Fix collection of typos in the code and the documentation

Some words were duplicated while other places were grammatically
incorrect, including one variable name in the code.

Author: Otto Kekalainen, Justin Pryzby
Discussion: https://postgr.es/m/7DDBEFC5-09B6-4325-B942-B563D1A24BDC@amazon.com

src/backend/access/heap/pruneheap.c

@@ -69,7 +69,7 @@ typedef struct
 	/*
 	 * Tuple visibility is only computed once for each tuple, for correctness
 	 * and efficiency reasons; see comment in heap_page_prune() for
-	 * details. This is of type int8[,] intead of HTSV_Result[], so we can use
+	 * details. This is of type int8[,] instead of HTSV_Result[], so we can use
 	 * -1 to indicate no visibility has been computed, e.g. for LP_DEAD items.
 	 *
 	 * Same indexing as ->marked.

src/backend/access/transam/xlog.c

@@ -5870,7 +5870,7 @@ GetRedoRecPtr(void)
  * full-page image to be included in the WAL record.
  *
  * The returned values are cached copies from backend-private memory, and
- * possibly out-of-date or, indeed, uninitalized, in which case they will
+ * possibly out-of-date or, indeed, uninitialized, in which case they will
  * be InvalidXLogRecPtr and false, respectively.  XLogInsertRecord will
  * re-check them against up-to-date values, while holding the WAL insert lock.
  */

src/backend/catalog/index.c

@@ -918,7 +918,7 @@ index_create(Relation heapRelation,
 			indexRelationId = binary_upgrade_next_index_pg_class_oid;
 			binary_upgrade_next_index_pg_class_oid = InvalidOid;
 
-			/* Overide the index relfilenode */
+			/* Override the index relfilenode */
 			if ((relkind == RELKIND_INDEX) &&
 				(!OidIsValid(binary_upgrade_next_index_pg_class_relfilenode)))
 				ereport(ERROR,

src/backend/commands/explain.c

@@ -3102,7 +3102,7 @@ show_memoize_info(MemoizeState *mstate, List *ancestors, ExplainState *es)
 	ListCell   *lc;
 	List	   *context;
 	StringInfoData keystr;
-	char	   *seperator = "";
+	char	   *separator = "";
 	bool		useprefix;
 	int64		memPeakKb;
 
@@ -3123,11 +3123,11 @@ show_memoize_info(MemoizeState *mstate, List *ancestors, ExplainState *es)
 	{
 		Node	   *expr = (Node *) lfirst(lc);
 
-		appendStringInfoString(&keystr, seperator);
+		appendStringInfoString(&keystr, separator);
 
 		appendStringInfoString(&keystr, deparse_expression(expr, context,
 														   useprefix, false));
-		seperator = ", ";
+		separator = ", ";
 	}
 
 	if (es->format != EXPLAIN_FORMAT_TEXT)

src/backend/main/main.c

@@ -247,7 +247,7 @@ startup_hacks(const char *progname)
 		 * leaving the default in place would make debugging harder.
 		 *
 		 * MINGW's own C runtime doesn't have _set_abort_behavior(). When
-		 * targetting Microsoft's UCRT with mingw, it never links to the debug
+		 * targeting Microsoft's UCRT with mingw, it never links to the debug
 		 * version of the library and thus doesn't need the call to
 		 * _set_abort_behavior() either.
 		 */

src/backend/postmaster/bgworker.c

@@ -531,7 +531,7 @@ BackgroundWorkerStopNotifications(pid_t pid)
  * This is called during a normal ("smart" or "fast") database shutdown.
  * After this point, no new background workers will be started, so anything
  * that might be waiting for them needs to be kicked off its wait.  We do
- * that by cancelling the bgworker registration entirely, which is perhaps
+ * that by canceling the bgworker registration entirely, which is perhaps
  * overkill, but since we're shutting down it does not matter whether the
  * registration record sticks around.
  *

src/backend/replication/basebackup_sink.c

@@ -18,7 +18,7 @@
  * Forward begin_backup callback.
  *
  * Only use this implementation if you want the bbsink you're implementing to
- * share a buffer with the succesor bbsink.
+ * share a buffer with the successor bbsink.
  */
 void
 bbsink_forward_begin_backup(bbsink *sink)
@@ -43,7 +43,7 @@ bbsink_forward_begin_archive(bbsink *sink, const char *archive_name)
 /*
  * Forward archive_contents callback.
  *
- * Code that wants to use this should initalize its own bbs_buffer and
+ * Code that wants to use this should initialize its own bbs_buffer and
  * bbs_buffer_length fields to the values from the successor sink. In cases
  * where the buffer isn't shared, the data needs to be copied before forwarding
  * the callback. We don't do try to do that here, because there's really no

src/backend/utils/adt/tsrank.c

@@ -337,7 +337,7 @@ calc_rank_or(const float *w, TSVector t, TSQuery q)
 			}
 /*
 			limit (sum(1/i^2),i=1,inf) = pi^2/6
-			resj = sum(wi/i^2),i=1,noccurence,
+			resj = sum(wi/i^2),i=1,noccurrence,
 			wi - should be sorted desc,
 			don't sort for now, just choose maximum weight. This should be corrected
 			Oleg Bartunov

src/bin/pg_basebackup/pg_basebackup.c

@@ -1722,7 +1722,7 @@ GetCopyDataEnd(size_t r, char *copybuf, size_t cursor)
  *
  * As a debugging aid, we try to give some hint about what kind of message
  * provoked the failure. Perhaps this is not detailed enough, but it's not
- * clear that it's worth expending any more code on what shoud be a
+ * clear that it's worth expending any more code on what should be a
  * can't-happen case.
  */
 static void

src/bin/pg_basebackup/t/010_pg_basebackup.pl

@@ -22,7 +22,7 @@ my $node = PostgreSQL::Test::Cluster->new('main');
 
 # For nearly all pg_basebackup invocations some options should be specified,
 # to keep test times reasonable. Using @pg_basebackup_defs as the first
-# element of the array passed to to IPC::Run interpolate the array (as it is
+# element of the array passed to IPC::Run interpolate the array (as it is
 # not a reference to an array)...
 my @pg_basebackup_defs = ('pg_basebackup', '--no-sync', '-cfast');
 
@@ -287,7 +287,7 @@ is(scalar(@tblspc_tars), 1, 'one tablespace tar was created');
 SKIP:
 {
 	my $tar = $ENV{TAR};
-	# don't check for a working tar here, to accomodate various odd
+	# don't check for a working tar here, to accommodate various odd
 	# cases such as AIX. If tar doesn't work the init_from_backup below
 	# will fail.
 	skip "no tar program available", 1

src/bin/pg_verifybackup/t/008_untar.pl

@@ -95,7 +95,7 @@ for my $tc (@test_configuration)
 
 		SKIP: {
 			my $tar = $ENV{TAR};
-			# don't check for a working tar here, to accomodate various odd
+			# don't check for a working tar here, to accommodate various odd
 			# cases such as AIX. If tar doesn't work the init_from_backup below
 			# will fail.
 			skip "no tar program available", 1

src/bin/pg_verifybackup/t/010_client_untar.pl

@@ -96,7 +96,7 @@ for my $tc (@test_configuration)
 
 		SKIP: {
 			my $tar = $ENV{TAR};
-			# don't check for a working tar here, to accomodate various odd
+			# don't check for a working tar here, to accommodate various odd
 			# cases such as AIX. If tar doesn't work the init_from_backup below
 			# will fail.
 			skip "no tar program available", 1

src/bin/pgbench/pgbench.c

@@ -4183,7 +4183,7 @@ initGenerateDataClientSide(PGconn *con)
 	 * accounts is big enough to be worth using COPY and tracking runtime
 	 */
 
-	/* use COPY with FREEZE on v14 and later without partioning */
+	/* use COPY with FREEZE on v14 and later without partitioning */
 	if (partitions == 0 && PQserverVersion(con) >= 140000)
 		copy_statement = "copy pgbench_accounts from stdin with (freeze on)";
 	else

src/include/libpq/sasl.h

@@ -62,7 +62,7 @@ typedef struct pg_be_sasl_mech
 	 * must return a pointer to its allocated state, which will be passed
 	 * as-is as the first argument to the other callbacks.
 	 *
-	 * Input paramters:
+	 * Input parameters:
 	 *
 	 *	port:        The client Port.
 	 *

src/interfaces/libpq/t/001_uri.pl

@@ -232,7 +232,7 @@ sub test_uri
 	chomp($result{stderr});
 
 	# use is_deeply so there's one test result for each test above, without
-	# loosing the information whether stdout/stderr mismatched.
+	# losing the information whether stdout/stderr mismatched.
 	is_deeply(\%result, \%expect, $uri);
 }
 

src/test/perl/PostgreSQL/Test/Cluster.pm

@@ -1372,9 +1372,9 @@ sub _set_pg_version
 #    local %ENV = $self->_get_env{[%extra_settings]);
 #
 # A copy of the environment is taken and node's host and port settings are
-# added as PGHOST and PGPORT, Then the extra settings (if any) are applied.
-# Any setting in %extra_settings with a value that is undefined is deleted
-# the remainder are# set. Then the PATH and (DY)LD_LIBRARY_PATH are adjusted
+# added as PGHOST and PGPORT, then the extra settings (if any) are applied.
+# Any setting in %extra_settings with a value that is undefined is deleted;
+# the remainder are set. Then the PATH and (DY)LD_LIBRARY_PATH are adjusted
 # if the node's install path is set, and the copy environment is returned.
 #
 # The install path set in new() needs to be a directory containing

src/test/regress/expected/create_function_sql.out

@@ -279,7 +279,7 @@ CREATE FUNCTION functest_S_13() RETURNS boolean
         SELECT 1;
         SELECT false;
     END;
--- check display of function argments in sub-SELECT
+-- check display of function arguments in sub-SELECT
 CREATE TABLE functest1 (i int);
 CREATE FUNCTION functest_S_16(a int, b int) RETURNS void
     LANGUAGE SQL

src/test/regress/expected/create_table.out

@@ -811,7 +811,7 @@ create table parted_notnull_inh_test1 partition of parted_notnull_inh_test (a no
 insert into parted_notnull_inh_test (b) values (null);
 ERROR:  null value in column "b" of relation "parted_notnull_inh_test1" violates not-null constraint
 DETAIL:  Failing row contains (1, null).
--- note that while b's default is overriden, a's default is preserved
+-- note that while b's default is overridden, a's default is preserved
 \d parted_notnull_inh_test1
       Table "public.parted_notnull_inh_test1"
  Column |  Type   | Collation | Nullable | Default 

src/test/regress/expected/object_address.out

@@ -558,7 +558,7 @@ WITH objects (classid, objid, objsubid) AS (VALUES
     ('pg_namespace'::regclass, 0, 0), -- no schema
     ('pg_statistic_ext'::regclass, 0, 0), -- no statistics
     ('pg_ts_parser'::regclass, 0, 0), -- no TS parser
-    ('pg_ts_dict'::regclass, 0, 0), -- no TS dictionnary
+    ('pg_ts_dict'::regclass, 0, 0), -- no TS dictionary
     ('pg_ts_template'::regclass, 0, 0), -- no TS template
     ('pg_ts_config'::regclass, 0, 0), -- no TS configuration
     ('pg_authid'::regclass, 0, 0), -- no role

src/test/regress/sql/create_function_sql.sql

@@ -180,7 +180,7 @@ CREATE FUNCTION functest_S_13() RETURNS boolean
         SELECT false;
     END;
 
--- check display of function argments in sub-SELECT
+-- check display of function arguments in sub-SELECT
 CREATE TABLE functest1 (i int);
 CREATE FUNCTION functest_S_16(a int, b int) RETURNS void
     LANGUAGE SQL

src/test/regress/sql/create_table.sql

@@ -559,7 +559,7 @@ CREATE TABLE part_c_1_10 PARTITION OF part_c FOR VALUES FROM (1) TO (10);
 create table parted_notnull_inh_test (a int default 1, b int not null default 0) partition by list (a);
 create table parted_notnull_inh_test1 partition of parted_notnull_inh_test (a not null, b default 1) for values in (1);
 insert into parted_notnull_inh_test (b) values (null);
--- note that while b's default is overriden, a's default is preserved
+-- note that while b's default is overridden, a's default is preserved
 \d parted_notnull_inh_test1
 drop table parted_notnull_inh_test;
 

src/test/regress/sql/object_address.sql

@@ -259,7 +259,7 @@ WITH objects (classid, objid, objsubid) AS (VALUES
     ('pg_namespace'::regclass, 0, 0), -- no schema
     ('pg_statistic_ext'::regclass, 0, 0), -- no statistics
     ('pg_ts_parser'::regclass, 0, 0), -- no TS parser
-    ('pg_ts_dict'::regclass, 0, 0), -- no TS dictionnary
+    ('pg_ts_dict'::regclass, 0, 0), -- no TS dictionary
     ('pg_ts_template'::regclass, 0, 0), -- no TS template
     ('pg_ts_config'::regclass, 0, 0), -- no TS configuration
     ('pg_authid'::regclass, 0, 0), -- no role

src/test/subscription/t/001_rep_changes.pl

@@ -418,7 +418,7 @@ is( $result, qq(11.11|baz|1
 # application_name to ensure that the walsender is (re)started.
 #
 # Not all of these are registered as tests as we need to poll for a change
-# but the test suite will fail none the less when something goes wrong.
+# but the test suite will fail nonetheless when something goes wrong.
 my $oldpid = $node_publisher->safe_psql('postgres',
 	"SELECT pid FROM pg_stat_replication WHERE application_name = 'tap_sub' AND state = 'streaming';"
 );