def get(self, database, query, qual):
stmt = qualstat_getstatdata()
c = inner_cc(stmt)
stmt = stmt.alias()
stmt = (stmt.select().where((c.qualid == bindparam("qualid")) & (
c.queryid == bindparam("query"))).where(stmt.c.count > 0).column(
(c.queryid == bindparam("query")).label("is_my_query")))
quals = list(
self.execute(stmt,
params={
"query": query,
"from": self.get_argument("from"),
"to": self.get_argument("to"),
"qualid": qual
}))
quals = resolve_quals(self.connect(database=database), quals)
my_qual = None
other_queries = {}
for qual in quals:
if qual['is_my_query']:
my_qual = qual
else:
other_queries[qual['queryid']] = qual['query']
if my_qual is None:
self.render("xhr.html", content="nodata")
return
self.render("database/query/qualdetail.html",
qual=my_qual,
database=database,
other_queries=other_queries)
def get(self, database, query, qual):
stmt = qualstat_getstatdata()
c = inner_cc(stmt)
stmt = stmt.alias()
stmt = (stmt.select()
.where((c.qualid == bindparam("qualid")))
.where(stmt.c.occurences > 0)
.column((c.queryid == bindparam("query")).label("is_my_query")))
quals = list(self.execute(
stmt,
params={"query": query,
"from": self.get_argument("from"),
"to": self.get_argument("to"),
"qualid": qual}))
my_qual = None
other_queries = {}
for qual in quals:
if qual['is_my_query']:
my_qual = resolve_quals(self.connect(database=database),
[qual])[0]
else:
other_queries[qual['queryid']] = qual['query']
if my_qual is None:
self.render("xhr.html", content="nodata")
return
self.render("database/query/qualdetail.html",
qual=my_qual,
database=database,
other_queries=other_queries)
def post_process(self, data, database, query, **kwargs):
conn = self.connect(database=database)
data["data"] = resolve_quals(conn, data["data"])
for qual in data["data"]:
qual.url = self.reverse_url('QualOverview', database, query,
qual.qualid)
return data
def post_process(self, data, server, database, query, **kwargs):
try:
remote_conn = self.connect(server, database=database,
remote_access=True)
except Exception as e:
raise HTTPError(501, "Could not connect to remote server: %s" %
str(e))
data["data"] = resolve_quals(remote_conn, data["data"])
for qual in data["data"]:
qual.url = self.reverse_url('QualOverview', server, database,
query, qual.qualid)
return data
def get(self, database, query):
if not self.has_extension("pg_qualstats"):
raise HTTPError(501, "PG qualstats is not installed")
base_query = qualstat_getstatdata()
c = inner_cc(base_query)
base_query.append_from(text("""LATERAL unnest(quals) as qual"""))
base_query = (base_query.where(c.queryid == query).having(
func.bool_or(column('eval_type') == 'f')).having(
c.execution_count > 1000).having(c.occurences > 0).having(
c.filter_ratio > 0.5).params(**{
'from': '-infinity',
'to': 'infinity'
}))
optimizable = list(self.execute(base_query, params={'query': query}))
optimizable = resolve_quals(self.connect(database=database),
optimizable, 'quals')
hypoplan = None
indexes = {}
for qual in optimizable:
indexes[qual.where_clause] = possible_indexes(qual)
hypo_version = self.has_extension("hypopg", database=database)
if indexes and hypo_version and hypo_version >= "0.0.3":
# identify indexes
# create them
allindexes = [
ind for indcollection in indexes.values()
for ind in indcollection
]
for ind in allindexes:
ddl = ind.hypo_ddl
if ddl is not None:
ind.name = self.execute(ddl, database=database).scalar()
# Build the query and fetch the plans
querystr = get_any_sample_query(self, database, query,
self.get_argument("from"),
self.get_argument("to"))
try:
hypoplan = get_hypoplans(self.connect(database=database),
querystr, allindexes)
except:
# TODO: offer the possibility to fill in parameters from the UI
self.flash("We couldn't get plans for this query, presumably "
"because some parameters are missing ")
self.render("database/query/indexes.html",
indexes=indexes,
hypoplan=hypoplan)
def get(self, database, query):
if not self.has_extension("pg_qualstats"):
raise HTTPError(501, "PG qualstats is not installed")
base_query = qualstat_getstatdata()
c = inner_cc(base_query)
base_query.append_from(text("""LATERAL unnest(quals) as qual"""))
base_query = (base_query
.where(c.queryid == query)
.having(func.bool_or(column('eval_type') == 'f'))
.having(c.execution_count > 1000)
.having(c.occurences > 0)
.having(c.filter_ratio > 0.5)
.params(**{'from': '-infinity',
'to': 'infinity'}))
optimizable = list(self.execute(base_query, params={'query': query}))
optimizable = resolve_quals(self.connect(database=database),
optimizable,
'quals')
hypoplan = None
indexes = {}
for qual in optimizable:
indexes[qual.where_clause] = possible_indexes(qual)
hypo_version = self.has_extension("hypopg", database=database)
if hypo_version and hypo_version >= "0.0.3":
# identify indexes
# create them
allindexes = [ind for indcollection in indexes.values()
for ind in indcollection]
for ind in allindexes:
ddl = ind.hypo_ddl
if ddl is not None:
ind.name = self.execute(ddl, database=database).scalar()
# Build the query and fetch the plans
querystr = get_any_sample_query(self, database, query,
self.get_argument("from"),
self.get_argument("to"))
try:
hypoplan = get_hypoplans(self.connect(database=database), querystr,
allindexes)
except:
# TODO: offer the possibility to fill in parameters from the UI
self.flash("We couldn't get plans for this query, presumably "
"because some parameters are missing ")
self.render("database/query/indexes.html", indexes=indexes,
hypoplan=hypoplan)
def get(self, server, database, query, qual):
try:
# Check remote access first
remote_conn = self.connect(server,
database=database,
remote_access=True)
except Exception as e:
raise HTTPError(501,
"Could not connect to remote server: %s" % str(e))
stmt = qualstat_getstatdata(server)
c = inner_cc(stmt)
stmt = stmt.alias()
stmt = (stmt.select().where((c.qualid == bindparam("qualid"))).where(
stmt.c.occurences > 0).column(
(c.queryid == bindparam("query")).label("is_my_query")))
quals = list(
self.execute(stmt,
params={
"server": server,
"query": query,
"from": self.get_argument("from"),
"to": self.get_argument("to"),
"queryids": [query],
"qualid": qual
}))
my_qual = None
other_queries = {}
for qual in quals:
if qual['is_my_query']:
my_qual = resolve_quals(remote_conn, [qual])[0]
if my_qual is None:
self.render("xhr.html", content="No data")
return
self.render("database/query/qualdetail.html",
qual=my_qual,
database=database,
server=server)
def get(self, database, query):
if not self.has_extension("pg_qualstats"):
raise HTTPError(501, "PG qualstats is not installed")
base_query = qualstat_getstatdata()
c = inner_cc(base_query)
base_query.append_from(text("""LATERAL unnest(quals) as qual"""))
base_query = (base_query
.where(c.queryid == query)
.having(func.bool_or(column('eval_type') == 'f'))
.having(c.count > 1000)
.having(c.filter_ratio > 0.5)
.params(**{'from': '-infinity',
'to': 'infinity'}))
optimizable = list(self.execute(base_query, params={'query': query}))
optimizable = resolve_quals(self.connect(database=database),
optimizable,
'quals')
qual_indexes = {}
for line in optimizable:
qual_indexes[line['where_clause']] = possible_indexes(
line['quals'])
self.render("database/query/indexes.html", indexes=qual_indexes)
def get(self, database, query):
if not self.has_extension("pg_qualstats"):
raise HTTPError(501, "PG qualstats is not installed")
base_query = qualstat_getstatdata()
c = inner_cc(base_query)
base_query.append_from(text("""LATERAL unnest(quals) as qual"""))
base_query = (base_query
.where(c.queryid == query)
.having(func.bool_or(column('eval_type') == 'f'))
.having(c.count > 1000)
.having(c.filter_ratio > 0.5)
.params(**{'from': '-infinity',
'to': 'infinity'}))
optimizable = list(self.execute(base_query, params={'query': query}))
optimizable = resolve_quals(self.connect(database=database),
optimizable,
'quals')
qual_indexes = {}
for line in optimizable:
qual_indexes[line['where_clause']] = possible_indexes(
line['quals'])
self.render("database/query/indexes.html", indexes=qual_indexes)
def post_process(self, data, database, query, **kwargs):
conn = self.connect(database=database)
data["data"] = resolve_quals(conn, data["data"])
return data
def post_process(self, data, database, **kwargs):
conn = self.connect(database=database)
data["data"] = resolve_quals(conn, data["data"])
return data
def post_process(self, data, server, database, **kwargs):
conn = self.connect(server, database=database, remote_access=True)
data["data"] = resolve_quals(conn, data["data"])
return data
