diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/catalogs.sgml | 4 | ||||
| -rw-r--r-- | doc/src/sgml/fdwhandler.sgml | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml index 9fe260ecff7..1d1b8ce8fb1 100644 --- a/doc/src/sgml/catalogs.sgml +++ b/doc/src/sgml/catalogs.sgml @@ -1977,6 +1977,10 @@ SCRAM-SHA-256$<replaceable><iteration count></replaceable>:<replaceable>&l the planner. It is updated by <command>VACUUM</command>, <command>ANALYZE</command>, and a few DDL commands such as <command>CREATE INDEX</command>. + If the table has never yet been vacuumed or + analyzed, <structfield>reltuples</structfield> + contains <literal>-1</literal> indicating that the row count is + unknown. </para></entry> </row> diff --git a/doc/src/sgml/fdwhandler.sgml b/doc/src/sgml/fdwhandler.sgml index 74793035d7f..72fa1272120 100644 --- a/doc/src/sgml/fdwhandler.sgml +++ b/doc/src/sgml/fdwhandler.sgml @@ -130,7 +130,8 @@ GetForeignRelSize(PlannerInfo *root, (The initial value is from <structname>pg_class</structname>.<structfield>reltuples</structfield> which represents the total row count seen by the - last <command>ANALYZE</command>.) + last <command>ANALYZE</command>; it will be <literal>-1</literal> if + no <command>ANALYZE</command> has been done on this foreign table.) </para> <para> |