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体验新版 GitCode,发现更多精彩内容 >>
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5319ba38
编写于
10月 19, 2003
作者:
T
Tom Lane
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Update README file to show 7.4 oidjoins relationships. The regression
test was updated previously, but documentation is lagging.
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contrib/findoidjoins/README.findoidjoins
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contrib/findoidjoins/README.findoidjoins
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5319ba38
...
...
@@ -7,10 +7,10 @@ anything but an empty database, such as template1; else it's likely to
be very slow.
Run on an empty database, it returns the system join relationships (shown
below for 7.
3
). Note that unexpected matches may indicate bogus entries
below for 7.
4
). Note that unexpected matches may indicate bogus entries
in system tables --- don't accept a peculiar match without question.
In particular, a field shown as joining to more than one target table is
probably messed up. In 7.
3
, the *only* fields that should join to more
probably messed up. In 7.
4
, the *only* fields that should join to more
than one target are pg_description.objoid, pg_depend.objid, and
pg_depend.refobjid. (Running make_oidjoins_check is an easy way to spot
fields joining to more than one table, BTW.)
...
...
@@ -26,10 +26,12 @@ revision in the patterns of cross-links between system tables.
(Ideally we'd just regenerate the script as part of the regression
tests themselves, but that seems too slow...)
NOTE: in 7.
3, make_oidjoins_check produces two bogus join checks
:
NOTE: in 7.
4, make_oidjoins_check produces one bogus join check
:
Join pg_catalog.pg_class.relfilenode => pg_catalog.pg_class.oid
Join pg_catalog.pg_database.datlastsysoid => pg_catalog.pg_conversion.oid
These are artifacts and should not be added to the oidjoins regress test.
This is an artifact and should not be added to the oidjoins regress test.
Also beware of any claim that pg_database.datlastsysoid joins to anything;
this does not actually happen in 7.4, but it did happen before and might
happen again in future, depending on what operation initdb does last.
---------------------------------------------------------------------------
...
...
@@ -46,6 +48,7 @@ Join pg_catalog.pg_am.ammarkpos => pg_catalog.pg_proc.oid
Join pg_catalog.pg_am.amrestrpos => pg_catalog.pg_proc.oid
Join pg_catalog.pg_am.ambuild => pg_catalog.pg_proc.oid
Join pg_catalog.pg_am.ambulkdelete => pg_catalog.pg_proc.oid
Join pg_catalog.pg_am.amvacuumcleanup => pg_catalog.pg_proc.oid
Join pg_catalog.pg_am.amcostestimate => pg_catalog.pg_proc.oid
Join pg_catalog.pg_amop.amopclaid => pg_catalog.pg_opclass.oid
Join pg_catalog.pg_amop.amopopr => pg_catalog.pg_operator.oid
...
...
@@ -61,6 +64,8 @@ Join pg_catalog.pg_class.reltype => pg_catalog.pg_type.oid
Join pg_catalog.pg_class.relam => pg_catalog.pg_am.oid
Join pg_catalog.pg_class.reltoastrelid => pg_catalog.pg_class.oid
Join pg_catalog.pg_class.reltoastidxid => pg_catalog.pg_class.oid
Join pg_catalog.pg_constraint.connamespace => pg_catalog.pg_namespace.oid
Join pg_catalog.pg_constraint.contypid => pg_catalog.pg_type.oid
Join pg_catalog.pg_conversion.connamespace => pg_catalog.pg_namespace.oid
Join pg_catalog.pg_conversion.conproc => pg_catalog.pg_proc.oid
Join pg_catalog.pg_depend.classid => pg_catalog.pg_class.oid
...
...
@@ -100,6 +105,9 @@ Join pg_catalog.pg_type.typrelid => pg_catalog.pg_class.oid
Join pg_catalog.pg_type.typelem => pg_catalog.pg_type.oid
Join pg_catalog.pg_type.typinput => pg_catalog.pg_proc.oid
Join pg_catalog.pg_type.typoutput => pg_catalog.pg_proc.oid
Join pg_catalog.pg_type.typreceive => pg_catalog.pg_proc.oid
Join pg_catalog.pg_type.typsend => pg_catalog.pg_proc.oid
Join pg_catalog.pg_type.typbasetype => pg_catalog.pg_type.oid
---------------------------------------------------------------------------
...
...
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