diff options
Diffstat (limited to 'doc/src/sgml/html/infoschema-table-constraints.html')
| -rw-r--r-- | doc/src/sgml/html/infoschema-table-constraints.html | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/doc/src/sgml/html/infoschema-table-constraints.html b/doc/src/sgml/html/infoschema-table-constraints.html new file mode 100644 index 0000000..a82b03c --- /dev/null +++ b/doc/src/sgml/html/infoschema-table-constraints.html @@ -0,0 +1,73 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!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>37.52. table_constraints</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 Vsnapshot" /><link rel="prev" href="infoschema-sql-sizing.html" title="37.51. sql_sizing" /><link rel="next" href="infoschema-table-privileges.html" title="37.53. table_privileges" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">37.52. <code class="literal">table_constraints</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="infoschema-sql-sizing.html" title="37.51. sql_sizing">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><th width="60%" align="center">Chapter 37. The Information Schema</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="infoschema-table-privileges.html" title="37.53. table_privileges">Next</a></td></tr></table><hr /></div><div class="sect1" id="INFOSCHEMA-TABLE-CONSTRAINTS"><div class="titlepage"><div><div><h2 class="title" style="clear: both">37.52. <code class="literal">table_constraints</code></h2></div></div></div><p> + The view <code class="literal">table_constraints</code> contains all + constraints belonging to tables that the current user owns or has + some privilege other than <code class="literal">SELECT</code> on. + </p><div class="table" id="id-1.7.6.56.3"><p class="title"><strong>Table 37.50. <code class="structname">table_constraints</code> Columns</strong></p><div class="table-contents"><table class="table" summary="table_constraints Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition"> + Column Type + </p> + <p> + Description + </p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">constraint_catalog</code> <code class="type">sql_identifier</code> + </p> + <p> + Name of the database that contains the constraint (always the current database) + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">constraint_schema</code> <code class="type">sql_identifier</code> + </p> + <p> + Name of the schema that contains the constraint + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">constraint_name</code> <code class="type">sql_identifier</code> + </p> + <p> + Name of the constraint + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">table_catalog</code> <code class="type">sql_identifier</code> + </p> + <p> + Name of the database that contains the table (always the current database) + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">table_schema</code> <code class="type">sql_identifier</code> + </p> + <p> + Name of the schema that contains the table + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">table_name</code> <code class="type">sql_identifier</code> + </p> + <p> + Name of the table + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">constraint_type</code> <code class="type">character_data</code> + </p> + <p> + Type of the constraint: <code class="literal">CHECK</code>, + <code class="literal">FOREIGN KEY</code>, <code class="literal">PRIMARY KEY</code>, + or <code class="literal">UNIQUE</code> + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">is_deferrable</code> <code class="type">yes_or_no</code> + </p> + <p> + <code class="literal">YES</code> if the constraint is deferrable, <code class="literal">NO</code> if not + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">initially_deferred</code> <code class="type">yes_or_no</code> + </p> + <p> + <code class="literal">YES</code> if the constraint is deferrable and initially deferred, <code class="literal">NO</code> if not + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">enforced</code> <code class="type">yes_or_no</code> + </p> + <p> + Applies to a feature not available in + <span class="productname">PostgreSQL</span> (currently always + <code class="literal">YES</code>) + </p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition"> + <code class="structfield">nulls_distinct</code> <code class="type">yes_or_no</code> + </p> + <p> + If the constraint is a unique constraint, then <code class="literal">YES</code> + if the constraint treats nulls as distinct or <code class="literal">NO</code> if + it treats nulls as not distinct, otherwise null for other types of + constraints. + </p></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-sql-sizing.html" title="37.51. sql_sizing">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="information-schema.html" title="Chapter 37. The Information Schema">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="infoschema-table-privileges.html" title="37.53. table_privileges">Next</a></td></tr><tr><td width="40%" align="left" valign="top">37.51. <code class="literal">sql_sizing</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 37.53. <code class="literal">table_privileges</code></td></tr></table></div></body></html>
\ No newline at end of file |