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Remove obsolete pg_constraint.consrc column

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This has been deprecated and effectively unused for a long time.

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
This commit is contained in:
Peter Eisentraut
2018-10-27 11:45:50 +01:00
parent fe5038236c
commit 96b00c433c
11 changed files with 25 additions and 79 deletions
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21
doc/src/sgml/catalogs.sgml
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@ -2400,14 +2400,10 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
<entry><structfield>conbin</structfield></entry>
<entry><type>pg_node_tree</type></entry>
<entry></entry>
<entry>If a check constraint, an internal representation of the expression</entry>
</row>
<row>
<entry><structfield>consrc</structfield></entry>
<entry><type>text</type></entry>
<entry></entry>
<entry>If a check constraint, a human-readable representation of the expression</entry>
<entry>If a check constraint, an internal representation of the
expression. (It's recommended to use
<function>pg_get_constraintdef()</function> to extract the definition of
a check constraint.)</entry>
</row>
</tbody>
</tgroup>
@ -2423,15 +2419,6 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
index.)
</para>
<note>
<para>
<structfield>consrc</structfield> is not updated when referenced objects
change; for example, it won't track renaming of columns. Rather than
relying on this field, it's best to use <function>pg_get_constraintdef()</function>
to extract the definition of a check constraint.
</para>
</note>
<note>
<para>
<literal>pg_class.relchecks</literal> needs to agree with the