Difference between revisions of "RDO FIELD LEN()"
Yvonnemilne (Talk | contribs) |
Yvonnemilne (Talk | contribs) |
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==Purpose== | ==Purpose== | ||
| − | Return the length of a field in a | + | Return the length of a field in a result set |
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==Description== | ==Description== | ||
| − | The RDO_FIELD_LEN() function is used to return the length of a field in a | + | The RDO_FIELD_LEN() function is used to return the length of a field in a result set. |
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!Keywords||Description | !Keywords||Description | ||
|- | |- | ||
| − | |<object>|| | + | |<object>||Result set |
|- | |- | ||
|<expN>||Column number | |<expN>||Column number | ||
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==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) | ||
| + | for i = 0 to rdo_num_fields() | ||
| + | echo rdo_field_type(res,i), " = type\n" | ||
| + | echo rdo_field_name(res,i), " = name\n" | ||
| + | echo rdo_field_len(res,i), " = len\n" | ||
| + | echo rdo_field_flags(res,i), " = flags\n" | ||
| + | next | ||
| + | rdo_close(conn) | ||
| + | endif | ||
</code> | </code> | ||
| + | |||
==Products== | ==Products== | ||
Revision as of 16:29, 30 March 2010
Purpose
Return the length of a field in a result set
Syntax
RDO_FIELD_LEN(<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_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_PING(), RDO_QUERY(), RDO_REAL_ESCAPE_STRING(), RDO_RESULT(), RDO_SELECT_DB(), RDO_STAT(), RDO_THREAD_ID(), RDO_UNBUFFERED_QUERY()
Description
The RDO_FIELD_LEN() function is used to return the length of a field in a result set.
| Keywords | Description |
|---|---|
| <object> | Result set |
| <expN> | Column number |
Example
conn = rdo_connect("recital", "localhost", "user", "pass","southwind") if conn > -1 res = rdo_query("select * from shippers", conn) for i = 0 to rdo_num_fields() echo rdo_field_type(res,i), " = type\n" echo rdo_field_name(res,i), " = name\n" echo rdo_field_len(res,i), " = len\n" echo rdo_field_flags(res,i), " = flags\n" next rdo_close(conn) endif
Products
Recital, Recital Server
