Clean up references to SQL92

In most cases, these were just references to the SQL standard in
general.  In a few cases, a contrast was made between SQL92 and later
standards -- those have been kept unchanged.

7 files changed, 22 insertions, 22 deletions

diff --git a/src/backend/utils/adt/date.c b/src/backend/utils/adt/date.c
index 57391c30edf..5dd27c4d650 100644
--- a/src/backend/utils/adt/date.c
+++ b/src/backend/utils/adt/date.c
@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * date.c
- *	  implements DATE and TIME data types specified in SQL-92 standard
+ *	  implements DATE and TIME data types specified in SQL standard
  *
  * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994-5, Regents of the University of California
@@ -1403,9 +1403,9 @@ time_smaller(PG_FUNCTION_ARGS)
 	PG_RETURN_TIMEADT((time1 < time2) ? time1 : time2);
 }
 
-/* overlaps_time() --- implements the SQL92 OVERLAPS operator.
+/* overlaps_time() --- implements the SQL OVERLAPS operator.
  *
- * Algorithm is per SQL92 spec.  This is much harder than you'd think
+ * Algorithm is per SQL spec.  This is much harder than you'd think
  * because the spec requires us to deliver a non-null answer in some cases
  * where some of the inputs are null.
  */
@@ -2273,9 +2273,9 @@ timetz_mi_interval(PG_FUNCTION_ARGS)
 	PG_RETURN_TIMETZADT_P(result);
 }
 
-/* overlaps_timetz() --- implements the SQL92 OVERLAPS operator.
+/* overlaps_timetz() --- implements the SQL OVERLAPS operator.
  *
- * Algorithm is per SQL92 spec.  This is much harder than you'd think
+ * Algorithm is per SQL spec.  This is much harder than you'd think
  * because the spec requires us to deliver a non-null answer in some cases
  * where some of the inputs are null.
  */
diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
index 9c6030c8d8c..59805047b20 100644
--- a/src/backend/utils/adt/datetime.c
+++ b/src/backend/utils/adt/datetime.c
@@ -1558,8 +1558,8 @@ overflow:
  * Returns 0 if successful, DTERR code if bogus input detected.
  *
  * Note that support for time zone is here for
- * SQL92 TIME WITH TIME ZONE, but it reveals
- * bogosity with SQL92 date/time standards, since
+ * SQL TIME WITH TIME ZONE, but it reveals
+ * bogosity with SQL date/time standards, since
  * we must infer a time zone from current time.
  * - thomas 2000-03-10
  * Allow specifying date to get a better time zone,
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index b73e0d50fd5..91df2179a0c 100644
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -1922,7 +1922,7 @@ float8_avg(PG_FUNCTION_ARGS)
 	sumX = transvalues[1];
 	/* ignore sumX2 */
 
-	/* SQL92 defines AVG of no values to be NULL */
+	/* SQL defines AVG of no values to be NULL */
 	if (N == 0.0)
 		PG_RETURN_NULL();
 
diff --git a/src/backend/utils/adt/like_match.c b/src/backend/utils/adt/like_match.c
index a31bf8faa38..0c20cd173e5 100644
--- a/src/backend/utils/adt/like_match.c
+++ b/src/backend/utils/adt/like_match.c
@@ -42,7 +42,7 @@
  *
  *	Keith Parks. <keith@mtcc.demon.co.uk>
  *
- *	SQL92 lets you specify the escape character by saying
+ *	SQL lets you specify the escape character by saying
  *	LIKE <pattern> ESCAPE <escape character>. We are a small operation
  *	so we force you to use '\'. - ay 7/95
  *
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index 229b40858df..b343b5fe0f6 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -2645,7 +2645,7 @@ numeric_avg(PG_FUNCTION_ARGS)
 	N = DatumGetNumeric(transdatums[0]);
 	sumX = DatumGetNumeric(transdatums[1]);
 
-	/* SQL92 defines AVG of no values to be NULL */
+	/* SQL defines AVG of no values to be NULL */
 	/* N is zero iff no digits (cf. numeric_uminus) */
 	if (NUMERIC_NDIGITS(N) == 0)
 		PG_RETURN_NULL();
@@ -2824,7 +2824,7 @@ numeric_stddev_pop(PG_FUNCTION_ARGS)
  * purposes.  (The latter two therefore don't really belong in this file,
  * but we keep them here anyway.)
  *
- * Because SQL92 defines the SUM() of no values to be NULL, not zero,
+ * Because SQL defines the SUM() of no values to be NULL, not zero,
  * the initial condition of the transition data value needs to be NULL. This
  * means we can't rely on ExecAgg to automatically insert the first non-null
  * data value into the transition data: it doesn't know how to do the type
@@ -3046,7 +3046,7 @@ int8_avg(PG_FUNCTION_ARGS)
 		elog(ERROR, "expected 2-element int8 array");
 	transdata = (Int8TransTypeData *) ARR_DATA_PTR(transarray);
 
-	/* SQL92 defines AVG of no values to be NULL */
+	/* SQL defines AVG of no values to be NULL */
 	if (transdata->count == 0)
 		PG_RETURN_NULL();
 
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
index 1a848f9a33b..60f29533b71 100644
--- a/src/backend/utils/adt/timestamp.c
+++ b/src/backend/utils/adt/timestamp.c
@@ -1,7 +1,7 @@
 /*-------------------------------------------------------------------------
  *
  * timestamp.c
- *	  Functions for the built-in SQL92 types "timestamp" and "interval".
+ *	  Functions for the built-in SQL types "timestamp" and "interval".
  *
  * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
@@ -2276,9 +2276,9 @@ interval_hash(PG_FUNCTION_ARGS)
 #endif
 }
 
-/* overlaps_timestamp() --- implements the SQL92 OVERLAPS operator.
+/* overlaps_timestamp() --- implements the SQL OVERLAPS operator.
  *
- * Algorithm is per SQL92 spec.  This is much harder than you'd think
+ * Algorithm is per SQL spec.  This is much harder than you'd think
  * because the spec requires us to deliver a non-null answer in some cases
  * where some of the inputs are null.
  */
@@ -3129,7 +3129,7 @@ interval_avg(PG_FUNCTION_ARGS)
 	memcpy((void *) &sumX, DatumGetPointer(transdatums[0]), sizeof(Interval));
 	memcpy((void *) &N, DatumGetPointer(transdatums[1]), sizeof(Interval));
 
-	/* SQL92 defines AVG of no values to be NULL */
+	/* SQL defines AVG of no values to be NULL */
 	if (N.time == 0)
 		PG_RETURN_NULL();
 
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c
index f41abe3b2e7..bb85faf1a7b 100644
--- a/src/backend/utils/adt/varlena.c
+++ b/src/backend/utils/adt/varlena.c
@@ -720,18 +720,18 @@ charlen_to_bytelen(const char *p, int n)
  *	- string length
  *
  * If the starting position is zero or less, then return from the start of the string
- *	adjusting the length to be consistent with the "negative start" per SQL92.
+ *	adjusting the length to be consistent with the "negative start" per SQL.
  * If the length is less than zero, return the remaining string.
  *
  * Added multibyte support.
  * - Tatsuo Ishii 1998-4-21
- * Changed behavior if starting position is less than one to conform to SQL92 behavior.
+ * Changed behavior if starting position is less than one to conform to SQL behavior.
  * Formerly returned the entire string; now returns a portion.
  * - Thomas Lockhart 1998-12-10
  * Now uses faster TOAST-slicing interface
  * - John Gray 2002-02-22
  * Remove "#ifdef MULTIBYTE" and test for encoding_max_length instead. Change
- * behaviors conflicting with SQL92 to meet SQL92 (if E = S + L < S throw
+ * behaviors conflicting with SQL to meet SQL (if E = S + L < S throw
  * error; if E < 1, return '', not entire string). Fixed MB related bug when
  * S > LC and < LC + 4 sometimes garbage characters are returned.
  * - Joe Conway 2002-08-10
@@ -1023,7 +1023,7 @@ text_overlay(text *t1, text *t2, int sp, int sl)
 /*
  * textpos -
  *	  Return the position of the specified substring.
- *	  Implements the SQL92 POSITION() function.
+ *	  Implements the SQL POSITION() function.
  *	  Ref: A Guide To The SQL Standard, Date & Darwen, 1997
  * - thomas 1997-07-27
  */
@@ -1903,7 +1903,7 @@ bytea_catenate(bytea *t1, bytea *t2)
  *	- string length (optional)
  *
  * If the starting position is zero or less, then return from the start of the string
- * adjusting the length to be consistent with the "negative start" per SQL92.
+ * adjusting the length to be consistent with the "negative start" per SQL.
  * If the length is less than zero, an ERROR is thrown. If no third argument
  * (length) is provided, the length to the end of the string is assumed.
  */
@@ -2046,7 +2046,7 @@ bytea_overlay(bytea *t1, bytea *t2, int sp, int sl)
 /*
  * byteapos -
  *	  Return the position of the specified substring.
- *	  Implements the SQL92 POSITION() function.
+ *	  Implements the SQL POSITION() function.
  * Cloned from textpos and modified as required.
  */
 Datum