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rquery  

Relational Query Generator for Data Manipulation at Scale
View on CRAN: Click here


Download and install rquery package within the R console
Install from CRAN:
install.packages("rquery")

Install from Github:
library("remotes")
install_github("cran/rquery")

Install by package version:
library("remotes")
install_version("rquery", "1.5.1")



Attach the package and use:
library("rquery")
Maintained by
John Mount
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2018-01-24
Latest Update: 2023-08-20
Description:
A piped query generator based on Edgar F. Codd's relational algebra, and on production experience using 'SQL' and 'dplyr' at big data scale. The design represents an attempt to make 'SQL' more teachable by denoting composition by a sequential pipeline notation instead of nested queries or functions. The implementation delivers reliable high performance data processing on large data systems such as 'Spark', databases, and 'data.table'. Package features include: data processing trees or pipelines as observable objects (able to report both columns produced and columns used), optimized 'SQL' generation as an explicit user visible table modeling step, plus explicit query reasoning and checking.
How to cite:
John Mount (2018). rquery: Relational Query Generator for Data Manipulation at Scale. R package version 1.5.1, https://cran.r-project.org/web/packages/rquery. Accessed 08 Oct. 2026.
Previous versions and publish date:
(2026-09-08 19:00), 0.2.0 (2018-01-24 11:07), 0.3.0 (2018-01-31 18:40), 0.3.1 (2018-02-10 20:39), 0.4.0 (2018-03-10 20:24), 0.4.1 (2018-03-18 05:37), 0.4.2 (2018-04-05 21:15), 0.4.3 (2018-05-08 05:51), 0.5.0 (2018-06-18 23:50), 0.6.1 (2018-08-01 19:50), 0.6.2 (2018-08-15 07:10), 1.0.0 (2018-09-10 18:40), 1.1.0 (2018-09-20 21:50), 1.1.1 (2018-10-26 20:00), 1.2.0 (2018-11-07 06:40), 1.2.1 (2018-12-16 21:10), 1.3.0 (2019-01-29 10:30), 1.3.1 (2019-02-14 21:42), 1.3.2 (2019-03-10 18:00), 1.3.3 (2019-06-02 07:20), 1.3.4 (2019-06-14 21:02), 1.3.5 (2019-06-26 12:30), 1.3.6 (2019-07-04 19:20), 1.3.7 (2019-07-29 19:10), 1.3.8 (2019-09-15 18:40), 1.3.9 (2019-10-27 06:50), 1.4.0 (2019-12-01 21:10), 1.4.1 (2020-01-09 00:00), 1.4.2 (2020-01-19 19:50), 1.4.3 (2020-02-01 10:20), 1.4.4 (2020-02-18 17:50), 1.4.5 (2020-08-12 12:00), 1.4.6 (2020-10-17 19:40), 1.4.7 (2021-06-10 18:20), 1.4.8 (2022-01-22 19:32), 1.4.9 (2022-02-28 19:00), 1.4.99 (2023-08-20 04:40)
Other packages that cited rquery R package
View rquery citation profile
Other R packages that rquery depends, imports, suggests or enhances
Complete documentation for rquery
Functions, R codes and Examples using the rquery R package
Some associated functions: actualize_join_plan . affine_transform . apply_right.relop . apply_right_S4-ANY-rquery_db_info-method . apply_right_S4-data.frame-relop_arrow-method . apply_right_S4-relop_arrow-relop_arrow-method . arrow . assign_slice . build_join_plan . column_names . columns_used . commencify . complete_design . convert_yaml_to_pipeline . count_null_cols . db_td . describe_tables . drop_columns . ex . example_employee_date . execute . expand_grid . extend . extend_se . format_node . getDBOption . graph_join_plan . if_else_block . if_else_op . inspect_join_plan . key_inspector_all_cols . key_inspector_postgresql . key_inspector_sqlite . local_td . lookup_by_column . make_assignments . map_column_values . mark_null_cols . materialize . materialize_node . materialize_sql . mk_td . natural_join . non_sql_node . normalize_cols . null_replace . op_diagram . order_expr . order_expr_se . order_rows . orderby . pick_top_k . pre_sql_fn . pre_sql_identifier . pre_sql_string . pre_sql_sub_expr . pre_sql_to_query . pre_sql_to_query.pre_sql_sub_expr . pre_sql_to_query.pre_sql_token . pre_sql_token . project . project_se . quantile_cols . quantile_node . quote_identifier . quote_literal . quote_string . quote_table_name . rename_columns . row_counts . rq_colnames . rq_coltypes . rq_connection_advice . rq_connection_name . rq_connection_tests . rq_copy_to . rq_execute . rq_function_mappings . rq_get_query . rq_head . rq_nrow . rq_remove_table . rq_table_exists . rquery-package . rquery_apply_to_data_frame . rquery_db_info . rquery_default_db_info . rquery_default_methods . rstr . rsummary . rsummary_node . select_columns . select_rows . select_rows_se . setDBOpt . setDBOption . set_indicator . sql_expr_set . sql_node . str_pre_sql_sub_expr . tables_used . theta_join . theta_join_se . to_sql . to_transport_representation . tokenize_for_SQL . topo_sort_tables . unionall . wrap . 
Some associated R codes: affine_transform.R . arrow.R . assign_slice.R . compare_frames.R . complete_design.R . db_def_methods_default.R . db_info.R . db_ops.R . drop_columns.R . ex_data_frame.R . extend.R . if_else_block.R . join_controller.R . lapply_bquote.R . lookup_by_column.R . make_assignments.R . map_cols.R . materialize.R . materialize_node.R . natural_join.R . non_sql_node.R . normalize.R . null_replace.R . op_diagram.R . order_by.R . order_expr.R . ordered_select_rows.R . package.R . partition_assignments.R . pre_sql.R . project.R . quantile.R . relop.R . rename.R . rlook.R . row_counts.R . rsummary.R . select_columns.R . select_rows.R . set_indicator.R . sql_expr_set.R . sql_node.R . table_source.R . theta_join.R . tokenize_for_sql.R . union_all.R . utils.R . work_with_NULLs.R . wrap_ex.R . yaml.R . zzz.R .  Full rquery package functions and examples
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