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Search Operators

o5faruk edited this page May 2, 2021 · 7 revisions

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This sdk documentation is deprecated and will not be updated. Check out our new docs at https://sdk.buildfire.com/docs/search-operators/

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Query Selectors

  • $eq Matches values that are equal to a specified value.
  • $gt Matches values that are greater than a specified value.
  • $gte Matches values that are greater than or equal to a specified value.
  • $lt Matches values that are less than a specified value.
  • $lte Matches values that are less than or equal to a specified value.
  • $ne Matches all values that are not equal to a specified value.
  • $in Matches any of the values specified in an array.
  • $nin Matches none of the values specified in an array.

Logical

  • $or Joins query clauses with a logical OR returns all documents that match the conditions of either clause.
  • $and Joins query clauses with a logical AND returns all documents that match the conditions of both clauses.
  • $not Inverts the effect of a query expression and returns documents that do not match the query expression.
  • $nor Joins query clauses with a logical NOR returns all documents that fail to match both clauses.

Element

  • $exists Matches documents that have the specified field.
  • $type Selects documents if a field is of the specified type.

Evaluation

  • $mod Performs a modulo operation on the value of a field and selects documents with a specified result.
  • $regex Selects documents where values match a specified regular expression.

#Array

  • $all Matches arrays that contain all elements specified in the query.
  • $elemMatch Selects documents if element in the array field matches all the specified $elemMatch conditions.
  • $size Selects documents if the array field is a specified size.

Example

{
    "qty": {"$gt": 0} // for quantities greater than zero
    ,"discontinued": 0 // and not discontinued
    , "$or" : [
              {"description": {"$regex":"/new /"}} // that has the word "new" in it
              ,{"description": {"$regex":"/hot /"}} // that has the word "hot" in it
    ]
}

for matching operators with MongoDB you can read more here

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