@uwdata/mosaic-sql/dist/src/ast/unary-op.js

SQL query construction and analysis.

import { UNARY_OPERATOR, UNARY_POSTFIX_OPERATOR } from '../constants.js';
import { ExprNode } from './node.js';
class AbstractUnaryOpNode extends ExprNode {
    /** The operator type. */
    op;
    /** The input expression. */
    expr;
    /**
     * Instantiate an abstract unary operator node.
     * @param type The node type.
     * @param op The operator type.
     * @param expr The input expression.
     */
    constructor(type, op, expr) {
        super(type);
        this.op = op;
        this.expr = expr;
    }
}
export class UnaryOpNode extends AbstractUnaryOpNode {
    /**
     * Instantiate a unary operator node.
     * @param op The operator type.
     * @param expr The input expression.
     */
    constructor(op, expr) {
        super(UNARY_OPERATOR, op, expr);
    }
    /**
     * Generate a SQL query string for this node.
     */
    toString() {
        return `(${this.op} ${this.expr})`;
    }
}
export class UnaryPostfixOpNode extends AbstractUnaryOpNode {
    /**
     * Instantiate a unary operator node.
     * @param op The operator type.
     * @param expr The input expression.
     */
    constructor(op, expr) {
        super(UNARY_POSTFIX_OPERATOR, op, expr);
    }
    /**
     * Generate a SQL query string for this node.
     */
    toString() {
        return `(${this.expr} ${this.op})`;
    }
}
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