-
```
from vega_datasets import data
states = alt.topo_feature(data.us_10m.url, feature='states')
alt.renderers.enable('default')
# US states background
background = alt.Chart(states).mark_geos…
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The error is raised from a UDF definition such as
```
def foo(n):
tmp = np.zeros(n)
...
```
Task: improve error message and if possible, give a hint for possible solutions. For instanc…
pearu updated
3 years ago
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Confused by the meaning of this:
https://docs.omnisci.com/installation-and-configuration/config-parameters
bigint-count [=arg]
Use 64-bit count. Disabled by default because 64-bit integer atomi…
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Why JDBC Query add "limit" at the end of "select * from tablename" ?
I think for tables with large of records, select without limit will spend long time, but add "LIMIT" for all query execute is not…
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```
todd
quick ask: I can set ibis (via pymapd) to execute in cpu mode via con.con._client.set_execution_mode(con.con.sessionid,2)
Can we add proper methods to set the execution mode for the sessio…
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when I run:
select * from t1 order by rowid;
Exception happened!
but I run
select rowid, * from t1 order by rowid;
It works, but the result have rowid, rowid0, ...
What's the problem ?
-
1. Setup and activate conda environment:
```
wget https://raw.githubusercontent.com/Quansight/pearu-sandbox/master/conda-envs/omniscidb-cpu-dev.yaml
conda env create --file=omniscidb-cpu-dev.yaml -…
pearu updated
5 years ago
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@rpekrul I just pushed a few notebooks to the repo that outline 4 posts to round out a few weeks of work.
The progression of posts are:
1. Using Ibis to write SQL expressions. (This draft is ready…
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Massive data needs to be analyzed by using database.
It is reasonable to configure how many GB of large memory for a single server
dataBase: all tables 10 / all rows 8Billion
Hot area data:3 Billi…
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I couldn't work out if the *interchange* dataframe (i.e. the dataframe returned from `__dataframe__()`) should also have a `__dataframe__()` method, e.g.
```python
>>> import pandas as pd
>>> df …
honno updated
2 years ago