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1 | 1 | <!-- doc/src/sgml/release-9.2.sgml -->
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2 | 2 | <!-- See header comment in release.sgml about typical markup -->
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3 | 3 |
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| 4 | + <sect1 id="release-9-2-24"> |
| 5 | + <title>Release 9.2.24</title> |
| 6 | + |
| 7 | + <formalpara> |
| 8 | + <title>Release date:</title> |
| 9 | + <para>2017-11-09</para> |
| 10 | + </formalpara> |
| 11 | + |
| 12 | + <para> |
| 13 | + This release contains a variety of fixes from 9.2.23. |
| 14 | + For information about new features in the 9.2 major release, see |
| 15 | + <xref linkend="release-9-2">. |
| 16 | + </para> |
| 17 | + |
| 18 | + <para> |
| 19 | + This is expected to be the last <productname>PostgreSQL</productname> |
| 20 | + release in the 9.2.X series. Users are encouraged to update to a newer |
| 21 | + release branch soon. |
| 22 | + </para> |
| 23 | + |
| 24 | + <sect2> |
| 25 | + <title>Migration to Version 9.2.24</title> |
| 26 | + |
| 27 | + <para> |
| 28 | + A dump/restore is not required for those running 9.2.X. |
| 29 | + </para> |
| 30 | + |
| 31 | + <para> |
| 32 | + However, if you are upgrading from a version earlier than 9.2.22, |
| 33 | + see <xref linkend="release-9-2-22">. |
| 34 | + </para> |
| 35 | + |
| 36 | + </sect2> |
| 37 | + |
| 38 | + <sect2> |
| 39 | + <title>Changes</title> |
| 40 | + |
| 41 | + <itemizedlist> |
| 42 | + |
| 43 | + <listitem> |
| 44 | + <para> |
| 45 | + Properly reject attempts to convert infinite float values to |
| 46 | + type <type>numeric</type> (Tom Lane, KaiGai Kohei) |
| 47 | + </para> |
| 48 | + |
| 49 | + <para> |
| 50 | + Previously the behavior was platform-dependent. |
| 51 | + </para> |
| 52 | + </listitem> |
| 53 | + |
| 54 | + <listitem> |
| 55 | + <para> |
| 56 | + Fix corner-case crashes when columns have been added to the end of a |
| 57 | + view (Tom Lane) |
| 58 | + </para> |
| 59 | + </listitem> |
| 60 | + |
| 61 | + <listitem> |
| 62 | + <para> |
| 63 | + Record proper dependencies when a view or rule |
| 64 | + contains <structname>FieldSelect</structname> |
| 65 | + or <structname>FieldStore</structname> expression nodes (Tom Lane) |
| 66 | + </para> |
| 67 | + |
| 68 | + <para> |
| 69 | + Lack of these dependencies could allow a column or data |
| 70 | + type <command>DROP</command> to go through when it ought to fail, |
| 71 | + thereby causing later uses of the view or rule to get errors. |
| 72 | + This patch does not do anything to protect existing views/rules, |
| 73 | + only ones created in the future. |
| 74 | + </para> |
| 75 | + </listitem> |
| 76 | + |
| 77 | + <listitem> |
| 78 | + <para> |
| 79 | + Correctly detect hashability of range data types (Tom Lane) |
| 80 | + </para> |
| 81 | + |
| 82 | + <para> |
| 83 | + The planner mistakenly assumed that any range type could be hashed |
| 84 | + for use in hash joins or hash aggregation, but actually it must check |
| 85 | + whether the range's subtype has hash support. This does not affect any |
| 86 | + of the built-in range types, since they're all hashable anyway. |
| 87 | + </para> |
| 88 | + </listitem> |
| 89 | + |
| 90 | + <listitem> |
| 91 | + <para> |
| 92 | + Fix low-probability loss of <command>NOTIFY</command> messages due to |
| 93 | + XID wraparound (Marko Tiikkaja, Tom Lane) |
| 94 | + </para> |
| 95 | + |
| 96 | + <para> |
| 97 | + If a session executed no queries, but merely listened for |
| 98 | + notifications, for more than 2 billion transactions, it started to miss |
| 99 | + some notifications from concurrently-committing transactions. |
| 100 | + </para> |
| 101 | + </listitem> |
| 102 | + |
| 103 | + <listitem> |
| 104 | + <para> |
| 105 | + Prevent low-probability crash in processing of nested trigger firings |
| 106 | + (Tom Lane) |
| 107 | + </para> |
| 108 | + </listitem> |
| 109 | + |
| 110 | + <listitem> |
| 111 | + <para> |
| 112 | + Correctly restore the umask setting when file creation fails |
| 113 | + in <command>COPY</command> or <function>lo_export()</function> |
| 114 | + (Peter Eisentraut) |
| 115 | + </para> |
| 116 | + </listitem> |
| 117 | + |
| 118 | + <listitem> |
| 119 | + <para> |
| 120 | + Give a better error message for duplicate column names |
| 121 | + in <command>ANALYZE</command> (Nathan Bossart) |
| 122 | + </para> |
| 123 | + </listitem> |
| 124 | + |
| 125 | + <listitem> |
| 126 | + <para> |
| 127 | + Fix <application>libpq</application> to not require user's home |
| 128 | + directory to exist (Tom Lane) |
| 129 | + </para> |
| 130 | + |
| 131 | + <para> |
| 132 | + In v10, failure to find the home directory while trying to |
| 133 | + read <filename>~/.pgpass</filename> was treated as a hard error, |
| 134 | + but it should just cause that file to not be found. Both v10 and |
| 135 | + previous release branches made the same mistake when |
| 136 | + reading <filename>~/.pg_service.conf</filename>, though this was less |
| 137 | + obvious since that file is not sought unless a service name is |
| 138 | + specified. |
| 139 | + </para> |
| 140 | + </listitem> |
| 141 | + |
| 142 | + <listitem> |
| 143 | + <para> |
| 144 | + Fix <application>libpq</application> to guard against integer |
| 145 | + overflow in the row count of a <structname>PGresult</structname> |
| 146 | + (Michael Paquier) |
| 147 | + </para> |
| 148 | + </listitem> |
| 149 | + |
| 150 | + <listitem> |
| 151 | + <para> |
| 152 | + Sync our copy of the timezone library with IANA release tzcode2017c |
| 153 | + (Tom Lane) |
| 154 | + </para> |
| 155 | + |
| 156 | + <para> |
| 157 | + This fixes various issues; the only one likely to be user-visible |
| 158 | + is that the default DST rules for a POSIX-style zone name, if |
| 159 | + no <filename>posixrules</filename> file exists in the timezone data |
| 160 | + directory, now match current US law rather than what it was a dozen |
| 161 | + years ago. |
| 162 | + </para> |
| 163 | + </listitem> |
| 164 | + |
| 165 | + <listitem> |
| 166 | + <para> |
| 167 | + Update time zone data files to <application>tzdata</application> |
| 168 | + release 2017c for DST law changes in Fiji, Namibia, Northern Cyprus, |
| 169 | + Sudan, Tonga, and Turks & Caicos Islands, plus historical |
| 170 | + corrections for Alaska, Apia, Burma, Calcutta, Detroit, Ireland, |
| 171 | + Namibia, and Pago Pago. |
| 172 | + </para> |
| 173 | + </listitem> |
| 174 | + |
| 175 | + </itemizedlist> |
| 176 | + |
| 177 | + </sect2> |
| 178 | + </sect1> |
| 179 | + |
4 | 180 | <sect1 id="release-9-2-23">
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5 | 181 | <title>Release 9.2.23</title>
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6 | 182 |
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