def es_deepop(es, query):
schema = query.frum.schema
query_path = schema.query_path[0]
# TODO: FIX THE GREAT SADNESS CAUSED BY EXECUTING post_expressions
# THE EXPRESSIONS SHOULD BE PUSHED TO THE CONTAINER: ES ALLOWS
# {"inner_hit":{"script_fields":[{"script":""}...]}}, BUT THEN YOU
# LOOSE "_source" BUT GAIN "fields", FORCING ALL FIELDS TO BE EXPLICIT
post_expressions = {}
es_query, es_filters = es_query_template(query_path)
# SPLIT WHERE CLAUSE BY DEPTH
wheres = split_expression_by_depth(query.where, schema)
for i, f in enumerate(es_filters):
script = AndOp("and", wheres[i]).partial_eval().to_esfilter(schema)
set_default(f, script)
if not wheres[1]:
# WITHOUT NESTED CONDITIONS, WE MUST ALSO RETURN DOCS WITH NO NESTED RECORDS
more_filter = {
"and": [
es_filters[0],
{"missing": {"field": untype_path(query_path) + "." + EXISTS_TYPE}}
]
}
else:
more_filter = None
es_query.size = coalesce(query.limit, DEFAULT_LIMIT)
# es_query.sort = jx_sort_to_es_sort(query.sort)
map_to_es_columns = schema.map_to_es()
# {c.names["."]: c.es_column for c in schema.leaves(".")}
query_for_es = query.map(map_to_es_columns)
es_query.sort = jx_sort_to_es_sort(query_for_es.sort, schema)
es_query.fields = []
is_list = isinstance(query.select, list)
new_select = FlatList()
i = 0
for s in listwrap(query.select):
if isinstance(s.value, LeavesOp) and isinstance(s.value.term, Variable):
# IF THERE IS A *, THEN INSERT THE EXTRA COLUMNS
leaves = schema.leaves(s.value.term.var)
col_names = set()
for c in leaves:
if c.nested_path[0] == ".":
if c.jx_type == NESTED:
continue
es_query.fields += [c.es_column]
c_name = untype_path(c.names[query_path])
col_names.add(c_name)
new_select.append({
"name": concat_field(s.name, c_name),
"nested_path": c.nested_path[0],
"put": {"name": concat_field(s.name, literal_field(c_name)), "index": i, "child": "."},
"pull": get_pull_function(c)
})
i += 1
# REMOVE DOTS IN PREFIX IF NAME NOT AMBIGUOUS
for n in new_select:
if n.name.startswith("..") and n.name.lstrip(".") not in col_names:
n.put.name = n.name = n.name.lstrip(".")
col_names.add(n.name)
elif isinstance(s.value, Variable):
net_columns = schema.leaves(s.value.var)
if not net_columns:
new_select.append({
"name": s.name,
"nested_path": ".",
"put": {"name": s.name, "index": i, "child": "."},
"pull": NULL
})
else:
for n in net_columns:
pull = get_pull_function(n)
if n.nested_path[0] == ".":
if n.jx_type == NESTED:
continue
es_query.fields += [n.es_column]
# WE MUST FIGURE OUT WHICH NAMESSPACE s.value.var IS USING SO WE CAN EXTRACT THE child
for np in n.nested_path:
c_name = untype_path(n.names[np])
if startswith_field(c_name, s.value.var):
child = relative_field(c_name, s.value.var)
break
else:
child = relative_field(untype_path(n.names[n.nested_path[0]]), s.value.var)
new_select.append({
"name": s.name,
"pull": pull,
"nested_path": n.nested_path[0],
"put": {
"name": s.name,
"index": i,
"child": child
}
})
i += 1
else:
expr = s.value
for v in expr.vars():
for c in schema[v.var]:
if c.nested_path[0] == ".":
es_query.fields += [c.es_column]
# else:
# Log.error("deep field not expected")
pull_name = EXPRESSION_PREFIX + s.name
map_to_local = MapToLocal(schema)
pull = jx_expression_to_function(pull_name)
post_expressions[pull_name] = compile_expression(expr.map(map_to_local).to_python())
new_select.append({
"name": s.name if is_list else ".",
"pull": pull,
"value": expr.__data__(),
"put": {"name": s.name, "index": i, "child": "."}
})
i += 1
# <COMPLICATED> ES needs two calls to get all documents
more = []
def get_more(please_stop):
more.append(es_post(
es,
Data(
query={"filtered": {"filter": more_filter}},
fields=es_query.fields
),
query.limit
))
if more_filter:
need_more = Thread.run("get more", target=get_more)
with Timer("call to ES") as call_timer:
data = es_post(es, es_query, query.limit)
# EACH A HIT IS RETURNED MULTIPLE TIMES FOR EACH INNER HIT, WITH INNER HIT INCLUDED
def inners():
for t in data.hits.hits:
for i in t.inner_hits[literal_field(query_path)].hits.hits:
t._inner = i._source
for k, e in post_expressions.items():
t[k] = e(t)
yield t
if more_filter:
Thread.join(need_more)
for t in more[0].hits.hits:
yield t
#</COMPLICATED>
try:
formatter, groupby_formatter, mime_type = format_dispatch[query.format]
output = formatter(inners(), new_select, query)
output.meta.timing.es = call_timer.duration
output.meta.content_type = mime_type
output.meta.es_query = es_query
return output
except Exception as e:
Log.error("problem formatting", e)
def es_deepop(es, query):
schema = query.frum.schema
query_path = schema.query_path[0]
# TODO: FIX THE GREAT SADNESS CAUSED BY EXECUTING post_expressions
# THE EXPRESSIONS SHOULD BE PUSHED TO THE CONTAINER: ES ALLOWS
# {"inner_hit":{"script_fields":[{"script":""}...]}}, BUT THEN YOU
# LOOSE "_source" BUT GAIN "fields", FORCING ALL FIELDS TO BE EXPLICIT
post_expressions = {}
es_query, es_filters = es_query_template(query_path)
# SPLIT WHERE CLAUSE BY DEPTH
wheres = split_expression_by_depth(query.where, schema)
for f, w in zip_longest(es_filters, wheres):
script = AndOp("and", w).partial_eval().to_esfilter(schema)
set_default(f, script)
if not wheres[1]:
# INCLUDE DOCS WITH NO NESTED DOCS
more_filter = {
"bool": {
"filter":
[AndOp("and", wheres[0]).partial_eval().to_esfilter(schema)],
"must_not": {
"nested": {
"path": query_path,
"query": {
"match_all": {}
}
}
}
}
}
else:
more_filter = None
es_query.size = coalesce(query.limit, DEFAULT_LIMIT)
# es_query.sort = jx_sort_to_es_sort(query.sort)
map_to_es_columns = schema.map_to_es()
# {c.name: c.es_column for c in schema.leaves(".")}
query_for_es = query.map(map_to_es_columns)
es_query.sort = jx_sort_to_es_sort(query_for_es.sort, schema)
es_query.stored_fields = []
is_list = isinstance(query.select, list)
selects = wrap([unwrap(s.copy()) for s in listwrap(query.select)])
new_select = FlatList()
put_index = 0
for select in selects:
if isinstance(select.value, LeavesOp) and isinstance(
select.value.term, Variable):
# IF THERE IS A *, THEN INSERT THE EXTRA COLUMNS
leaves = schema.leaves(select.value.term.var)
col_names = set()
for c in leaves:
if c.nested_path[0] == ".":
if c.jx_type == NESTED:
continue
es_query.stored_fields += [c.es_column]
c_name = untype_path(relative_field(c.name, query_path))
col_names.add(c_name)
new_select.append({
"name": concat_field(select.name, c_name),
"nested_path": c.nested_path[0],
"put": {
"name": concat_field(select.name,
literal_field(c_name)),
"index": put_index,
"child": "."
},
"pull": get_pull_function(c)
})
put_index += 1
# REMOVE DOTS IN PREFIX IF NAME NOT AMBIGUOUS
for n in new_select:
if n.name.startswith("..") and n.name.lstrip(
".") not in col_names:
n.put.name = n.name = n.name.lstrip(".")
col_names.add(n.name)
elif isinstance(select.value, Variable):
net_columns = schema.leaves(select.value.var)
if not net_columns:
new_select.append({
"name": select.name,
"nested_path": ".",
"put": {
"name": select.name,
"index": put_index,
"child": "."
},
"pull": NULL
})
else:
for n in net_columns:
pull = get_pull_function(n)
if n.nested_path[0] == ".":
if n.jx_type == NESTED:
continue
es_query.stored_fields += [n.es_column]
# WE MUST FIGURE OUT WHICH NAMESSPACE s.value.var IS USING SO WE CAN EXTRACT THE child
for np in n.nested_path:
c_name = untype_path(relative_field(n.name, np))
if startswith_field(c_name, select.value.var):
child = relative_field(c_name, select.value.var)
break
else:
continue
# REMOVED BECAUSE SELECTING INNER PROPERTIES IS NOT ALLOWED
# child = relative_field(untype_path(relative_field(n.name, n.nested_path[0])), s.value.var)
new_select.append({
"name": select.name,
"pull": pull,
"nested_path": n.nested_path[0],
"put": {
"name": select.name,
"index": put_index,
"child": child
}
})
put_index += 1
else:
expr = select.value
for v in expr.vars():
for c in schema[v.var]:
if c.nested_path[0] == ".":
es_query.stored_fields += [c.es_column]
# else:
# Log.error("deep field not expected")
pull_name = EXPRESSION_PREFIX + select.name
map_to_local = MapToLocal(schema)
pull = jx_expression_to_function(pull_name)
post_expressions[pull_name] = compile_expression(
expr.map(map_to_local).to_python())
new_select.append({
"name": select.name if is_list else ".",
"pull": pull,
"value": expr.__data__(),
"put": {
"name": select.name,
"index": put_index,
"child": "."
}
})
put_index += 1
# <COMPLICATED> ES needs two calls to get all documents
more = []
def get_more(please_stop):
more.append(
es_post(
es,
Data(query=more_filter, stored_fields=es_query.stored_fields),
query.limit))
if more_filter:
need_more = Thread.run("get more", target=get_more)
with Timer("call to ES") as call_timer:
data = es_post(es, es_query, query.limit)
# EACH A HIT IS RETURNED MULTIPLE TIMES FOR EACH INNER HIT, WITH INNER HIT INCLUDED
def inners():
for t in data.hits.hits:
for i in t.inner_hits[literal_field(query_path)].hits.hits:
t._inner = i._source
for k, e in post_expressions.items():
t[k] = e(t)
yield t
if more_filter:
Thread.join(need_more)
for t in more[0].hits.hits:
yield t
# </COMPLICATED>
try:
formatter, groupby_formatter, mime_type = format_dispatch[query.format]
output = formatter(inners(), new_select, query)
output.meta.timing.es = call_timer.duration
output.meta.content_type = mime_type
output.meta.es_query = es_query
return output
except Exception as e:
Log.error("problem formatting", e)