Difference between revisions of "RDO NUM FIELDS()"
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==Purpose== | ==Purpose== | ||
| − | + | Return the number of fields in a result set | |
==Syntax== | ==Syntax== | ||
| − | + | RDO_NUM_FIELDS(<object>) | |
| + | |||
| + | MYSQL_NUM_FIELDS(<object>) | ||
==See Also== | ==See Also== | ||
[[RDO_AFFECTED_ROWS()]], [[RDO_CLOSE()]], [[RDO_CONNECT()]], [[RDO_DATA_SEEK()]], [[RDO_ERRNO()]], [[RDO_ERROR()]], [[RDO_EXEC()]], [[RDO_FETCH_ARRAY()]], [[RDO_FETCH_ASSOC()]], [[RDO_FETCH_FIELD()]], [[RDO_FETCH_LENGTHS()]], [[RDO_FETCH_OBJECT()]], [[RDO_FETCH_ROW()]], [[RDO_FIELD_FLAGS()]], [[RDO_FIELD_LEN()]], [[RDO_FIELD_NAME()]], [[RDO_FIELD_SEEK()]], [[RDO_FIELD_TABLE()]], [[RDO_FIELD_TYPE()]], [[RDO_FREE_OBJECT()]], [[RDO_FREE_RESULT()]], [[RDO_GET_CLIENT_INFO()]], [[RDO_GET_HOST_INFO()]], [[RDO_INFO()]], [[RDO_LIST_DBS()]], [[RDO_NUM_ROWS()]], [[RDO_PING()]], [[RDO_QUERY()]], [[RDO_REAL_ESCAPE_STRING()]], [[RDO_RESULT()]], [[RDO_SELECT_DB()]], [[RDO_STAT()]], [[RDO_THREAD_ID()]], [[RDO_UNBUFFERED_QUERY()]] | [[RDO_AFFECTED_ROWS()]], [[RDO_CLOSE()]], [[RDO_CONNECT()]], [[RDO_DATA_SEEK()]], [[RDO_ERRNO()]], [[RDO_ERROR()]], [[RDO_EXEC()]], [[RDO_FETCH_ARRAY()]], [[RDO_FETCH_ASSOC()]], [[RDO_FETCH_FIELD()]], [[RDO_FETCH_LENGTHS()]], [[RDO_FETCH_OBJECT()]], [[RDO_FETCH_ROW()]], [[RDO_FIELD_FLAGS()]], [[RDO_FIELD_LEN()]], [[RDO_FIELD_NAME()]], [[RDO_FIELD_SEEK()]], [[RDO_FIELD_TABLE()]], [[RDO_FIELD_TYPE()]], [[RDO_FREE_OBJECT()]], [[RDO_FREE_RESULT()]], [[RDO_GET_CLIENT_INFO()]], [[RDO_GET_HOST_INFO()]], [[RDO_INFO()]], [[RDO_LIST_DBS()]], [[RDO_NUM_ROWS()]], [[RDO_PING()]], [[RDO_QUERY()]], [[RDO_REAL_ESCAPE_STRING()]], [[RDO_RESULT()]], [[RDO_SELECT_DB()]], [[RDO_STAT()]], [[RDO_THREAD_ID()]], [[RDO_UNBUFFERED_QUERY()]] | ||
| + | |||
==Description== | ==Description== | ||
| − | The | + | The RDO_NUM_FIELDS() function is used to return the number of fields in a result set. |
| Line 18: | Line 20: | ||
!Keywords||Description | !Keywords||Description | ||
|- | |- | ||
| − | |< | + | |<object>||Result set |
|- | |- | ||
|} | |} | ||
| Line 25: | Line 27: | ||
==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| + | conn = rdo_connect("recital", "localhost", "user", "pass", "southwind") | ||
| + | if conn > -1 | ||
| + | res = rdo_query("select * from shippers", conn) | ||
| + | echo "Resultset contains ", rdo_num_fields(res), " fields\n" | ||
| + | rdo_close(conn) | ||
| + | endif | ||
</code> | </code> | ||
| + | |||
==Products== | ==Products== | ||
| Line 32: | Line 41: | ||
[[Category:Functions]] | [[Category:Functions]] | ||
[[Category:SQL]] | [[Category:SQL]] | ||
| + | [[Category:Remote Data Connectivity]] | ||
[[Category:Remote Data Connectivity Functions]] | [[Category:Remote Data Connectivity Functions]] | ||
Latest revision as of 12:06, 22 June 2010
Purpose
Return the number of fields in a result set
Syntax
RDO_NUM_FIELDS(<object>)
MYSQL_NUM_FIELDS(<object>)
See Also
RDO_AFFECTED_ROWS(), RDO_CLOSE(), RDO_CONNECT(), RDO_DATA_SEEK(), RDO_ERRNO(), RDO_ERROR(), RDO_EXEC(), RDO_FETCH_ARRAY(), RDO_FETCH_ASSOC(), RDO_FETCH_FIELD(), RDO_FETCH_LENGTHS(), RDO_FETCH_OBJECT(), RDO_FETCH_ROW(), RDO_FIELD_FLAGS(), RDO_FIELD_LEN(), RDO_FIELD_NAME(), RDO_FIELD_SEEK(), RDO_FIELD_TABLE(), RDO_FIELD_TYPE(), RDO_FREE_OBJECT(), RDO_FREE_RESULT(), RDO_GET_CLIENT_INFO(), RDO_GET_HOST_INFO(), RDO_INFO(), RDO_LIST_DBS(), RDO_NUM_ROWS(), RDO_PING(), RDO_QUERY(), RDO_REAL_ESCAPE_STRING(), RDO_RESULT(), RDO_SELECT_DB(), RDO_STAT(), RDO_THREAD_ID(), RDO_UNBUFFERED_QUERY()
Description
The RDO_NUM_FIELDS() function is used to return the number of fields in a result set.
| Keywords | Description |
|---|---|
| <object> | Result set |
Example
conn = rdo_connect("recital", "localhost", "user", "pass", "southwind") if conn > -1 res = rdo_query("select * from shippers", conn) echo "Resultset contains ", rdo_num_fields(res), " fields\n" rdo_close(conn) endif
Products
Recital, Recital Server
