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Oxford Harrison edited this page Nov 9, 2024
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This is a progressive documentation of the Linked QL API.
These are the high-level database abstraction APIs in Linked QL.
| API | Description |
|---|---|
Client |
The top-level Linked QL API |
Database |
The database-level Linked QL API |
Table |
The table-level Linked QL API |
Savepoint |
The Savepoint API |
Above, the Client, Database, and Table APIs have the following relationship:
Client
.database(): Database
.table(): TableThese APIs at play could look something like:
// Create database "database_1"
await client.createDatabase(
'database_1',
{ ifNotExists: true }
);// Enter "database_1" and create a table
await client.database('database_1').createTable({
name: 'table_1', columns: [
{ name: 'column_1', type: 'int', identity: true, primaryKey: true },
{ name: 'column_2', type: 'varchar' },
{ name: 'column_3', type: 'varchar' },
]
});// Enter "table_1" and insert data
await client.database('database_1').table('table_1').insert({
column_2: 'Column 2 test content',
column_3: 'Column 3 test content',
});While the primary query API in here is client.query(), Linked QL comes with the additional APIs to let you programmatically do the same things possible with client.query().
These are the Data Query APIs.
| API | Description |
|---|---|
SelectStatement |
The SelectStatement API |
These are the Data Manipulation APIs.
| API | Description |
|---|---|
InsertStatement |
The InsertStatement API |
UpsertStatement |
The UpsertStatement API |
UpdateStatement |
The UpdateStatement API |
DeleteStatement |
The DeleteStatement API |
These are the Data Definition APIs.
| API | Description |
|---|---|
CreateDatabase |
The CreateDatabase API |
RenameDatabase |
The RenameDatabase API |
AlterDatabase |
The AlterDatabase API |
DropDatabase |
The DropDatabase API |
| API | Description |
|---|---|
CreateTable |
The CreateTable API |
RenameTable |
The RenameTable API |
AlterTable |
The AlterTable API |
DropTable |
The DropTable API |