this error.
The weird thing is when I check the groupChatTable, my mutation is saved incorrectly as an input.This is what it looks like,
Ex: {"createdTime":{"S":"12:00"},"createdUser":{"S":"Me"},........
Below is the Mutation,Schema type,and Resolver.
createGroupChat(input:{
id: 4
groupChatName: "newgroup"
messages: "we love this group"
createdTime:"12:00"
createdUser: "Me"
users:"we, me"
}) {
id
groupChatName
messages
createdTime
createdUser
users
}
}```
```type GroupChat {
id: ID!
groupChatName: String!
messages: String
createdTime: String!
createdUser: String!
users: String
}```
```{
"version" : "2017-02-28",
"operation" : "PutItem",
"key" : {
"id": $util.dynamodb.toDynamoDBJson($util.autoId()),
},
"attributeValues" : $util.dynamodb.toMapValuesJson($ctx.args)
}```
It looks like the way data is being stored through resolver is incorrect and when it returns it doesn't match the schema
Instead of using $util.dynamodb.toMapValuesJson(($ctx.args))
use: $util.dynamodb.toMapValuesJson($util.parseJson($util.toJson($ctx.args.input)))
Is there a possibility to use a composite key for idProperty in dojo/Memory.
For example: var test = new Memory({ data: response, idProperty: ['id_user','id_profile',id_center]});
And if yes, how can I access the id after, will it be item.id or what?
You could use a concatenated id, eg for instance :
. Add a record with something like :
myMemoryStore.put({
id: [someUserName, someProfile, someCenter].join('#'),
userName: someUserName,
profile: someProfile,
center: someCenter,
......
});
. And then retrieve a record with :
user = myMemoryStore.get(["John Smith", "profile X", "center Y"].join('#'));
Provided that none of these fields can contain the character '#', it's more secure.
I am using SQL proxy in my Sencha Touch 2 app and I am able to store and retrieve data offline.
What I cannot do and what the Sencha documentation does not seem to provide is how do I customize the Sencha SQL store.
For eg, to create a SQL based store, I did the following -
Ext.define("MyApp.model.Customer", {
extend: "Ext.data.Model",
config: {
fields: [
{name: 'id', type: 'int'},
{name: 'name', type: 'string'},
{name: 'age', type: 'string'}
],
proxy: {
type: "sql",
database: "MyDb",
}
}
});
1. Now, how do i specify the size of the database ?
2. How do I specify constraints on the fields like unique, primary key etc ?
Say, I have 4 columns in my database :
pid, name, age, phone
I want to have a primary key for multiple fields : (pid, name)
If I was creating a table via SQL query, I would do something like -
CREATE TABLE Persons
(
pid int,
name varchar(255),
age int,
phone int,
primary key (pid,name)
);
Now how do I achieve the same via model ?
3. If I want to interact with the database via SQL query, I do the following -
var query = "SELECT * from CUSTOMER";
var db = openDatabase('MyDb', '1.0', 'MyDb', 2 * 1024 * 1024);
db.transaction(function (tx) {
tx.executeSql(query, [], function (tx, results) {
// do something here
}, null);
});
Is this the best way to do it?