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1 | 1 | <!-- doc/src/sgml/release-8.4.sgml --> |
2 | 2 | <!-- See header comment in release.sgml about typical markup --> |
3 | 3 |
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| 4 | + <sect1 id="release-8-4-18"> |
| 5 | + <title>Release 8.4.18</title> |
| 6 | + |
| 7 | + <note> |
| 8 | + <title>Release Date</title> |
| 9 | + <simpara>2013-10-10</simpara> |
| 10 | + </note> |
| 11 | + |
| 12 | + <para> |
| 13 | + This release contains a variety of fixes from 8.4.17. |
| 14 | + For information about new features in the 8.4 major release, see |
| 15 | + <xref linkend="release-8-4">. |
| 16 | + </para> |
| 17 | + |
| 18 | + <sect2> |
| 19 | + <title>Migration to Version 8.4.18</title> |
| 20 | + |
| 21 | + <para> |
| 22 | + A dump/restore is not required for those running 8.4.X. |
| 23 | + </para> |
| 24 | + |
| 25 | + <para> |
| 26 | + Also, if you are upgrading from a version earlier than 8.4.10, |
| 27 | + see the release notes for 8.4.10. |
| 28 | + </para> |
| 29 | + |
| 30 | + </sect2> |
| 31 | + |
| 32 | + <sect2> |
| 33 | + <title>Changes</title> |
| 34 | + |
| 35 | + <itemizedlist> |
| 36 | + |
| 37 | + <listitem> |
| 38 | + <para> |
| 39 | + Prevent downcasing of non-ASCII non-double-quoted identifiers in |
| 40 | + multi-byte encodings (Andrew Dunstan) |
| 41 | + </para> |
| 42 | + |
| 43 | + <para> |
| 44 | + The previous behavior was wrong and confusing. |
| 45 | + </para> |
| 46 | + </listitem> |
| 47 | + |
| 48 | + <listitem> |
| 49 | + <para> |
| 50 | + Fix memory leak caused by <function>lo_open()</function> failure |
| 51 | + (Heikki Linnakangas) |
| 52 | + </para> |
| 53 | + </listitem> |
| 54 | + |
| 55 | + <listitem> |
| 56 | + <para> |
| 57 | + Fix memory overcommit bug when <varname>work_mem</> is using more |
| 58 | + than 24GB of memory (Stephen Frost) |
| 59 | + </para> |
| 60 | + </listitem> |
| 61 | + |
| 62 | + <listitem> |
| 63 | + <para> |
| 64 | + Fix libpq SSL deadlock bug (Stephen Frost) |
| 65 | + </para> |
| 66 | + </listitem> |
| 67 | + |
| 68 | + <listitem> |
| 69 | + <para> |
| 70 | + Properly compute row estimates for boolean columns containing many NULL |
| 71 | + values (Andrew Gierth) |
| 72 | + </para> |
| 73 | + |
| 74 | + <para> |
| 75 | + Previously tests like <literal>col IS NOT TRUE</> and <literal>col IS |
| 76 | + NOT FALSE</> did not properly factor in NULL values when estimating |
| 77 | + plan costs. |
| 78 | + </para> |
| 79 | + </listitem> |
| 80 | + |
| 81 | + <listitem> |
| 82 | + <para> |
| 83 | + Prevent pushing down <literal>WHERE</> clauses into unsafe |
| 84 | + <literal>UNION/INTERSECT</> subqueries (Tom Lane) |
| 85 | + </para> |
| 86 | + |
| 87 | + <para> |
| 88 | + Previously such push downs could generate errors. |
| 89 | + </para> |
| 90 | + </listitem> |
| 91 | + |
| 92 | + <listitem> |
| 93 | + <para> |
| 94 | + Fix rare <literal>GROUP BY</> query error caused by improperly processed date type |
| 95 | + modifiers (Tom Lane) |
| 96 | + </para> |
| 97 | + </listitem> |
| 98 | + |
| 99 | + <listitem> |
| 100 | + <para> |
| 101 | + Allow view dump code to better handle dropped columns on base tables |
| 102 | + (Tom Lane) |
| 103 | + </para> |
| 104 | + </listitem> |
| 105 | + |
| 106 | + <listitem> |
| 107 | + <para> |
| 108 | + Fix possible deadlock during concurrent <command>CREATE INDEX |
| 109 | + CONCURRENTLY</> operations (Tom Lane) |
| 110 | + </para> |
| 111 | + </listitem> |
| 112 | + |
| 113 | + <listitem> |
| 114 | + <para> |
| 115 | + Fix <function>regexp_matches()</> handling of zero-length matches |
| 116 | + (Jeevan Chalke) |
| 117 | + </para> |
| 118 | + |
| 119 | + <para> |
| 120 | + Previously, zero-length matches like '^' could return too many matches. |
| 121 | + </para> |
| 122 | + </listitem> |
| 123 | + |
| 124 | + <listitem> |
| 125 | + <para> |
| 126 | + Fix crash for overly-complex regular expressions (Heikki Linnakangas) |
| 127 | + </para> |
| 128 | + </listitem> |
| 129 | + |
| 130 | + <listitem> |
| 131 | + <para> |
| 132 | + Fix regular expression match failures for back references combined with |
| 133 | + non-greedy quantifiers (Jeevan Chalke) |
| 134 | + </para> |
| 135 | + </listitem> |
| 136 | + |
| 137 | + <listitem> |
| 138 | + <para> |
| 139 | + Prevent <command>CREATE FUNCTION</> from checking <command>SET</> |
| 140 | + variables unless function body checking is enabled (Tom Lane) |
| 141 | + </para> |
| 142 | + </listitem> |
| 143 | + |
| 144 | + <listitem> |
| 145 | + <para> |
| 146 | + Fix <function>pgp_pub_decrypt()</> so it works for secret keys with |
| 147 | + passwords (Marko Kreen) |
| 148 | + </para> |
| 149 | + </listitem> |
| 150 | + |
| 151 | + <listitem> |
| 152 | + <para> |
| 153 | + Remove rare inaccurate warning during vacuum of index-less tables |
| 154 | + (Heikki Linnakangas) |
| 155 | + </para> |
| 156 | + </listitem> |
| 157 | + |
| 158 | + <listitem> |
| 159 | + <para> |
| 160 | + Avoid possible failure when performing transaction control commands (e.g |
| 161 | + <command>ROLLBACK</>) in prepared queries (Tom Lane) |
| 162 | + </para> |
| 163 | + </listitem> |
| 164 | + |
| 165 | + <listitem> |
| 166 | + <para> |
| 167 | + Allow various spellings of infinity on all platforms (Tom Lane) |
| 168 | + </para> |
| 169 | + |
| 170 | + <para> |
| 171 | + Supported infinity values are "inf", "+inf", "-inf", "infinity", |
| 172 | + "+infinity", and "-infinity". |
| 173 | + </para> |
| 174 | + </listitem> |
| 175 | + |
| 176 | + <listitem> |
| 177 | + <para> |
| 178 | + Expand ability to compare rows to records and arrays (Rafal Rzepecki, |
| 179 | + Tom Lane) |
| 180 | + </para> |
| 181 | + </listitem> |
| 182 | + |
| 183 | + <listitem> |
| 184 | + <para> |
| 185 | + Update time zone data files to <application>tzdata</> release 2013d |
| 186 | + for DST law changes in DST law changes in Israel, Morocco, Palestine, |
| 187 | + Paraguay. Also, historical zone data corrections for Macquarie Island |
| 188 | + (Tom Lane) |
| 189 | + </para> |
| 190 | + </listitem> |
| 191 | + |
| 192 | + </itemizedlist> |
| 193 | + |
| 194 | + </sect2> |
| 195 | + </sect1> |
| 196 | + |
4 | 197 | <sect1 id="release-8-4-17"> |
5 | 198 | <title>Release 8.4.17</title> |
6 | 199 |
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