json-sql-builder/lib/postgreSQL/select.js

SQLBuilder to translate JSON dataformat like mongo to SQL

'use strict';

const _ 		= require('lodash');
const helpers 	= require('../ansi/helpers');

module.exports = function(sqlBuilder) {
	/**
	 * @name Select
	 * @summary Syntax for SELECT Statement using PostgreSQL language dialect.
	 * ```syntax
	 * SELECT [$distinct] [$all]
	 * 		{ <$columns> [$into] }
	 * 		{ FROM [$table] | [$from] }
	 * 		{ INNER | LEFT | RIGHT ... JOIN [$joins] }
	 * 		{ WHERE [$where] }
	 * 		{ GROUP BY [$groupBy]
	 * 			{ HAVING [$having] }
	 * 		}
	 * 		{ ORDER BY { [$sort] | [$orderBy] } }
	 * 		{ LIMIT [$limit] { OFFSET [$offset] } }
	 * ```
	 * @isquerying true
	 * @postgres true
	 */
	sqlBuilder.updateSyntax('$select', `
		SELECT [$calcFoundRows] [$distinct] [$all]
			{ <$columns> [$into] }
			{ FROM [$table] | [$from] }
			{ INNER | LEFT | RIGHT ... JOIN [$joins] }
			{ WHERE [$where] }
			{ GROUP BY [$groupBy]
				{ HAVING [$having] }
			}
			{ ORDER BY { [$sort] | [$orderBy] } }
			{ LIMIT [$limit] { OFFSET [$offset] } }
	`); // $limit and $offset helpers defined in the ansi module because postgreSQL and MYSQL use the same syntax
};