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