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| author | Peter Eisentraut <peter_e@gmx.net> | 2018-10-27 11:25:20 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2018-11-01 20:35:42 +0100 |
| commit | fe5038236c6b99d48c2faa2247b5cec9703add2a (patch) | |
| tree | a2c6f1e82dcac5f0e2ab9c654aa7f29983ffa822 /doc/src | |
| parent | 8a99f8a82775cee3fd35abb21a29b5b2dfc31cf5 (diff) | |
| download | postgresql-fe5038236c6b99d48c2faa2247b5cec9703add2a.tar.gz postgresql-fe5038236c6b99d48c2faa2247b5cec9703add2a.zip | |
Remove obsolete pg_attrdef.adsrc column
This has been deprecated and effectively unused for a long time.
Reviewed-by: Alvaro Herrera <alvherre@2ndquadrant.com>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/catalogs.sgml | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml index 4256516c085..e7165bdc5d5 100644 --- a/doc/src/sgml/catalogs.sgml +++ b/doc/src/sgml/catalogs.sgml @@ -947,27 +947,13 @@ <entry><structfield>adbin</structfield></entry> <entry><type>pg_node_tree</type></entry> <entry></entry> - <entry>The internal representation of the column default value</entry> - </row> - - <row> - <entry><structfield>adsrc</structfield></entry> - <entry><type>text</type></entry> - <entry></entry> - <entry>A human-readable representation of the default value</entry> + <entry>The column default value, in <function>nodeToString()</function> + representation. Use <literal>pg_get_expr(adbin, adrelid)</literal> to + convert it to an SQL expression.</entry> </row> </tbody> </tgroup> </table> - - <para> - The <structfield>adsrc</structfield> field is historical, and is best - not used, because it does not track outside changes that might affect - the representation of the default value. Reverse-compiling the - <structfield>adbin</structfield> field (with <function>pg_get_expr</function> for - example) is a better way to display the default value. - </para> - </sect1> |