Add support for limit in update and delete queries for MySQL driver#140
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dg merged 1 commit intonette:masterfrom Aug 18, 2016
Merged
Add support for limit in update and delete queries for MySQL driver#140dg merged 1 commit intonette:masterfrom
dg merged 1 commit intonette:masterfrom
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ping @dg |
src/Database/Table/SqlBuilder.php
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| $query = "UPDATE {$this->delimitedTable} SET ?set" . $this->tryDelimite($this->buildConditions()); | ||
| if ($this->limit !== NULL || $this->offset) { | ||
| throw new Nette\NotSupportedException('LIMIT clause is not supported in UPDATE query.'); | ||
| if($this->driver->isSupported(ISupplementalDriver::SUPPORT_UPDATE_LIMIT)) { |
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Missing space after 'if' added and squashed into single commit. |
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Thanks! |
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Now I think about it: what about apply limit & offset always, without checking of SUPPORT_UPDATE_LIMIT? If it will not be supported by database, it throws exception, right? |
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I've searched for LIMIT clause support in databases supported by Nette\Database and only Sqlite has compile switch to enable/disable limit in update/delete. So remove check and leave it on database driver to throw exception seems as better solution. I'll update commit. |
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Hi,
I've prepared this pull request as solution for issue #120. It add support for limit in update and delete queries in MySQL as desribed in documentation http://dev.mysql.com/doc/refman/5.7/en/update.html + http://dev.mysql.com/doc/refman/5.7/en/delete.html.
It add new constants to ISupplementalDriver SUPPORT_UPDATE_LIMIT and SUPPORT_DELETE_LIMIT so each driver can define support. If it's not supported, then is throw same exception as before.