function SQL(initialSQL, options) {
    var t = this;
    t.options = {
        isSafe: false
    };
    if (options){
        Object.assign(t.options, options);
    }
    t._sql = (initialSQL || '') + ' '; //a space for attachability to other parts of the query
}
/**
 * Simple Chainable SQL expression constructor
 * @constructor
 */
Simple Chainable SQL expression constructor
@constructor
Simple Chainable SQL expression constructor @constructor
function SQL(initialSQL, options) {
    var t = this;
    t.options = {
        isSafe: false
    };
    if (options){
        Object.assign(t.options, options);
    }
    t._sql = (initialSQL || '') + ' '; 
}
function SQL ( initialSQL , options ) { var t = this ; t . options = { isSafe : false } ; if ( options ) { Object . assign ( t . options , options ) ; } t . _sql = ( initialSQL || '' ) + ' ' ; }
Simple Chainable SQL expression constructor
 @constructor
Simple Chainable SQL expression constructor @constructor
//a space for attachability to other parts of the query