| Type: | Package |
| Title: | R Driver for Apache Drill |
| Version: | 0.1 |
| Date: | 2016-06-28 |
| Author: | Hanbing Yang |
| Depends: | R (≥ 3.0.2) |
| Imports: | httr,methods |
| Maintainer: | Hanbing Yang <hanbingflying@sina.com> |
| Description: | Provides a R driver for Apache Drillhttps://drill.apache.org, which could connect to the Apache Drill clusterhttps://drill.apache.org/docs/installing-drill-on-the-cluster or drillbithttps://drill.apache.org/docs/embedded-mode-prerequisites and get result(in data frame) from the SQL query and check the current configuration status. This link https://drill.apache.org/docs contains more information about Apache Drill. |
| License: | GPL-2 | GPL-3 [expanded from: GPL] |
| RoxygenNote: | 5.0.1 |
| NeedsCompilation: | no |
| Packaged: | 2016-06-29 13:18:25 UTC; Jirachi |
| Repository: | CRAN |
| Date/Publication: | 2016-06-29 15:57:26 |
Class drill defines a Apache Drill driver class.
Description
Class drill defines a Apache Drill driver class.
Slots
hostA string denoting the Apache Drill cluster/node host
portA numeric denoting the Apache Drill cluster/node port
To show whether the connection is active.
Description
To show whether the connection is active.
Usage
rd_active(object)
## S4 method for signature 'drill'
rd_active(object)
Arguments
object |
the RDrill object |
Examples
#rd_active(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Show the information of the memory metrics.
Description
Show the information of the memory metrics.
Usage
rd_metrics(object)
## S4 method for signature 'drill'
rd_metrics(object)
Arguments
object |
the RDrill object |
Examples
#rd_metrics(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Show the information of the system and session options such as name and data type and so forth.
Description
Show the information of the system and session options such as name and data type and so forth.
Usage
rd_options(object)
## S4 method for signature 'drill'
rd_options(object)
Arguments
object |
the RDrill object |
Examples
#rd_options(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Show the information about the running and completed queries.
Description
Show the information about the running and completed queries.
Usage
rd_profiles(object)
## S4 method for signature 'drill'
rd_profiles(object)
Arguments
object |
the RDrill object |
Examples
#rd_profiles(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Submit a SQL query and return results as a data frame.
Description
Submit a SQL query and return results as a data frame.
Usage
rd_query(object, sql)
## S4 method for signature 'drill'
rd_query(object, sql)
Arguments
object |
the RDrill object |
sql |
the query submitted |
Examples
#rd_query(R_DRILL_OBJECT,SQL_QUERY) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Show the information of Drillbits, their ports and hosts.
Description
Show the information of Drillbits, their ports and hosts.
Usage
rd_stats(object)
## S4 method for signature 'drill'
rd_stats(object)
Arguments
object |
the RDrill object |
Examples
#rd_stats(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Show the configurations of the storage plugins.
Description
Show the configurations of the storage plugins.
Usage
rd_storages(object)
## S4 method for signature 'drill'
rd_storages(object)
Arguments
object |
the RDrill object |
Examples
#rd_storages(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Show the information of the threads status.
Description
Show the information of the threads status.
Usage
rd_threads(object)
## S4 method for signature 'drill'
rd_threads(object)
Arguments
object |
the RDrill object |
Examples
#rd_threads(R_DRILL_OBJECT) #please replace 'R_DRILL_OBJECT' with your RDrill object.
Get the Apache Drill Connection, return the RDrill object.
Description
Get the Apache Drill Connection, return the RDrill object.
Usage
rdrill(host, port)
## S4 method for signature 'character,numeric'
rdrill(host, port)
Arguments
host |
Apache Drill cluster/node host |
port |
Apache Drill cluster/node port |
Examples
rdrill("127.0.0.1",8047)