diff --git a/doc/src/sgml/fdwhandler.sgml b/doc/src/sgml/fdwhandler.sgml index 9c818cd594364e591057fac2d83ef1c20e8b4962..6b5c8b7e97b3a6f2091e20892af67ac41fdeb088 100644 --- a/doc/src/sgml/fdwhandler.sgml +++ b/doc/src/sgml/fdwhandler.sgml @@ -873,11 +873,11 @@ GetForeignServerByName(const char *name, bool missing_ok); <para> In <function>GetForeignPlan</>, generally the passed-in target list can - be copied into the plan node as-is. The passed scan_clauses list + be copied into the plan node as-is. The passed <literal>scan_clauses</> list contains the same clauses as <literal>baserel->baserestrictinfo</>, but may be re-ordered for better execution efficiency. In simple cases the FDW can just strip <structname>RestrictInfo</> nodes from the - scan_clauses list (using <function>extract_actual_clauses</>) and put + <literal>scan_clauses</> list (using <function>extract_actual_clauses</>) and put all the clauses into the plan node's qual list, which means that all the clauses will be checked by the executor at run time. More complex FDWs may be able to check some of the clauses internally, in which case those @@ -895,7 +895,7 @@ GetForeignServerByName(const char *name, bool missing_ok); affect the cost estimate for the path. The path's <structfield>fdw_private</> field would probably include a pointer to the identified clause's <structname>RestrictInfo</> node. Then - <function>GetForeignPlan</> would remove that clause from scan_clauses, + <function>GetForeignPlan</> would remove that clause from <literal>scan_clauses</>, but add the <replaceable>sub_expression</> to <structfield>fdw_exprs</> to ensure that it gets massaged into executable form. It would probably also put control information into the plan node's