QueryExpression

class numpy::QueryExpression

numpy C++ class.

Example

#include <numpy/np_ndarray.h>
using namespace numpy;

// Use QueryExpression
QueryExpression obj;
// ... operations ...

Constructors

Signature	Location	Example
QueryExpression(const std::string& expr)	df_query.h:472

Other Methods

Signature	Return Type	Location	Example
void collect_columns(const ASTNode\* node)	void	df_query.h:442
collect_columns(and_node->left.get())		df_query.h:453
collect_columns(and_node->right.get())		df_query.h:454
collect_columns(or_node->left.get())		df_query.h:459
collect_columns(or_node->right.get())		df_query.h:460
collect_columns(not_node->operand.get())		df_query.h:465
collect_columns(root\_.get())		df_query.h:477
Lexer lexer(expr)	Lexer	df_query.h:473
Parser parser(std::move(tokens))	Parser	df_query.h:475
const std::unordered_set<std::string>& referenced_columns() const	const std::unordered_set<std::string>&	df_query.h:482
const ASTNode\* root() const	const ASTNode*	df_query.h:480