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sergeant
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README

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boB Rudis 5 years ago
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      README.md
  2. 9
      pre/README.Rmd

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README.md
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@ -132,17 +132,11 @@ devtools::install_bitbucket("hrbrmstr/sergeant")
devtools::install_github("hrbrmstr/sergeant")
```
\`\`{r echo=FALSE, message=FALSE, warning=FALSE, error=FALSE}
options(width=120)
````
## Usage
# Usage
### `dplyr` interface
```r
``` r
library(sergeant)
library(tidyverse)
@ -200,32 +194,30 @@ arrange(db, desc(employee_id)) %>% print(n = 20)
## # Source: table<cp.`employee.json`> [?? x 20]
## # Database: DrillConnection
## # Ordered by: desc(employee_id)
## employee_id full_name first_name last_name position_id position_title
## <chr> <chr> <chr> <chr> <chr> <chr>
## 1 999 Beverly … Beverly Dittmar 17 Store Permane…
## 2 998 Elizabet… Elizabeth Jantzer 17 Store Permane…
## 3 997 John Swe… John Sweet 17 Store Permane…
## 4 996 William … William Murphy 17 Store Permane…
## 5 995 Carol Li… Carol Lindsay 17 Store Permane…
## 6 994 Richard … Richard Burke 17 Store Permane…
## 7 993 Ethan Bu… Ethan Bunosky 17 Store Permane…
## 8 992 Claudett… Claudette Cabrera 17 Store Permane…
## 9 991 Maria Te… Maria Terry 17 Store Permane…
## 10 990 Stacey C… Stacey Case 17 Store Permane…
## 11 99 Elizabet… Elizabeth Horne 18 Store Tempora…
## 12 989 Dominick… Dominick Nutter 17 Store Permane…
## 13 988 Brian Wi… Brian Willeford 17 Store Permane…
## 14 987 Margaret… Margaret Clendenen 17 Store Permane…
## 15 986 Maeve Wa… Maeve Wall 17 Store Permane…
## 16 985 Mildred … Mildred Morrow 16 Store Tempora…
## 17 984 French W… French Wilson 16 Store Tempora…
## 18 983 Elisabet… Elisabeth Duncan 16 Store Tempora…
## 19 982 Linda An… Linda Anderson 16 Store Tempora…
## 20 981 Selene W… Selene Watson 16 Store Tempora…
## # … with more rows, and 10 more variables: store_id <chr>,
## # department_id <chr>, birth_date <chr>, hire_date <chr>, salary <chr>,
## # supervisor_id <chr>, education_level <chr>, marital_status <chr>,
## # gender <chr>, management_role <chr>
## employee_id full_name first_name last_name position_id position_title store_id department_id birth_date hire_date
## <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr>
## 1 999 Beverly … Beverly Dittmar 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 2 998 Elizabet… Elizabeth Jantzer 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 3 997 John Swe… John Sweet 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 4 996 William … William Murphy 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 5 995 Carol Li… Carol Lindsay 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 6 994 Richard … Richard Burke 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 7 993 Ethan Bu… Ethan Bunosky 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 8 992 Claudett… Claudette Cabrera 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 9 991 Maria Te… Maria Terry 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 10 990 Stacey C… Stacey Case 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 11 99 Elizabet… Elizabeth Horne 18 Store Tempora… 6 18 1976-10-05 1997-01-…
## 12 989 Dominick… Dominick Nutter 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 13 988 Brian Wi… Brian Willeford 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 14 987 Margaret… Margaret Clendenen 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 15 986 Maeve Wa… Maeve Wall 17 Store Permane… 8 17 1914-02-02 1998-01-…
## 16 985 Mildred … Mildred Morrow 16 Store Tempora… 8 16 1914-02-02 1998-01-…
## 17 984 French W… French Wilson 16 Store Tempora… 8 16 1914-02-02 1998-01-…
## 18 983 Elisabet… Elisabeth Duncan 16 Store Tempora… 8 16 1914-02-02 1998-01-…
## 19 982 Linda An… Linda Anderson 16 Store Tempora… 8 16 1914-02-02 1998-01-…
## 20 981 Selene W… Selene Watson 16 Store Tempora… 8 16 1914-02-02 1998-01-…
## # … with more rows, and 6 more variables: salary <chr>, supervisor_id <chr>, education_level <chr>,
## # marital_status <chr>, gender <chr>, management_role <chr>
mutate(db, position_title = tolower(position_title)) %>%
mutate(salary = as.numeric(salary)) %>%
@ -248,7 +240,7 @@ mutate(db, position_title = tolower(position_title)) %>%
## 9 6 4
## 10 36 2
## # … with 102 more rows
````
```
### REST API
@ -262,60 +254,57 @@ drill_version(dc)
## [1] "1.15.0"
drill_storage(dc)$name
## [1] "cp" "dfs" "drilldat" "hbase" "hdfs" "hive"
## [7] "kudu" "mongo" "my" "s3"
## [1] "cp" "dfs" "drilldat" "hbase" "hdfs" "hive" "kudu" "mongo" "my" "s3"
drill_query(dc, "SELECT * FROM cp.`employee.json` limit 100")
## # A tibble: 100 x 16
## employee_id full_name first_name last_name position_id position_title
## <chr> <chr> <chr> <chr> <chr> <chr>
## 1 1 Sheri No… Sheri Nowmer 1 President
## 2 2 Derrick … Derrick Whelply 2 VP Country Ma…
## 3 4 Michael … Michael Spence 2 VP Country Ma…
## 4 5 Maya Gut… Maya Gutierrez 2 VP Country Ma…
## 5 6 Roberta … Roberta Damstra 3 VP Informatio…
## 6 7 Rebecca … Rebecca Kanagaki 4 VP Human Reso…
## 7 8 Kim Brun… Kim Brunner 11 Store Manager
## 8 9 Brenda B… Brenda Blumberg 11 Store Manager
## 9 10 Darren S… Darren Stanz 5 VP Finance
## 10 11 Jonathan… Jonathan Murraiin 11 Store Manager
## # … with 90 more rows, and 10 more variables: store_id <chr>,
## # department_id <chr>, birth_date <chr>, hire_date <chr>, salary <chr>,
## # supervisor_id <chr>, education_level <chr>, marital_status <chr>,
## # gender <chr>, management_role <chr>
## employee_id full_name first_name last_name position_id position_title store_id department_id birth_date hire_date
## <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr> <chr>
## 1 1 Sheri No… Sheri Nowmer 1 President 0 1 1961-08-26 1994-12-…
## 2 2 Derrick … Derrick Whelply 2 VP Country Ma… 0 1 1915-07-03 1994-12-…
## 3 4 Michael … Michael Spence 2 VP Country Ma… 0 1 1969-06-20 1998-01-…
## 4 5 Maya Gut… Maya Gutierrez 2 VP Country Ma… 0 1 1951-05-10 1998-01-…
## 5 6 Roberta … Roberta Damstra 3 VP Informatio… 0 2 1942-10-08 1994-12-…
## 6 7 Rebecca … Rebecca Kanagaki 4 VP Human Reso… 0 3 1949-03-27 1994-12-…
## 7 8 Kim Brun… Kim Brunner 11 Store Manager 9 11 1922-08-10 1998-01-…
## 8 9 Brenda B… Brenda Blumberg 11 Store Manager 21 11 1979-06-23 1998-01-…
## 9 10 Darren S… Darren Stanz 5 VP Finance 0 5 1949-08-26 1994-12-…
## 10 11 Jonathan… Jonathan Murraiin 11 Store Manager 1 11 1967-06-20 1998-01-…
## # … with 90 more rows, and 6 more variables: salary <chr>, supervisor_id <chr>, education_level <chr>,
## # marital_status <chr>, gender <chr>, management_role <chr>
drill_query(dc, "SELECT COUNT(gender) AS gctFROM cp.`employee.json` GROUP BY gender")
drill_options(dc)
## # A tibble: 179 x 6
## name value defaultValue accessibleScopes kind optionScope
## <chr> <chr> <chr> <chr> <chr> <chr>
## 1 debug.validate_i… FALSE false ALL BOOL… BOOT
## 2 debug.validate_v… FALSE false ALL BOOL… BOOT
## 3 drill.exec.funct… FALSE false ALL BOOL… BOOT
## 4 drill.exec.hasha… FALSE false ALL BOOL… BOOT
## 5 drill.exec.hashj… FALSE false ALL BOOL… BOOT
## 6 drill.exec.memor… 16777… 16777216 SYSTEM LONG BOOT
## 7 drill.exec.memor… 0.1 0.1 SYSTEM DOUB… BOOT
## 8 drill.exec.stora… dir dir ALL STRI… BOOT
## 9 drill.exec.stora… filen… filename ALL STRI… BOOT
## 10 drill.exec.stora… filep… filepath ALL STRI… BOOT
## name value defaultValue accessibleScopes kind optionScope
## <chr> <chr> <chr> <chr> <chr> <chr>
## 1 debug.validate_iterators FALSE false ALL BOOLE… BOOT
## 2 debug.validate_vectors FALSE false ALL BOOLE… BOOT
## 3 drill.exec.functions.cast_empty_string_to_null FALSE false ALL BOOLE… BOOT
## 4 drill.exec.hashagg.fallback.enabled FALSE false ALL BOOLE… BOOT
## 5 drill.exec.hashjoin.fallback.enabled FALSE false ALL BOOLE… BOOT
## 6 drill.exec.memory.operator.output_batch_size 16777216 16777216 SYSTEM LONG BOOT
## 7 drill.exec.memory.operator.output_batch_size_avail_mem_fac… 0.1 0.1 SYSTEM DOUBLE BOOT
## 8 drill.exec.storage.file.partition.column.label dir dir ALL STRING BOOT
## 9 drill.exec.storage.implicit.filename.column.label filename filename ALL STRING BOOT
## 10 drill.exec.storage.implicit.filepath.column.label filepath filepath ALL STRING BOOT
## # … with 169 more rows
drill_options(dc, "json")
## # A tibble: 10 x 6
## name value defaultValue accessibleScopes kind optionScope
## <chr> <chr> <chr> <chr> <chr> <chr>
## 1 store.hive.maprdb… FALSE false ALL BOOL… BOOT
## 2 store.json.all_te… TRUE false ALL BOOL… SYSTEM
## 3 store.json.extend… TRUE false ALL BOOL… SYSTEM
## 4 store.json.read_n… FALSE false ALL BOOL… BOOT
## 5 store.json.reader… TRUE true ALL BOOL… BOOT
## 6 store.json.reader… TRUE false ALL BOOL… SYSTEM
## 7 store.json.reader… TRUE false ALL BOOL… SYSTEM
## 8 store.json.writer… TRUE true ALL BOOL… BOOT
## 9 store.json.writer… TRUE true ALL BOOL… BOOT
## 10 store.json.writer… TRUE false ALL BOOL… SYSTEM
## name value defaultValue accessibleScopes kind optionScope
## <chr> <chr> <chr> <chr> <chr> <chr>
## 1 store.hive.maprdb_json.optimize_scan_with_native_reader FALSE false ALL BOOLEAN BOOT
## 2 store.json.all_text_mode TRUE false ALL BOOLEAN SYSTEM
## 3 store.json.extended_types TRUE false ALL BOOLEAN SYSTEM
## 4 store.json.read_numbers_as_double FALSE false ALL BOOLEAN BOOT
## 5 store.json.reader.allow_nan_inf TRUE true ALL BOOLEAN BOOT
## 6 store.json.reader.print_skipped_invalid_record_number TRUE false ALL BOOLEAN SYSTEM
## 7 store.json.reader.skip_invalid_records TRUE false ALL BOOLEAN SYSTEM
## 8 store.json.writer.allow_nan_inf TRUE true ALL BOOLEAN BOOT
## 9 store.json.writer.skip_null_fields TRUE true ALL BOOLEAN BOOT
## 10 store.json.writer.uglify TRUE false ALL BOOLEAN SYSTEM
```
## Working with parquet files
@ -381,7 +370,7 @@ select columns[2] as city, columns[4] as lon, columns[3] as lat
| Lang | \# Files | (%) | LoC | (%) | Blank lines | (%) | \# Lines | (%) |
| :--- | -------: | --: | --: | --: | ----------: | --: | -------: | --: |
| Rmd | 1 | 1 | 56 | 1 | 55 | 1 | 90 | 1 |
| Rmd | 1 | 1 | 55 | 1 | 54 | 1 | 89 | 1 |
## Code of Conduct

9
pre/README.Rmd
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@ -14,6 +14,7 @@ knitr::opts_chunk$set(
fig.path = "README-"
)
options(sergeant.bigint.warnonce = FALSE)
options(width=120)
```
[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1248912.svg)](https://doi.org/10.5281/zenodo.1248912)
@ -95,12 +96,8 @@ Note that a number of Drill SQL functions have been mapped to R functions (e.g.
```{r einstall-ex, results='asis', echo = FALSE}
hrbrpkghelpr::install_block()
````
``{r echo=FALSE, message=FALSE, warning=FALSE, error=FALSE}
options(width=120)
```
## Usage
`````
# Usage
### `dplyr` interface

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