@uwdata/mosaic-sql/src/ast/in-op.ts

SQL query construction and analysis.

import { IN_OPERATOR } from '../constants.js';
import { ExprNode } from './node.js';

export class InOpNode extends ExprNode {
  /** The input expression. */
  readonly expr: ExprNode;
  /** The value set. */
  readonly values: ExprNode[];

  /**
   * Instantiate an in operator node.
   * @param expr The input expression.
   * @param values The value set.
   */
  constructor(expr: ExprNode, values: ExprNode[]) {
    super(IN_OPERATOR);
    this.expr = expr;
    this.values = values;
  }

  /**
   * Generate a SQL query string for this node.
   */
  toString() {
    return `(${this.expr} IN (${this.values.join(', ')}))`;
  }
}