May 17, 2026, 11:40 PM

2026-05-18 06:40:19 +00:00
commit 64944cf004
896 changed files with 310709 additions and 0 deletions
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# SHOWS FOREIGN KEY COUNT FOR EACH TABLE
+# THEN SHOWS FOREIGN KEYS FOR EACH TABLE
+
+PORT=""
+USER=""
+
+usage() {
+    echo "Usage: $0 -d <dbname> [-U <user> -p <port>]"
+    exit 1
+}
+
+while getopts "d:p:uU:" OPT;
+do case "${OPT}" in
+      d) DBNAME=$OPTARG
+	 ;;
+      p) PORT="-p $OPTARG"
+	 ;;
+      U) USER="-U $OPTARG"
+	 ;;
+      u) usage
+	 ;;
+    [?]) usage
+   esac;
+done
+
+if [ "$DBNAME" = "" ]
+  then
+    usage
+fi
+
+psql $PORT $USER $DBNAME <<_CODE_
+
+SELECT n.nspname as schema,
+       t.relname as table,
+       count(c.conname)
+  FROM pg_class t
+  JOIN pg_constraint c ON ( c.conrelid = t.OID AND c.contype = 'f')
+  JOIN pg_namespace n ON (n.oid = t.relnamespace)
+ WHERE relkind = 'r'
+   AND t.relname NOT LIKE 'pg_%'
+   AND t.relname NOT LIKE 'sql_%'
+   GROUP BY 1, 2
+   ORDER BY 1, 3;
+
+SELECT n.nspname as schema,
+       t.relname as table,
+       c.conname as fk_name
+  FROM pg_class t
+  JOIN pg_constraint c ON ( c.conrelid = t.OID AND c.contype = 'f')
+  JOIN pg_namespace n ON (n.oid = t.relnamespace)
+ WHERE relkind = 'r'
+   AND t.relname NOT LIKE 'pg_%'
+   AND t.relname NOT LIKE 'sql_%'
+   ORDER BY 1, 2, 3;
+
+_CODE_