ObjPgSQL  Diff

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#import <ObjFW/ObjFW.h>

#import "PGResult.h"

OF_ASSUME_NONNULL_BEGIN






typedef OFDictionary OF_GENERIC(OFString *, id) *PGRow;






@interface PGConnection: OFObject
{
	PGconn *_connection;
	OFDictionary OF_GENERIC(OFString *, OFString *) *_parameters;
}





@property (nonatomic, copy)
    OFDictionary OF_GENERIC(OFString *, OFString *) *parameters;






- (void)connect;




- (void)reset;




- (void)close;








- (nullable PGResult *)executeCommand: (OFConstantString *)command;









- (nullable PGResult *)executeCommand: (OFConstantString *)command
			   parameters: (id)firstParameter, ... OF_SENTINEL;
@end

OF_ASSUME_NONNULL_END







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#import <ObjFW/ObjFW.h>

#import "PGResult.h"

OF_ASSUME_NONNULL_BEGIN

/** @file */

/**
 * @brief A result row.
 */
typedef OFDictionary OF_GENERIC(OFString *, id) *PGRow;

/**
 * @class PGConnection PGConnection.h ObjPgSQL/ObjPgSQL.h
 *
 * @brief A connection to a database.
 */
@interface PGConnection: OFObject
{
	PGconn *_connection;
	OFDictionary OF_GENERIC(OFString *, OFString *) *_parameters;
}

/**
 * @brief The parameters for the database connection. See `PQconnectdb` in the
 *	  PostgreSQL documentation.
 */
@property (nonatomic, copy)
    OFDictionary OF_GENERIC(OFString *, OFString *) *parameters;

/**
 * @brief Connects to the database.
 *
 * @throw PGConnectionFailedException The connection failed
 */
- (void)connect;

/**
 * @brief Resets the connection to the database.
 */
- (void)reset;

/**
 * @brief Closes the connection to the database.
 */
- (void)close;

/**
 * @brief Executes the specified command.
 *
 * @param command The command to execute
 * @return The result of the command, if any
 * @throw PGCommandFailedException Executing the command failed.
 */
- (nullable PGResult *)executeCommand: (OFConstantString *)command;

/**
 * @brief Executes the specified command.
 *
 * @param command The command to execute
 * @param firstParameter First parameter for the command
 * @return The result of the command, if any
 * @throw PGCommandFailedException Executing the command failed.
 */
- (nullable PGResult *)executeCommand: (OFConstantString *)command
			   parameters: (id)firstParameter, ... OF_SENTINEL;
@end

OF_ASSUME_NONNULL_END