#columns ( result-set -- n )
Furnace framework » Database library » Low-level database protocol » Result sets

Prev:	#rows ( result-set -- n )
Next:	advance-row ( result-set -- )

Vocabulary
db

Inputs

result-set

a result-set

Outputs

n	an integer

Word description
Returns the number of columns in a result set.

Definition

IN: db

GENERIC: #columns ( result-set -- n )

Methods

USING: accessors db db.mysql ;

M: mysql-result-set #columns #columns>> ;


USING: accessors db db.postgresql db.postgresql.ffi ;

M: postgresql-result-set #columns handle>> PQnfields ;


USING: accessors db db.sqlite db.sqlite.lib ;

M: sqlite-result-set #columns handle>> sqlite-#columns ;