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Green_GoodERP18_FSJ_Standard/PostgreSQL/doc/postgresql/html/infoschema-parameters.html

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  1. <?xml version="1.0" encoding="UTF-8" standalone="no"?>

  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>36.33. parameters</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets V1.79.1" /><link rel="prev" href="infoschema-key-column-usage.html" title="36.32. key_column_usage" /><link rel="next" href="infoschema-referential-constraints.html" title="36.34. referential_constraints" /></head><body><div xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">36.33. <code xmlns="http://www.w3.org/1999/xhtml" class="literal">parameters</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-key-column-usage.html" title="36.32. key_column_usage">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 36. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 36. The Information Schema</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 12.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="infoschema-referential-constraints.html" title="36.34. referential_constraints">Next</a></td></tr></table><hr></hr></div><div class="sect1" id="INFOSCHEMA-PARAMETERS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">36.33. <code class="literal">parameters</code></h2></div></div></div><p>

  3.    The view <code class="literal">parameters</code> contains information about

  4.    the parameters (arguments) of all functions in the current database.

  5.    Only those functions are shown that the current user has access to

  6.    (by way of being the owner or having some privilege).

  7.   </p><div class="table" id="id-1.7.6.37.3"><p class="title"><strong>Table 36.31. <code class="literal">parameters</code> Columns</strong></p><div class="table-contents"><table class="table" summary="parameters Columns" border="1"><colgroup><col /><col /><col /></colgroup><thead><tr><th>Name</th><th>Data Type</th><th>Description</th></tr></thead><tbody><tr><td><code class="literal">specific_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Name of the database containing the function (always the current database)</td></tr><tr><td><code class="literal">specific_schema</code></td><td><code class="type">sql_identifier</code></td><td>Name of the schema containing the function</td></tr><tr><td><code class="literal">specific_name</code></td><td><code class="type">sql_identifier</code></td><td>

  8.        The <span class="quote">“<span class="quote">specific name</span>”</span> of the function.  See <a class="xref" href="infoschema-routines.html" title="36.41. routines">Section 36.41</a> for more information.

  9.       </td></tr><tr><td><code class="literal">ordinal_position</code></td><td><code class="type">cardinal_number</code></td><td>

  10.        Ordinal position of the parameter in the argument list of the

  11.        function (count starts at 1)

  12.       </td></tr><tr><td><code class="literal">parameter_mode</code></td><td><code class="type">character_data</code></td><td>

  13.        <code class="literal">IN</code> for input parameter,

  14.        <code class="literal">OUT</code> for output parameter,

  15.        and <code class="literal">INOUT</code> for input/output parameter.

  16.       </td></tr><tr><td><code class="literal">is_result</code></td><td><code class="type">yes_or_no</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">as_locator</code></td><td><code class="type">yes_or_no</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">parameter_name</code></td><td><code class="type">sql_identifier</code></td><td>Name of the parameter, or null if the parameter has no name</td></tr><tr><td><code class="literal">data_type</code></td><td><code class="type">character_data</code></td><td>

  17.        Data type of the parameter, if it is a built-in type, or

  18.        <code class="literal">ARRAY</code> if it is some array (in that case, see

  19.        the view <code class="literal">element_types</code>), else

  20.        <code class="literal">USER-DEFINED</code> (in that case, the type is

  21.        identified in <code class="literal">udt_name</code> and associated

  22.        columns).

  23.       </td></tr><tr><td><code class="literal">character_maximum_length</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">character_octet_length</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">character_set_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">character_set_schema</code></td><td><code class="type">sql_identifier</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">character_set_name</code></td><td><code class="type">sql_identifier</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">collation_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">collation_schema</code></td><td><code class="type">sql_identifier</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">collation_name</code></td><td><code class="type">sql_identifier</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">numeric_precision</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">numeric_precision_radix</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">numeric_scale</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">datetime_precision</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">interval_type</code></td><td><code class="type">character_data</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">interval_precision</code></td><td><code class="type">cardinal_number</code></td><td>Always null, since this information is not applied to parameter data types in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">udt_catalog</code></td><td><code class="type">sql_identifier</code></td><td>

  24.        Name of the database that the data type of the parameter is

  25.        defined in (always the current database)

  26.       </td></tr><tr><td><code class="literal">udt_schema</code></td><td><code class="type">sql_identifier</code></td><td>

  27.        Name of the schema that the data type of the parameter is

  28.        defined in

  29.       </td></tr><tr><td><code class="literal">udt_name</code></td><td><code class="type">sql_identifier</code></td><td>

  30.        Name of the data type of the parameter

  31.       </td></tr><tr><td><code class="literal">scope_catalog</code></td><td><code class="type">sql_identifier</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">scope_schema</code></td><td><code class="type">sql_identifier</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">scope_name</code></td><td><code class="type">sql_identifier</code></td><td>Applies to a feature not available in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">maximum_cardinality</code></td><td><code class="type">cardinal_number</code></td><td>Always null, because arrays always have unlimited maximum cardinality in <span class="productname">PostgreSQL</span></td></tr><tr><td><code class="literal">dtd_identifier</code></td><td><code class="type">sql_identifier</code></td><td>

  32.        An identifier of the data type descriptor of the parameter,

  33.        unique among the data type descriptors pertaining to the

  34.        function.  This is mainly useful for joining with other

  35.        instances of such identifiers.  (The specific format of the

  36.        identifier is not defined and not guaranteed to remain the same

  37.        in future versions.)

  38.       </td></tr><tr><td><code class="literal">parameter_default</code></td><td><code class="type">character_data</code></td><td>

  39.        The default expression of the parameter, or null if none or if the

  40.        function is not owned by a currently enabled role.

  41.       </td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="infoschema-key-column-usage.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-referential-constraints.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">36.32. <code class="literal">key_column_usage</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> 36.34. <code class="literal">referential_constraints</code></td></tr></table></div></body></html>
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