* Step 3: Group WHERE clauses by the sources they touch. * * Single-source clauses can be pushed down to subqueries for optimization. * Multi-sourc

Handle incoming changes from a source collection

* Checks if a key exists in the map * * @param key - The key to check * @returns True if the key exists, false otherwise

* Checks whether any includes state has pending changes that need to be flushed. * Checks direct pending child changes and shared nested buffers.

Method indirection to prevent TypeScript from narrowing `disposed` across awaits

Method indirection to prevent TypeScript from narrowing `disposed` across awaits

* Helper function to check if an object is a nested select object * * .select({ * id: users.id, * profile: { // <-- this is a nested select ob

* Load data from storage and return as a Map * @param parser - The parser to use for deserializing the data * @param storageKey - The key used to st

* Get the maximum of two values, handling both numbers and Dates

* Get the minimum of two values, handling both numbers and Dates

* Moves the topK window

* Helper function to optimize a FROM clause while tracking what was actually optimized. * * @param from - FROM clause to optimize * @param singleSo

* Perform cleanup operations, optionally in chunks during idle time * @returns true if cleanup was completed, false if it was rescheduled

* Probe IndexedDB availability by attempting to open a test database. * This catches private mode and other restrictions that block IndexedDB.

* Processes a merge operation by merging source values into the target path

* Processes a non-merge operation by setting the field value at the specified alias path

* Quote SQLite identifiers to handle column names correctly. * SQLite uses double quotes for identifiers.