censql/bin/baseCommands/tfc.js

A NodeJS command line client for SAP HANA

var TracefileContentCommandHandler = function(){
	this.description = "";
}

TracefileContentCommandHandler.prototype.run = function(command, cParts, conn, screen, callback){

	if(cParts.length < 3){
		callback([1, "Invalid syntax! Try: '\\h' for help.", "message"])
        return;
	}

	conn.exec("conn", 
		"SELECT CONTENT FROM M_TRACEFILE_CONTENTS WHERE HOST = '" + cParts[1] + "' AND FILE_NAME = '" + cParts[2] + "' AND OFFSET > -" + (parseInt(cParts[3] && !isNaN(cParts[3]) ? cParts[3] : 10) * 1000) + "  ORDER BY OFFSET DESC",
	function(err, data) {
	    if(err){
	    	callback([1, err, "json"]);
	    	return;
	    }

	    var output = "";

	    // data.reverse();

	    for (var i = data.length - 1; i >= 0; i--) {
	    	output += data[i]['CONTENT'];
	    }

	    callback([0, output.substring(output.indexOf("\n") + 1), "message"])
	})
}

module.exports = TracefileContentCommandHandler;