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Support temporary table #24169

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85 of 89 tasks
tiancaiamao opened this issue Apr 20, 2021 · 2 comments
Closed
85 of 89 tasks

Support temporary table #24169

tiancaiamao opened this issue Apr 20, 2021 · 2 comments
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challenge-program sig/sql-infra SIG: SQL Infra type/enhancement The issue or PR belongs to an enhancement.

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@tiancaiamao
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tiancaiamao commented Apr 20, 2021

Development Task

A temporary table is a special table whose rows data are only temporarily available.

For a global temporary table, the table schema is visible to all the sessions, but the changes into the table are only available within the current transaction, when the transaction commits, all changes to the global temporary table are discarded.

For a local temporary table, it is visible only within the current session, and the table is dropped automatically when the session is closed.

Tech Design

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Proposal

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Stage 1

DDL @Howie59

DML @tiancaiamao

DQL

Transaction

Feature compatibility

Tools compatibility @djshow832

Stage 2

DDL

DML

Transaction

Feature compatibility, most should have a same behavior with temporary table

Tests

GA

Stage 3

@tisonkun
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@djshow832 we can possibly use format

instead of

and thus we get more info while keep link click magic.

@djshow832 djshow832 mentioned this issue Jun 7, 2021
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@tisonkun
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tisonkun commented Mar 1, 2024

@tiancaiamao @djshow832 @xhebox is this task finished?

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Labels
challenge-program sig/sql-infra SIG: SQL Infra type/enhancement The issue or PR belongs to an enhancement.
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