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Remove dashes in comments that don't need them, rewrap with pgindent.

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This commit is contained in:
Bruce Momjian
2001-03-22 06:16:21 +00:00
parent 9e1552607a
commit 0686d49da0
100 changed files with 4522 additions and 6023 deletions
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121
src/backend/executor/nodeMaterial.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/executor/nodeMaterial.c,v 1.34 2001/03/22 03:59:28 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/executor/nodeMaterial.c,v 1.35 2001/03/22 06:16:13 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -53,46 +53,41 @@ ExecMaterial(Material *node)
TupleTableSlot *slot;
bool should_free;
/* ----------------
* get state info from node
* ----------------
/*
* get state info from node
*/
matstate = node->matstate;
estate = node->plan.state;
dir = estate->es_direction;
tuplestorestate = (Tuplestorestate *) matstate->tuplestorestate;
/* ----------------
* If first time through, read all tuples from outer plan and
* pass them to tuplestore.c.
* Subsequent calls just fetch tuples from tuplestore.
* ----------------
/*
* If first time through, read all tuples from outer plan and pass
* them to tuplestore.c. Subsequent calls just fetch tuples from
* tuplestore.
*/
if (tuplestorestate == NULL)
{
Plan *outerNode;
/* ----------------
* Want to scan subplan in the forward direction while creating
* the stored data. (Does setting my direction actually affect
* the subplan? I bet this is useless code...)
* ----------------
/*
* Want to scan subplan in the forward direction while creating
* the stored data. (Does setting my direction actually affect
* the subplan? I bet this is useless code...)
*/
estate->es_direction = ForwardScanDirection;
/* ----------------
* Initialize tuplestore module.
* ----------------
/*
* Initialize tuplestore module.
*/
tuplestorestate = tuplestore_begin_heap(true, /* randomAccess */
SortMem);
matstate->tuplestorestate = (void *) tuplestorestate;
/* ----------------
* Scan the subplan and feed all the tuples to tuplestore.
* ----------------
/*
* Scan the subplan and feed all the tuples to tuplestore.
*/
outerNode = outerPlan((Plan *) node);
@@ -107,23 +102,20 @@ ExecMaterial(Material *node)
ExecClearTuple(slot);
}
/* ----------------
* Complete the store.
* ----------------
/*
* Complete the store.
*/
tuplestore_donestoring(tuplestorestate);
/* ----------------
* restore to user specified direction
* ----------------
/*
* restore to user specified direction
*/
estate->es_direction = dir;
}
/* ----------------
* Get the first or next tuple from tuplestore.
* Returns NULL if no more tuples.
* ----------------
/*
* Get the first or next tuple from tuplestore. Returns NULL if no
* more tuples.
*/
slot = (TupleTableSlot *) matstate->csstate.cstate.cs_ResultTupleSlot;
heapTuple = tuplestore_getheaptuple(tuplestorestate,
@@ -143,50 +135,44 @@ ExecInitMaterial(Material *node, EState *estate, Plan *parent)
MaterialState *matstate;
Plan *outerPlan;
/* ----------------
* assign the node's execution state
* ----------------
/*
* assign the node's execution state
*/
node->plan.state = estate;
/* ----------------
/*
* create state structure
* ----------------
*/
matstate = makeNode(MaterialState);
matstate->tuplestorestate = NULL;
node->matstate = matstate;
/* ----------------
* Miscellaneous initialization
/*
* Miscellaneous initialization
*
* Materialization nodes don't need ExprContexts because
* they never call ExecQual or ExecProject.
* ----------------
* Materialization nodes don't need ExprContexts because they never call
* ExecQual or ExecProject.
*/
#define MATERIAL_NSLOTS 1
/* ----------------
/*
* tuple table initialization
*
* material nodes only return tuples from their materialized
* relation.
* ----------------
* material nodes only return tuples from their materialized relation.
*/
ExecInitResultTupleSlot(estate, &matstate->csstate.cstate);
ExecInitScanTupleSlot(estate, &matstate->csstate);
/* ----------------
/*
* initializes child nodes
* ----------------
*/
outerPlan = outerPlan((Plan *) node);
ExecInitNode(outerPlan, estate, (Plan *) node);
/* ----------------
* initialize tuple type. no need to initialize projection
* info because this node doesn't do projections.
* ----------------
/*
* initialize tuple type. no need to initialize projection info
* because this node doesn't do projections.
*/
ExecAssignResultTypeFromOuterPlan((Plan *) node, &matstate->csstate.cstate);
ExecAssignScanTypeFromOuterPlan((Plan *) node, &matstate->csstate);
@@ -213,28 +199,24 @@ ExecEndMaterial(Material *node)
MaterialState *matstate;
Plan *outerPlan;
/* ----------------
* get info from the material state
* ----------------
/*
* get info from the material state
*/
matstate = node->matstate;
/* ----------------
* shut down the subplan
* ----------------
/*
* shut down the subplan
*/
outerPlan = outerPlan((Plan *) node);
ExecEndNode(outerPlan, (Plan *) node);
/* ----------------
* clean out the tuple table
* ----------------
/*
* clean out the tuple table
*/
ExecClearTuple(matstate->csstate.css_ScanTupleSlot);
/* ----------------
* Release tuplestore resources
* ----------------
/*
* Release tuplestore resources
*/
if (matstate->tuplestorestate != NULL)
tuplestore_end((Tuplestorestate *) matstate->tuplestorestate);
@@ -252,9 +234,8 @@ ExecMaterialMarkPos(Material *node)
{
MaterialState *matstate = node->matstate;
/* ----------------
* if we haven't materialized yet, just return.
* ----------------
/*
* if we haven't materialized yet, just return.
*/
if (!matstate->tuplestorestate)
return;
@@ -273,16 +254,14 @@ ExecMaterialRestrPos(Material *node)
{
MaterialState *matstate = node->matstate;
/* ----------------
* if we haven't materialized yet, just return.
* ----------------
/*
* if we haven't materialized yet, just return.
*/
if (!matstate->tuplestorestate)
return;
/* ----------------
* restore the scan to the previously marked position
* ----------------
/*
* restore the scan to the previously marked position
*/
tuplestore_restorepos((Tuplestorestate *) matstate->tuplestorestate);
}