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>sesam_fetch_result</H1
><DIV
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><A
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></A
><P
> (PHP 3 CVS only)</P
>sesam_fetch_result -- Return all or part of a query result</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN69233"
></A
><H2
>Description</H2
>mixed <B
CLASS="methodname"
>sesam_fetch_result</B
> ( string result_id [, int max_rows])<BR
></BR
><P
> Returns a mixed array with the query result entries, optionally
limited to a maximum of <TT
CLASS="parameter"
><I
>max_rows</I
></TT
> rows.
Note that both row and column indexes are zero-based.
<DIV
CLASS="table"
><A
NAME="AEN69246"
></A
><P
><B
>Tabla 1.
Mixed result set returned by <B
CLASS="function"
>sesam_fetch_result()</B
>
</B
></P
><TABLE
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><THEAD
><TR
><TH
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>Array Element</TH
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Contents</TH
></TR
></THEAD
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>int $arr["count"]</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
> number of columns in result set (or zero if this was an
"immediate" query)
</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>int $arr["rows"]</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
> number of rows in result set (between zero and
<TT
CLASS="parameter"
><I
>max_rows</I
></TT
>)
</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>bool $arr["truncated"]</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
> <TT
CLASS="constant"
><B
>TRUE</B
></TT
> if the number of rows was at least
<TT
CLASS="parameter"
><I
>max_rows</I
></TT
>, <TT
CLASS="constant"
><B
>FALSE</B
></TT
>
otherwise. Note that even when this is
<TT
CLASS="constant"
><B
>TRUE</B
></TT
>, the next
<B
CLASS="function"
>sesam_fetch_result()</B
> call may return zero
rows because there are no more result entries.
</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>mixed $arr[col][row]</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
> result data for all the fields at
row(<TT
CLASS="literal"
>row</TT
>) and
column(<TT
CLASS="literal"
>col</TT
>), (where the integer index
<TT
CLASS="literal"
>row</TT
> is between 0 and
<TT
CLASS="literal"
>$arr["rows"]-1</TT
>, and
<TT
CLASS="literal"
>col</TT
> is between 0 and
<TT
CLASS="literal"
>$arr["count"]-1</TT
>). Fields may be empty, so
you must check for the existence of a field by using the php
<A
HREF="function.isset.html"
><B
CLASS="function"
>isset()</B
></A
> function. The type of the
returned fields depend on the respective SQL type declared
for its column (see <A
HREF="ref.sesam.html"
>SESAM
overview</A
> for the conversions applied). SESAM
"multiple fields" are "inlined" and treated like a sequence
of columns.
</TD
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>
Note that the amount of memory used up by a large query may be
gigantic. Use the <TT
CLASS="parameter"
><I
>max_rows</I
></TT
> parameter to
limit the maximum number of rows returned, unless you are
absolutely sure that your result will not use up all available
memory.
</P
><P
> See also: <A
HREF="function.sesam-fetch-row.html"
><B
CLASS="function"
>sesam_fetch_row()</B
></A
>, and
<A
HREF="function.sesam-field-array.html"
><B
CLASS="function"
>sesam_field_array()</B
></A
> to check for "multiple
fields". See the description of the
<A
HREF="function.sesam-query.html"
><B
CLASS="function"
>sesam_query()</B
></A
> function for a complete example
using <B
CLASS="function"
>sesam_fetch_result()</B
>.
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