diff options
| -rw-r--r-- | doc/src/sgml/ref/select.sgml | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml index 15d9b75b59b..3fbfda309e2 100644 --- a/doc/src/sgml/ref/select.sgml +++ b/doc/src/sgml/ref/select.sgml @@ -1056,17 +1056,19 @@ OFFSET <replaceable class="parameter">start</replaceable> OFFSET <replaceable class="parameter">start</replaceable> { ROW | ROWS } FETCH { FIRST | NEXT } [ <replaceable class="parameter">count</replaceable> ] { ROW | ROWS } ONLY </synopsis> - According to the standard, the <literal>OFFSET</literal> clause must come - before the <literal>FETCH</literal> clause if both are present; but - <productname>PostgreSQL</> is laxer and allows either order. + In this syntax, to write anything except a simple integer constant for + <replaceable class="parameter">start</> or <replaceable + class="parameter">count</replaceable>, you must write parentheses + around it. + If <replaceable class="parameter">count</> is + omitted in a <literal>FETCH</> clause, it defaults to 1. <literal>ROW</literal> and <literal>ROWS</literal> as well as <literal>FIRST</literal> and <literal>NEXT</literal> are noise words that don't influence - the effects of these clauses. In this syntax, when using expressions - other than simple constants for <replaceable class="parameter">start</> - or <replaceable class="parameter">count</replaceable>, parentheses will be - necessary in most cases. If <replaceable class="parameter">count</> is - omitted in <literal>FETCH</>, it defaults to 1. + the effects of these clauses. + According to the standard, the <literal>OFFSET</literal> clause must come + before the <literal>FETCH</literal> clause if both are present; but + <productname>PostgreSQL</> is laxer and allows either order. </para> <para> |