MongoDB Group By issue getting records using group by '$group' in aggregate function on date

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I have a issue on mongo db to getting records using group by '$group' in aggregate function on date as 'created' but we have datetime format in table mongoDb database.

when I run the mongo query I am getting error "can't convert from BSON type string to Date"

$date = date('Y-m-d',strtotime(-1 month));

$users = $this->common_model->aggregate($this->database['USER_DATA'], array(array('$match' => array('created' => array('$gte' => $date))),

        array('$sort' => array('_id.created' => -1)),

        array('$group' => array('_id' => array('year' => array('$year' => '$created'), 'month' => array('$month' => '$created'), 'day' => array('$dayOfMonth' => '$created')), 'count' => array('$sum' => 1))),

        ));

before we are using

array('$group' => array('_id' => array('created' => '$created')), 'count' => array('$sum' => 1)),

Its was working but records not as required as per group by date, because in table we have datetime.

edited Nov 22 at 14:55

asked Nov 22 at 14:13

Punit kumar Tripathi

644

Could you post the sample documents
– Anthony Winzlet
Nov 22 at 15:44

add a comment |

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0
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$date = date('Y-m-d',strtotime(-1 month));

$users = $this->common_model->aggregate($this->database['USER_DATA'], array(array('$match' => array('created' => array('$gte' => $date))),

        array('$sort' => array('_id.created' => -1)),

        array('$group' => array('_id' => array('year' => array('$year' => '$created'), 'month' => array('$month' => '$created'), 'day' => array('$dayOfMonth' => '$created')), 'count' => array('$sum' => 1))),

        ));

before we are using

array('$group' => array('_id' => array('created' => '$created')), 'count' => array('$sum' => 1)),

Its was working but records not as required as per group by date, because in table we have datetime.

edited Nov 22 at 14:55

asked Nov 22 at 14:13

Punit kumar Tripathi

644

Could you post the sample documents
– Anthony Winzlet
Nov 22 at 15:44

add a comment |

up vote
0
down vote

favorite

$date = date('Y-m-d',strtotime(-1 month));

$users = $this->common_model->aggregate($this->database['USER_DATA'], array(array('$match' => array('created' => array('$gte' => $date))),

        array('$sort' => array('_id.created' => -1)),

        array('$group' => array('_id' => array('year' => array('$year' => '$created'), 'month' => array('$month' => '$created'), 'day' => array('$dayOfMonth' => '$created')), 'count' => array('$sum' => 1))),

        ));

before we are using

array('$group' => array('_id' => array('created' => '$created')), 'count' => array('$sum' => 1)),

Its was working but records not as required as per group by date, because in table we have datetime.

edited Nov 22 at 14:55

asked Nov 22 at 14:13

Punit kumar Tripathi

644

$date = date('Y-m-d',strtotime(-1 month));

$users = $this->common_model->aggregate($this->database['USER_DATA'], array(array('$match' => array('created' => array('$gte' => $date))),

        array('$sort' => array('_id.created' => -1)),

        array('$group' => array('_id' => array('year' => array('$year' => '$created'), 'month' => array('$month' => '$created'), 'day' => array('$dayOfMonth' => '$created')), 'count' => array('$sum' => 1))),

        ));

before we are using

array('$group' => array('_id' => array('created' => '$created')), 'count' => array('$sum' => 1)),

Its was working but records not as required as per group by date, because in table we have datetime.

database mongodb codeigniter

edited Nov 22 at 14:55

asked Nov 22 at 14:13

Punit kumar Tripathi

644

edited Nov 22 at 14:55

asked Nov 22 at 14:13

Punit kumar Tripathi

644

edited Nov 22 at 14:55

asked Nov 22 at 14:13

Punit kumar Tripathi

644

asked Nov 22 at 14:13

Punit kumar Tripathi

644

asked Nov 22 at 14:13

Punit kumar Tripathi

644

Could you post the sample documents
– Anthony Winzlet
Nov 22 at 15:44

add a comment |

Could you post the sample documents
– Anthony Winzlet
Nov 22 at 15:44

Could you post the sample documents
– Anthony Winzlet
Nov 22 at 15:44

add a comment |

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