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Parse GROUP BY and HAVING clauses

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This commit is contained in:
Kijin Sung 2020-06-26 21:03:53 +09:00
parent db13d110b8
commit bc287b0e0f
1 changed files with 24 additions and 0 deletions
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24
common/framework/parsers/dbquery/query.php
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@ -151,6 +151,30 @@ class Query extends VariableBase
}
// Compose the GROUP BY clause.
if ($this->groupby && count($this->groupby->columns))
{
$columns = array();
foreach ($this->groupby->columns as $column_name)
{
if (preg_match('/^[a-z0-9_]+(?:\.[a-z0-9_]+)*$/', $column_name))
{
$columns[] = self::quoteName($column_name);
}
else
{
$columns[] = $column_name;
}
}
$result .= ' GROUP BY ' . implode(', ', $columns);
}
if ($this->groupby && count($this->groupby->having))
{
$having = $this->_arrangeConditions($this->groupby->having);
if ($having !== '')
{
$result .= ' HAVING ' . $having;
}
}
// Compose the LIMIT clause.