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add column unique numbering scheme, more efficient selects

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MightyPork
2018-08-04 19:57:59 +02:00
parent 69bda25bbb
commit fabc3ad24e
23 changed files with 452 additions and 173 deletions
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app/Models/Row.php
+37 -10
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@@ -6,7 +6,7 @@ namespace App\Models;
* Row in a data table
*
* @property int $id
* @property string $data - JSONB, always containing _grid
* @property string $data - JSONB, always containing _id
*/
class Row extends BaseModel
{
@@ -17,12 +17,12 @@ class Row extends BaseModel
protected $guarded = [];
public $timestamps = false;
public function getGridAttribute() {
return $this->data->_grid;
public function getRowIdAttribute() {
return $this->data->_id;
}
public function setGridAttribute($value) {
$this->data->_grid = $value;
public function setRowIdAttribute($value) {
$this->data->_id = $value;
}
/**
@@ -34,21 +34,48 @@ class Row extends BaseModel
*
* @return int
*/
public static function allocateGRID()
public static function allocateRowID()
{
return \DB::selectOne("SELECT nextval('global_row_id_seq') AS grid;")->grid;
return \DB::selectOne("SELECT nextval('global_row_id_seq') AS rid;")->rid;
}
/**
* Allocate a block of Global Row IDs, application-unique.
*
* @see Row::allocateGRID()
* @see Row::allocateRowID()
*
* @return int[] first and last
*/
public static function allocateGRIDs($count)
public static function allocateRowIDs($count)
{
$last = \DB::selectOne("SELECT multi_nextval('global_row_id_seq', ?) AS last_grid;", [$count])->last_grid;
$last = \DB::selectOne("SELECT multi_nextval('global_row_id_seq', ?) AS last_id;", [$count])->last_id;
return [$last - $count + 1, $last];
}
/**
* Allocate a single Global Column ID, application-unique.
*
* GCIDs are used to uniquely identify existing or proposed new columns,
* and are preserved after column modifications, to ensure change proposals have
* a clear target. This is the column equivalent of GRID.
*
* @return int
*/
public static function allocateColID()
{
return \DB::selectOne("SELECT nextval('global_column_id_seq') AS cid;")->cid;
}
/**
* Allocate a block of Global Column IDs, application-unique.
*
* @see Row::allocateColID()
*
* @return int[] first and last
*/
public static function allocateColIDs($count)
{
$last = \DB::selectOne("SELECT multi_nextval('global_column_id_seq', ?) AS last_id;", [$count])->last_id;
return [$last - $count + 1, $last];
}
}