| // Copyright 2015 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| // This demo program exercises the syncbase query language. |
| // The program's in-memory database implements the following |
| // interfaces in query_db: |
| // Database |
| // Table |
| // KeyValueStream |
| // |
| // The user can enter the following at the command line: |
| // 1. dump - to get a dump of the database |
| // 2. a syncbase select statement - which is executed and results printed to stdout |
| // 3. exit (or empty line) - to exit the program |
| // |
| // To build example: |
| // v23 go install v.io/syncbase/v23/syncbase/nosql/internal/query/demo |
| // |
| // To run example: |
| // $V23_ROOT/roadmap/go/bin/demo |
| // |
| // Sample run: |
| // > $V23_ROOT/roadmap/go/bin/demo |
| // Enter query (or 'dump' or 'exit')? select v.Name, v.Address.State from Customer where t = "Customer" |
| // John Smith,CA |
| // Bat Masterson,IA |
| // Enter query (or 'dump' or 'exit')? select v.CustID, v.InvoiceNum, v.ShipTo.Zip, v.Amount from Customer where t = "Invoice" and v.Amount > 100 |
| // 2,1001,50055,166 |
| // 2,1002,50055,243 |
| // 2,1004,50055,787 |
| // Enter query (or 'dump' or 'exit')? select k, v fro Customer |
| // select k, v fro Customer |
| // ^ |
| // Error: [Off:12] Expected 'from', found 'fro' |
| // Enter query (or 'dump' or 'exit')? select k, v from Customer |
| // 001,{John Smith 1 true 65 {1 Main St. Palo Alto CA 94303} |
| // 001001,{1 1000 42 {1 Main St. Palo Alto CA 94303}} |
| // 001002,{1 1003 7 {2 Main St. Palo Alto CA 94303}} |
| // 001003,{1 1005 88 {3 Main St. Palo Alto CA 94303}} |
| // 002,{Bat Masterson 2 true 66 {777 Any St. Collins IA 50055} |
| // 002001,{2 1001 166 {777 Any St. collins IA 50055}} |
| // 002002,{2 1002 243 {888 Any St. collins IA 50055}} |
| // 002003,{2 1004 787 {999 Any St. collins IA 50055}} |
| // 002004,{2 1006 88 {101010 Any St. collins IA 50055}} |
| // exit |
| // > |
| package main |
