@uwdata/mosaic-sql/dist/src/ast/node.js

SQL query construction and analysis.

/**
 * Check if a value is a SQL AST node.
 * @param value The value to check.
 */
export function isNode(value) {
    return value instanceof SQLNode;
}
export class SQLNode {
    /** The SQL AST node type. */
    type;
    /**
     * Instantiate a SQL AST node.
     * @param type The SQL AST node type.
     */
    constructor(type) {
        this.type = type;
    }
    /**
     * Create a shallow clone of this SQL AST node.
     * @returns The shallow clone node.
     */
    clone() {
        // @ts-expect-error use constructor
        const clone = new this.constructor();
        for (const key in this) {
            clone[key] = this[key];
        }
        return clone;
    }
}
/**
 * AST node corresponding to an individual expression.
 */
export class ExprNode extends SQLNode {
}
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