Programmatic Way to Construct Complex Filtering Queries

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Documentation for package ‘queryBuilder’ version 0.1.0

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

queryBuilder-package	Build Filtering Query from Configuration
attach_to_list	Combine two lists
default_conditions	Register new or list existing query conditions
default_operators	Register new or list existing query operators
err_msg	Generate error message
in_range	Check if value fits to a range
in_string	Check if character value matches the provided pattern
is_empty	Compare the string to empty value
lget_attr	Extract attribute of each element from a set of lists
listQueryConditions	Register new or list existing query conditions
listQueryOperators	Register new or list existing query operators
operator_name_prefix	Prefix used for renaming operators names
prefix_operators_name	Rename operators with the provided prefix
query-condition	Register new or list existing query conditions
query-operator	Register new or list existing query operators
query-rules	Define filtering query
queryBuilderConfig	Default object storing 'queryBuilder' configuration.
queryBuilderConfigClass	R6 class representing 'queryBuilderConfig' object.
queryCondition	Register new or list existing query conditions
queryGroup	Define filtering query
queryOperator	Register new or list existing query operators
queryRule	Define filtering query
queryToExpr	Parse query rules to R filtering expression
query_to_expr_bare	Convert query definition to expression
remove_by_name	Remove list elements by their names
rule_to_expr	Convert rule definition to expression
setQueryConditions	Register new or list existing query conditions
setQueryOperators	Register new or list existing query operators
substitute_q	Substitute expression stored as a variable