Source: https://tanstack.com/db/latest/docs/reference/functions/compileQuery

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On this page

• Function: compileQuery()

• Parameters

• rawQuery

• inputs

• collections

• subscriptions

• callbacks

• lazySources

• optimizableOrderByCollections

• setWindowFn

• cache

• queryMapping

• Returns

compileQuery

Copy Markdown

Function: compileQuery()
========================

ts

function compileQuery(
   rawQuery, 
   inputs, 
   collections, 
   subscriptions, 
   callbacks, 
   lazySources, 
   optimizableOrderByCollections, 
   setWindowFn, 
   cache, 
   queryMapping): CompilationResult;


function compileQuery(
   rawQuery, 
   inputs, 
   collections, 
   subscriptions, 
   callbacks, 
   lazySources, 
   optimizableOrderByCollections, 
   setWindowFn, 
   cache, 
   queryMapping): CompilationResult;

Defined in: packages/db/src/query/compiler/index.ts:85

Compiles a query IR into a D2 pipeline

Parameters
---------- ### rawQuery

QueryIR

The query IR to compile

### inputs

Record<string, KeyedStream >

Mapping of source aliases to input streams (e.g., { employee: input1, manager: input2 })

### collections

Record<string, Collection <any, any, any, any, any>>

Mapping of collection IDs to Collection instances

### subscriptions

Record<string, CollectionSubscription>

Mapping of source aliases to CollectionSubscription instances

### callbacks

Record<string, LazyCollectionCallbacks>

Mapping of source aliases to lazy loading callbacks

### lazySources

Set<string>

Set of source aliases that should load data lazily

### optimizableOrderByCollections

Record<string, OrderByOptimizationInfo>

Map of collection IDs to order-by optimization info

### setWindowFn

(windowFn) => void

### cache

QueryCache = ...

Optional cache for compiled subqueries (used internally for recursion)

### queryMapping

QueryMapping = ...

Optional mapping from optimized queries to original queries

Returns
-------

CompilationResult

A CompilationResult with the pipeline, source WHERE clauses, and alias metadata

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