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Merge pull request #1166 from BruceWangNo1/s3-select 

temporary s3-select feature documentation
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Chris Lu 2019-12-23 11:23:56 -08:00 committed by GitHub
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# AWS S3 Select feature in Seaweedfs
## Start weed
```bash
git checkout s3-select
# Compile weed
weed server -s3
```
## Install And Configure AWSCLI
```bash
pip install awscli
aws configure // default all the way
aws configure set default.s3.signature_version s3v4
```
## Make a bucket in S3
```bash
aws --endpoint-url http://localhost:8333 s3 mb s3://newbucketgoogle
```
## Download googleplaystore.csv
Link: https://www.kaggle.com/lava18/google-play-store-apps
## Copy the file to the S3 bucket
```bash
aws --endpoint-url http://localhost:8333 s3 copy google-play-store-apps/googleplaystore.csv s3://newbucketgoogle
```
## Perform S3 Select Query
```bash
aws --endpoint-url http://localhost:8333 s3api select-object-content --bucket "newbucketgoogle" --key
"googleplaystore.csv" --expression "select * from s3object limit 5" --expression-type 'SQL' --input-serialization '{"CSV": {"FileHeaderInfo": "USE","RecordDelimiter": "\n","FieldDelimiter": ","}, "CompressionType": "NONE"}' --output-serialization '{"CSV": {"RecordDelimiter": "\n","FieldDelimiter": ","}}' "sample.csv"
```
## Check out result
```bash
vim sample.csv
```