def exists(self, field: str, must: bool = True) -> None:
"""
Add exists query
https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-exists-query.html
"""
if must:
if self._query.empty():
self._query = NotNull(field)
else:
self._query = self._query & NotNull(field)
else:
if self._query.empty():
self._query = IsNull(field)
else:
self._query = self._query & IsNull(field)
def test_leaf_boolean_filter(self):
assert GreaterEqual("a", 2).build() == {"range": {"a": {"gte": 2}}}
assert LessEqual("a", 2).build() == {"range": {"a": {"lte": 2}}}
assert Less("a", 2).build() == {"range": {"a": {"lt": 2}}}
assert Equal("a", 2).build() == {"term": {"a": 2}}
exp = Equal("a", 2)
assert (~exp).build()["bool"], {"must_not": {"term": {"a": 2}}}
assert Greater("a", 2).build() == {"range": {"a": {"gt": 2}}}
assert IsIn("a", [1, 2, 3]).build() == {"terms": {"a": [1, 2, 3]}}
assert Like("a", "a*b").build() == {"wildcard": {"a": "a*b"}}
assert Rlike("a", "a*b").build() == {"regexp": {"a": "a*b"}}
assert Startswith("a", "jj").build() == {"prefix": {"a": "jj"}}
assert IsNull("a").build() == {"missing": {"field": "a"}}
assert NotNull("a").build() == {"exists": {"field": "a"}}
assert ScriptFilter(
'doc["num1"].value > params.param1', lang="painless", params={"param1": 5}
).build() == {
"script": {
"script": {
"lang": "painless",
"source": 'doc["num1"].value > params.param1',
"params": {"param1": 5},
}
}
}
assert IsIn("ids", [1, 2, 3]).build() == {"ids": {"values": [1, 2, 3]}}
def isna(self) -> BooleanFilter:
"""
Detect missing values.
Returns
-------
eland.Series
Mask of bool values for each element in Series that indicates whether an element is not an NA value.
See Also
--------
:pandas_api_docs:`pandas.Series.isna`
"""
return IsNull(field=self.name)
