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https://issues.apache.org/jira/browse/IGNITE-28725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18087082#comment-18087082
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Ignite TC Bot commented on IGNITE-28725:
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The Docs Required flag is being removed because the required documentation
updates are already included in the merged implementation PR #13182. The
reviewed change set updates docs/_docs/SQL/schemas.adoc and
docs/_docs/sql-reference/ddl.adoc to document CREATE TABLE behavior for
existing caches.
> Document CREATE TABLE behavior for existing caches
> --------------------------------------------------
>
> Key: IGNITE-28725
> URL: https://issues.apache.org/jira/browse/IGNITE-28725
> Project: Ignite
> Issue Type: Task
> Reporter: Ignite TC Bot
> Assignee: Dmitry Pavlov
> Priority: Major
> Labels: ise, sql-cache-ddl-consistency
> Fix For: 2.19
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Document CREATE TABLE behavior when CACHE_NAME points to an already existing
> cache.
> This task documents the behavior introduced by:
> * IGNITE-25712 / https://github.com/apache/ignite/pull/12452 - SQL tables
> created by DDL on existing caches are handled as SQL-created tables for
> PK/index metadata.
> * IGNITE-26755 / https://github.com/apache/ignite/pull/12453 - CREATE TABLE
> with CACHE_NAME can define a SQL table on an existing non-indexed cache, with
> schema compatibility checks.
> Documentation scope:
> * Explain that CACHE_NAME can point either to a new cache or to an existing
> cache.
> * Document that existing caches with query entities/indexed types are
> rejected as already indexed.
> * Document schema compatibility rules and the Invalid schema error.
> * Mention that DDL table creation does not change existing cache
> configuration such as affinity settings.
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