Class: Informix::CursorBase

Inherits:
Object
  • Object
show all
Defined in:
ext/informixc.c

Direct Known Subclasses

InsertCursor, SequentialCursor

Instance Method Summary collapse

Instance Method Details

#close ⇒ Object

cursor.close => cursor

Closes the cursor and returns __self__.



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# File 'ext/informixc.c', line 4073

static VALUE
rb_cursorbase_close(VALUE self)
{
	cursor_t *c;

	Data_Get_Struct(self, cursor_t, c);
	cursorbase_close_or_free(c, 1);
	return self;
}

#free ⇒ Object

cursor.free => nil

Closes the cursor and frees the memory associated with it. The cursor cannot be opened again.



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# File 'ext/informixc.c', line 4090

static VALUE
rb_cursorbase_free(VALUE self)
{
	cursor_t *c;

	Data_Get_Struct(self, cursor_t, c);
	cursorbase_close_or_free(c, 2);

	return Qnil;
}

#id ⇒ Object

cursor.id => string

Returns the cursor ID



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# File 'ext/informixc.c', line 3963

static VALUE
rb_cursorbase_id(VALUE self)
{
	cursor_t *c;

	Data_Get_Struct(self, cursor_t, c);
	return rb_str_new2(c->cursor_id);
}

#open(*args) ⇒ Object

cursor.open(*params) => cursor

Executes the previously prepared select statement, binding params as input parameters.

Returns __self__.



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# File 'ext/informixc.c', line 3981

static VALUE
rb_cursorbase_open(int argc, VALUE *argv, VALUE self)
{
	struct sqlda *input;
	cursor_t *c;
/*
 * 	EXEC SQL begin declare section;
 */
#line 3000 "informixc.ec"
#line 3001 "informixc.ec"
  char *cid, *did;
/*
 * 	EXEC SQL end   declare section;
 */
#line 3002 "informixc.ec"


	Data_Get_Struct(self, cursor_t, c);

	if (c->is_open)
		return self;

	did = c->database_id;
/*
 * 	EXEC SQL set connection :did;
 */
#line 3010 "informixc.ec"
  {
#line 3010 "informixc.ec"
  sqli_connect_set(0, did, 0);
#line 3010 "informixc.ec"
  }
	if (SQLCODE < 0)
		raise_ifx_extended();

	input = &c->daInput;
	cid = c->cursor_id;

	if (c->is_select) {
		if (argc != input->sqld) {
			rb_raise(rb_eArgError, "wrong number of arguments (%d for %d)",
				argc, input->sqld);
		}
		if (argc) {
			bind_input_params(c, argv);
/*
 * 			EXEC SQL open :cid using descriptor input
 * 				with reoptimization;
 */
#line 3024 "informixc.ec"
  {
#line 3025 "informixc.ec"
  sqli_curs_open(ESQLINTVERSION, sqli_curs_locate(ESQLINTVERSION, cid, 256), input, (char *)0, (struct value *)0, 1, 1);
#line 3025 "informixc.ec"
  }
			clean_input_slots(c);
		}
		else
/*
 * 			EXEC SQL open :cid with reoptimization;
 */
#line 3029 "informixc.ec"
  {
#line 3029 "informixc.ec"
  sqli_curs_open(ESQLINTVERSION, sqli_curs_locate(ESQLINTVERSION, cid, 256), (ifx_sqlda_t *)0, (char *)0, (struct value *)0, 0, 1);
#line 3029 "informixc.ec"
  }
	}
	else
/*
 * 		EXEC SQL open :cid;
 */
#line 3032 "informixc.ec"
  {
#line 3032 "informixc.ec"
  sqli_curs_open(ESQLINTVERSION, sqli_curs_locate(ESQLINTVERSION, cid, 256), (ifx_sqlda_t *)0, (char *)0, (struct value *)0, 0, 0);
#line 3032 "informixc.ec"
  }

	if (SQLCODE < 0)
		raise_ifx_extended();

	c->is_open = 1;
	return self;
}