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88 lines
3.6 KiB
Plaintext
88 lines
3.6 KiB
Plaintext
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findoidjoins
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This program scans a database, and prints oid fields (also regproc fields)
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and the tables they join to. CAUTION: it is ver-r-r-y slow on a large
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database, or even a not-so-large one. We don't really recommend running
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it on anything but an empty database.
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Uses pgeasy library.
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Run on an empty database, it returns the system join relationships (shown
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below for 6.5). Note that unexpected matches may indicate bogus entries
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in system tables --- don't accept a peculiar match without question.
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In particular, a field shown as joining to more than one target table is
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probably messed up. In 6.5, the *only* field that should join to more
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than one target is pg_description.objoid. (Running make_oidjoins_check
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is an easy way to spot fields joining to more than one table, BTW.)
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The shell script make_oidjoins_check converts findoidjoins' output
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into an SQL script that checks for dangling links (entries in an
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OID or REGPROC column that don't match any row in the expected table).
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Note that fields joining to more than one table are NOT processed.
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The result of make_oidjoins_check should be installed as the "oidjoins"
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regression test. The oidjoins test should be updated after any
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revision in the patterns of cross-links between system tables.
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(Ideally we'd just regenerate the script as part of the regression
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tests themselves, but that seems too slow...)
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---------------------------------------------------------------------------
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Join pg_aggregate.aggtransfn1 => pg_proc.oid
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Join pg_aggregate.aggtransfn2 => pg_proc.oid
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Join pg_aggregate.aggfinalfn => pg_proc.oid
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Join pg_aggregate.aggbasetype => pg_type.oid
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Join pg_aggregate.aggtranstype1 => pg_type.oid
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Join pg_aggregate.aggtranstype2 => pg_type.oid
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Join pg_aggregate.aggfinaltype => pg_type.oid
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Join pg_am.amgettuple => pg_proc.oid
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Join pg_am.aminsert => pg_proc.oid
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Join pg_am.amdelete => pg_proc.oid
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Join pg_am.ambeginscan => pg_proc.oid
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Join pg_am.amrescan => pg_proc.oid
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Join pg_am.amendscan => pg_proc.oid
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Join pg_am.ammarkpos => pg_proc.oid
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Join pg_am.amrestrpos => pg_proc.oid
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Join pg_am.ambuild => pg_proc.oid
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Join pg_amop.amopid => pg_am.oid
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Join pg_amop.amopclaid => pg_opclass.oid
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Join pg_amop.amopopr => pg_operator.oid
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Join pg_amop.amopselect => pg_proc.oid
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Join pg_amop.amopnpages => pg_proc.oid
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Join pg_amproc.amid => pg_am.oid
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Join pg_amproc.amopclaid => pg_opclass.oid
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Join pg_amproc.amproc => pg_proc.oid
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Join pg_attribute.attrelid => pg_class.oid
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Join pg_attribute.atttypid => pg_type.oid
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Join pg_class.reltype => pg_type.oid
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Join pg_class.relam => pg_am.oid
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Join pg_description.objoid => pg_proc.oid
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Join pg_description.objoid => pg_type.oid
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Join pg_index.indexrelid => pg_class.oid
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Join pg_index.indrelid => pg_class.oid
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Join pg_opclass.opcdeftype => pg_type.oid
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Join pg_operator.oprleft => pg_type.oid
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Join pg_operator.oprright => pg_type.oid
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Join pg_operator.oprresult => pg_type.oid
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Join pg_operator.oprcom => pg_operator.oid
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Join pg_operator.oprnegate => pg_operator.oid
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Join pg_operator.oprlsortop => pg_operator.oid
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Join pg_operator.oprrsortop => pg_operator.oid
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Join pg_operator.oprcode => pg_proc.oid
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Join pg_operator.oprrest => pg_proc.oid
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Join pg_operator.oprjoin => pg_proc.oid
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Join pg_proc.prolang => pg_language.oid
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Join pg_proc.prorettype => pg_type.oid
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Join pg_rewrite.ev_class => pg_class.oid
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Join pg_type.typrelid => pg_class.oid
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Join pg_type.typelem => pg_type.oid
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Join pg_type.typinput => pg_proc.oid
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Join pg_type.typoutput => pg_proc.oid
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Join pg_type.typreceive => pg_proc.oid
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Join pg_type.typsend => pg_proc.oid
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---------------------------------------------------------------------------
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Bruce Momjian (root@candle.pha.pa.us)
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