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44 lines
1.2 KiB
Groff
44 lines
1.2 KiB
Groff
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.\" Automatically generated by Pandoc 2.5
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.\"
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.TH "mysql_field_count" "3" "" "Version 3.2.2" "MariaDB Connector/C"
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.hy
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.SS Name
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.PP
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mysql_field_count \- returns the number of columns for the most recent
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statement
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.SS Synopsis
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.IP
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.nf
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\f[C]
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#include <mysql.h>
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unsigned int mysql_field_count(MYSQL * mysql);
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\f[R]
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.fi
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.SS Description
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.PP
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Returns the number of columns for the most recent statement on the
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connection represented by the link parameter as an unsigned integer.
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This function can be useful when using the
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\f[B]mysql_store_result(3)\f[R] function to determine if the query
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should have produced a non\-empty result set or not without knowing the
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nature of the query.
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.SS Parameters
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.IP \[bu] 2
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\f[C]mysql\f[R] is a connection identifier, which was previously
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allocated by \f[B]mysql_init(3)\f[R] and connected by
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\f[B]mysql_real_connect(3)\f[R].
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.SS Notes
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.PP
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The \f[C]mysql_field_count()\f[R] function should be used to determine
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if there is a result set available.
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.SS Return value:
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.PP
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The number of columns for the most recent statemet.
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The value is zero, if the statemet didn\[cq]t produce a result set.
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.SS See also
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.IP \[bu] 2
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\f[B]mysql_store_result(3)\f[R]
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.IP \[bu] 2
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\f[B]mysql_use_result(3)\f[R]
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