Function getExprData

AST Module

This module provides types, type guards, helpers, and visitor utilities for working with SQL AST nodes.

Query builders are in src/builders.ts (WASM-backed).

getExprData<E extends ast.Expression>(expr: E): ExpressionData<E>
Get the inner data of an Expression at runtime.
Type Parameters
- E extends ast.Expression
Parameters
- expr: E
Returns ExpressionData<E>
Example
```
const result = parse("SELECT 1");
if (result.success && isExpressionType(result.ast[0], 'select')) {
  const selectData = getExprData(result.ast[0]);
  // selectData.expressions, selectData.from, etc.
}
```
- Defined in ast/helpers.ts:133