Sort and page

lemur/database.py

@@ -10,7 +10,7 @@
 .. moduleauthor:: Kevin Glisson <kglisson@netflix.com>
 """
 from inflection import underscore
-from sqlalchemy import exc
+from sqlalchemy import exc, func
 from sqlalchemy.sql import and_, or_
 from sqlalchemy.orm import make_transient
 
@@ -267,6 +267,12 @@ def clone(model):
     return model
 
 
+def get_count(q):
+    count_q = q.statement.with_only_columns([func.count()]).order_by(None)
+    count = q.session.execute(count_q).scalar()
+    return count
+
+
 def sort_and_page(query, model, args):
     """
     Helper that allows us to combine sorting and paging
@@ -289,7 +295,7 @@ def sort_and_page(query, model, args):
     if sort_by and sort_dir:
         query = sort(query, model, sort_by, sort_dir)
 
-    total = query.count()
+    total = get_count(query)
 
     # offset calculated at zero
     page -= 1

requirements-dev.txt

@@ -4,26 +4,26 @@
 #
 #    pip-compile --no-index --output-file requirements-dev.txt requirements-dev.in
 #
-aspy.yaml==1.1.0          # via pre-commit
+aspy.yaml==1.1.1          # via pre-commit
 cached-property==1.4.2    # via pre-commit
 certifi==2018.4.16        # via requests
 cfgv==1.0.0               # via pre-commit
 chardet==3.0.4            # via requests
 flake8==3.5.0
-identify==1.0.13          # via pre-commit
+identify==1.0.17          # via pre-commit
 idna==2.6                 # via requests
-invoke==0.22.1
+invoke==1.0.0
 mccabe==0.6.1             # via flake8
 nodeenv==1.3.0
 pkginfo==1.4.2            # via twine
-pre-commit==1.8.2
+pre-commit==1.9.0
 pycodestyle==2.3.1        # via flake8
 pyflakes==1.6.0           # via flake8
 pyyaml==3.12              # via aspy.yaml, pre-commit
 requests-toolbelt==0.8.0  # via twine
 requests==2.18.4          # via requests-toolbelt, twine
 six==1.11.0               # via cfgv, pre-commit
-tqdm==4.23.0              # via twine
+tqdm==4.23.4              # via twine
 twine==1.11.0
 urllib3==1.22             # via requests
-virtualenv==15.2.0        # via pre-commit
+virtualenv==16.0.0        # via pre-commit

requirements-docs.txt

@@ -68,8 +68,8 @@ retrying==1.3.3
 s3transfer==0.1.13
 six==1.11.0
 snowballstemmer==1.2.1    # via sphinx
-sphinx-rtd-theme==0.3.0
-sphinx==1.7.3
+sphinx-rtd-theme==0.3.1
+sphinx==1.7.4
 sphinxcontrib-httpdomain==1.6.1
 sphinxcontrib-websupport==1.0.1  # via sphinx
 sqlalchemy-utils==0.33.2

requirements-tests.txt

@@ -5,11 +5,12 @@
 #    pip-compile --no-index --output-file requirements-tests.txt requirements-tests.in
 #
 asn1crypto==0.24.0        # via cryptography
-attrs==17.4.0             # via pytest
+atomicwrites==1.1.5       # via pytest
+attrs==18.1.0             # via pytest
 aws-xray-sdk==0.95        # via moto
-boto3==1.7.6              # via moto
+boto3==1.7.26             # via moto
 boto==2.48.0              # via moto
-botocore==1.10.6          # via boto3, moto, s3transfer
+botocore==1.10.26         # via boto3, moto, s3transfer
 certifi==2018.4.16        # via requests
 cffi==1.11.5              # via cryptography
 chardet==3.0.4            # via requests
@@ -17,12 +18,12 @@ click==6.7                # via flask
 cookies==2.2.1            # via moto, responses
 coverage==4.5.1
 cryptography==2.2.2       # via moto
-docker-pycreds==0.2.2     # via docker
-docker==3.2.1             # via moto
+docker-pycreds==0.2.3     # via docker
+docker==3.3.0             # via moto
 docutils==0.14            # via botocore
-factory-boy==2.10.0
-faker==0.8.13
-flask==0.12.2             # via pytest-flask
+factory-boy==2.11.1
+faker==0.8.15
+flask==1.0.2              # via pytest-flask
 freezegun==0.3.10
 idna==2.6                 # via cryptography, requests
 itsdangerous==0.24        # via flask
@@ -32,22 +33,22 @@ jsondiff==1.1.1           # via moto
 jsonpickle==0.9.6         # via aws-xray-sdk
 markupsafe==1.0           # via jinja2
 mock==2.0.0               # via moto
-more-itertools==4.1.0     # via pytest
+more-itertools==4.2.0     # via pytest
 moto==1.3.3
 nose==1.3.7
-pbr==4.0.2                # via mock
+pbr==4.0.3                # via mock
 pluggy==0.6.0             # via pytest
 py==1.5.3                 # via pytest
 pyaml==17.12.1            # via moto
 pycparser==2.18           # via cffi
-pyflakes==1.6.0
+pyflakes==2.0.0
 pytest-flask==0.10.0
-pytest-mock==1.9.0
-pytest==3.5.0
+pytest-mock==1.10.0
+pytest==3.6.0
 python-dateutil==2.6.1    # via botocore, faker, freezegun, moto
 pytz==2018.4              # via moto
 pyyaml==3.12              # via pyaml
-requests-mock==1.4.0
+requests-mock==1.5.0
 requests==2.18.4          # via aws-xray-sdk, docker, moto, requests-mock, responses
 responses==0.9.0          # via moto
 s3transfer==0.1.13        # via boto3

requirements.txt

@@ -4,7 +4,7 @@
 #
 #    pip-compile --no-index --output-file requirements.txt requirements.in
 #
-acme==0.23.0
+acme==0.24.0
 alembic-autogenerate-enums==0.0.2
 alembic==0.9.9            # via flask-migrate
 aniso8601==3.0.0          # via flask-restful
@@ -12,14 +12,14 @@ arrow==0.12.1
 asn1crypto==0.24.0        # via cryptography
 bcrypt==3.1.4             # via flask-bcrypt, paramiko
 blinker==1.4              # via flask-mail, flask-principal, raven
-boto3==1.7.6
-botocore==1.10.6          # via boto3, s3transfer
+boto3==1.7.26
+botocore==1.10.26         # via boto3, s3transfer
 cffi==1.11.5              # via bcrypt, cryptography, pynacl
 click==6.7                # via flask
 cryptography==2.2.2
 docutils==0.14            # via botocore
 flask-bcrypt==0.7.1
-flask-cors==3.0.3
+flask-cors==3.0.4
 flask-mail==0.9.1
 flask-migrate==2.1.1
 flask-principal==0.4.0
@@ -28,7 +28,7 @@ flask-script==2.0.6
 flask-sqlalchemy==2.3.2
 flask==0.12
 future==0.16.0
-gunicorn==19.7.1
+gunicorn==19.8.1
 idna==2.6                 # via cryptography
 inflection==0.3.1
 itsdangerous==0.24        # via flask
@@ -39,30 +39,30 @@ lockfile==0.12.2
 mako==1.0.7               # via alembic
 markupsafe==1.0           # via jinja2, mako
 marshmallow-sqlalchemy==0.13.2
-marshmallow==2.15.0
+marshmallow==2.15.3
 mock==2.0.0               # via acme
-ndg-httpsclient==0.4.4
+ndg-httpsclient==0.5.0
 paramiko==2.4.1
-pbr==4.0.2                # via mock
+pbr==4.0.3                # via mock
 pem==17.1.0
 psycopg2==2.7.4
 pyasn1-modules==0.2.1     # via python-ldap
-pyasn1==0.4.2             # via ndg-httpsclient, paramiko, pyasn1-modules, python-ldap, requests
+pyasn1==0.4.3             # via ndg-httpsclient, paramiko, pyasn1-modules, python-ldap, requests
 pycparser==2.18           # via cffi
-pyjwt==1.6.1
+pyjwt==1.6.4
 pynacl==1.2.1             # via paramiko
 pyopenssl==17.2.0
 pyrfc3339==1.0            # via acme
-python-dateutil==2.7.2    # via alembic, arrow, botocore
+python-dateutil==2.7.3    # via alembic, arrow, botocore
 python-editor==1.0.3      # via alembic
 python-ldap==3.0.0
 pytz==2018.4              # via acme, flask-restful, pyrfc3339
-raven[flask]==6.7.0
+raven[flask]==6.8.0
 requests[security]==2.11.1
 retrying==1.3.3
 s3transfer==0.1.13        # via boto3
 six==1.11.0
-sqlalchemy-utils==0.33.2
+sqlalchemy-utils==0.33.3
 sqlalchemy==1.2.7         # via alembic, flask-sqlalchemy, marshmallow-sqlalchemy, sqlalchemy-utils
 tabulate==0.8.2
 werkzeug==0.14.1          # via flask