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Diffstat (limited to 'doc/src/sgml/pltcl.sgml')
| -rw-r--r-- | doc/src/sgml/pltcl.sgml | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/doc/src/sgml/pltcl.sgml b/doc/src/sgml/pltcl.sgml index bf56ba6b1c..b31f2c1330 100644 --- a/doc/src/sgml/pltcl.sgml +++ b/doc/src/sgml/pltcl.sgml @@ -341,9 +341,11 @@ $$ LANGUAGE pltcl; </para> <para> The optional <literal>-count</literal> value tells - <function>spi_exec</function> the maximum number of rows - to process in the command. The effect of this is comparable to - setting up a query as a cursor and then saying <literal>FETCH <replaceable>n</replaceable></literal>. + <function>spi_exec</function> to stop + once <replaceable>n</replaceable> rows have been retrieved, + much as if the query included a <literal>LIMIT</literal> clause. + If <replaceable>n</replaceable> is zero, the query is run to + completion, the same as when <literal>-count</literal> is omitted. </para> <para> If the command is a <command>SELECT</command> statement, the values of the |