/**
* Augment the provided Select object with a comma-separated list of values for this
* many-to-many relationship, using the name parameter as the name of the value in
* the resultset.
*
* @param Select $select
* @param string $name
* @return Select
*/
public function augmentSelect(Select $select, $name)
{
$anchorColumn = $select->quoteWithAlias($this->sourceTable->getTableName(), $this->getSourceColumnName());
$titleColumn = $this->findReferenceTitleColumn();
$expr = new Expr("ARRAY_TO_STRING(\n ARRAY(\n SELECT {$titleColumn}\n FROM {$this->getReferenceTableName()} ref\n JOIN {$this->xrefTableName} xref\n ON xref.{$this->xrefReferenceColumnName} = ref.{$this->getReferenceColumnName()}\n WHERE xref.{$this->xrefAnchorColumnName} = {$anchorColumn}\n ORDER BY {$titleColumn}\n ),\n ', '\n )");
return $select->columns([$name => $expr]);
}
/**
* Augment the provided Select object with a comma-separated list of values for this
* many-to-many relationship, using the name parameter as the name of the value in
* the resultset.
*
* @param Select $select
* @param string $name
* @return Select
*/
public function augmentSelect(Select $select, $name)
{
$anchorColumn = $select->quoteWithAlias($this->sourceTable->getTableName(), $this->getSourceColumnName());
$titleColumn = $this->findReferenceTitleColumn();
$driver = $select->getAdapter()->getDriver();
if ($driver instanceof \Dewdrop\Db\Driver\Pdo\Pgsql) {
$expr = new Expr("ARRAY_TO_STRING(\n ARRAY(\n SELECT {$titleColumn}\n FROM {$this->getReferenceTableName()} ref\n JOIN {$this->xrefTableName} xref\n ON xref.{$this->xrefReferenceColumnName} = ref.{$this->getReferenceColumnName()}\n WHERE xref.{$this->xrefAnchorColumnName} = {$anchorColumn}\n ORDER BY {$titleColumn}\n ),\n ', '\n )");
} else {
$expr = new Expr("(SELECT\n GROUP_CONCAT({$titleColumn} SEPARATOR ', ')\n FROM {$this->getReferenceTableName()} ref\n JOIN {$this->xrefTableName} xref\n ON xref.{$this->xrefReferenceColumnName} = ref.{$this->getReferenceColumnName()}\n WHERE xref.{$this->xrefAnchorColumnName} = {$anchorColumn}\n ORDER BY {$titleColumn}\n )");
}
return $select->columns([$name => $expr]);
}
/**
* Use the OVER() window function to store a count of the total number
* of rows that would have been retrieved if no LIMIT clause was applied
* on the supplied Select object. The total row count will be added
* to the result set as a _dewdrop_count column.
*
* @param Select $select
* @return void
*/
public function prepareSelectForTotalRowCalculation(Select $select)
{
$select->columns(['_dewdrop_count' => new Expr('COUNT(*) OVER()')]);
}