Relax pyarrow and pandas pinning (#358)

* Update README to clarify GPU installation procedure

* Relax pandas and pyarrow pins

Jenkinsfile

@@ -3,7 +3,7 @@ def precommit_container_name = "pymapd-precommit-$BUILD_NUMBER"
 def db_cuda_container_image = "omnisci/core-os-cuda-dev:master"
 def db_cpu_container_image = "omnisci/core-os-cpu-dev:master"
 def db_container_name = "pymapd-db-$BUILD_NUMBER"
-def testscript_container_image = "rapidsai/rapidsai:0.16-cuda11.0-base-ubuntu18.04-py3.7"
+def testscript_container_image = "rapidsai/rapidsai:0.15-cuda11.0-base-ubuntu18.04-py3.7"
 def testscript_container_name = "pymapd-pytest-$BUILD_NUMBER"
 def stage_succeeded
 def git_commit

README.rst

@@ -13,20 +13,25 @@ pymapd
 A python `DB API`_ compliant interface for `OmniSci`_ (formerly MapD). See the
 `documentation`_ for more.
 
-Quick Install
--------------
+Quick Install (CPU)
+-------------------
 
 Packages are available on conda-forge and PyPI::
 
    conda install -c conda-forge pymapd
 
    pip install pymapd
 
-To install cudf for GPU Dataframe support (conda-only)::
+Quick Install (GPU)
+-------------------
 
-   conda install -c nvidia/label/cuda10.0 -c rapidsai/label/cuda10.0 -c numba -c conda-forge -c defaults cudf pymapd
+We recommend creating a fresh conda 3.7 or 3.8 environment when installing
+pymapd with GPU capabilities.
 
+To install pymapd and cudf for GPU Dataframe support (conda-only)::
 
+   conda create -n omnisci-gpu -c rapidsai -c nvidia -c conda-forge \
+    -c defaults cudf=0.15 python=3.7 cudatoolkit=10.2 pymapd
 
 .. _DB API: https://www.python.org/dev/peps/pep-0249/
 .. _OmniSci: https://www.omnisci.com/

environment.yml

@@ -4,8 +4,8 @@ channels:
 - defaults
 dependencies:
 - thrift=0.13.0
-- pyarrow==0.17.1.*
-- pandas==1.1.*
+- pyarrow<=2.0
+- pandas
 - python >=3.7.0,<3.9
 # related: https://github.com/conda-forge/pillow-feedstock/issues/73
 - libtiff=4.0.10

environment_gpu.yml

@@ -8,9 +8,10 @@ dependencies:
 - thrift=0.13.0
 - cudf=0.15
 - cudatoolkit=11.0
-- pyarrow==0.17.1.*
-- pandas==1.1.*
 - python >=3.7.0,<3.9
+- pyarrow<=2.0
+- pandas
+- python>3.6.6,<3.9
 # related: https://github.com/conda-forge/pillow-feedstock/issues/73
 - libtiff=4.0.10
 - geopandas

setup.py

@@ -10,11 +10,11 @@
     long_description = f.read()
 
 install_requires = [
-    'pyarrow >= 0.17,<0.18',
+    'pyarrow <= 2.0',
     'thrift == 0.13.0',
     'shapely',
     'sqlalchemy >= 1.3',
-    'pandas >=1.0,<1.2.0dev0',  # keep consistency with cudf 0.15
+    'pandas',
     'packaging >= 20.0',
     'requests >= 2.23.0',
     'numba >= 0.49',  # keep consistency with cudf 0.15