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https://issues.apache.org/jira/browse/IGNITE-15785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrey Mashenkov updated IGNITE-15785:
--------------------------------------
Description:
Let's verify POJO class is compatible with the current schema.
* Mapper must bind all the key columns with the object fields, because missed
key-column may lead to error/data loss.
* Key and value columns must have different names, because otherwise these
columns can't be mapped to a Record class.
NB: Mapper result may not match the full schema for truncated objects.
{code:java}
class BillingDetails {
String owner;
}
class CreditCard extends BillingDetails {
long cardNumber;
int expYear;
int expMonth;
}
KeyValueView<Long, CreditCard> credCardKvView = table.keyValueView(Long.class,
CreditCard.class);
// Truncated view.
KeyValueView<Long, BillingDetails> billingDetailsKVView =
table.keyValueView(Long.class, BillingDetails.class);
{code}
was:
Let's verify POJO class is compatible with the current schema.
NB: Mapper result may not match the full schema for truncated objects.
{code:java}
class BillingDetails {
String owner;
}
class CreditCard extends BillingDetails {
long cardNumber;
int expYear;
int expMonth;
}
KeyValueView<Long, CreditCard> credCardKvView = table.keyValueView(Long.class,
CreditCard.class);
// Truncated view.
KeyValueView<Long, BillingDetails> billingDetailsKVView =
table.keyValueView(Long.class, BillingDetails.class);
{code}
> POJO validation against the schema.
> -----------------------------------
>
> Key: IGNITE-15785
> URL: https://issues.apache.org/jira/browse/IGNITE-15785
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Andrey Mashenkov
> Assignee: Alexander Belyak
> Priority: Major
> Labels: ignite-3
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> Let's verify POJO class is compatible with the current schema.
> * Mapper must bind all the key columns with the object fields, because missed
> key-column may lead to error/data loss.
> * Key and value columns must have different names, because otherwise these
> columns can't be mapped to a Record class.
> NB: Mapper result may not match the full schema for truncated objects.
> {code:java}
> class BillingDetails {
> String owner;
> }
> class CreditCard extends BillingDetails {
> long cardNumber;
> int expYear;
> int expMonth;
> }
> KeyValueView<Long, CreditCard> credCardKvView =
> table.keyValueView(Long.class, CreditCard.class);
>
> // Truncated view.
> KeyValueView<Long, BillingDetails> billingDetailsKVView =
> table.keyValueView(Long.class, BillingDetails.class);
> {code}
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