def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
vendor = form.connection.vendor
cursor = form.cursor
if vendor == "sqlite":
# SQLite's EXPLAIN dumps the low-level opcodes generated for a query;
# EXPLAIN QUERY PLAN dumps a more human-readable summary
# See http://www.sqlite.org/lang_explain.html for details
cursor.execute("EXPLAIN QUERY PLAN %s" % (sql,), params)
elif vendor == "postgresql":
cursor.execute("EXPLAIN ANALYZE %s" % (sql,), params)
else:
cursor.execute("EXPLAIN %s" % (sql,), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using render_to_response avoids running global context processors.
return render_to_response("debug_toolbar/panels/sql_explain.html", context)
return HttpResponseBadRequest("Form errors")
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
cursor = form.cursor
conn = form.connection
engine = conn.__class__.__module__.split('.', 1)[0]
if engine == "sqlite3":
# SQLite's EXPLAIN dumps the low-level opcodes generated for a query;
# EXPLAIN QUERY PLAN dumps a more human-readable summary
# See http://www.sqlite.org/lang_explain.html for details
cursor.execute("EXPLAIN QUERY PLAN %s" % (sql, ), params)
elif engine == "psycopg2":
cursor.execute("EXPLAIN ANALYZE %s" % (sql, ), params)
else:
cursor.execute("EXPLAIN %s" % (sql, ), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
return render(request, 'debug_toolbar/panels/sql_explain.html',
context)
return HttpResponseBadRequest('Form errors')
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
vendor = form.connection.vendor
with form.cursor as cursor:
if vendor == "sqlite":
# SQLite's EXPLAIN dumps the low-level opcodes generated for a query;
# EXPLAIN QUERY PLAN dumps a more human-readable summary
# See https://www.sqlite.org/lang_explain.html for details
cursor.execute("EXPLAIN QUERY PLAN {}".format(sql), params)
elif vendor == "postgresql":
cursor.execute("EXPLAIN ANALYZE {}".format(sql), params)
else:
cursor.execute("EXPLAIN {}".format(sql), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
content = render_to_string("debug_toolbar/panels/sql_explain.html",
context)
return JsonResponse({"content": content})
return HttpResponseBadRequest("Form errors")
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
vendor = form.connection.vendor
cursor = form.cursor
if vendor == "postgresql":
cursor.execute("EXPLAIN ANALYZE %s" % (sql, ), params)
else:
cursor.execute("EXPLAIN %s" % (sql, ), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using render_to_response avoids running global context processors.
return render_to_response("debug_toolbar/panels/sql_explain.html",
context)
return HttpResponseBadRequest("Form errors")
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
vendor = form.connection.vendor
cursor = form.cursor
if vendor == "sqlite":
# SQLite's EXPLAIN dumps the low-level opcodes generated for a query;
# EXPLAIN QUERY PLAN dumps a more human-readable summary
# See https://www.sqlite.org/lang_explain.html for details
cursor.execute("EXPLAIN QUERY PLAN %s" % (sql, ), params)
elif vendor == "postgresql":
cursor.execute("EXPLAIN ANALYZE %s" % (sql, ), params)
else:
cursor.execute("EXPLAIN %s" % (sql, ), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using SimpleTemplateResponse avoids running global context processors.
return SimpleTemplateResponse("debug_toolbar/panels/sql_explain.html",
context)
return HttpResponseBadRequest("Form errors")
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
vendor = form.connection.vendor
cursor = form.cursor
if vendor == 'sqlite':
# SQLite's EXPLAIN dumps the low-level opcodes generated for a query;
# EXPLAIN QUERY PLAN dumps a more human-readable summary
# See https://www.sqlite.org/lang_explain.html for details
cursor.execute("EXPLAIN QUERY PLAN %s" % (sql, ), params)
elif vendor == 'postgresql':
cursor.execute("EXPLAIN ANALYZE %s" % (sql, ), params)
else:
cursor.execute("EXPLAIN %s" % (sql, ), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
# Using render_to_response avoids running global context processors.
return render_to_response('debug_toolbar/panels/sql_explain.html',
context)
return HttpResponseBadRequest('Form errors')
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
vendor = form.connection.vendor
cursor = form.cursor
if vendor == 'sqlite':
# SQLite's EXPLAIN dumps the low-level opcodes generated for a query;
# EXPLAIN QUERY PLAN dumps a more human-readable summary
# See http://www.sqlite.org/lang_explain.html for details
cursor.execute("EXPLAIN QUERY PLAN %s" % (sql,), params)
elif vendor == 'postgresql':
cursor.execute("EXPLAIN ANALYZE %s" % (sql,), params)
else:
cursor.execute("EXPLAIN %s" % (sql,), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
return render(request, 'debug_toolbar/panels/sql_explain.html', context)
return HttpResponseBadRequest('Form errors')
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
vendor = form.connection.vendor
cursor = form.cursor
if vendor == 'postgresql':
cursor.execute("EXPLAIN ANALYZE %s" % (sql, ), params)
else:
cursor.execute("EXPLAIN %s" % (sql, ), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
# Using render_to_response avoids running global context processors.
return render_to_response('debug_toolbar/panels/sql_explain.html',
context)
return HttpResponseBadRequest('Form errors')
def sql_explain(request):
"""Returns the output of the SQL EXPLAIN on the given query"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
vendor = form.connection.vendor
cursor = form.cursor
if vendor == 'postgresql':
cursor.execute("EXPLAIN ANALYZE %s" % (sql, ), params)
else:
cursor.execute("EXPLAIN %s" % (sql, ), params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
# Using render_to_response avoids running global context processors.
return render_to_response('debug_toolbar/panels/sql_explain.html', context)
return HttpResponseBadRequest('Form errors')
def sql_profile(request):
"""Returns the output of running the SQL and getting the profiling statistics"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
cursor = form.cursor
result = None
headers = None
result_error = None
try:
cursor.execute("SET PROFILING=1") # Enable profiling
cursor.execute(sql, params) # Execute SELECT
cursor.execute("SET PROFILING=0") # Disable profiling
# The Query ID should always be 1 here but I'll subselect to get
# the last one just in case...
cursor.execute(
"""
SELECT *
FROM information_schema.profiling
WHERE query_id = (
SELECT query_id
FROM information_schema.profiling
ORDER BY query_id DESC
LIMIT 1
)
"""
)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
except Exception:
result_error = (
"Profiling is either not available or not supported by your database."
)
cursor.close()
context = {
"result": result,
"result_error": result_error,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using SimpleTemplateResponse avoids running global context processors.
return SimpleTemplateResponse("debug_toolbar/panels/sql_profile.html", context)
return HttpResponseBadRequest("Form errors")
def sql_profile(request):
"""Returns the output of running the SQL and getting the profiling statistics"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
cursor = form.cursor
result = None
headers = None
result_error = None
try:
cursor.execute("SET PROFILING=1") # Enable profiling
cursor.execute(sql, params) # Execute SELECT
cursor.execute("SET PROFILING=0") # Disable profiling
# The Query ID should always be 1 here but I'll subselect to get
# the last one just in case...
cursor.execute(
"""
SELECT *
FROM information_schema.profiling
WHERE query_id = (
SELECT query_id
FROM information_schema.profiling
ORDER BY query_id DESC
LIMIT 1
)
"""
)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
except Exception:
result_error = (
"Profiling is either not available or not supported by your database."
)
cursor.close()
context = {
"result": result,
"result_error": result_error,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using SimpleTemplateResponse avoids running global context processors.
return SimpleTemplateResponse("debug_toolbar/panels/sql_profile.html", context)
return HttpResponseBadRequest("Form errors")
def sql_profile(request):
"""Returns the output of running the SQL and getting the profiling statistics"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
cursor = form.cursor
result = None
headers = None
result_error = None
try:
cursor.execute("SET PROFILING=1") # Enable profiling
cursor.execute(sql, params) # Execute SELECT
cursor.execute("SET PROFILING=0") # Disable profiling
# The Query ID should always be 1 here but I'll subselect to get
# the last one just in case...
cursor.execute("""
SELECT *
FROM information_schema.profiling
WHERE query_id = (
SELECT query_id
FROM information_schema.profiling
ORDER BY query_id DESC
LIMIT 1
)
""")
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
except Exception:
result_error = "Profiling is either not available or not supported by your database."
cursor.close()
context = {
'result': result,
'result_error': result_error,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
return render(request, 'debug_toolbar/panels/sql_profile.html',
context)
return HttpResponseBadRequest('Form errors')
def sql_profile(request):
"""Returns the output of running the SQL and getting the profiling statistics"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
cursor = form.cursor
result = None
headers = None
result_error = None
try:
cursor.execute("SET PROFILING=1") # Enable profiling
cursor.execute(sql, params) # Execute SELECT
cursor.execute("SET PROFILING=0") # Disable profiling
# The Query ID should always be 1 here but I'll subselect to get
# the last one just in case...
cursor.execute("""
SELECT *
FROM information_schema.profiling
WHERE query_id = (
SELECT query_id
FROM information_schema.profiling
ORDER BY query_id DESC
LIMIT 1
)
""")
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
except Exception:
result_error = "Profiling is either not available or not supported by your database."
cursor.close()
context = {
'result': result,
'result_error': result_error,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
return render(request, 'debug_toolbar/panels/sql_profile.html', context)
return HttpResponseBadRequest('Form errors')
def sql_select(request):
"""Returns the output of the SQL SELECT statement"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
cursor = form.cursor
cursor.execute(sql, params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
return render(request, 'debug_toolbar/panels/sql_select.html', context)
return HttpResponseBadRequest('Form errors')
def sql_select(request):
"""Returns the output of the SQL SELECT statement"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data['raw_sql']
params = form.cleaned_data['params']
cursor = form.cursor
cursor.execute(sql, params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
'result': result,
'sql': form.reformat_sql(),
'duration': form.cleaned_data['duration'],
'headers': headers,
'alias': form.cleaned_data['alias'],
}
return render(request, 'debug_toolbar/panels/sql_select.html', context)
return HttpResponseBadRequest('Form errors')
def sql_select(request):
"""Returns the output of the SQL SELECT statement"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
cursor = form.cursor
cursor.execute(sql, params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using SimpleTemplateResponse avoids running global context processors.
return SimpleTemplateResponse("debug_toolbar/panels/sql_select.html", context)
return HttpResponseBadRequest("Form errors")
def sql_select(request):
"""Returns the output of the SQL SELECT statement"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
cursor = form.cursor
cursor.execute(sql, params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
cursor.close()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
# Using render_to_response avoids running global context processors.
return render_to_response("debug_toolbar/panels/sql_select.html", context)
return HttpResponseBadRequest("Form errors")
def sql_select(request):
"""Returns the output of the SQL SELECT statement"""
form = SQLSelectForm(request.POST or None)
if form.is_valid():
sql = form.cleaned_data["raw_sql"]
params = form.cleaned_data["params"]
with form.cursor as cursor:
cursor.execute(sql, params)
headers = [d[0] for d in cursor.description]
result = cursor.fetchall()
context = {
"result": result,
"sql": form.reformat_sql(),
"duration": form.cleaned_data["duration"],
"headers": headers,
"alias": form.cleaned_data["alias"],
}
content = render_to_string("debug_toolbar/panels/sql_select.html",
context)
return JsonResponse({"content": content})
return HttpResponseBadRequest("Form errors")
def process_response(self, request, response):
colors = contrasting_color_generator()
trace_colors = defaultdict(lambda: next(colors))
query_duplicates = defaultdict(lambda: defaultdict(int))
if self._queries:
width_ratio_tally = 0
factor = int(256.0 / (len(self._databases) * 2.5))
for n, db in enumerate(self._databases.values()):
rgb = [0, 0, 0]
color = n % 3
rgb[color] = 256 - n / 3 * factor
nn = color
# XXX: pretty sure this is horrible after so many aliases
while rgb[color] < factor:
nc = min(256 - rgb[color], 256)
rgb[color] += nc
nn += 1
if nn > 2:
nn = 0
rgb[nn] = nc
db['rgb_color'] = rgb
trans_ids = {}
trans_id = None
i = 0
for alias, query in self._queries:
query_duplicates[alias][query["raw_sql"]] += 1
trans_id = query.get('trans_id')
last_trans_id = trans_ids.get(alias)
if trans_id != last_trans_id:
if last_trans_id:
self._queries[(i - 1)][1]['ends_trans'] = True
trans_ids[alias] = trans_id
if trans_id:
query['starts_trans'] = True
if trans_id:
query['in_trans'] = True
query['alias'] = alias
if 'iso_level' in query:
query['iso_level'] = get_isolation_level_display(query['vendor'],
query['iso_level'])
if 'trans_status' in query:
query['trans_status'] = get_transaction_status_display(query['vendor'],
query['trans_status'])
query['form'] = SQLSelectForm(auto_id=None, initial=copy(query))
if query['sql']:
query['sql'] = reformat_sql(query['sql'])
query['rgb_color'] = self._databases[alias]['rgb_color']
try:
query['width_ratio'] = (query['duration'] / self._sql_time) * 100
query['width_ratio_relative'] = (
100.0 * query['width_ratio'] / (100.0 - width_ratio_tally))
except ZeroDivisionError:
query['width_ratio'] = 0
query['width_ratio_relative'] = 0
query['start_offset'] = width_ratio_tally
query['end_offset'] = query['width_ratio'] + query['start_offset']
width_ratio_tally += query['width_ratio']
query['stacktrace'] = render_stacktrace(query['stacktrace'])
i += 1
query['trace_color'] = trace_colors[query['stacktrace']]
if trans_id:
self._queries[(i - 1)][1]['ends_trans'] = True
# Queries are duplicates only if there's as least 2 of them.
# Also, to hide queries, we need to give all the duplicate groups an id
query_duplicates = dict(
(alias, dict(
(query, duplicate_count)
for query, duplicate_count in queries.items()
if duplicate_count >= 2
))
for alias, queries in query_duplicates.items()
)
for alias, query in self._queries:
try:
duplicates_count = query_duplicates[alias][query["raw_sql"]]
query["duplicate_count"] = duplicates_count
except KeyError:
pass
for alias, alias_info in self._databases.items():
try:
alias_info["duplicate_count"] = sum(e for e in query_duplicates[alias].values())
except KeyError:
pass
self.record_stats({
'databases': sorted(self._databases.items(), key=lambda x: -x[1]['time_spent']),
'queries': [q for a, q in self._queries],
'sql_time': self._sql_time,
})
def generate_stats(self, request, response):
colors = contrasting_color_generator()
trace_colors = defaultdict(lambda: next(colors))
similar_query_groups = defaultdict(list)
duplicate_query_groups = defaultdict(list)
if self._queries:
width_ratio_tally = 0
factor = int(256.0 / (len(self._databases) * 2.5))
for n, db in enumerate(self._databases.values()):
rgb = [0, 0, 0]
color = n % 3
rgb[color] = 256 - n // 3 * factor
nn = color
# XXX: pretty sure this is horrible after so many aliases
while rgb[color] < factor:
nc = min(256 - rgb[color], 256)
rgb[color] += nc
nn += 1
if nn > 2:
nn = 0
rgb[nn] = nc
db["rgb_color"] = rgb
# the last query recorded for each DB alias
last_by_alias = {}
for query in self._queries:
alias = query["alias"]
similar_query_groups[(alias,
_similar_query_key(query))].append(query)
duplicate_query_groups[(
alias, _duplicate_query_key(query))].append(query)
trans_id = query.get("trans_id")
prev_query = last_by_alias.get(alias, {})
prev_trans_id = prev_query.get("trans_id")
# If two consecutive queries for a given DB alias have different
# transaction ID values, a transaction started, finished, or both, so
# annotate the queries as appropriate.
if trans_id != prev_trans_id:
if prev_trans_id is not None:
prev_query["ends_trans"] = True
if trans_id is not None:
query["starts_trans"] = True
if trans_id is not None:
query["in_trans"] = True
if "iso_level" in query:
query["iso_level"] = get_isolation_level_display(
query["vendor"], query["iso_level"])
if "trans_status" in query:
query["trans_status"] = get_transaction_status_display(
query["vendor"], query["trans_status"])
query["form"] = SignedDataForm(
auto_id=None,
initial=SQLSelectForm(initial=copy(query)).initial)
if query["sql"]:
query["sql"] = reformat_sql(query["sql"], with_toggle=True)
query["rgb_color"] = self._databases[alias]["rgb_color"]
try:
query["width_ratio"] = (query["duration"] /
self._sql_time) * 100
except ZeroDivisionError:
query["width_ratio"] = 0
query["start_offset"] = width_ratio_tally
query["end_offset"] = query["width_ratio"] + query[
"start_offset"]
width_ratio_tally += query["width_ratio"]
query["stacktrace"] = render_stacktrace(query["stacktrace"])
query["trace_color"] = trace_colors[query["stacktrace"]]
last_by_alias[alias] = query
# Close out any transactions that were in progress, since there is no
# explicit way to know when a transaction finishes.
for final_query in last_by_alias.values():
if final_query.get("trans_id") is not None:
final_query["ends_trans"] = True
group_colors = contrasting_color_generator()
_process_query_groups(similar_query_groups, self._databases,
group_colors, "similar")
_process_query_groups(duplicate_query_groups, self._databases,
group_colors, "duplicate")
self.record_stats({
"databases":
sorted(self._databases.items(), key=lambda x: -x[1]["time_spent"]),
"queries":
self._queries,
"sql_time":
self._sql_time,
})
def generate_stats(self, request, response):
colors = contrasting_color_generator()
trace_colors = defaultdict(lambda: next(colors))
query_similar = defaultdict(lambda: defaultdict(int))
query_duplicates = defaultdict(lambda: defaultdict(int))
# The keys used to determine similar and duplicate queries.
def similar_key(query):
return query["raw_sql"]
def duplicate_key(query):
raw_params = (
() if query["raw_params"] is None else tuple(query["raw_params"])
)
# saferepr() avoids problems because of unhashable types
# (e.g. lists) when used as dictionary keys.
# https://github.com/jazzband/django-debug-toolbar/issues/1091
return (query["raw_sql"], saferepr(raw_params))
if self._queries:
width_ratio_tally = 0
factor = int(256.0 / (len(self._databases) * 2.5))
for n, db in enumerate(self._databases.values()):
rgb = [0, 0, 0]
color = n % 3
rgb[color] = 256 - n // 3 * factor
nn = color
# XXX: pretty sure this is horrible after so many aliases
while rgb[color] < factor:
nc = min(256 - rgb[color], 256)
rgb[color] += nc
nn += 1
if nn > 2:
nn = 0
rgb[nn] = nc
db["rgb_color"] = rgb
trans_ids = {}
trans_id = None
i = 0
for alias, query in self._queries:
query_similar[alias][similar_key(query)] += 1
query_duplicates[alias][duplicate_key(query)] += 1
trans_id = query.get("trans_id")
last_trans_id = trans_ids.get(alias)
if trans_id != last_trans_id:
if last_trans_id:
self._queries[(i - 1)][1]["ends_trans"] = True
trans_ids[alias] = trans_id
if trans_id:
query["starts_trans"] = True
if trans_id:
query["in_trans"] = True
query["alias"] = alias
if "iso_level" in query:
query["iso_level"] = get_isolation_level_display(
query["vendor"], query["iso_level"]
)
if "trans_status" in query:
query["trans_status"] = get_transaction_status_display(
query["vendor"], query["trans_status"]
)
query["form"] = SignedDataForm(
auto_id=None, initial=SQLSelectForm(initial=copy(query)).initial
)
if query["sql"]:
query["sql"] = reformat_sql(query["sql"], with_toggle=True)
query["rgb_color"] = self._databases[alias]["rgb_color"]
try:
query["width_ratio"] = (query["duration"] / self._sql_time) * 100
except ZeroDivisionError:
query["width_ratio"] = 0
query["start_offset"] = width_ratio_tally
query["end_offset"] = query["width_ratio"] + query["start_offset"]
width_ratio_tally += query["width_ratio"]
query["stacktrace"] = render_stacktrace(query["stacktrace"])
i += 1
query["trace_color"] = trace_colors[query["stacktrace"]]
if trans_id:
self._queries[(i - 1)][1]["ends_trans"] = True
# Queries are similar / duplicates only if there's as least 2 of them.
# Also, to hide queries, we need to give all the duplicate groups an id
query_colors = contrasting_color_generator()
query_similar_colors = {
alias: {
query: (similar_count, next(query_colors))
for query, similar_count in queries.items()
if similar_count >= 2
}
for alias, queries in query_similar.items()
}
query_duplicates_colors = {
alias: {
query: (duplicate_count, next(query_colors))
for query, duplicate_count in queries.items()
if duplicate_count >= 2
}
for alias, queries in query_duplicates.items()
}
for alias, query in self._queries:
try:
(query["similar_count"], query["similar_color"]) = query_similar_colors[
alias
][similar_key(query)]
(
query["duplicate_count"],
query["duplicate_color"],
) = query_duplicates_colors[alias][duplicate_key(query)]
except KeyError:
pass
for alias, alias_info in self._databases.items():
try:
alias_info["similar_count"] = sum(
e[0] for e in query_similar_colors[alias].values()
)
alias_info["duplicate_count"] = sum(
e[0] for e in query_duplicates_colors[alias].values()
)
except KeyError:
pass
self.record_stats(
{
"databases": sorted(
self._databases.items(), key=lambda x: -x[1]["time_spent"]
),
"queries": [q for a, q in self._queries],
"sql_time": self._sql_time,
}
)
def process_response(self, request, response):
if self._queries:
width_ratio_tally = 0
factor = int(256.0 / (len(self._databases) * 2.5))
for n, db in enumerate(self._databases.values()):
rgb = [0, 0, 0]
color = n % 3
rgb[color] = 256 - n / 3 * factor
nn = color
# XXX: pretty sure this is horrible after so many aliases
while rgb[color] < factor:
nc = min(256 - rgb[color], 256)
rgb[color] += nc
nn += 1
if nn > 2:
nn = 0
rgb[nn] = nc
db['rgb_color'] = rgb
trans_ids = {}
trans_id = None
i = 0
for alias, query in self._queries:
trans_id = query.get('trans_id')
last_trans_id = trans_ids.get(alias)
if trans_id != last_trans_id:
if last_trans_id:
self._queries[(i - 1)][1]['ends_trans'] = True
trans_ids[alias] = trans_id
if trans_id:
query['starts_trans'] = True
if trans_id:
query['in_trans'] = True
query['alias'] = alias
if 'iso_level' in query:
query['iso_level'] = get_isolation_level_display(query['engine'],
query['iso_level'])
if 'trans_status' in query:
query['trans_status'] = get_transaction_status_display(query['engine'],
query['trans_status'])
query['form'] = SQLSelectForm(auto_id=None, initial=copy(query))
if query['sql']:
query['sql'] = reformat_sql(query['sql'])
query['rgb_color'] = self._databases[alias]['rgb_color']
try:
query['width_ratio'] = (query['duration'] / self._sql_time) * 100
query['width_ratio_relative'] = (
100.0 * query['width_ratio'] / (100.0 - width_ratio_tally))
except ZeroDivisionError:
query['width_ratio'] = 0
query['width_ratio_relative'] = 0
query['start_offset'] = width_ratio_tally
query['end_offset'] = query['width_ratio'] + query['start_offset']
width_ratio_tally += query['width_ratio']
query['stacktrace'] = render_stacktrace(query['stacktrace'])
i += 1
if trans_id:
self._queries[(i - 1)][1]['ends_trans'] = True
self.record_stats({
'databases': sorted(self._databases.items(), key=lambda x: -x[1]['time_spent']),
'queries': [q for a, q in self._queries],
'sql_time': self._sql_time,
})
