class ES52(Container):
"""
SEND jx QUERIES TO ElasticSearch
"""
def __new__(cls, *args, **kwargs):
if (len(args) == 1 and args[0].get("index")
== "meta") or kwargs.get("index") == "meta":
output = ElasticsearchMetadata.__new__(ElasticsearchMetadata,
*args, **kwargs)
output.__init__(*args, **kwargs)
return output
else:
return Container.__new__(cls)
@override
def __init__(
self,
host,
index,
type=None,
alias=None,
name=None,
port=9200,
read_only=True,
timeout=None, # NUMBER OF SECONDS TO WAIT FOR RESPONSE, OR SECONDS TO WAIT FOR DOWNLOAD (PASSED TO requests)
wait_for_active_shards=1, # ES WRITE CONSISTENCY (https://www.elastic.co/guide/en/elasticsearch/reference/1.7/docs-index_.html#index-consistency)
typed=None,
kwargs=None):
Container.__init__(self)
if not container.config.default:
container.config.default = {
"type": "elasticsearch",
"settings": unwrap(kwargs)
}
self.settings = kwargs
self.name = name = coalesce(name, alias, index)
if read_only:
self.es = elasticsearch.Alias(alias=coalesce(alias, index),
kwargs=kwargs)
else:
self.es = elasticsearch.Cluster(kwargs=kwargs).get_index(
read_only=read_only, kwargs=kwargs)
self._namespace = ElasticsearchMetadata(kwargs=kwargs)
self.settings.type = self.es.settings.type
self.edges = Data()
self.worker = None
columns = self._namespace.get_snowflake(
self.es.settings.alias).columns # ABSOLUTE COLUMNS
is_typed = any(c.es_column == EXISTS_TYPE for c in columns)
if typed == None:
# SWITCH ON TYPED MODE
self.typed = is_typed
else:
if is_typed != typed:
Log.error(
"Expecting given typed {{typed}} to match {{is_typed}}",
typed=typed,
is_typed=is_typed)
self.typed = typed
@property
def snowflake(self):
return self._namespace.get_snowflake(self.es.settings.alias)
@property
def namespace(self):
return self._namespace
def get_table(self, full_name):
return Table(full_name, self)
def get_schema(self, query_path):
return self._namespace.get_schema(query_path)
def __data__(self):
settings = self.settings.copy()
settings.settings = None
return settings
def __enter__(self):
Log.error("No longer used")
return self
def __exit__(self, type, value, traceback):
if not self.worker:
return
if isinstance(value, Exception):
self.worker.stop()
self.worker.join()
else:
self.worker.join()
@property
def query_path(self):
return join_field(split_field(self.name)[1:])
@property
def url(self):
return self.es.url
def query(self, _query):
try:
query = QueryOp.wrap(_query,
container=self,
namespace=self.namespace)
for s in listwrap(query.select):
if s.aggregate != None and not aggregates.get(s.aggregate):
Log.error(
"ES can not aggregate {{name}} because {{aggregate|quote}} is not a recognized aggregate",
name=s.name,
aggregate=s.aggregate)
frum = query["from"]
if isinstance(frum, QueryOp):
result = self.query(frum)
q2 = query.copy()
q2.frum = result
return jx.run(q2)
if is_deepop(self.es, query):
return es_deepop(self.es, query)
if is_aggsop(self.es, query):
return es_aggsop(self.es, frum, query)
if is_setop(self.es, query):
return es_setop(self.es, query)
Log.error("Can not handle")
except Exception as e:
e = Except.wrap(e)
if "Data too large, data for" in e:
http.post(self.es.cluster.path + "/_cache/clear")
Log.error("Problem (Tried to clear Elasticsearch cache)", e)
Log.error("problem", e)
def addDimension(self, dim):
if isinstance(dim, list):
Log.error(
"Expecting dimension to be a object, not a list:\n{{dim}}",
dim=dim)
self._addDimension(dim, [])
def _addDimension(self, dim, path):
dim.full_name = dim.name
for e in dim.edges:
d = Dimension(e, dim, self)
self.edges[d.full_name] = d
def __getitem__(self, item):
c = self.get_columns(table_name=self.name, column_name=item)
if c:
if len(c) > 1:
Log.error("Do not know how to handle multipole matches")
return c[0]
e = self.edges[item]
if not c:
Log.warning(
"Column with name {{column|quote}} can not be found in {{table}}",
column=item,
table=self.name)
return e
def __getattr__(self, item):
return self.edges[item]
def update(self, command):
"""
EXPECTING command == {"set":term, "where":where}
THE set CLAUSE IS A DICT MAPPING NAMES TO VALUES
THE where CLAUSE IS AN ES FILTER
"""
command = wrap(command)
schema = self.es.get_properties()
# GET IDS OF DOCUMENTS
results = self.es.search({
"stored_fields":
listwrap(schema._routing.path),
"query": {
"bool": {
"filter": jx_expression(command.where).to_esfilter(Null)
}
},
"size":
10000
})
# SCRIPT IS SAME FOR ALL (CAN ONLY HANDLE ASSIGNMENT TO CONSTANT)
scripts = FlatList()
for k, v in command.set.items():
if not is_variable_name(k):
Log.error("Only support simple paths for now")
if isinstance(v, Mapping) and v.doc:
scripts.append({"doc": v.doc})
else:
v = scrub(v)
scripts.append({
"script":
"ctx._source." + k + " = " +
jx_expression(v).to_es_script(schema).script(schema)
})
if results.hits.hits:
updates = []
for h in results.hits.hits:
for s in scripts:
updates.append({
"update": {
"_id":
h._id,
"_routing":
unwraplist(h.fields[literal_field(
schema._routing.path)])
}
})
updates.append(s)
content = ("\n".join(value2json(c) for c in updates) + "\n")
response = self.es.cluster.post(
self.es.path + "/_bulk",
data=content,
headers={"Content-Type": "application/json"},
timeout=self.settings.timeout,
params={
"wait_for_active_shards":
self.settings.wait_for_active_shards
})
if response.errors:
Log.error("could not update: {{error}}",
error=[
e.error for i in response["items"]
for e in i.values() if e.status not in (200, 201)
])
class ES52(Container):
"""
SEND jx QUERIES TO ElasticSearch
"""
def __new__(cls, *args, **kwargs):
if (len(args) == 1 and args[0].get("index") == "meta") or kwargs.get("index") == "meta":
output = ElasticsearchMetadata.__new__(ElasticsearchMetadata, *args, **kwargs)
output.__init__(*args, **kwargs)
return output
else:
return Container.__new__(cls)
@override
def __init__(
self,
host,
index,
type=None,
name=None,
port=9200,
read_only=True,
timeout=None, # NUMBER OF SECONDS TO WAIT FOR RESPONSE, OR SECONDS TO WAIT FOR DOWNLOAD (PASSED TO requests)
wait_for_active_shards=1, # ES WRITE CONSISTENCY (https://www.elastic.co/guide/en/elasticsearch/reference/1.7/docs-index_.html#index-consistency)
typed=None,
kwargs=None
):
Container.__init__(self)
if not container.config.default:
container.config.default = {
"type": "elasticsearch",
"settings": unwrap(kwargs)
}
self.settings = kwargs
self.name = name = coalesce(name, index)
if read_only:
self.es = elasticsearch.Alias(alias=index, kwargs=kwargs)
else:
self.es = elasticsearch.Cluster(kwargs=kwargs).get_index(read_only=read_only, kwargs=kwargs)
self._namespace = ElasticsearchMetadata(kwargs=kwargs)
self.settings.type = self.es.settings.type
self.edges = Data()
self.worker = None
columns = self.snowflake.columns # ABSOLUTE COLUMNS
is_typed = any(c.es_column == EXISTS_TYPE for c in columns)
if typed == None:
# SWITCH ON TYPED MODE
self.typed = is_typed
else:
if is_typed != typed:
Log.error("Expecting given typed {{typed}} to match {{is_typed}}", typed=typed, is_typed=is_typed)
self.typed = typed
@property
def snowflake(self):
return self._namespace.get_snowflake(self.es.settings.alias)
@property
def namespace(self):
return self._namespace
def get_table(self, full_name):
return Table(full_name, self)
def get_schema(self, query_path):
return self._namespace.get_schema(query_path)
def __data__(self):
settings = self.settings.copy()
settings.settings = None
return settings
def __enter__(self):
Log.error("No longer used")
return self
def __exit__(self, type, value, traceback):
if not self.worker:
return
if isinstance(value, Exception):
self.worker.stop()
self.worker.join()
else:
self.worker.join()
@property
def query_path(self):
return join_field(split_field(self.name)[1:])
@property
def url(self):
return self.es.url
def query(self, _query):
try:
query = QueryOp.wrap(_query, container=self, namespace=self.namespace)
for s in listwrap(query.select):
if s.aggregate != None and not aggregates.get(s.aggregate):
Log.error(
"ES can not aggregate {{name}} because {{aggregate|quote}} is not a recognized aggregate",
name=s.name,
aggregate=s.aggregate
)
frum = query["from"]
if isinstance(frum, QueryOp):
result = self.query(frum)
q2 = query.copy()
q2.frum = result
return jx.run(q2)
if is_deepop(self.es, query):
return es_deepop(self.es, query)
if is_aggsop(self.es, query):
return es_aggsop(self.es, frum, query)
if is_setop(self.es, query):
return es_setop(self.es, query)
Log.error("Can not handle")
except Exception as e:
e = Except.wrap(e)
if "Data too large, data for" in e:
http.post(self.es.cluster.url / "_cache/clear")
Log.error("Problem (Tried to clear Elasticsearch cache)", e)
Log.error("problem", e)
def addDimension(self, dim):
if isinstance(dim, list):
Log.error("Expecting dimension to be a object, not a list:\n{{dim}}", dim= dim)
self._addDimension(dim, [])
def _addDimension(self, dim, path):
dim.full_name = dim.name
for e in dim.edges:
d = Dimension(e, dim, self)
self.edges[d.full_name] = d
def __getitem__(self, item):
c = self.get_columns(table_name=self.name, column_name=item)
if c:
if len(c) > 1:
Log.error("Do not know how to handle multipole matches")
return c[0]
e = self.edges[item]
if not c:
Log.warning("Column with name {{column|quote}} can not be found in {{table}}", column=item, table=self.name)
return e
def __getattr__(self, item):
return self.edges[item]
def update(self, command):
"""
EXPECTING command == {"set":term, "where":where}
THE set CLAUSE IS A DICT MAPPING NAMES TO VALUES
THE where CLAUSE IS AN ES FILTER
"""
command = wrap(command)
table = self.get_table(command['update'])
es_index = self.es.cluster.get_index(read_only=False, alias=None, kwargs=self.es.settings)
schema = table.schema
es_filter = jx_expression(command.where).to_esfilter(schema)
# GET IDS OF DOCUMENTS
query = {
"from": command['update'],
"select": ["_id"] + [
{"name": k, "value": v}
for k, v in command.set.items()
],
"where": command.where,
"format": "list",
"limit": 10000
}
results = self.query(query)
if results.data:
content = "".join(
t
for r in results.data
for _id, row in [(r._id, r)]
for _ in [row.__setitem__('_id', None)] # WARNING! DESTRUCTIVE TO row
for update in map(value2json, ({"update": {"_id": _id}}, {"doc": row}))
for t in (update, "\n")
)
response = self.es.cluster.post(
es_index.path + "/" + "_bulk",
data=content,
headers={"Content-Type": "application/json"},
timeout=self.settings.timeout,
params={"wait_for_active_shards": self.settings.wait_for_active_shards}
)
if response.errors:
Log.error("could not update: {{error}}", error=[e.error for i in response["items"] for e in i.values() if e.status not in (200, 201)])
# DELETE BY QUERY, IF NEEDED
if '.' in listwrap(command.clear):
self.es.delete_record(es_filter)
return
es_index.flush()
class ES52(Container):
"""
SEND jx QUERIES TO ElasticSearch
"""
def __new__(cls, *args, **kwargs):
if (len(args) == 1 and args[0].get("index")
== "meta") or kwargs.get("index") == "meta":
output = ElasticsearchMetadata.__new__(ElasticsearchMetadata,
*args, **kwargs)
output.__init__(*args, **kwargs)
return output
else:
return Container.__new__(cls)
@override
def __init__(
self,
host,
index, # THE NAME OF THE SNOWFLAKE (IF WRITING)
alias=None, # THE NAME OF THE SNOWFLAKE (FOR READING)
type=None,
name=None, # THE FULL NAME OF THE TABLE (THE NESTED PATH INTO THE SNOWFLAKE)
port=9200,
read_only=True,
timeout=None, # NUMBER OF SECONDS TO WAIT FOR RESPONSE, OR SECONDS TO WAIT FOR DOWNLOAD (PASSED TO requests)
wait_for_active_shards=1, # ES WRITE CONSISTENCY (https://www.elastic.co/guide/en/elasticsearch/reference/1.7/docs-index_.html#index-consistency)
typed=None,
kwargs=None):
Container.__init__(self)
if not container.config.default:
container.config.default = {
"type": "elasticsearch",
"settings": unwrap(kwargs)
}
self.edges = Data() # SET EARLY, SO OTHER PROCESSES CAN REQUEST IT
self.worker = None
self.settings = kwargs
self._namespace = ElasticsearchMetadata(kwargs=kwargs)
self.name = name = self._namespace._find_alias(
coalesce(alias, index, name))
if read_only:
self.es = elasticsearch.Alias(alias=name,
index=None,
kwargs=kwargs)
else:
self.es = elasticsearch.Cluster(kwargs=kwargs).get_index(
read_only=read_only, kwargs=kwargs)
self._ensure_max_result_window_set(name)
self.settings.type = self.es.settings.type
self.stats = QueryStats(self.es.cluster)
columns = self.snowflake.columns # ABSOLUTE COLUMNS
is_typed = any(c.es_column == EXISTS_TYPE for c in columns)
if typed == None:
# SWITCH ON TYPED MODE
self.typed = is_typed
else:
if is_typed != typed:
Log.error(
"Expecting given typed {{typed}} to match {{is_typed}}",
typed=typed,
is_typed=is_typed)
self.typed = typed
if not typed:
# ADD EXISTENCE COLUMNS
all_paths = {'.': None} # MAP FROM path TO parent TO MAKE A TREE
def nested_path_of(v):
if v == '.':
return ('.', )
return (v, ) + nested_path_of(all_paths[v])
query_paths = sort_using_key(set(
step for path in self.snowflake.query_paths for step in path),
key=lambda p: len(split_field(p)))
for step in query_paths:
if step in all_paths:
continue
else:
best = '.'
for candidate in all_paths.keys():
if startswith_field(step, candidate):
if startswith_field(candidate, best):
best = candidate
all_paths[step] = best
for p in all_paths.keys():
if p == ".":
nested_path = ('.', )
else:
nested_path = nested_path_of(p)[1:]
jx_type = (OBJECT if p == "." else NESTED)
self.namespace.meta.columns.add(
Column(name=p,
es_column=p,
es_index=self.name,
es_type=jx_type,
jx_type=jx_type,
cardinality=1,
nested_path=nested_path,
multi=1001 if jx_type is NESTED else 1,
last_updated=Date.now()))
@property
def snowflake(self):
return self._namespace.get_snowflake(self.es.settings.alias)
@property
def namespace(self):
return self._namespace
def get_table(self, full_name):
return Table(full_name, self)
def get_schema(self, query_path):
return self._namespace.get_schema(query_path)
def __data__(self):
settings = self.settings.copy()
settings.settings = None
return settings
@property
def url(self):
return self.es.url
def _ensure_max_result_window_set(self, name):
# TODO : CHECK IF THIS IS ALREADY SET, IT TAKES TOO LONG
for i, s in self.es.cluster.get_metadata().indices.items():
if name == i or name in s.aliases:
if s.settings.index.max_result_window != '100000' or s.settings.index.max_inner_result_window != '100000':
Log.note("setting max_result_window")
self.es.cluster.put("/" + name + "/_settings",
data={
"index": {
"max_inner_result_window":
100000,
"max_result_window": 100000
}
})
break
def query(self, _query):
try:
query = QueryOp.wrap(_query,
container=self,
namespace=self.namespace)
self.stats.record(query)
for s in listwrap(query.select):
if s.aggregate != None and not aggregates.get(s.aggregate):
Log.error(
"ES can not aggregate {{name}} because {{aggregate|quote}} is not a recognized aggregate",
name=s.name,
aggregate=s.aggregate)
frum = query["from"]
if is_op(frum, QueryOp):
result = self.query(frum)
q2 = query.copy()
q2.frum = result
return jx.run(q2)
if is_bulk_agg(self.es, query):
return es_bulkaggsop(self, frum, query)
if is_bulk_set(self.es, query):
return es_bulksetop(self, frum, query)
query.limit = temper_limit(query.limit, query)
if is_deepop(self.es, query):
return es_deepop(self.es, query)
if is_aggsop(self.es, query):
return es_aggsop(self.es, frum, query)
if is_setop(self.es, query):
return es_setop(self.es, query)
Log.error("Can not handle")
except Exception as e:
e = Except.wrap(e)
if "Data too large, data for" in e:
http.post(self.es.cluster.url / "_cache/clear")
Log.error("Problem (Tried to clear Elasticsearch cache)", e)
Log.error("problem", e)
def update(self, command):
"""
EXPECTING command == {"set":term, "where":where}
THE set CLAUSE IS A DICT MAPPING NAMES TO VALUES
THE where CLAUSE IS AN ES FILTER
"""
command = to_data(command)
table = self.get_table(command['update'])
es_index = self.es.cluster.get_index(read_only=False,
alias=None,
kwargs=self.es.settings)
schema = table.schema
# GET IDS OF DOCUMENTS
query = {
"from":
command['update'],
"select": [{
"value": "_id"
}] + [{
"name": k,
"value": v
} for k, v in command.set.items()],
"where":
command.where,
"format":
"list",
"limit":
10000
}
results = self.query(query)
if results.data:
content = "".join(t for r in results.data
for _id, row in [(r._id, r)]
for _ in [row.__setitem__('_id', None)
] # WARNING! DESTRUCTIVE TO row
for update in map(value2json, ({
"update": {
"_id": _id
}
}, {
"doc": row
})) for t in (update, "\n"))
response = self.es.cluster.post(
es_index.path + "/" + "_bulk",
data=content,
timeout=self.settings.timeout,
params={
"wait_for_active_shards":
self.settings.wait_for_active_shards
})
if response.errors:
Log.error("could not update: {{error}}",
error=[
e.error for i in response["items"]
for e in i.values() if e.status not in (200, 201)
])
# DELETE BY QUERY, IF NEEDED
if "." in listwrap(command['clear']):
es_filter = ES52Lang[jx_expression(
command.where)].partial_eval().to_es(schema)
self.es.delete_record(es_filter)
return
es_index.refresh()