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get_object_address: separate domain constraints from table constraints

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Apart from enabling comments on domain constraints, this enables a
future project to replicate object dropping to remote servers: with the
current mechanism there's no way to distinguish between the two types of
constraints, so there's no way to know what to drop.

Also added support for the domain constraint comments in psql's \dd and
pg_dump.

Catalog version bumped due to the change in ObjectType enum.
This commit is contained in:
Alvaro Herrera
2014-12-23 09:06:44 -03:00
parent 584e35d17c
commit 7eca575d1c
13 changed files with 141 additions and 19 deletions
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14
doc/src/sgml/ref/comment.sgml
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@ -28,6 +28,7 @@ COMMENT ON
COLLATION <replaceable class="PARAMETER">object_name</replaceable> |
COLUMN <replaceable class="PARAMETER">relation_name</replaceable>.<replaceable class="PARAMETER">column_name</replaceable> |
CONSTRAINT <replaceable class="PARAMETER">constraint_name</replaceable> ON <replaceable class="PARAMETER">table_name</replaceable> |
CONSTRAINT <replaceable class="PARAMETER">constraint_name</replaceable> ON DOMAIN <replaceable class="PARAMETER">domain_name</replaceable> |
CONVERSION <replaceable class="PARAMETER">object_name</replaceable> |
DATABASE <replaceable class="PARAMETER">object_name</replaceable> |
DOMAIN <replaceable class="PARAMETER">object_name</replaceable> |
@ -126,6 +127,18 @@ COMMENT ON
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">table_name</replaceable></term>
<term><replaceable class="parameter">domain_name</replaceable></term>
<listitem>
<para>
When creating a comment on a constraint on a table or a domain, these
parameteres specify the name of the table or domain on which the
constraint is defined.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable>source_type</replaceable></term>
<listitem>
@ -266,6 +279,7 @@ COMMENT ON COLLATION "fr_CA" IS 'Canadian French';
COMMENT ON COLUMN my_table.my_column IS 'Employee ID number';
COMMENT ON CONVERSION my_conv IS 'Conversion to UTF8';
COMMENT ON CONSTRAINT bar_col_cons ON bar IS 'Constrains column col';
COMMENT ON CONSTRAINT dom_col_constr ON DOMAIN dom IS 'Constrains col of domain';
COMMENT ON DATABASE my_database IS 'Development Database';
COMMENT ON DOMAIN my_domain IS 'Email Address Domain';
COMMENT ON EXTENSION hstore IS 'implements the hstore data type';