11<!--
2- $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.292 2004/08/27 02:09:18 momjian Exp $
2+ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.293 2004/08/30 00:33:52 tgl Exp $
33-->
44
55<appendix id="release">
@@ -327,11 +327,13 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.292 2004/08/27 02:09:18 momjian
327327
328328 <listitem>
329329 <para>
330- Syntax checking of array inputprocessing has beentighened up
330+ Syntax checking of array inputvalues has beentightened up
331331 considerably. Junk that was previously allowed in odd places with
332- odd results now causes an ERROR. Also changed behavior with respect
333- to whitespace surrounding array elements; trailing whitespace is now
334- ignored as well as leading whitespace (which has always been ignored).
332+ odd results now causes an ERROR. Empty-string element values must
333+ now be written as <literal>""</>, rather than writing nothing.
334+ Also changed behavior with respect to whitespace surrounding array
335+ elements: trailing whitespace is now ignored, for symmetry with leading
336+ whitespace (which has always been ignored).
335337 </para>
336338 </listitem>
337339 </itemizedlist>
@@ -1186,7 +1188,7 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.292 2004/08/27 02:09:18 momjian
11861188
11871189 <listitem>
11881190 <para>
1189- Reject non-rectangular arrayliterals as erroneous (Joe)
1191+ Reject non-rectangular arrayvalues as erroneous (Joe)
11901192 </para>
11911193 <para>
11921194 Formerly, <literal>array_in</literal> would silently build a
@@ -1196,11 +1198,25 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.292 2004/08/27 02:09:18 momjian
11961198
11971199 <listitem>
11981200 <para>
1199- Syntax checking of array inputprocessing considerablytighened up (Joe)
1201+ Syntax checking of array inputvalues considerablytightened up (Joe)
12001202 </para>
12011203 <para>
12021204 Junk that was previously allowed in odd places with odd results now
1203- causes an ERROR.
1205+ causes an ERROR: for example, non-whitespace after the closing
1206+ right brace.
1207+ </para>
1208+ </listitem>
1209+
1210+ <listitem>
1211+ <para>
1212+ Empty-string array element values must now be written as
1213+ <literal>""</>, rather than writing nothing (Joe)
1214+ </para>
1215+ <para>
1216+ Formerly, both ways of writing an empty-string element value were
1217+ allowed, but now a quoted empty string is required. The case where
1218+ nothing at all appears will probably be taken over to mean a NULL
1219+ element value in some future release.
12041220 </para>
12051221 </listitem>
12061222
@@ -1210,14 +1226,14 @@ $PostgreSQL: pgsql/doc/src/sgml/release.sgml,v 1.292 2004/08/27 02:09:18 momjian
12101226 </para>
12111227 <para>
12121228 Formerly leading whitespace was ignored, but trailing whitespace
1213- between an element and the delimiter or right brace was significant.
1214- Now trailing whitespace is also ignored.
1229+ between an elementvalue and the delimiter or right brace was
1230+ significant. Now trailing whitespace is also ignored.
12151231 </para>
12161232 </listitem>
12171233
12181234 <listitem>
12191235 <para>
1220- Emit arrayliterals with explicit array bounds when lower bound is not one
1236+ Emit arrayvalues with explicit array bounds when lower bound is not one
12211237 (Joe)
12221238 </para>
12231239 </listitem>