diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/insert.sgml | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/insert.sgml b/doc/src/sgml/ref/insert.sgml index a9af9959c08..29e92546ef4 100644 --- a/doc/src/sgml/ref/insert.sgml +++ b/doc/src/sgml/ref/insert.sgml @@ -75,6 +75,11 @@ INSERT INTO <replaceable class="parameter">table_name</replaceable> [ AS <replac </para> <para> + <command>INSERT</command> into tables that lack unique indexes will + not be blocked by concurrent activity. Tables with unique indexes + might block if concurrent sessions perform actions that lock or modify + rows matching the unique index values being inserted; the details + are covered in <xref linkend="index-unique-checks"/>. <literal>ON CONFLICT</literal> can be used to specify an alternative action to raising a unique constraint or exclusion constraint violation error. (See <xref linkend="sql-on-conflict"/> below.) |