diff options
| -rw-r--r-- | doc/src/sgml/mvcc.sgml | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml index b87ad5cc538..0adc457f03a 100644 --- a/doc/src/sgml/mvcc.sgml +++ b/doc/src/sgml/mvcc.sgml @@ -109,8 +109,8 @@ dirty read <indexterm><primary>dirty read</primary></indexterm> </term> - <listitem> - <para> + <listitem> + <para> A transaction reads data written by a concurrent uncommitted transaction. </para> </listitem> @@ -121,8 +121,8 @@ nonrepeatable read <indexterm><primary>nonrepeatable read</primary></indexterm> </term> - <listitem> - <para> + <listitem> + <para> A transaction re-reads data it has previously read and finds that data has been modified by another transaction (that committed since the initial read). @@ -135,8 +135,8 @@ phantom read <indexterm><primary>phantom read</primary></indexterm> </term> - <listitem> - <para> + <listitem> + <para> A transaction re-executes a query returning a set of rows that satisfy a search condition and finds that the set of rows satisfying the condition has changed due to another recently-committed transaction. @@ -149,8 +149,8 @@ serialization anomaly <indexterm><primary>serialization anomaly</primary></indexterm> </term> - <listitem> - <para> + <listitem> + <para> The result of successfully committing a group of transactions is inconsistent with all possible orderings of running those transactions one at a time. @@ -1752,9 +1752,9 @@ SELECT pg_advisory_lock(q.id) FROM changes in the table. A repeatable read transaction's snapshot is actually frozen at the start of its first query or data-modification command (<literal>SELECT</literal>, <literal>INSERT</literal>, - <literal>UPDATE</literal>, or <literal>DELETE</literal>), so - it is possible to obtain locks explicitly before the snapshot is - frozen. + <literal>UPDATE</literal>, <literal>DELETE</literal>, or + <literal>MERGE</literal>), so it is possible to obtain locks explicitly + before the snapshot is frozen. </para> </sect2> </sect1> |