wrong way :
for(....){
getMoveDataCallback : function( database,tableName , columns , whereStr,callback){
logger.trace('enter get Move data');
var db = mysql.createPool(dbConfig);
var sql = knex.withSchema(database).select(columns)
.from(tableName).whereRaw(whereStr).toString();
logger.trace(sql);
db.query(sql, function (err, results) {
if (err) {
logger.error(err);
callback(err);
} else {
callback(null,results);
}
});
}
}
fix:
var db = mysql.createPool(dbConfig);
for(...){
getMoveDataCallback : function(db, database,tableName , columns , whereStr,callback){
logger.trace('enter get Move data');
var sql = knex.withSchema(database).select(columns)
.from(tableName).whereRaw(whereStr).toString();
logger.trace(sql);
db.query(sql, function (err, results) {
if (err) {
logger.error(err);
callback(err);
} else {
callback(null,results);
}
});
},
}