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c21214f1c0
Add the script name to the tmp directory name. Move trap up now that the dir is more unique.
69 lines
1.5 KiB
Bash
Executable File
69 lines
1.5 KiB
Bash
Executable File
#! /bin/sh
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# You first run findoidjoins on the template1 database, and send that
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# output into this script to generate a list of SQL statements.
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# NOTE: any field that findoidjoins thinks joins to more than one table
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# will NOT be checked by the output of this script. You should be
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# suspicious of multiple entries in findoidjoins' output.
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# Caution: you may need to use GNU awk.
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AWK=${AWK:-awk}
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TMP="${TMPDIR:-/tmp}/make_oidjoins_check.$$"
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trap "rm -rf $TMP" 0 1 2 3 15
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# Create a temporary directory with the proper permissions so no one can
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# intercept our temporary files and cause a security breach.
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OMASK="`umask`"
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umask 077
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if ! mkdir $TMP
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then echo "Can't create temporary directory $TMP." 1>&2
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exit 1
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fi
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umask "$OMASK"
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unset OMASK
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INPUTFILE="$TMP/a"
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DUPSFILE="$TMP/b"
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NONDUPSFILE="$TMP/c"
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# Read input
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cat "$@" >$INPUTFILE
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# Look for fields with multiple references.
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cat $INPUTFILE | cut -d' ' -f2 | sort | uniq -d >$DUPSFILE
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if [ -s $DUPSFILE ] ; then
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echo "Ignoring these fields that link to multiple tables:" 1>&2
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cat $DUPSFILE 1>&2
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fi
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# Get the non-multiply-referenced fields.
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cat $INPUTFILE | while read LINE
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do
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set -- $LINE
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grep "^$2\$" $DUPSFILE >/dev/null 2>&1 || echo $LINE
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done >$NONDUPSFILE
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# Generate the output.
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cat $NONDUPSFILE |
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$AWK -F'[ \.]' '\
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BEGIN \
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{
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printf "\
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--\n\
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-- This is created by pgsql/contrib/findoidjoins/make_oidjoin_check\n\
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--\n";
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}
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{
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printf "\
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SELECT ctid, %s \n\
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FROM %s.%s fk \n\
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WHERE %s != 0 AND \n\
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NOT EXISTS(SELECT 1 FROM %s.%s pk WHERE pk.oid = fk.%s);\n",
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$4, $2, $3, $4,
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$6, $7, $4;
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}'
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exit 0
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