diff options
Diffstat (limited to 'src/backend/optimizer/plan/initsplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/initsplan.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/backend/optimizer/plan/initsplan.c b/src/backend/optimizer/plan/initsplan.c index 974eb58d837..448cb734672 100644 --- a/src/backend/optimizer/plan/initsplan.c +++ b/src/backend/optimizer/plan/initsplan.c @@ -740,7 +740,7 @@ deconstruct_jointree(PlannerInfo *root) * * Inputs: * jtnode is the jointree node to examine - * below_outer_join is TRUE if this node is within the nullable side of a + * below_outer_join is true if this node is within the nullable side of a * higher-level outer join * Outputs: * *qualscope gets the set of base Relids syntactically included in this @@ -1609,8 +1609,8 @@ compute_semijoin_info(SpecialJoinInfo *sjinfo, List *clause) * as belonging to a higher join level, just add it to postponed_qual_list. * * 'clause': the qual clause to be distributed - * 'is_deduced': TRUE if the qual came from implied-equality deduction - * 'below_outer_join': TRUE if the qual is from a JOIN/ON that is below the + * 'is_deduced': true if the qual came from implied-equality deduction + * 'below_outer_join': true if the qual is from a JOIN/ON that is below the * nullable side of a higher-level outer join * 'jointype': type of join the qual is from (JOIN_INNER for a WHERE clause) * 'security_level': security_level to assign to the qual @@ -1621,7 +1621,7 @@ compute_semijoin_info(SpecialJoinInfo *sjinfo, List *clause) * baserels appearing on the outer (nonnullable) side of the join * (for FULL JOIN this includes both sides of the join, and must in fact * equal qualscope) - * 'deduced_nullable_relids': if is_deduced is TRUE, the nullable relids to + * 'deduced_nullable_relids': if is_deduced is true, the nullable relids to * impute to the clause; otherwise NULL * 'postponed_qual_list': list of PostponedQual structs, which we can add * this qual to if it turns out to belong to a higher join level. @@ -1631,9 +1631,9 @@ compute_semijoin_info(SpecialJoinInfo *sjinfo, List *clause) * 'ojscope' is needed if we decide to force the qual up to the outer-join * level, which will be ojscope not necessarily qualscope. * - * In normal use (when is_deduced is FALSE), at the time this is called, + * In normal use (when is_deduced is false), at the time this is called, * root->join_info_list must contain entries for all and only those special - * joins that are syntactically below this qual. But when is_deduced is TRUE, + * joins that are syntactically below this qual. But when is_deduced is true, * we are adding new deduced clauses after completion of deconstruct_jointree, * so it cannot be assumed that root->join_info_list has anything to do with * qual placement. @@ -2023,8 +2023,8 @@ distribute_qual_to_rels(PlannerInfo *root, Node *clause, * may force extra delay of higher-level outer joins. * * If the qual must be delayed, add relids to *relids_p to reflect the lowest - * safe level for evaluating the qual, and return TRUE. Any extra delay for - * higher-level joins is reflected by setting delay_upper_joins to TRUE in + * safe level for evaluating the qual, and return true. Any extra delay for + * higher-level joins is reflected by setting delay_upper_joins to true in * SpecialJoinInfo structs. We also compute nullable_relids, the set of * referenced relids that are nullable by lower outer joins (note that this * can be nonempty even for a non-delayed qual). @@ -2056,7 +2056,7 @@ distribute_qual_to_rels(PlannerInfo *root, Node *clause, * Lastly, a pushed-down qual that references the nullable side of any current * join_info_list member and has to be evaluated above that OJ (because its * required relids overlap the LHS too) causes that OJ's delay_upper_joins - * flag to be set TRUE. This will prevent any higher-level OJs from + * flag to be set true. This will prevent any higher-level OJs from * being interchanged with that OJ, which would result in not having any * correct place to evaluate the qual. (The case we care about here is a * sub-select WHERE clause within the RHS of some outer join. The WHERE @@ -2140,7 +2140,7 @@ check_outerjoin_delay(PlannerInfo *root, /* * check_equivalence_delay * Detect whether a potential equivalence clause is rendered unsafe - * by outer-join-delay considerations. Return TRUE if it's safe. + * by outer-join-delay considerations. Return true if it's safe. * * The initial tests in distribute_qual_to_rels will consider a mergejoinable * clause to be a potential equivalence clause if it is not outerjoin_delayed. |