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From "Igor Sapego (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-9950) thin python: Decimal data type didn't match with others clients
Date Mon, 22 Oct 2018 15:21:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-9950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16659080#comment-16659080
] 

Igor Sapego commented on IGNITE-9950:
-------------------------------------

Tests pass: https://ci.ignite.apache.org/project.html?projectId=IgniteTests24Java8&branch_IgniteTests24Java8=pull%2F5041%2Fhead,
so I'm going to merge the PR to the master.

> thin python: Decimal data type didn't match with others clients
> ---------------------------------------------------------------
>
>                 Key: IGNITE-9950
>                 URL: https://issues.apache.org/jira/browse/IGNITE-9950
>             Project: Ignite
>          Issue Type: Bug
>          Components: thin client
>    Affects Versions: 2.7
>         Environment: Ignite 2.7 latest sources
> default cache configuration
> Python 3.7
> nodejs 10+
> PHP 7.2+
> Ubuntu 17
>            Reporter: Stepan Pilschikov
>            Assignee: Dmitry Melnichuk
>            Priority: Major
>             Fix For: 2.7
>
>
> Trying to put Decimal value from JS or PHP client and get with Python, but exception
throwing
> JS code:
> {code}
> IgniteClient = require('apache-ignite-client');
> IgniteClientConfiguration = IgniteClient.IgniteClientConfiguration;
> const Decimal = IgniteClient.Decimal;
> const ObjectType = IgniteClient.ObjectType;
> ENDPOINT = '127.0.0.1:10800';
> igniteClient = new IgniteClient();
> async function start() {
>     await igniteClient.connect(new IgniteClientConfiguration(ENDPOINT));
>     try {
>         cache = (await igniteClient.getOrCreateCache("JS_DECIMAL"))
>                     .setKeyType(ObjectType.PRIMITIVE_TYPE.INTEGER)
>                     .setValueType(ObjectType.PRIMITIVE_TYPE.DECIMAL);
>         await cache.put(1, new Decimal('7.7'));
>     } finally {
>         igniteClient.disconnect();
>     }
> }
> start();
> {code}
> Python get code
> {code}
> from pyignite import Client
> from pyignite.datatypes import *
> client = Client()
> client.connect('127.0.0.1', 10800)
> cache = client.get_or_create_cache("JS_DECIMAL")
> print(str(cache.get(1, key_hint=IntObject)))
> {code}
> exception in python
> {code}
> Traceback (most recent call last):
>   File get_value_JS_DECIMAL.py", line 7, in <module>
>     print(str(cache.get(1, key_hint=IntObject)))
>   File "[ignite_src]/platforms/python/pyignite/utils.py", line 163, in ste_wrapper
>     result = fn(*args, **kwargs)
>   File "[ignite_src]/platforms/python/pyignite/cache.py", line 200, in get
>     result = cache_get(self._client, self._cache_id, key, key_hint=key_hint)
>   File "[ignite_src]/platforms/python/pyignite/api/key_value.py", line 107, in cache_get
>     ('value', AnyDataObject),
>   File "[ignite_src]/platforms/python/pyignite/queries/__init__.py", line 291, in perform
>     result.value = response_struct.to_python(response)
>   File "[ignite_src]/platforms/python/pyignite/queries/__init__.py", line 96, in to_python
>     *args, **kwargs
>   File "[ignite_src]/platforms/python/pyignite/datatypes/internal.py", line 288, in to_python
>     return data_class.to_python(ctype_object)
>   File "[ignite_src]/platforms/python/pyignite/datatypes/standard.py", line 183, in to_python
>     result = decimal.Decimal(data.decode(PROTOCOL_STRING_ENCODING))
> decimal.InvalidOperation: [<class 'decimal.ConversionSyntax'>]
> {code}
> When trying with PHP have same exception
> Also when use Decimal from Python others clients return different value:
> Python decimal put code
> {code} 
> from pyignite import Client
> from pyignite.datatypes import *
> from decimal import Decimal
> client = Client()
> client.connect('127.0.0.1', 10800)
> cache = client.get_or_create_cache("PY_DECIMAL")
> cache.put(1, Decimal('7.7'), key_hint=IntObject, value_hint=DecimalObject)
> {code}
> JS get
> {code}
> IgniteClient = require('apache-ignite-client');
> IgniteClientConfiguration = IgniteClient.IgniteClientConfiguration;
> const ObjectType = IgniteClient.ObjectType;
> ENDPOINT = '127.0.0.1:10800';
> igniteClient = new IgniteClient();
> async function start() {
>     await igniteClient.connect(new IgniteClientConfiguration(ENDPOINT));
>     try {
>         cache = (await igniteClient.getOrCreateCache("PY_DECIMAL"))
>                     .setKeyType(ObjectType.PRIMITIVE_TYPE.INTEGER);
>         console.log(await cache.get(1));
>     } finally {
>         igniteClient.disconnect();
>     }
> }
> start();
> {code}
> JS return '141350' value
> PHP have same behavior as JS



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