Difference between revisions of "RDO PING()"
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==Purpose== | ==Purpose== | ||
Check whether a server connection is active | Check whether a server connection is active | ||
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==Syntax== | ==Syntax== | ||
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MYSQL_PING(<expN>) | MYSQL_PING(<expN>) | ||
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==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_FIELDS()]], [[RDO_NUM_ROWS()]], [[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_FIELDS()]], [[RDO_NUM_ROWS()]], [[RDO_QUERY()]], [[RDO_REAL_ESCAPE_STRING()]], [[RDO_RESULT()]], [[RDO_SELECT_DB()]], [[RDO_STAT()]], [[RDO_THREAD_ID()]], [[RDO_UNBUFFERED_QUERY()]] | ||
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==Description== | ==Description== | ||
The RDO_PING() function is used to check whether a server connection is active. | The RDO_PING() function is used to check whether a server connection is active. | ||
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{| class="wikitable" | {| class="wikitable" | ||
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|- | |- | ||
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==Example== | ==Example== | ||
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</code> | </code> | ||
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[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
Revision as of 10:40, 7 December 2012
Contents
Purpose
Check whether a server connection is active
Syntax
RDO_PING(<expN>)
MYSQL_PING(<expN>)
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_FIELDS(), RDO_NUM_ROWS(), RDO_QUERY(), RDO_REAL_ESCAPE_STRING(), RDO_RESULT(), RDO_SELECT_DB(), RDO_STAT(), RDO_THREAD_ID(), RDO_UNBUFFERED_QUERY()
Description
The RDO_PING() function is used to check whether a server connection is active.
| Keywords | Description |
|---|---|
| <expN> | Connection reference from RDO_CONNECT() |
Example
conn = rdo_connect("recital", "localhost", "?", "?","southwind") echo rdo_ping(conn), "\n" rdo_close(conn)
