diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 61 |
1 files changed, 28 insertions, 33 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 5e68eae5270..8b06e2897d9 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.138 2005/09/25 19:37:35 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.139 2005/10/15 02:49:45 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -180,7 +180,7 @@ typedef struct ReturnSetInfo * ExecProject() evaluates the tlist, forms a tuple, and stores it * in the given slot. Note that the result will be a "virtual" tuple * unless ExecMaterializeSlot() is then called to force it to be - * converted to a physical tuple. The slot must have a tupledesc + * converted to a physical tuple. The slot must have a tupledesc * that matches the output of the tlist! * * The planner very often produces tlists that consist entirely of @@ -301,8 +301,7 @@ typedef struct EState /* Info about target table for insert/update/delete queries: */ ResultRelInfo *es_result_relations; /* array of ResultRelInfos */ int es_num_result_relations; /* length of array */ - ResultRelInfo *es_result_relation_info; /* currently active array - * elt */ + ResultRelInfo *es_result_relation_info; /* currently active array elt */ JunkFilter *es_junkFilter; /* currently active junk filter */ Relation es_into_relation_descriptor; /* for SELECT INTO */ @@ -330,17 +329,15 @@ typedef struct EState List *es_exprcontexts; /* List of ExprContexts within EState */ /* - * this ExprContext is for per-output-tuple operations, such as - * constraint checks and index-value computations. It will be reset - * for each output tuple. Note that it will be created only if - * needed. + * this ExprContext is for per-output-tuple operations, such as constraint + * checks and index-value computations. It will be reset for each output + * tuple. Note that it will be created only if needed. */ ExprContext *es_per_tuple_exprcontext; /* Below is to re-evaluate plan qual in READ COMMITTED mode */ Plan *es_topPlan; /* link to top of plan tree */ - struct evalPlanQual *es_evalPlanQual; /* chain of PlanQual - * states */ + struct evalPlanQual *es_evalPlanQual; /* chain of PlanQual states */ bool *es_evTupleNull; /* local array of EPQ status */ HeapTuple *es_evTuple; /* shared array of EPQ substitute tuples */ bool es_useEvalPlan; /* evaluating EPQ tuples? */ @@ -483,40 +480,39 @@ typedef struct FuncExprState List *args; /* states of argument expressions */ /* - * Function manager's lookup info for the target function. If - * func.fn_oid is InvalidOid, we haven't initialized it yet. + * Function manager's lookup info for the target function. If func.fn_oid + * is InvalidOid, we haven't initialized it yet. */ FmgrInfo func; /* - * We also need to store argument values across calls when evaluating - * a function-returning-set. + * We also need to store argument values across calls when evaluating a + * function-returning-set. * - * setArgsValid is true when we are evaluating a set-valued function and - * we are in the middle of a call series; we want to pass the same - * argument values to the function again (and again, until it returns + * setArgsValid is true when we are evaluating a set-valued function and we + * are in the middle of a call series; we want to pass the same argument + * values to the function again (and again, until it returns * ExprEndResult). */ bool setArgsValid; /* * Flag to remember whether we found a set-valued argument to the - * function. This causes the function result to be a set as well. - * Valid only when setArgsValid is true. + * function. This causes the function result to be a set as well. Valid + * only when setArgsValid is true. */ bool setHasSetArg; /* some argument returns a set */ /* * Flag to remember whether we have registered a shutdown callback for * this FuncExprState. We do so only if setArgsValid has been true at - * least once (since all the callback is for is to clear - * setArgsValid). + * least once (since all the callback is for is to clear setArgsValid). */ bool shutdown_reg; /* a shutdown callback is registered */ /* - * Current argument data for a set-valued function; contains valid - * data only if setArgsValid is true. + * Current argument data for a set-valued function; contains valid data + * only if setArgsValid is true. */ FunctionCallInfoData setArgs; } FuncExprState; @@ -740,25 +736,24 @@ typedef struct PlanState Plan *plan; /* associated Plan node */ - EState *state; /* at execution time, state's of - * individual nodes point to one EState - * for the whole top-level plan */ + EState *state; /* at execution time, state's of individual + * nodes point to one EState for the whole + * top-level plan */ struct Instrumentation *instrument; /* Optional runtime stats for this * plan node */ /* - * Common structural data for all Plan types. These links to - * subsidiary state trees parallel links in the associated plan tree - * (except for the subPlan list, which does not exist in the plan - * tree). + * Common structural data for all Plan types. These links to subsidiary + * state trees parallel links in the associated plan tree (except for the + * subPlan list, which does not exist in the plan tree). */ List *targetlist; /* target list to be computed at this node */ List *qual; /* implicitly-ANDed qual conditions */ struct PlanState *lefttree; /* input plan tree(s) */ struct PlanState *righttree; - List *initPlan; /* Init SubPlanState nodes (un-correlated - * expr subselects) */ + List *initPlan; /* Init SubPlanState nodes (un-correlated expr + * subselects) */ List *subPlan; /* SubPlanState nodes in my expressions */ /* @@ -1065,7 +1060,7 @@ typedef struct MergeJoinState { JoinState js; /* its first field is NodeTag */ int mj_NumClauses; - MergeJoinClause mj_Clauses; /* array of length mj_NumClauses */ + MergeJoinClause mj_Clauses; /* array of length mj_NumClauses */ int mj_JoinState; bool mj_FillOuter; bool mj_FillInner; |