Author: Marshall Markham <mmarkham@interest-02.atxd.maxpointinteractive.com>
Author: mmarkham <marshall.markham@maxpoint.com>

Closes #805 from marshall245/master and squashes the following commits:

d1f4399 [mmarkham] update run requirements for thriftpy >=0.3.5 in build-recipes/impyla/meta.yaml
f71ce39 [Marshall Markham] change source fields to contain git_url and git_rev
8f0ed81 [Marshall Markham] in meta.yaml remove thrift_sasl from build requirements and thrift_sasl, sasl from run requirements.
0d0752a [Marshall Markham] Update build recipes for ibis 0.7.0

This is the installer link from https://github.com/conda-forge/ibis-
framework-feedstock    If you want i can add whoever wants to assist
the release process as a maintainer of the recipes and their
dependencies.    Not sure where in the readme we want these links.

Author: Marius van Niekerk <marius.v.niekerk@gmail.com>

Closes #817 from mariusvniekerk/master and squashes the following commits:

47e2155 [Marius van Niekerk] Added conda installer link

This PR is @cpcloud's work plus fixes for the data load. There is a
test failure on PostgreSQL 9.3 we'll need to investigate and fix.
Closes #720

Author: Phillip Cloud <cpcloud@gmail.com>
Author: Wes McKinney <wesm@apache.org>

Closes #818 from wesm/pg and squashes the following commits:

3528780 [Wes McKinney] Fix up data loading script for postgres, make variance statement work on postgres 9.3 (unverified)
d80f0d0 [Phillip Cloud] Add support for cumulative window functions
0964902 [Phillip Cloud] Make timestamp tests 100% reliable
3a2e618 [Phillip Cloud] Clean up some docs
8a6a4cc [Phillip Cloud] Ensure that we can find NULLs in sets
ae579ce [Phillip Cloud] Make sure that NullLiteral has a value so that we can create a list containing them in SQLAlchemy
ad864b8 [Phillip Cloud] Implement regex extract for pg
a9c3f49 [Phillip Cloud] Add test for regex extract
1eeca39 [Phillip Cloud] No need for parens
368430a [Phillip Cloud] Add postgres to test data generation script
4853357 [Phillip Cloud] Small cleanup [ci skip]
8716d75 [Phillip Cloud] Comment [ci skip]
f1086c3 [Phillip Cloud] DRY it up
7bfdf3f [Phillip Cloud] Implement basic window functions for pg
213e187 [Phillip Cloud] Add rows specification to SQLAlchemy OVER clause
ebdbff4 [Phillip Cloud] Add more window tests
185a76e [Phillip Cloud] Test simple window
3dbb4a1 [Phillip Cloud] Begin window work
43395b2 [Phillip Cloud] XFail so that we know what should work and what should be skipped
5388794 [Phillip Cloud] Fix variance and log
eb2541d [Phillip Cloud] Add tests for math et al
32b17e6 [Phillip Cloud] Use CTEs for better looking SQL
86f45d1 [Phillip Cloud] Fail on null scalars for now
f621530 [Phillip Cloud] Implement find_in_set et al
77473db [Phillip Cloud] Add tests for moar string functions!
1cabc28 [Phillip Cloud] Implement reverse
d1c1db1 [Phillip Cloud] Add test for reverse
7c2e2c0 [Phillip Cloud] Implement string padding
2390eec [Phillip Cloud] Add basic string padding functions
55879f9 [Phillip Cloud] Cleanup and comment
c54d2f8 [Phillip Cloud] Implement coalesce
ef6576d [Phillip Cloud] Add tests for coalesce
25b72d6 [Phillip Cloud] Fail on not testing coalesce
4c40a63 [Phillip Cloud] Use replace instead of str_replace
a5d303c [Phillip Cloud] Use re.escape
f33a35c [Phillip Cloud] WIP: Add postgresql backend

Closes #819

Author: Phillip Cloud <cpcloud@gmail.com>

Closes #820 from cpcloud/generate-proper-sql-types and squashes the following commits:

63eefe1 [Phillip Cloud] Properly cast types

Author: Phillip Cloud <cpcloud@fb.com>

Closes #823 from cpcloud/sqlalchemy-compat and squashes the following commits:

7a1656d [Phillip Cloud] Import a compatibly-named postgresql dialect module

Closes #810

Author: Wes McKinney <wesm@apache.org>

Closes #826 from wesm/bug/chained-comparisons and squashes the following commits:

2209d71 [Wes McKinney] Python 3 uses __nonzero__
dfcb2bf [Wes McKinney] Disable __bool__ for Expr and fix buggy test cases

…ard characters

Closes #808

Author: Phillip Cloud <cpcloud@fb.com>

Closes #824 from cpcloud/use-strpos-for-contains and squashes the following commits:

9bb4f3c [Phillip Cloud] Implement contains using strpos to avoid issues with search for wildcard characters

Closes #807

Author: Phillip Cloud <cpcloud@gmail.com>

Closes #822 from cpcloud/incorrect-schema-choice-in-join and squashes the following commits:

ce5669c [Phillip Cloud] Fix incorrect substitution behavior and simplify substitution code

Closes #825

Author: Phillip Cloud <cpcloud@gmail.com>

Closes #830 from cpcloud/fix-predicate-compilation and squashes the following commits:

8c769d7 [Phillip Cloud] Just parenthesize OR expressions
8586281 [Phillip Cloud] Fix impala compilation of multiple boolean filters

Closes #828

Author: Phillip Cloud <cpcloud@gmail.com>

Closes #831 from cpcloud/fix-having-size and squashes the following commits:

8c55862 [Phillip Cloud] Fix having on count aggregation on group by expressions

Closes #816

Author: Phillip Cloud <cpcloud@gmail.com>

Closes #833 from cpcloud/py2-mock and squashes the following commits:

7026d51 [Phillip Cloud] Make mock optional for PY2

Conflicts:
	ibis/sql/tests/test_compiler.py

Closes #768

Author: Phillip Cloud <cpcloud@gmail.com>

Closes #834 from cpcloud/add-keywords-to-group-by and squashes the following commits:

0a2b2d2 [Phillip Cloud] Add keywords to group_by

Closes #836, #821. Per comments in #836 there's still some cleanup to
be done here.    #666 is still not fixed -- we should look at CTE
extraction that can happen across the union subqueries. for now it's
OK to have some redundancy.

Author: Wes McKinney <wesm@apache.org>
Author: Phillip Cloud <cpcloud@gmail.com>

Closes #837 from wesm/fix-union-with and squashes the following commits:

c510365 [Wes McKinney] Compile union subqueries with an isolated context so that CTE extraction works. Related to #666
0673b64 [Wes McKinney] Add failing integration test for #821
58598e6 [Phillip Cloud] Surround with statements in UNION with parentheses

Author: Wes McKinney <wesm@apache.org>

Closes #841 from wesm/0.8-doc-updates and squashes the following commits:

a7a3ac1 [Wes McKinney] Update release date
783016f [Wes McKinney] Index tweak
8d62b7a [Wes McKinney] 0.8 release notes and index tweaks
58377b2 [Wes McKinney] Add postgres note
3bc20c0 [Wes McKinney] Documentation updates
1513541 [Wes McKinney] Postgres now supported

Author: Wes McKinney <wesm@apache.org>

Closes #842 from wesm/postgres-tweaks and squashes the following commits:

8ba3724 [Wes McKinney] Postgres API tweaks