(references <link linkend="catalog-pg-type"><structname>pg_type</structname></link>.<structfield>oid</structfield>)

</para>

<para>

An arraywith the data types of the function arguments. This includes

An arrayof the data types of the function arguments. This includes

only input arguments (including <literal>INOUT</literal> and

<literal>VARIADIC</literal> arguments), and thus represents

the call signature of the function.

(references <link linkend="catalog-pg-type"><structname>pg_type</structname></link>.<structfield>oid</structfield>)

</para>

<para>

An arraywith the data types of the function arguments. This includes

An arrayof the data types of the function arguments. This includes

all arguments (including <literal>OUT</literal> and

<literal>INOUT</literal> arguments); however, if all the

arguments are <literal>IN</literal> arguments, this field will be null.

<structfield>proargmodes</structfield> <type>char[]</type>

</para>

<para>

An arraywith the modes of the function arguments, encoded as

An arrayof the modes of the function arguments, encoded as

<literal>i</literal> for <literal>IN</literal> arguments,

<literal>o</literal> for <literal>OUT</literal> arguments,

<literal>b</literal> for <literal>INOUT</literal> arguments,

<structfield>proargnames</structfield> <type>text[]</type>

</para>

<para>

An arraywith the names of the function arguments.

An arrayof the names of the function arguments.

Arguments without a name are set to empty strings in the array.

If none of the arguments have a name, this field will be null.

Note that subscripts correspond to positions of

<row>

<entry role="catalog_table_entry"><para role="column_definition">

<structfield>protrftypes</structfield> <type>oid[]</type>

(references <link linkend="catalog-pg-type"><structname>pg_type</structname></link>.<structfield>oid</structfield>)

</para>

<para>

Data type OIDs for which to apply transforms.

An array of the argument/result data type(s) for which to apply

transforms (from the function's <literal>TRANSFORM</literal>

clause). Null if none.

</para></entry>

</row>