|
ex_data_table()
|
Execute an rquery pipeline with data.table sources. |
|
ex_data_table_parallel()
|
Execute an rquery pipeline with data.table in parallel. |
|
ex_data_table_step(<default>)
|
default non-impementation. |
|
ex_data_table_step(<relop_drop_columns>)
|
Implement drop columns. |
|
ex_data_table_step(<relop_extend>)
|
Implement extend/assign operator. |
|
ex_data_table_step(<relop_natural_join>)
|
Natural join. |
|
ex_data_table_step(<relop_non_sql>)
|
Direct non-sql (function) node, not implemented for data.table case. |
|
ex_data_table_step(<relop_null_replace>)
|
Replace NAs. |
|
ex_data_table_step(<relop_order_expr>)
|
Order rows by expression. |
|
ex_data_table_step(<relop_orderby>)
|
Reorder rows. |
|
ex_data_table_step(<relop_project>)
|
Implement projection operator. |
|
ex_data_table_step(<relop_rename_columns>)
|
Rename columns. |
|
ex_data_table_step(<relop_select_columns>)
|
Implement drop columns. |
|
ex_data_table_step(<relop_select_rows>)
|
Select rows by condition. |
|
ex_data_table_step(<relop_set_indicator>)
|
Implement set_indicatoroperator. |
|
ex_data_table_step(<relop_sql>)
|
Direct sql node. |
|
ex_data_table_step(<relop_table_source>)
|
Build a data source description. |
|
ex_data_table_step(<relop_theta_join>)
|
Theta join (database implementation). |
|
ex_data_table_step(<relop_unionall>)
|
Bind tables together by rows. |
|
make_dt_lookup_by_column()
|
Lookup by column function factory. |
|
rq_df_funciton_node()
|
Helper to build data.table capable non-sql nodes. |
|
rq_df_grouped_funciton_node()
|
Helper to build data.table capable non-sql nodes. |
|
rqdatatable
|
rqdatatable: Relational Query Generator for Data Manipulation Implemented by data.table
|
|
set_rqdatatable_as_executor()
|
Set rqdatatable package as default rquery executor |