Fixed Value Error when doing HDFStore.Select of contiguous mixed-data
Fixed Value Error when doing HDFStore.Select of contiguous mixed-data table ft. VLArray

Closes 17021

Signed-off-by: Amol Kahat <akahat@redhat.com>

- [x] closes #17021 
- [x] tests added / passed
- [x] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [x] whatsnew entry
Hello @amolkahat! Thanks for updating the PR.





Cheers ! There are no PEP8 issues in this Pull Request. :beers: 

##### Comment last updated on September 27, 2017 at 12:09 Hours UTC # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=h1) Report
> Merging [#17670](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/d3be81ad595c5338781bed9963c729a9702e6611?src=pr&el=desc) will **increase** coverage by `<.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/17670/graphs/tree.svg?width=650&src=pr&token=eZ4WkYLtcO&height=150)](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #17670      +/-   ##
==========================================
+ Coverage   91.24%   91.25%   +<.01%     
==========================================
  Files         163      163              
  Lines       49762    49761       -1     
==========================================
+ Hits        45406    45408       +2     
+ Misses       4356     4353       -3
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.04% <100%> (+0.02%)` | :arrow_up: |
| #single | `40.33% <100%> (-0.07%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/io/pytables.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2lvL3B5dGFibGVzLnB5) | `92.79% <100%> (-0.01%)` | :arrow_down: |
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2lvL2dicS5weQ==) | `25% <0%> (-58.34%)` | :arrow_down: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.73% <0%> (-0.1%)` | :arrow_down: |
| [pandas/plotting/\_converter.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL3Bsb3R0aW5nL19jb252ZXJ0ZXIucHk=) | `65.2% <0%> (+1.81%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=footer). Last update [d3be81a...2ed2da9](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=h1) Report
> Merging [#17670](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/d3be81ad595c5338781bed9963c729a9702e6611?src=pr&el=desc) will **increase** coverage by `<.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/17670/graphs/tree.svg?src=pr&token=eZ4WkYLtcO&width=650&height=150)](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #17670      +/-   ##
==========================================
+ Coverage   91.24%   91.25%   +<.01%     
==========================================
  Files         163      163              
  Lines       49762    49761       -1     
==========================================
+ Hits        45406    45408       +2     
+ Misses       4356     4353       -3
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.04% <100%> (+0.02%)` | :arrow_up: |
| #single | `40.33% <100%> (-0.07%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/io/pytables.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2lvL3B5dGFibGVzLnB5) | `92.79% <100%> (-0.01%)` | :arrow_down: |
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2lvL2dicS5weQ==) | `25% <0%> (-58.34%)` | :arrow_down: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.73% <0%> (-0.1%)` | :arrow_down: |
| [pandas/plotting/\_converter.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL3Bsb3R0aW5nL19jb252ZXJ0ZXIucHk=) | `65.2% <0%> (+1.81%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=footer). Last update [d3be81a...2ed2da9](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 # [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=h1) Report
> Merging [#17670](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=desc) into [master](https://codecov.io/gh/pandas-dev/pandas/commit/44747c8e91cee3599f96a4f154cb0323269b4ef1?src=pr&el=desc) will **increase** coverage by `<.01%`.
> The diff coverage is `100%`.

[![Impacted file tree graph](https://codecov.io/gh/pandas-dev/pandas/pull/17670/graphs/tree.svg?height=150&width=650&token=eZ4WkYLtcO&src=pr)](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master   #17670      +/-   ##
==========================================
+ Coverage   91.24%   91.25%   +<.01%     
==========================================
  Files         163      163              
  Lines       49762    49761       -1     
==========================================
+ Hits        45406    45408       +2     
+ Misses       4356     4353       -3
```

| Flag | Coverage Δ | |
|---|---|---|
| #multiple | `89.04% <100%> (+0.02%)` | :arrow_up: |
| #single | `40.34% <100%> (-0.07%)` | :arrow_down: |

| [Impacted Files](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [pandas/io/pytables.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2lvL3B5dGFibGVzLnB5) | `92.79% <100%> (-0.01%)` | :arrow_down: |
| [pandas/io/gbq.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2lvL2dicS5weQ==) | `25% <0%> (-58.34%)` | :arrow_down: |
| [pandas/core/frame.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL2NvcmUvZnJhbWUucHk=) | `97.73% <0%> (-0.1%)` | :arrow_down: |
| [pandas/plotting/\_converter.py](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=tree#diff-cGFuZGFzL3Bsb3R0aW5nL19jb252ZXJ0ZXIucHk=) | `65.2% <0%> (+1.81%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=continue).
> **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta)
> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=footer). Last update [44747c8...4861f63](https://codecov.io/gh/pandas-dev/pandas/pull/17670?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
 thanks!