Vadim B. Mikheev
parent
eab1471b2b
commit
6fcf2d7cb3
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: execnodes.h,v 1.12 1997/09/08 21:52:40 momjian Exp $
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* $Id: execnodes.h,v 1.13 1998/02/13 03:45:22 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -80,16 +80,17 @@ typedef struct RelationInfo
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*/
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typedef struct ExprContext
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{
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NodeTag type;
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TupleTableSlot *ecxt_scantuple;
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TupleTableSlot *ecxt_innertuple;
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TupleTableSlot *ecxt_outertuple;
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Relation ecxt_relation;
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Index ecxt_relid;
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ParamListInfo ecxt_param_list_info;
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List *ecxt_range_table;
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Datum *ecxt_values; /* precomputed values for aggreg */
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char *ecxt_nulls; /* null flags for aggreg values */
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NodeTag type;
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TupleTableSlot *ecxt_scantuple;
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TupleTableSlot *ecxt_innertuple;
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TupleTableSlot *ecxt_outertuple;
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Relation ecxt_relation;
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Index ecxt_relid;
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ParamListInfo ecxt_param_list_info;
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ParamExecData *ecxt_param_exec_vals; /* this is for subselects */
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List *ecxt_range_table;
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Datum *ecxt_values; /* precomputed values for aggreg */
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char *ecxt_nulls; /* null flags for aggreg values */
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} ExprContext;
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/* ----------------
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@ -193,18 +194,19 @@ typedef struct JunkFilter
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*/
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typedef struct EState
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{
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NodeTag type;
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ScanDirection es_direction;
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List *es_range_table;
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RelationInfo *es_result_relation_info;
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Relation es_into_relation_descriptor;
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ParamListInfo es_param_list_info;
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int es_BaseId;
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TupleTable es_tupleTable;
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JunkFilter *es_junkFilter;
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int *es_refcount;
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uint32 es_processed; /* # of tuples processed */
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Oid es_lastoid; /* last oid processed (by INSERT) */
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NodeTag type;
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ScanDirection es_direction;
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List *es_range_table;
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RelationInfo *es_result_relation_info;
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Relation es_into_relation_descriptor;
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ParamListInfo es_param_list_info;
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ParamExecData *es_param_exec_vals; /* this is for subselects */
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int es_BaseId;
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TupleTable es_tupleTable;
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JunkFilter *es_junkFilter;
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int *es_refcount;
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uint32 es_processed; /* # of tuples processed */
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Oid es_lastoid; /* last oid processed (by INSERT) */
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} EState;
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/* ----------------
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@ -292,7 +294,8 @@ typedef struct CommonState
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typedef struct ResultState
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{
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CommonState cstate; /* its first field is NodeTag */
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int rs_done;
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bool rs_done;
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bool rs_checkqual;
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} ResultState;
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/* ----------------
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: nodes.h,v 1.23 1998/01/17 04:53:38 momjian Exp $
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* $Id: nodes.h,v 1.24 1998/02/13 03:45:23 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -47,6 +47,7 @@ typedef enum NodeTag
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T_Choose,
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T_Tee,
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T_Group,
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T_SubPlan,
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/*---------------------
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* TAGS FOR PRIMITIVE NODES (primnodes.h)
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: params.h,v 1.6 1997/09/08 21:52:48 momjian Exp $
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* $Id: params.h,v 1.7 1998/02/13 03:45:24 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -36,12 +36,16 @@
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*
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* PARAM_OLD: Same as PARAM_NEW, but in this case we refer to
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* the "OLD" tuple.
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*
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* PARAM_EXEC: Evaluated by executor. Used for subselect...
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*
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*/
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#define PARAM_NAMED 11
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#define PARAM_NUM 12
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#define PARAM_NEW 13
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#define PARAM_OLD 14
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#define PARAM_EXEC 15
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#define PARAM_INVALID 100
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@ -87,4 +91,11 @@ typedef struct ParamListInfoData
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typedef ParamListInfoData *ParamListInfo;
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typedef struct ParamExecData
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{
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void *execPlan; /* plan must be executed to get param value */
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Datum value;
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bool isnull;
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} ParamExecData;
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#endif /* PARAMS_H */
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: plannodes.h,v 1.13 1998/01/15 19:00:13 momjian Exp $
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* $Id: plannodes.h,v 1.14 1998/02/13 03:45:25 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -74,6 +74,24 @@ typedef struct Plan
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List *qual; /* Node* or List* ?? */
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struct Plan *lefttree;
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struct Plan *righttree;
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List *extParam; /* indices of _all_ _external_ PARAM_EXEC for
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* this plan in global es_param_exec_vals.
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* Params from setParam from initPlan-s
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* are not included, but their execParam-s
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* are here!!! */
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List *locParam; /* someones from setParam-s */
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List *chgParam; /* list of changed ones from the above */
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List *initPlan; /* Init Plan nodes (un-correlated expr subselects) */
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List *subPlan; /* Other SubPlan nodes */
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/*
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* We really need in some TopPlan node to store range table and
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* resultRelation from Query there and get rid of Query itself
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* from Executor. Some other stuff like below could be put there, too.
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*/
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int nParamExec; /* Number of them in entire query. This is
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* to get Executor know about how many
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* param_exec there are in query plan. */
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} Plan;
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/* ----------------
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@ -335,4 +353,24 @@ typedef struct Tee
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* plans */
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} Tee;
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/* ---------------------
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* SubPlan node
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* ---------------------
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*/
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typedef struct SubPlan
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{
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NodeTag type;
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Plan *plan; /* subselect plan itself */
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int plan_id; /* dummy thing because of we haven't
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* equal funcs for plan nodes... actually,
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* we could put *plan itself somewhere else
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* (TopPlan node ?)... */
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List *rtable; /* range table */
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List *setParam; /* non-correlated EXPR & EXISTS subqueries
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* have to set some Params for paren Plan */
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List *parParam; /* indices of corr. Vars from parent plan */
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SubLink *sublink; /* SubLink node for subselects in WHERE and HAVING */
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bool shutdown; /* shutdown plan if TRUE */
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} SubPlan;
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#endif /* PLANNODES_H */
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@ -6,7 +6,7 @@
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: primnodes.h,v 1.18 1998/02/10 16:04:27 momjian Exp $
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* $Id: primnodes.h,v 1.19 1998/02/13 03:45:29 vadim Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -86,7 +86,7 @@ typedef struct Fjoin
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*/
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typedef enum OpType
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{
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OP_EXPR, FUNC_EXPR, OR_EXPR, AND_EXPR, NOT_EXPR
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OP_EXPR, FUNC_EXPR, OR_EXPR, AND_EXPR, NOT_EXPR, SUBPLAN_EXPR
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} OpType;
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typedef struct Expr
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@ -94,7 +94,7 @@ typedef struct Expr
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NodeTag type;
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Oid typeOid; /* oid of the type of this expr */
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OpType opType; /* type of the op */
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Node *oper; /* could be Oper or Func */
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Node *oper; /* could be Oper or Func or SubPlan */
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List *args; /* list of argument nodes */
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} Expr;
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