doc: TOAST not toast

There are different capitializations of "TOAST" around the
documentation and code.  This just changes a few places that were more
obviously inconsistent with similar phrases elsewhere.

Author: Peter Smith <peter.b.smith@fujitsu.com>
Discussion: https://www.postgresql.org/message-id/flat/CAHut+PtxXLJFhwJFvx+M=Ux8WGHU85XbT3nDqk-aAUS3E5ANCw@mail.gmail.com

doc/src/sgml/amcheck.sgml

@@ -278,8 +278,8 @@ SET client_min_messages = DEBUG1;
          TOAST table.
         </para>
         <para>
-         This option is known to be slow.  Also, if the toast table or its
+         This option is known to be slow.  Also, if the TOAST table or its
-         index is corrupt, checking it against toast values could conceivably
+         index is corrupt, checking it against TOAST values could conceivably
          crash the server, although in many cases this would just produce an
          error.
         </para>

doc/src/sgml/bki.sgml

@@ -1042,7 +1042,7 @@ $ perl  rewrite_dat_with_prokind.pl  pg_proc.dat
     </listitem>
     <listitem>
      <para>
-      Define indexes and toast tables.
+      Define indexes and TOAST tables.
      </para>
     </listitem>
     <listitem>

doc/src/sgml/catalogs.sgml

@@ -1951,7 +1951,7 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
       </para>
       <para>
        The OID of the data type that corresponds to this table's row type,
-       if any; zero for indexes, sequences, and toast tables, which have
+       if any; zero for indexes, sequences, and TOAST tables, which have
        no <structname>pg_type</structname> entry
       </para></entry>
      </row>

doc/src/sgml/logicaldecoding.sgml

@@ -1412,7 +1412,7 @@ commit_prepared_cb(...);  <-- commit of the prepared transaction
     currently used for decoded changes) is selected and streamed.  However, in
     some cases we still have to spill to disk even if streaming is enabled
     because we exceed the memory threshold but still have not decoded the
-    complete tuple e.g., only decoded toast table insert but not the main table
+    complete tuple e.g., only decoded TOAST table insert but not the main table
     insert.
    </para>
 

doc/src/sgml/ref/alter_table.sgml

@@ -852,7 +852,7 @@ WITH ( MODULUS <replaceable class="parameter">numeric_literal</replaceable>, REM
 
      <para>
       <literal>SHARE UPDATE EXCLUSIVE</literal> lock will be taken for
-      fillfactor, toast and autovacuum storage parameters, as well as the
+      fillfactor, TOAST and autovacuum storage parameters, as well as the
       planner parameter <varname>parallel_workers</varname>.
      </para>
     </listitem>

doc/src/sgml/ref/pg_amcheck.sgml

@@ -41,7 +41,7 @@ PostgreSQL documentation
   </para>
 
   <para>
-   Only ordinary and toast table relations, materialized views, sequences, and
+   Only ordinary and TOAST table relations, materialized views, sequences, and
    btree indexes are currently supported.  Other relation types are silently
    skipped.
   </para>
@@ -276,7 +276,7 @@ PostgreSQL documentation
      <term><option>--no-dependent-toast</option></term>
      <listitem>
       <para>
-       By default, if a table is checked, its toast table, if any, will also
+       By default, if a table is checked, its TOAST table, if any, will also
        be checked, even if it is not explicitly selected by an option
        such as <literal>--table</literal> or <literal>--relation</literal>.
        This option suppresses that behavior.
@@ -306,9 +306,9 @@ PostgreSQL documentation
      <term><option>--exclude-toast-pointers</option></term>
      <listitem>
       <para>
-       By default, whenever a toast pointer is encountered in a table,
+       By default, whenever a TOAST pointer is encountered in a table,
        a lookup is performed to ensure that it references apparently-valid
-       entries in the toast table. These checks can be quite slow, and this
+       entries in the TOAST table. These checks can be quite slow, and this
        option can be used to skip them.
       </para>
      </listitem>
@@ -368,9 +368,9 @@ PostgreSQL documentation
        End checking at the specified block number.  An error will occur if the
        table relation being checked has fewer than this number of blocks.
        This option does not apply to indexes, and is probably only useful when
-       checking a single table relation. If both a regular table and a toast
+       checking a single table relation. If both a regular table and a TOAST
        table are checked, this option will apply to both, but higher-numbered
-       toast blocks may still be accessed while validating toast pointers,
+       TOAST blocks may still be accessed while validating TOAST pointers,
        unless that is suppressed using
        <option>--exclude-toast-pointers</option>.
       </para>

doc/src/sgml/sepgsql.sgml

@@ -442,7 +442,7 @@ UPDATE t1 SET x = 2, y = func1(y) WHERE z = 100;
    <para>
     The default database privilege system allows database superusers to
     modify system catalogs using DML commands, and reference or modify
-    toast tables.  These operations are prohibited when
+    TOAST tables.  These operations are prohibited when
     <filename>sepgsql</filename> is enabled.
    </para>
   </sect3>