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key checks option #157

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cad150d
key checks
aomini Mar 6, 2020
5711d75
update read me spellings and grammers
aomini Mar 6, 2020
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9 changes: 9 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,15 @@ Example:
php artisan iseed users --noindex
```

### keychecks
By using --keychecks the seeds can be generated with `FOREIGN_KEY_CHECKS` disabled and enabled.
The use case for this feature is when you have an exisiting data in a table then you can run your seeds without having to truncate your tables. Without it, generating your seeds in an existing table with foreign keys might throw an error as `foreign key constraint failed`. So, by using `--keychecks` option you can directly seed without the constraint error. On default, foreign key checks are disabled.

Example:
```
php artisan iseed users --keychecks
```

## Usage

To generate a seed file for your users table simply call: `\Iseed::generateSeed('users', 'connectionName', 'numOfRows');`. `connectionName` and `numOfRows` are not required arguments.
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18 changes: 15 additions & 3 deletions src/Orangehill/Iseed/Iseed.php
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Expand Up @@ -58,10 +58,11 @@ public function readStubFile($file)
* @param int $max
* @param string $prerunEvent
* @param string $postunEvent
* @param bool $keyChecks
* @return bool
* @throws Orangehill\Iseed\TableNotFoundException
*/
public function generateSeed($table, $prefix=null, $suffix=null, $database = null, $max = 0, $chunkSize = 0, $exclude = null, $prerunEvent = null, $postrunEvent = null, $dumpAuto = true, $indexed = true, $orderBy = null, $direction = 'ASC')
public function generateSeed($table, $prefix=null, $suffix=null, $database = null, $max = 0, $chunkSize = 0, $exclude = null, $prerunEvent = null, $postrunEvent = null, $dumpAuto = true, $indexed = true, $keyChecks = false, $orderBy = null, $direction = 'ASC')
{
if (!$database) {
$database = config('database.default');
Expand Down Expand Up @@ -101,7 +102,8 @@ public function generateSeed($table, $prefix=null, $suffix=null, $database = nul
$chunkSize,
$prerunEvent,
$postrunEvent,
$indexed
$indexed,
$keyChecks
);

// Save a populated stub
Expand Down Expand Up @@ -218,9 +220,11 @@ public function getStubPath()
* @param int $chunkSize
* @param string $prerunEvent
* @param string $postunEvent
* @param bool $indexed
* @param bool $keyChecks
* @return string
*/
public function populateStub($class, $stub, $table, $data, $chunkSize = null, $prerunEvent = null, $postrunEvent = null, $indexed = true)
public function populateStub($class, $stub, $table, $data, $chunkSize = null, $prerunEvent = null, $postrunEvent = null, $indexed = true, $keyChecks = false)
{
$chunkSize = $chunkSize ?: config('iseed::config.chunk_size');

Expand Down Expand Up @@ -278,6 +282,14 @@ public function populateStub($class, $stub, $table, $data, $chunkSize = null, $p
'{{postrun_event}}', $postrunEventInsert, $stub
);

if ($keyChecks) {
$stub = str_replace('{{enable_key_checks}}', "\DB::statement(\"SET FOREIGN_KEY_CHECKS = 1\");", $stub);
$stub = str_replace('{{disable_key_checks}}', "\DB::statement(\"SET FOREIGN_KEY_CHECKS = 0\");", $stub);
}else{
$stub = str_replace('{{enable_key_checks}}', "", $stub);
$stub = str_replace('{{disable_key_checks}}', "", $stub);
}

$stub = str_replace('{{insert_statements}}', $inserts, $stub);

return $stub;
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9 changes: 6 additions & 3 deletions src/Orangehill/Iseed/IseedCommand.php
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Expand Up @@ -66,7 +66,7 @@ public function fire()
$direction = $this->option('direction');
$prefix = $this->option('classnameprefix');
$suffix = $this->option('classnamesuffix');

$keychecks = $this->option('keychecks');
if ($max < 1) {
$max = null;
}
Expand Down Expand Up @@ -106,8 +106,9 @@ public function fire()
$postrunEvent,
$dumpAuto,
$indexed,
$keychecks,
$orderBy,
$direction
$direction,
),
$table
);
Expand All @@ -128,7 +129,8 @@ public function fire()
$prerunEvent,
$postrunEvent,
$dumpAuto,
$indexed
$indexed,
$keychecks
),
$table
);
Expand Down Expand Up @@ -172,6 +174,7 @@ protected function getOptions()
array('direction', null, InputOption::VALUE_OPTIONAL, 'orderby direction', null),
array('classnameprefix', null, InputOption::VALUE_OPTIONAL, 'prefix for class and file name', null),
array('classnamesuffix', null, InputOption::VALUE_OPTIONAL, 'suffix for class and file name', null),
array('keychecks', null, InputOption::VALUE_NONE, 'enable disable foreign keys checks', null),
);
}

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3 changes: 3 additions & 0 deletions src/Orangehill/Iseed/Stubs/seed.stub
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Expand Up @@ -14,7 +14,10 @@ class {{class}} extends Seeder
{
{{prerun_event}}

{{disable_key_checks}}
\DB::table('{{table}}')->delete();
{{enable_key_checks}}

{{insert_statements}}

{{postrun_event}}
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