diff options
Diffstat (limited to 'src/backend/optimizer/util/var.c')
| -rw-r--r-- | src/backend/optimizer/util/var.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/backend/optimizer/util/var.c b/src/backend/optimizer/util/var.c index 705bf243d9..dbd9499750 100644 --- a/src/backend/optimizer/util/var.c +++ b/src/backend/optimizer/util/var.c @@ -260,7 +260,7 @@ contain_var_clause_walker(Node *node, void *context) * * Returns true if any such Var found. * - * Will recurse into sublinks. Also, may be invoked directly on a Query. + * Will recurse into sublinks. Also, may be invoked directly on a Query. */ bool contain_vars_of_level(Node *node, int levelsup) @@ -320,10 +320,10 @@ contain_vars_of_level_walker(Node *node, int *sublevels_up) * Find the parse location of any Var of the specified query level. * * Returns -1 if no such Var is in the querytree, or if they all have - * unknown parse location. (The former case is probably caller error, + * unknown parse location. (The former case is probably caller error, * but we don't bother to distinguish it from the latter case.) * - * Will recurse into sublinks. Also, may be invoked directly on a Query. + * Will recurse into sublinks. Also, may be invoked directly on a Query. * * Note: it might seem appropriate to merge this functionality into * contain_vars_of_level, but that would complicate that function's API. @@ -396,7 +396,7 @@ locate_var_of_level_walker(Node *node, * Returns -1 if no such Var is in the querytree, or if they all have * unknown parse location. * - * Will recurse into sublinks. Also, may be invoked directly on a Query. + * Will recurse into sublinks. Also, may be invoked directly on a Query. */ int locate_var_of_relation(Node *node, int relid, int levelsup) @@ -470,7 +470,7 @@ locate_var_of_relation_walker(Node *node, * * -1 is returned if the clause has no variables at all. * - * Will recurse into sublinks. Also, may be invoked directly on a Query. + * Will recurse into sublinks. Also, may be invoked directly on a Query. */ int find_minimum_var_level(Node *node) @@ -627,7 +627,7 @@ find_minimum_var_level_walker(Node *node, * Upper-level vars (with varlevelsup > 0) are not included. * (These probably represent errors too, but we don't complain.) * - * Returns list of nodes found. Note the nodes themselves are not + * Returns list of nodes found. Note the nodes themselves are not * copied, only referenced. * * Does not examine subqueries, therefore must only be used after reduction @@ -682,7 +682,7 @@ pull_var_clause_walker(Node *node, pull_var_clause_context *context) * flatten_join_alias_vars * Replace Vars that reference JOIN outputs with references to the original * relation variables instead. This allows quals involving such vars to be - * pushed down. Whole-row Vars that reference JOIN relations are expanded + * pushed down. Whole-row Vars that reference JOIN relations are expanded * into RowExpr constructs that name the individual output Vars. This * is necessary since we will not scan the JOIN as a base relation, which * is the only way that the executor can directly handle whole-row Vars. |