| /*------------------------------------------------------------------------- |
| * |
| * nodeMaterial.h |
| * |
| * |
| * |
| * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group |
| * Portions Copyright (c) 1994, Regents of the University of California |
| * |
| * $PostgreSQL: pgsql/src/include/executor/nodeMaterial.h,v 1.25 2006/03/05 15:58:56 momjian Exp $ |
| * |
| *------------------------------------------------------------------------- |
| */ |
| #ifndef NODEMATERIAL_H |
| #define NODEMATERIAL_H |
| |
| #include "nodes/execnodes.h" |
| #include "executor/nodeShareInputScan.h" |
| |
| static int sisc_writer_lock_fd = -1; |
| extern int ExecCountSlotsMaterial(Material *node); |
| extern MaterialState *ExecInitMaterial(Material *node, EState *estate, int eflags); |
| extern TupleTableSlot *ExecMaterial(MaterialState *node); |
| extern void ExecEndMaterial(MaterialState *node); |
| extern void ExecMaterialMarkPos(MaterialState *node); |
| extern void ExecMaterialRestrPos(MaterialState *node); |
| extern void ExecMaterialReScan(MaterialState *node, ExprContext *exprCtxt); |
| extern void ExecEagerFreeMaterial(MaterialState *node); |
| |
| enum { |
| GPMON_MATERIAL_RESCAN = GPMON_QEXEC_M_NODE_START, |
| GPMON_MATERIAL_TOTAL, |
| }; |
| |
| static inline gpmon_packet_t * GpmonPktFromMaterialState(MaterialState *node) |
| { |
| return &node->ss.ps.gpmon_pkt; |
| } |
| |
| #endif /* NODEMATERIAL_H */ |