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yaql's Issues

YAQL parsing issue with special characters

YAQL wrongly identifies "-" in variable name as arithmetic operator minus.

jayaprakash@cloudenablers:~/jp/openstack/src/mistral-templates/openstack$ yaql
Yet Another Query Language - command-line query tool
Version 0.2.3
Copyright (c) 2013 Mirantis, Inc

No data loaded into context
Type '@load data-file.json' to load data

yaql> @load test.json
Data from file 'test.json' loaded into context
yaql> $
{
"name": "test_yaql",
"key-name": "openstack"
}
yaql> $.key-name
Execution exception:
unsupported operand type(s) for -: 'NoneType' and 'str'
yaql>

Is there a way to escape special characters in YAQL ?

Issue with 0.3?

Hi I found the behavior in 0.3 is a little different from README.

It seems $.customers.orders.order_id can not be parsed, but README says it equals to $.customers[*].orders[*].order_id in jsonpath.

$ run.py -d a.json -t
Yet Another Query Language - command-line query tool
Version 0.3.0
Copyright (c) 2013 Mirantis, Inc
$.customers.orders
Tokens: [LexToken(DOLLAR,'$',1,0), LexToken(LVL8_LEFT,'.',1,1), LexToken(STRING,'customers',1,2), LexToken(LVL8_LEFT,'.',1,11), LexToken(STRING,'orders',1,12)]
[
    [
        {
            "order_id": 1, 
            "item": "Guitar", 
            "quantity": 1
        }
    ], 
    [
        {
            "order_id": 2, 
            "item": "Banjo", 
            "quantity": 2
        }, 
        {
            "order_id": 3, 
            "item": "Piano", 
            "quantity": 1
        }
    ]
]
$.customers.orders.order_id
Tokens: [LexToken(DOLLAR,'$',1,0), LexToken(LVL8_LEFT,'.',1,1), LexToken(STRING,'customers',1,2), LexToken(LVL8_LEFT,'.',1,11), LexToken(STRING,'orders',1,12), LexToken(LVL8_LEFT,'.',1,18), LexToken(STRING,'order_id',1,19)]
Execution exception:
'list' object has no attribute 'order_id'

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