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Data Structures | Macros | Typedefs | Functions | Variables
tuptable.h File Reference
#include "access/htup.h"
#include "access/sysattr.h"
#include "access/tupdesc.h"
#include "access/htup_details.h"
#include "storage/buf.h"
Include dependency graph for tuptable.h:
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Data Structures

struct  TupleTableSlot
 
struct  TupleTableSlotOps
 
struct  VirtualTupleTableSlot
 
struct  HeapTupleTableSlot
 
struct  BufferHeapTupleTableSlot
 
struct  MinimalTupleTableSlot
 

Macros

#define TTS_FLAG_EMPTY   (1 << 1)
 
#define TTS_EMPTY(slot)   (((slot)->tts_flags & TTS_FLAG_EMPTY) != 0)
 
#define TTS_FLAG_SHOULDFREE   (1 << 2)
 
#define TTS_SHOULDFREE(slot)   (((slot)->tts_flags & TTS_FLAG_SHOULDFREE) != 0)
 
#define TTS_FLAG_SLOW   (1 << 3)
 
#define TTS_SLOW(slot)   (((slot)->tts_flags & TTS_FLAG_SLOW) != 0)
 
#define TTS_FLAG_FIXED   (1 << 4)
 
#define TTS_FIXED(slot)   (((slot)->tts_flags & TTS_FLAG_FIXED) != 0)
 
#define FIELDNO_TUPLETABLESLOT_FLAGS   1
 
#define FIELDNO_TUPLETABLESLOT_NVALID   2
 
#define FIELDNO_TUPLETABLESLOT_TUPLEDESCRIPTOR   4
 
#define FIELDNO_TUPLETABLESLOT_VALUES   5
 
#define FIELDNO_TUPLETABLESLOT_ISNULL   6
 
#define TTS_IS_VIRTUAL(slot)   ((slot)->tts_ops == &TTSOpsVirtual)
 
#define TTS_IS_HEAPTUPLE(slot)   ((slot)->tts_ops == &TTSOpsHeapTuple)
 
#define TTS_IS_MINIMALTUPLE(slot)   ((slot)->tts_ops == &TTSOpsMinimalTuple)
 
#define TTS_IS_BUFFERTUPLE(slot)   ((slot)->tts_ops == &TTSOpsBufferHeapTuple)
 
#define FIELDNO_HEAPTUPLETABLESLOT_TUPLE   1
 
#define FIELDNO_HEAPTUPLETABLESLOT_OFF   2
 
#define FIELDNO_MINIMALTUPLETABLESLOT_TUPLE   1
 
#define FIELDNO_MINIMALTUPLETABLESLOT_OFF   4
 
#define TupIsNull(slot)   ((slot) == NULL || TTS_EMPTY(slot))
 

Typedefs

typedef struct TupleTableSlotOps TupleTableSlotOps
 
typedef struct TupleTableSlot TupleTableSlot
 
typedef struct VirtualTupleTableSlot VirtualTupleTableSlot
 
typedef struct HeapTupleTableSlot HeapTupleTableSlot
 
typedef struct BufferHeapTupleTableSlot BufferHeapTupleTableSlot
 
typedef struct MinimalTupleTableSlot MinimalTupleTableSlot
 

Functions

TupleTableSlot * MakeTupleTableSlot (TupleDesc tupleDesc, const TupleTableSlotOps *tts_ops)
 
TupleTableSlot * ExecAllocTableSlot (List **tupleTable, TupleDesc desc, const TupleTableSlotOps *tts_ops)
 
void ExecResetTupleTable (List *tupleTable, bool shouldFree)
 
TupleTableSlot * MakeSingleTupleTableSlot (TupleDesc tupdesc, const TupleTableSlotOps *tts_ops)
 
void ExecDropSingleTupleTableSlot (TupleTableSlot *slot)
 
void ExecSetSlotDescriptor (TupleTableSlot *slot, TupleDesc tupdesc)
 
TupleTableSlot * ExecStoreHeapTuple (HeapTuple tuple, TupleTableSlot *slot, bool shouldFree)
 
void ExecForceStoreHeapTuple (HeapTuple tuple, TupleTableSlot *slot, bool shouldFree)
 
TupleTableSlot * ExecStoreBufferHeapTuple (HeapTuple tuple, TupleTableSlot *slot, Buffer buffer)
 
TupleTableSlot * ExecStorePinnedBufferHeapTuple (HeapTuple tuple, TupleTableSlot *slot, Buffer buffer)
 
TupleTableSlot * ExecStoreMinimalTuple (MinimalTuple mtup, TupleTableSlot *slot, bool shouldFree)
 
void ExecForceStoreMinimalTuple (MinimalTuple mtup, TupleTableSlot *slot, bool shouldFree)
 
TupleTableSlot * ExecStoreVirtualTuple (TupleTableSlot *slot)
 
TupleTableSlot * ExecStoreAllNullTuple (TupleTableSlot *slot)
 
void ExecStoreHeapTupleDatum (Datum data, TupleTableSlot *slot)
 
HeapTuple ExecFetchSlotHeapTuple (TupleTableSlot *slot, bool materialize, bool *shouldFree)
 
MinimalTuple ExecFetchSlotMinimalTuple (TupleTableSlot *slot, bool *shouldFree)
 
Datum ExecFetchSlotHeapTupleDatum (TupleTableSlot *slot)
 
void slot_getmissingattrs (TupleTableSlot *slot, int startAttNum, int lastAttNum)
 
void slot_getsomeattrs_int (TupleTableSlot *slot, int attnum)
 
static void slot_getsomeattrs (TupleTableSlot *slot, int attnum)
 
static void slot_getallattrs (TupleTableSlot *slot)
 
static bool slot_attisnull (TupleTableSlot *slot, int attnum)
 
static Datum slot_getattr (TupleTableSlot *slot, int attnum, bool *isnull)
 
static Datum slot_getsysattr (TupleTableSlot *slot, int attnum, bool *isnull)
 
static TupleTableSlot * ExecClearTuple (TupleTableSlot *slot)
 
static void ExecMaterializeSlot (TupleTableSlot *slot)
 
static HeapTuple ExecCopySlotHeapTuple (TupleTableSlot *slot)
 
static MinimalTuple ExecCopySlotMinimalTuple (TupleTableSlot *slot)
 
static TupleTableSlot * ExecCopySlot (TupleTableSlot *dstslot, TupleTableSlot *srcslot)
 

Variables

PGDLLIMPORT const TupleTableSlotOps TTSOpsVirtual
 
PGDLLIMPORT const TupleTableSlotOps TTSOpsHeapTuple
 
PGDLLIMPORT const TupleTableSlotOps TTSOpsMinimalTuple
 
PGDLLIMPORT const TupleTableSlotOps TTSOpsBufferHeapTuple
 

Macro Definition Documentation

◆ FIELDNO_HEAPTUPLETABLESLOT_OFF

#define FIELDNO_HEAPTUPLETABLESLOT_OFF   2

Definition at line 251 of file tuptable.h.

Referenced by slot_compile_deform().

◆ FIELDNO_HEAPTUPLETABLESLOT_TUPLE

#define FIELDNO_HEAPTUPLETABLESLOT_TUPLE   1

Definition at line 249 of file tuptable.h.

Referenced by slot_compile_deform().

◆ FIELDNO_MINIMALTUPLETABLESLOT_OFF

#define FIELDNO_MINIMALTUPLETABLESLOT_OFF   4

Definition at line 286 of file tuptable.h.

Referenced by slot_compile_deform().

◆ FIELDNO_MINIMALTUPLETABLESLOT_TUPLE

#define FIELDNO_MINIMALTUPLETABLESLOT_TUPLE   1

Definition at line 282 of file tuptable.h.

Referenced by slot_compile_deform().

◆ FIELDNO_TUPLETABLESLOT_FLAGS

#define FIELDNO_TUPLETABLESLOT_FLAGS   1

Definition at line 118 of file tuptable.h.

Referenced by slot_compile_deform().

◆ FIELDNO_TUPLETABLESLOT_ISNULL

#define FIELDNO_TUPLETABLESLOT_ISNULL   6

Definition at line 127 of file tuptable.h.

Referenced by llvm_compile_expr(), and slot_compile_deform().

◆ FIELDNO_TUPLETABLESLOT_NVALID

#define FIELDNO_TUPLETABLESLOT_NVALID   2

Definition at line 120 of file tuptable.h.

Referenced by llvm_compile_expr(), and slot_compile_deform().

◆ FIELDNO_TUPLETABLESLOT_TUPLEDESCRIPTOR

#define FIELDNO_TUPLETABLESLOT_TUPLEDESCRIPTOR   4

Definition at line 123 of file tuptable.h.

◆ FIELDNO_TUPLETABLESLOT_VALUES

#define FIELDNO_TUPLETABLESLOT_VALUES   5

Definition at line 125 of file tuptable.h.

Referenced by llvm_compile_expr(), and slot_compile_deform().

◆ TTS_EMPTY

#define TTS_EMPTY (   slot)    (((slot)->tts_flags & TTS_FLAG_EMPTY) != 0)

Definition at line 97 of file tuptable.h.

Referenced by ExecCopySlot(), ExecCopySlotHeapTuple(), ExecDelete(), ExecFetchSlotHeapTuple(), ExecFetchSlotMinimalTuple(), ExecStoreVirtualTuple(), prepare_projection_slot(), tts_buffer_heap_copy_heap_tuple(), tts_buffer_heap_copy_minimal_tuple(), tts_buffer_heap_get_heap_tuple(), tts_buffer_heap_getsomeattrs(), tts_buffer_heap_materialize(), tts_heap_copy_heap_tuple(), tts_heap_get_heap_tuple(), tts_heap_getsomeattrs(), tts_heap_materialize(), tts_minimal_getsomeattrs(), tts_minimal_materialize(), tts_minimal_store_tuple(), tts_virtual_copy_heap_tuple(), and tts_virtual_copy_minimal_tuple().

◆ TTS_FIXED

#define TTS_FIXED (   slot)    (((slot)->tts_flags & TTS_FLAG_FIXED) != 0)

Definition at line 109 of file tuptable.h.

Referenced by ExecDropSingleTupleTableSlot(), ExecGetResultSlotOps(), ExecResetTupleTable(), and ExecSetSlotDescriptor().

◆ TTS_FLAG_EMPTY

#define TTS_FLAG_EMPTY   (1 << 1)

Definition at line 96 of file tuptable.h.

Referenced by ExecForceStoreHeapTuple(), ExecProject(), ExecStoreVirtualTuple(), MakeTupleTableSlot(), tts_buffer_heap_clear(), tts_buffer_heap_copyslot(), tts_buffer_heap_store_tuple(), tts_heap_clear(), tts_heap_store_tuple(), tts_minimal_clear(), tts_minimal_store_tuple(), tts_virtual_clear(), and tts_virtual_copyslot().

◆ TTS_FLAG_FIXED

#define TTS_FLAG_FIXED   (1 << 4)

Definition at line 108 of file tuptable.h.

Referenced by MakeTupleTableSlot().

◆ TTS_FLAG_SHOULDFREE

#define TTS_FLAG_SHOULDFREE   (1 << 2)

Definition at line 100 of file tuptable.h.

Referenced by ExecForceStoreHeapTuple(), tts_buffer_heap_clear(), tts_buffer_heap_copyslot(), tts_buffer_heap_materialize(), tts_buffer_heap_store_tuple(), tts_heap_clear(), tts_heap_materialize(), tts_heap_store_tuple(), tts_minimal_clear(), tts_minimal_materialize(), tts_minimal_store_tuple(), tts_virtual_clear(), and tts_virtual_materialize().

◆ TTS_FLAG_SLOW

#define TTS_FLAG_SLOW   (1 << 3)

Definition at line 104 of file tuptable.h.

Referenced by slot_compile_deform(), and slot_deform_heap_tuple().

◆ TTS_IS_BUFFERTUPLE

#define TTS_IS_BUFFERTUPLE (   slot)    ((slot)->tts_ops == &TTSOpsBufferHeapTuple)

Definition at line 231 of file tuptable.h.

Referenced by ExecForceStoreHeapTuple(), ExecStoreBufferHeapTuple(), ExecStorePinnedBufferHeapTuple(), heapam_fetch_row_version(), heapam_index_fetch_tuple(), heapam_scan_analyze_next_tuple(), heapam_tuple_lock(), and heapam_tuple_satisfies_snapshot().

◆ TTS_IS_HEAPTUPLE

#define TTS_IS_HEAPTUPLE (   slot)    ((slot)->tts_ops == &TTSOpsHeapTuple)

Definition at line 229 of file tuptable.h.

Referenced by ExecForceStoreHeapTuple(), and ExecStoreHeapTuple().

◆ TTS_IS_MINIMALTUPLE

#define TTS_IS_MINIMALTUPLE (   slot)    ((slot)->tts_ops == &TTSOpsMinimalTuple)

Definition at line 230 of file tuptable.h.

Referenced by ExecForceStoreMinimalTuple(), and ExecStoreMinimalTuple().

◆ TTS_IS_VIRTUAL

#define TTS_IS_VIRTUAL (   slot)    ((slot)->tts_ops == &TTSOpsVirtual)

Definition at line 228 of file tuptable.h.

◆ TTS_SHOULDFREE

#define TTS_SHOULDFREE (   slot)    (((slot)->tts_flags & TTS_FLAG_SHOULDFREE) != 0)

Definition at line 101 of file tuptable.h.

Referenced by tts_buffer_heap_clear(), tts_buffer_heap_copyslot(), tts_buffer_heap_materialize(), tts_buffer_heap_store_tuple(), tts_heap_clear(), tts_heap_materialize(), tts_minimal_clear(), tts_minimal_materialize(), tts_minimal_store_tuple(), tts_virtual_clear(), and tts_virtual_materialize().

◆ TTS_SLOW

#define TTS_SLOW (   slot)    (((slot)->tts_flags & TTS_FLAG_SLOW) != 0)

Definition at line 105 of file tuptable.h.

Referenced by slot_deform_heap_tuple().

◆ TupIsNull

#define TupIsNull (   slot)    ((slot) == NULL || TTS_EMPTY(slot))

Definition at line 293 of file tuptable.h.

Referenced by AfterTriggerSaveEvent(), agg_fill_hash_table(), agg_retrieve_direct(), begin_partition(), buildSubPlanHash(), check_constant_qual(), CteScanNext(), eval_windowaggregates(), EvalPlanQual(), EvalPlanQualFetchRowMark(), ExecAgg(), ExecAppend(), execCurrentOf(), ExecDelete(), ExecGather(), ExecGatherMerge(), ExecGroup(), ExecHashJoinImpl(), ExecHashJoinOuterGetTuple(), ExecLimit(), ExecLockRows(), ExecMaterial(), ExecMergeAppend(), ExecMergeJoin(), ExecModifyTable(), ExecNestLoop(), ExecParallelHashJoinOuterGetTuple(), ExecParallelHashJoinPartitionOuter(), ExecPostprocessPlan(), ExecProcNodeInstr(), ExecProjectSet(), ExecRecursiveUnion(), ExecResult(), ExecScan(), ExecScanFetch(), ExecScanSubPlan(), ExecSetParamPlan(), ExecSort(), ExecUnique(), ExecUpdate(), ExecutePlan(), fetch_input_tuple(), ForeignNext(), FunctionNext(), gather_getnext(), gather_merge_init(), gather_merge_readnext(), GetTupleForTrigger(), heap_compare_slots(), hypothetical_dense_rank_final(), MJEvalInnerValues(), MJEvalOuterValues(), MultiExecParallelHash(), MultiExecPrivateHash(), postgresRecheckForeignScan(), print_slot(), setop_fill_hash_table(), setop_retrieve_direct(), spool_tuples(), update_frameheadpos(), and update_frametailpos().

Typedef Documentation

◆ BufferHeapTupleTableSlot

typedef struct BufferHeapTupleTableSlot BufferHeapTupleTableSlot

◆ HeapTupleTableSlot

typedef struct HeapTupleTableSlot HeapTupleTableSlot

◆ MinimalTupleTableSlot

typedef struct MinimalTupleTableSlot MinimalTupleTableSlot

◆ TupleTableSlot

typedef struct TupleTableSlot TupleTableSlot

◆ TupleTableSlotOps

typedef struct TupleTableSlotOps TupleTableSlotOps

Definition at line 112 of file tuptable.h.

◆ VirtualTupleTableSlot

typedef struct VirtualTupleTableSlot VirtualTupleTableSlot

Function Documentation

◆ ExecAllocTableSlot()

TupleTableSlot* ExecAllocTableSlot ( List **  tupleTable,
TupleDesc  desc,
const TupleTableSlotOps *  tts_ops 
)

Definition at line 1136 of file execTuples.c.

References lappend(), and MakeTupleTableSlot().

Referenced by AfterTriggerSaveEvent(), ExecInitExtraTupleSlot(), ExecInitIndexOnlyScan(), ExecInitResultSlot(), ExecInitScanTupleSlot(), and find_hash_columns().

1138 {
1139  TupleTableSlot *slot = MakeTupleTableSlot(desc, tts_ops);
1140 
1141  *tupleTable = lappend(*tupleTable, slot);
1142 
1143  return slot;
1144 }
lappend
List * lappend(List *list, void *datum)
Definition: list.c:321
MakeTupleTableSlot
TupleTableSlot * MakeTupleTableSlot(TupleDesc tupleDesc, const TupleTableSlotOps *tts_ops)
Definition: execTuples.c:1077

◆ ExecClearTuple()

static TupleTableSlot* ExecClearTuple ( TupleTableSlot *  slot)
inlinestatic

Definition at line 426 of file tuptable.h.

References TupleTableSlotOps::clear, and TupleTableSlot::tts_ops.

Referenced by AfterTriggerExecute(), agg_retrieve_hash_table(), apply_handle_update(), apply_returning_filter(), ATRewriteTable(), begin_partition(), BitmapHeapNext(), buildSubPlanHash(), CopyFrom(), CopyMultiInsertBufferFlush(), CteScanNext(), do_tup_output(), eval_windowaggregates(), EvalPlanQual(), ExecAppend(), ExecARUpdateTriggers(), ExecCheckTIDVisible(), ExecComputeStoredGenerated(), ExecDelete(), ExecDropSingleTupleTableSlot(), ExecEndAgg(), ExecEndBitmapHeapScan(), ExecEndCteScan(), ExecEndCustomScan(), ExecEndForeignScan(), ExecEndFunctionScan(), ExecEndGather(), ExecEndGatherMerge(), ExecEndGroup(), ExecEndHashJoin(), ExecEndIndexOnlyScan(), ExecEndIndexScan(), ExecEndMaterial(), ExecEndMergeJoin(), ExecEndModifyTable(), ExecEndNamedTuplestoreScan(), ExecEndNestLoop(), ExecEndProjectSet(), ExecEndResult(), ExecEndSampleScan(), ExecEndSeqScan(), ExecEndSetOp(), ExecEndSort(), ExecEndSubqueryScan(), ExecEndTableFuncScan(), ExecEndTidScan(), ExecEndUnique(), ExecEndValuesScan(), ExecEndWindowAgg(), ExecEndWorkTableScan(), ExecEvalAggOrderedTransTuple(), ExecFilterJunk(), ExecFindPartition(), ExecForceStoreHeapTuple(), ExecForceStoreMinimalTuple(), ExecHashJoinGetSavedTuple(), ExecHashSubPlan(), ExecLockRows(), ExecMaterial(), ExecMergeAppend(), ExecOnConflictUpdate(), ExecParallelHashJoinOuterGetTuple(), ExecProject(), ExecProjectSRF(), ExecReScanAgg(), ExecReScanCteScan(), ExecReScanFunctionScan(), ExecReScanGroup(), ExecReScanMaterial(), ExecReScanMergeJoin(), ExecReScanNamedTuplestoreScan(), ExecReScanSetOp(), ExecReScanSort(), ExecReScanTableFuncScan(), ExecReScanUnique(), ExecReScanValuesScan(), ExecReScanWindowAgg(), ExecReScanWorkTableScan(), ExecResetTupleTable(), ExecScan(), ExecScanFetch(), ExecScanReScan(), ExecSetSlotDescriptor(), ExecStoreAllNullTuple(), ExecStoreHeapTupleDatum(), ExecUnique(), execute_attr_map_slot(), ExecWindowAgg(), fetch_remote_table_info(), fetch_table_list(), fileIterateForeignScan(), FunctionNext(), gather_getnext(), gather_merge_clear_tuples(), gather_merge_init(), get_actual_variable_endpoint(), get_returning_data(), heap_getnextslot(), heapam_scan_analyze_next_tuple(), heapam_scan_sample_next_tuple(), hypothetical_dense_rank_final(), hypothetical_rank_common(), IndexNext(), IndexNextWithReorder(), IndexOnlyNext(), lookup_hash_entry(), ordered_set_shutdown(), ordered_set_transition_multi(), postgresIterateDirectModify(), postgresIterateForeignScan(), process_ordered_aggregate_multi(), RunFromStore(), setop_retrieve_direct(), setop_retrieve_hash_table(), ShutdownSetExpr(), slot_modify_cstrings(), slot_store_cstrings(), StoreIndexTuple(), tablesample_getnext(), tfuncLoadRows(), TidNext(), tts_buffer_heap_copyslot(), tuplesort_gettupleslot(), tuplestore_gettupleslot(), update_frameheadpos(), update_frametailpos(), update_grouptailpos(), ValuesNext(), and WinRowsArePeers().

427 {
428  slot->tts_ops->clear(slot);
429 
430  return slot;
431 }
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::clear
void(* clear)(TupleTableSlot *slot)
Definition: tuptable.h:152

◆ ExecCopySlot()

static TupleTableSlot* ExecCopySlot ( TupleTableSlot *  dstslot,
TupleTableSlot *  srcslot 
)
inlinestatic

Definition at line 476 of file tuptable.h.

References Assert, TupleTableSlotOps::copyslot, TTS_EMPTY, and TupleTableSlot::tts_ops.

Referenced by apply_handle_update(), begin_partition(), CopyFrom(), CteScanNext(), EvalPlanQual(), ExecBRUpdateTriggers(), ExecGroup(), ExecMaterial(), ExecModifyTable(), ExecUnique(), ExecWindowAgg(), postgresRecheckForeignScan(), RelationFindReplTupleSeq(), spool_tuples(), update_frameheadpos(), and update_frametailpos().

477 {
478  Assert(!TTS_EMPTY(srcslot));
479 
480  dstslot->tts_ops->copyslot(dstslot, srcslot);
481 
482  return dstslot;
483 }
TTS_EMPTY
#define TTS_EMPTY(slot)
Definition: tuptable.h:97
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
Assert
#define Assert(condition)
Definition: c.h:732
TupleTableSlotOps::copyslot
void(* copyslot)(TupleTableSlot *dstslot, TupleTableSlot *srcslot)
Definition: tuptable.h:180

◆ ExecCopySlotHeapTuple()

static HeapTuple ExecCopySlotHeapTuple ( TupleTableSlot *  slot)
inlinestatic

Definition at line 453 of file tuptable.h.

References Assert, TupleTableSlotOps::copy_heap_tuple, TTS_EMPTY, and TupleTableSlot::tts_ops.

Referenced by acquire_sample_rows(), agg_retrieve_direct(), ExecScanSubPlan(), ExecSetParamPlan(), reorderqueue_push(), setop_retrieve_direct(), spi_printtup(), tts_buffer_heap_copyslot(), and tts_heap_copyslot().

454 {
455  Assert(!TTS_EMPTY(slot));
456 
457  return slot->tts_ops->copy_heap_tuple(slot);
458 }
TupleTableSlotOps::copy_heap_tuple
HeapTuple(* copy_heap_tuple)(TupleTableSlot *slot)
Definition: tuptable.h:206
TTS_EMPTY
#define TTS_EMPTY(slot)
Definition: tuptable.h:97
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
Assert
#define Assert(condition)
Definition: c.h:732

◆ ExecCopySlotMinimalTuple()

static MinimalTuple ExecCopySlotMinimalTuple ( TupleTableSlot *  slot)
inlinestatic

Definition at line 464 of file tuptable.h.

References TupleTableSlotOps::copy_minimal_tuple, and TupleTableSlot::tts_ops.

Referenced by copytup_heap(), LookupTupleHashEntry(), tts_minimal_copyslot(), and tuplestore_puttupleslot().

465 {
466  return slot->tts_ops->copy_minimal_tuple(slot);
467 }
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::copy_minimal_tuple
MinimalTuple(* copy_minimal_tuple)(TupleTableSlot *slot)
Definition: tuptable.h:216

◆ ExecDropSingleTupleTableSlot()

void ExecDropSingleTupleTableSlot ( TupleTableSlot *  slot)

Definition at line 1219 of file execTuples.c.

References Assert, ExecClearTuple(), IsA, pfree(), TupleTableSlotOps::release, ReleaseTupleDesc, TTS_FIXED, TupleTableSlot::tts_isnull, TupleTableSlot::tts_ops, TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by acquire_sample_rows(), afterTriggerInvokeEvents(), AlterDomainNotNull(), ATRewriteTable(), CatalogIndexInsert(), check_default_partition_contents(), check_exclusion_or_unique_constraint(), compute_index_stats(), CopyMultiInsertBufferCleanup(), CopyTo(), DefineQueryRewrite(), end_tup_output(), ExecCleanupTupleRouting(), ExecEndModifyTable(), fetch_remote_table_info(), fetch_table_list(), get_actual_variable_range(), heapam_index_build_range_scan(), heapam_index_validate_scan(), heapam_relation_copy_for_cluster(), hypothetical_dense_rank_final(), IndexCheckExclusion(), RelationFindReplTupleSeq(), RI_Initial_Check(), RunFromStore(), systable_endscan(), systable_endscan_ordered(), table_index_fetch_tuple_check(), tuplesort_end(), unique_key_recheck(), validateCheckConstraint(), validateDomainConstraint(), and validateForeignKeyConstraint().

1220 {
1221  /* This should match ExecResetTupleTable's processing of one slot */
1222  Assert(IsA(slot, TupleTableSlot));
1223  ExecClearTuple(slot);
1224  slot->tts_ops->release(slot);
1225  if (slot->tts_tupleDescriptor)
1226  ReleaseTupleDesc(slot->tts_tupleDescriptor);
1227  if (!TTS_FIXED(slot))
1228  {
1229  if (slot->tts_values)
1230  pfree(slot->tts_values);
1231  if (slot->tts_isnull)
1232  pfree(slot->tts_isnull);
1233  }
1234  pfree(slot);
1235 }
TTS_FIXED
#define TTS_FIXED(slot)
Definition: tuptable.h:109
IsA
#define IsA(nodeptr, _type_)
Definition: nodes.h:576
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::release
void(* release)(TupleTableSlot *slot)
Definition: tuptable.h:144
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
pfree
void pfree(void *pointer)
Definition: mcxt.c:1031
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Assert
#define Assert(condition)
Definition: c.h:732
ReleaseTupleDesc
#define ReleaseTupleDesc(tupdesc)
Definition: tupdesc.h:122

◆ ExecFetchSlotHeapTuple()

HeapTuple ExecFetchSlotHeapTuple ( TupleTableSlot *  slot,
bool  materialize,
bool *  shouldFree 
)

Definition at line 1609 of file execTuples.c.

References Assert, TupleTableSlotOps::copy_heap_tuple, TupleTableSlotOps::get_heap_tuple, TupleTableSlotOps::materialize, TTS_EMPTY, and TupleTableSlot::tts_ops.

Referenced by AfterTriggerExecute(), apply_returning_filter(), ExecBRDeleteTriggers(), ExecBRInsertTriggers(), ExecBRUpdateTriggers(), ExecFetchSlotHeapTupleDatum(), ExecIRInsertTriggers(), ExecIRUpdateTriggers(), heap_multi_insert(), heapam_relation_copy_for_cluster(), heapam_tuple_complete_speculative(), heapam_tuple_insert(), heapam_tuple_insert_speculative(), heapam_tuple_update(), systable_getnext(), systable_getnext_ordered(), systable_recheck_tuple(), tqueueReceiveSlot(), and validateForeignKeyConstraint().

1610 {
1611  /*
1612  * sanity checks
1613  */
1614  Assert(slot != NULL);
1615  Assert(!TTS_EMPTY(slot));
1616 
1617  /* Materialize the tuple so that the slot "owns" it, if requested. */
1618  if (materialize)
1619  slot->tts_ops->materialize(slot);
1620 
1621  if (slot->tts_ops->get_heap_tuple == NULL)
1622  {
1623  if (shouldFree)
1624  *shouldFree = true;
1625  return slot->tts_ops->copy_heap_tuple(slot);
1626  }
1627  else
1628  {
1629  if (shouldFree)
1630  *shouldFree = false;
1631  return slot->tts_ops->get_heap_tuple(slot);
1632  }
1633 }
TupleTableSlotOps::copy_heap_tuple
HeapTuple(* copy_heap_tuple)(TupleTableSlot *slot)
Definition: tuptable.h:206
TTS_EMPTY
#define TTS_EMPTY(slot)
Definition: tuptable.h:97
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::get_heap_tuple
HeapTuple(* get_heap_tuple)(TupleTableSlot *slot)
Definition: tuptable.h:188
Assert
#define Assert(condition)
Definition: c.h:732
TupleTableSlotOps::materialize
void(* materialize)(TupleTableSlot *slot)
Definition: tuptable.h:174

◆ ExecFetchSlotHeapTupleDatum()

Datum ExecFetchSlotHeapTupleDatum ( TupleTableSlot *  slot)

Definition at line 1688 of file execTuples.c.

References ExecFetchSlotHeapTuple(), heap_copy_tuple_as_datum(), pfree(), and TupleTableSlot::tts_tupleDescriptor.

Referenced by ExecMakeFunctionResultSet(), and postquel_get_single_result().

1689 {
1690  HeapTuple tup;
1691  TupleDesc tupdesc;
1692  bool shouldFree;
1693  Datum ret;
1694 
1695  /* Fetch slot's contents in regular-physical-tuple form */
1696  tup = ExecFetchSlotHeapTuple(slot, false, &shouldFree);
1697  tupdesc = slot->tts_tupleDescriptor;
1698 
1699  /* Convert to Datum form */
1700  ret = heap_copy_tuple_as_datum(tup, tupdesc);
1701 
1702  if (shouldFree)
1703  pfree(tup);
1704 
1705  return ret;
1706 }
pfree
void pfree(void *pointer)
Definition: mcxt.c:1031
ExecFetchSlotHeapTuple
HeapTuple ExecFetchSlotHeapTuple(TupleTableSlot *slot, bool materialize, bool *shouldFree)
Definition: execTuples.c:1609
heap_copy_tuple_as_datum
Datum heap_copy_tuple_as_datum(HeapTuple tuple, TupleDesc tupleDesc)
Definition: heaptuple.c:984
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Datum
uintptr_t Datum
Definition: postgres.h:367

◆ ExecFetchSlotMinimalTuple()

MinimalTuple ExecFetchSlotMinimalTuple ( TupleTableSlot *  slot,
bool *  shouldFree 
)

Definition at line 1657 of file execTuples.c.

References Assert, TupleTableSlotOps::copy_minimal_tuple, TupleTableSlotOps::get_minimal_tuple, TTS_EMPTY, and TupleTableSlot::tts_ops.

Referenced by ExecHashJoinImpl(), ExecHashSkewTableInsert(), ExecHashTableInsert(), ExecParallelHashJoinPartitionOuter(), ExecParallelHashTableInsert(), and ExecParallelHashTableInsertCurrentBatch().

1659 {
1660  /*
1661  * sanity checks
1662  */
1663  Assert(slot != NULL);
1664  Assert(!TTS_EMPTY(slot));
1665 
1666  if (slot->tts_ops->get_minimal_tuple)
1667  {
1668  if (shouldFree)
1669  *shouldFree = false;
1670  return slot->tts_ops->get_minimal_tuple(slot);
1671  }
1672  else
1673  {
1674  if (shouldFree)
1675  *shouldFree = true;
1676  return slot->tts_ops->copy_minimal_tuple(slot);
1677  }
1678 }
TTS_EMPTY
#define TTS_EMPTY(slot)
Definition: tuptable.h:97
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::get_minimal_tuple
MinimalTuple(* get_minimal_tuple)(TupleTableSlot *slot)
Definition: tuptable.h:196
TupleTableSlotOps::copy_minimal_tuple
MinimalTuple(* copy_minimal_tuple)(TupleTableSlot *slot)
Definition: tuptable.h:216
Assert
#define Assert(condition)
Definition: c.h:732

◆ ExecForceStoreHeapTuple()

void ExecForceStoreHeapTuple ( HeapTuple  tuple,
TupleTableSlot *  slot,
bool  shouldFree 
)

Definition at line 1434 of file execTuples.c.

References BufferHeapTupleTableSlot::base, ExecClearTuple(), ExecMaterializeSlot(), ExecStoreHeapTuple(), ExecStoreVirtualTuple(), heap_copytuple(), heap_deform_tuple(), MemoryContextSwitchTo(), pfree(), TTS_FLAG_EMPTY, TTS_FLAG_SHOULDFREE, TupleTableSlot::tts_flags, TTS_IS_BUFFERTUPLE, TTS_IS_HEAPTUPLE, TupleTableSlot::tts_isnull, TupleTableSlot::tts_mcxt, TupleTableSlot::tts_tupleDescriptor, TupleTableSlot::tts_values, and HeapTupleTableSlot::tuple.

Referenced by agg_retrieve_direct(), ExecARDeleteTriggers(), ExecARUpdateTriggers(), ExecBRDeleteTriggers(), ExecBRInsertTriggers(), ExecBRUpdateTriggers(), ExecDelete(), ExecIRDeleteTriggers(), ExecIRInsertTriggers(), ExecIRUpdateTriggers(), IndexNextWithReorder(), IndexOnlyNext(), and store_returning_result().

1437 {
1438  if (TTS_IS_HEAPTUPLE(slot))
1439  {
1440  ExecStoreHeapTuple(tuple, slot, shouldFree);
1441  }
1442  else if (TTS_IS_BUFFERTUPLE(slot))
1443  {
1444  MemoryContext oldContext;
1445  BufferHeapTupleTableSlot *bslot = (BufferHeapTupleTableSlot *) slot;
1446 
1447  ExecClearTuple(slot);
1448  slot->tts_flags |= TTS_FLAG_SHOULDFREE;
1449  slot->tts_flags &= ~TTS_FLAG_EMPTY;
1450  oldContext = MemoryContextSwitchTo(slot->tts_mcxt);
1451  bslot->base.tuple = heap_copytuple(tuple);
1452  MemoryContextSwitchTo(oldContext);
1453 
1454  if (shouldFree)
1455  pfree(tuple);
1456  }
1457  else
1458  {
1459  ExecClearTuple(slot);
1460  heap_deform_tuple(tuple, slot->tts_tupleDescriptor,
1461  slot->tts_values, slot->tts_isnull);
1462  ExecStoreVirtualTuple(slot);
1463 
1464  if (shouldFree)
1465  {
1466  ExecMaterializeSlot(slot);
1467  pfree(tuple);
1468  }
1469  }
1470 }
heap_copytuple
HeapTuple heap_copytuple(HeapTuple tuple)
Definition: heaptuple.c:680
TTS_FLAG_EMPTY
#define TTS_FLAG_EMPTY
Definition: tuptable.h:96
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
MemoryContextSwitchTo
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
Definition: palloc.h:109
TTS_FLAG_SHOULDFREE
#define TTS_FLAG_SHOULDFREE
Definition: tuptable.h:100
HeapTupleTableSlot::tuple
HeapTuple tuple
Definition: tuptable.h:250
TupleTableSlot::tts_mcxt
MemoryContext tts_mcxt
Definition: tuptable.h:129
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
TupleTableSlot::tts_flags
uint16 tts_flags
Definition: tuptable.h:119
pfree
void pfree(void *pointer)
Definition: mcxt.c:1031
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
TTS_IS_BUFFERTUPLE
#define TTS_IS_BUFFERTUPLE(slot)
Definition: tuptable.h:231
ExecMaterializeSlot
static void ExecMaterializeSlot(TupleTableSlot *slot)
Definition: tuptable.h:444
TTS_IS_HEAPTUPLE
#define TTS_IS_HEAPTUPLE(slot)
Definition: tuptable.h:229
heap_deform_tuple
void heap_deform_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *values, bool *isnull)
Definition: heaptuple.c:1249
BufferHeapTupleTableSlot::base
HeapTupleTableSlot base
Definition: tuptable.h:259
ExecStoreHeapTuple
TupleTableSlot * ExecStoreHeapTuple(HeapTuple tuple, TupleTableSlot *slot, bool shouldFree)
Definition: execTuples.c:1317
ExecStoreVirtualTuple
TupleTableSlot * ExecStoreVirtualTuple(TupleTableSlot *slot)
Definition: execTuples.c:1517

◆ ExecForceStoreMinimalTuple()

void ExecForceStoreMinimalTuple ( MinimalTuple  mtup,
TupleTableSlot *  slot,
bool  shouldFree 
)

Definition at line 1477 of file execTuples.c.

References ExecClearTuple(), ExecMaterializeSlot(), ExecStoreVirtualTuple(), heap_deform_tuple(), MINIMAL_TUPLE_OFFSET, pfree(), HeapTupleData::t_data, HeapTupleData::t_len, MinimalTupleData::t_len, TTS_IS_MINIMALTUPLE, TupleTableSlot::tts_isnull, tts_minimal_store_tuple(), TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by ExecHashJoinGetSavedTuple(), ExecParallelHashJoinNewBatch(), and ExecParallelHashJoinOuterGetTuple().

1480 {
1481  if (TTS_IS_MINIMALTUPLE(slot))
1482  {
1483  tts_minimal_store_tuple(slot, mtup, shouldFree);
1484  }
1485  else
1486  {
1487  HeapTupleData htup;
1488 
1489  ExecClearTuple(slot);
1490 
1491  htup.t_len = mtup->t_len + MINIMAL_TUPLE_OFFSET;
1492  htup.t_data = (HeapTupleHeader) ((char *) mtup - MINIMAL_TUPLE_OFFSET);
1493  heap_deform_tuple(&htup, slot->tts_tupleDescriptor,
1494  slot->tts_values, slot->tts_isnull);
1495  ExecStoreVirtualTuple(slot);
1496 
1497  if (shouldFree)
1498  {
1499  ExecMaterializeSlot(slot);
1500  pfree(mtup);
1501  }
1502  }
1503 }
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
HeapTupleHeader
HeapTupleHeaderData * HeapTupleHeader
Definition: htup.h:23
TTS_IS_MINIMALTUPLE
#define TTS_IS_MINIMALTUPLE(slot)
Definition: tuptable.h:230
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
HeapTupleData::t_data
HeapTupleHeader t_data
Definition: htup.h:68
pfree
void pfree(void *pointer)
Definition: mcxt.c:1031
HeapTupleData::t_len
uint32 t_len
Definition: htup.h:64
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
tts_minimal_store_tuple
static void tts_minimal_store_tuple(TupleTableSlot *slot, MinimalTuple mtup, bool shouldFree)
Definition: execTuples.c:598
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
ExecMaterializeSlot
static void ExecMaterializeSlot(TupleTableSlot *slot)
Definition: tuptable.h:444
MINIMAL_TUPLE_OFFSET
#define MINIMAL_TUPLE_OFFSET
Definition: htup_details.h:619
heap_deform_tuple
void heap_deform_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *values, bool *isnull)
Definition: heaptuple.c:1249
ExecStoreVirtualTuple
TupleTableSlot * ExecStoreVirtualTuple(TupleTableSlot *slot)
Definition: execTuples.c:1517

◆ ExecMaterializeSlot()

static void ExecMaterializeSlot ( TupleTableSlot *  slot)
inlinestatic

Definition at line 444 of file tuptable.h.

References TupleTableSlotOps::materialize, and TupleTableSlot::tts_ops.

Referenced by CopyFrom(), EvalPlanQual(), ExecBRUpdateTriggers(), ExecComputeStoredGenerated(), ExecDelete(), ExecForceStoreHeapTuple(), ExecForceStoreMinimalTuple(), ExecInsert(), ExecUpdate(), and RelationFindReplTupleByIndex().

445 {
446  slot->tts_ops->materialize(slot);
447 }
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::materialize
void(* materialize)(TupleTableSlot *slot)
Definition: tuptable.h:174

◆ ExecResetTupleTable()

void ExecResetTupleTable ( List *  tupleTable,
bool  shouldFree 
)

Definition at line 1156 of file execTuples.c.

References ExecClearTuple(), lfirst_node, list_free(), pfree(), TupleTableSlotOps::release, ReleaseTupleDesc, TTS_FIXED, TupleTableSlot::tts_isnull, TupleTableSlot::tts_ops, TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by afterTriggerInvokeEvents(), apply_handle_delete(), apply_handle_insert(), apply_handle_update(), CopyFrom(), EvalPlanQualEnd(), and ExecEndPlan().

1158 {
1159  ListCell *lc;
1160 
1161  foreach(lc, tupleTable)
1162  {
1163  TupleTableSlot *slot = lfirst_node(TupleTableSlot, lc);
1164 
1165  /* Always release resources and reset the slot to empty */
1166  ExecClearTuple(slot);
1167  slot->tts_ops->release(slot);
1168  if (slot->tts_tupleDescriptor)
1169  {
1170  ReleaseTupleDesc(slot->tts_tupleDescriptor);
1171  slot->tts_tupleDescriptor = NULL;
1172  }
1173 
1174  /* If shouldFree, release memory occupied by the slot itself */
1175  if (shouldFree)
1176  {
1177  if (!TTS_FIXED(slot))
1178  {
1179  if (slot->tts_values)
1180  pfree(slot->tts_values);
1181  if (slot->tts_isnull)
1182  pfree(slot->tts_isnull);
1183  }
1184  pfree(slot);
1185  }
1186  }
1187 
1188  /* If shouldFree, release the list structure */
1189  if (shouldFree)
1190  list_free(tupleTable);
1191 }
TTS_FIXED
#define TTS_FIXED(slot)
Definition: tuptable.h:109
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlotOps::release
void(* release)(TupleTableSlot *slot)
Definition: tuptable.h:144
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
pfree
void pfree(void *pointer)
Definition: mcxt.c:1031
lfirst_node
#define lfirst_node(type, lc)
Definition: pg_list.h:193
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
list_free
void list_free(List *list)
Definition: list.c:1373
ReleaseTupleDesc
#define ReleaseTupleDesc(tupdesc)
Definition: tupdesc.h:122

◆ ExecSetSlotDescriptor()

void ExecSetSlotDescriptor ( TupleTableSlot *  slot,
TupleDesc  tupdesc 
)

Definition at line 1254 of file execTuples.c.

References Assert, ExecClearTuple(), MemoryContextAlloc(), TupleDescData::natts, pfree(), PinTupleDesc, ReleaseTupleDesc, TTS_FIXED, TupleTableSlot::tts_isnull, TupleTableSlot::tts_mcxt, TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by ExecAssignScanType(), ExecInitJunkFilter(), and ExecInitJunkFilterConversion().

1256 {
1257  Assert(!TTS_FIXED(slot));
1258 
1259  /* For safety, make sure slot is empty before changing it */
1260  ExecClearTuple(slot);
1261 
1262  /*
1263  * Release any old descriptor. Also release old Datum/isnull arrays if
1264  * present (we don't bother to check if they could be re-used).
1265  */
1266  if (slot->tts_tupleDescriptor)
1267  ReleaseTupleDesc(slot->tts_tupleDescriptor);
1268 
1269  if (slot->tts_values)
1270  pfree(slot->tts_values);
1271  if (slot->tts_isnull)
1272  pfree(slot->tts_isnull);
1273 
1274  /*
1275  * Install the new descriptor; if it's refcounted, bump its refcount.
1276  */
1277  slot->tts_tupleDescriptor = tupdesc;
1278  PinTupleDesc(tupdesc);
1279 
1280  /*
1281  * Allocate Datum/isnull arrays of the appropriate size. These must have
1282  * the same lifetime as the slot, so allocate in the slot's own context.
1283  */
1284  slot->tts_values = (Datum *)
1285  MemoryContextAlloc(slot->tts_mcxt, tupdesc->natts * sizeof(Datum));
1286  slot->tts_isnull = (bool *)
1287  MemoryContextAlloc(slot->tts_mcxt, tupdesc->natts * sizeof(bool));
1288 }
TTS_FIXED
#define TTS_FIXED(slot)
Definition: tuptable.h:109
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
TupleTableSlot::tts_mcxt
MemoryContext tts_mcxt
Definition: tuptable.h:129
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
pfree
void pfree(void *pointer)
Definition: mcxt.c:1031
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Datum
uintptr_t Datum
Definition: postgres.h:367
Assert
#define Assert(condition)
Definition: c.h:732
PinTupleDesc
#define PinTupleDesc(tupdesc)
Definition: tupdesc.h:116
MemoryContextAlloc
void * MemoryContextAlloc(MemoryContext context, Size size)
Definition: mcxt.c:771
ReleaseTupleDesc
#define ReleaseTupleDesc(tupdesc)
Definition: tupdesc.h:122

◆ ExecStoreAllNullTuple()

TupleTableSlot* ExecStoreAllNullTuple ( TupleTableSlot *  slot)

Definition at line 1541 of file execTuples.c.

References Assert, ExecClearTuple(), ExecStoreVirtualTuple(), MemSet, TupleDescData::natts, TupleTableSlot::tts_isnull, TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by BitmapHeapNext(), ExecDelete(), ExecInitNullTupleSlot(), get_returning_data(), and prepare_projection_slot().

1542 {
1543  /*
1544  * sanity checks
1545  */
1546  Assert(slot != NULL);
1547  Assert(slot->tts_tupleDescriptor != NULL);
1548 
1549  /* Clear any old contents */
1550  ExecClearTuple(slot);
1551 
1552  /*
1553  * Fill all the columns of the virtual tuple with nulls
1554  */
1555  MemSet(slot->tts_values, 0,
1556  slot->tts_tupleDescriptor->natts * sizeof(Datum));
1557  memset(slot->tts_isnull, true,
1558  slot->tts_tupleDescriptor->natts * sizeof(bool));
1559 
1560  return ExecStoreVirtualTuple(slot);
1561 }
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
MemSet
#define MemSet(start, val, len)
Definition: c.h:955
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Datum
uintptr_t Datum
Definition: postgres.h:367
Assert
#define Assert(condition)
Definition: c.h:732
ExecStoreVirtualTuple
TupleTableSlot * ExecStoreVirtualTuple(TupleTableSlot *slot)
Definition: execTuples.c:1517

◆ ExecStoreBufferHeapTuple()

TupleTableSlot* ExecStoreBufferHeapTuple ( HeapTuple  tuple,
TupleTableSlot *  slot,
Buffer  buffer 
)

Definition at line 1357 of file execTuples.c.

References Assert, BufferIsValid, elog, ERROR, HeapTupleData::t_tableOid, tts_buffer_heap_store_tuple(), TTS_IS_BUFFERTUPLE, TupleTableSlot::tts_tableOid, TupleTableSlot::tts_tupleDescriptor, and unlikely.

Referenced by heap_getnextslot(), heapam_index_build_range_scan(), heapam_index_fetch_tuple(), heapam_scan_analyze_next_tuple(), heapam_scan_bitmap_next_tuple(), and heapam_scan_sample_next_tuple().

1360 {
1361  /*
1362  * sanity checks
1363  */
1364  Assert(tuple != NULL);
1365  Assert(slot != NULL);
1366  Assert(slot->tts_tupleDescriptor != NULL);
1367  Assert(BufferIsValid(buffer));
1368 
1369  if (unlikely(!TTS_IS_BUFFERTUPLE(slot)))
1370  elog(ERROR, "trying to store an on-disk heap tuple into wrong type of slot");
1371  tts_buffer_heap_store_tuple(slot, tuple, buffer, false);
1372 
1373  slot->tts_tableOid = tuple->t_tableOid;
1374 
1375  return slot;
1376 }
TupleTableSlot::tts_tableOid
Oid tts_tableOid
Definition: tuptable.h:131
tts_buffer_heap_store_tuple
static void tts_buffer_heap_store_tuple(TupleTableSlot *slot, HeapTuple tuple, Buffer buffer, bool transfer_pin)
Definition: execTuples.c:824
ERROR
#define ERROR
Definition: elog.h:43
HeapTupleData::t_tableOid
Oid t_tableOid
Definition: htup.h:66
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
TTS_IS_BUFFERTUPLE
#define TTS_IS_BUFFERTUPLE(slot)
Definition: tuptable.h:231
Assert
#define Assert(condition)
Definition: c.h:732
BufferIsValid
#define BufferIsValid(bufnum)
Definition: bufmgr.h:113
elog
#define elog(elevel,...)
Definition: elog.h:226
unlikely
#define unlikely(x)
Definition: c.h:208

◆ ExecStoreHeapTuple()

TupleTableSlot* ExecStoreHeapTuple ( HeapTuple  tuple,
TupleTableSlot *  slot,
bool  shouldFree 
)

Definition at line 1317 of file execTuples.c.

References Assert, elog, ERROR, HeapTupleData::t_tableOid, tts_heap_store_tuple(), TTS_IS_HEAPTUPLE, TupleTableSlot::tts_tableOid, TupleTableSlot::tts_tupleDescriptor, and unlikely.

Referenced by CatalogIndexInsert(), comparetup_cluster(), compute_index_stats(), ExecForceStoreHeapTuple(), ExecuteCallStmt(), gather_getnext(), gather_merge_readnext(), get_returning_data(), heapam_index_validate_scan(), postgresIterateForeignScan(), setop_retrieve_direct(), and tts_heap_copyslot().

1320 {
1321  /*
1322  * sanity checks
1323  */
1324  Assert(tuple != NULL);
1325  Assert(slot != NULL);
1326  Assert(slot->tts_tupleDescriptor != NULL);
1327 
1328  if (unlikely(!TTS_IS_HEAPTUPLE(slot)))
1329  elog(ERROR, "trying to store a heap tuple into wrong type of slot");
1330  tts_heap_store_tuple(slot, tuple, shouldFree);
1331 
1332  slot->tts_tableOid = tuple->t_tableOid;
1333 
1334  return slot;
1335 }
TupleTableSlot::tts_tableOid
Oid tts_tableOid
Definition: tuptable.h:131
ERROR
#define ERROR
Definition: elog.h:43
HeapTupleData::t_tableOid
Oid t_tableOid
Definition: htup.h:66
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
TTS_IS_HEAPTUPLE
#define TTS_IS_HEAPTUPLE(slot)
Definition: tuptable.h:229
Assert
#define Assert(condition)
Definition: c.h:732
elog
#define elog(elevel,...)
Definition: elog.h:226
tts_heap_store_tuple
static void tts_heap_store_tuple(TupleTableSlot *slot, HeapTuple tuple, bool shouldFree)
Definition: execTuples.c:431
unlikely
#define unlikely(x)
Definition: c.h:208

◆ ExecStoreHeapTupleDatum()

void ExecStoreHeapTupleDatum ( Datum  data,
TupleTableSlot *  slot 
)

Definition at line 1571 of file execTuples.c.

References DatumGetHeapTupleHeader, ExecClearTuple(), ExecStoreVirtualTuple(), heap_deform_tuple(), HeapTupleHeaderGetDatumLength, HeapTupleHeaderData::t_ctid, HeapTupleData::t_data, HeapTupleData::t_len, HeapTupleData::t_self, TupleTableSlot::tts_isnull, TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by EvalPlanQualFetchRowMark().

1572 {
1573  HeapTupleData tuple = {0};
1574  HeapTupleHeader td;
1575 
1576  td = DatumGetHeapTupleHeader(data);
1577 
1578  tuple.t_len = HeapTupleHeaderGetDatumLength(td);
1579  tuple.t_self = td->t_ctid;
1580  tuple.t_data = td;
1581 
1582  ExecClearTuple(slot);
1583 
1584  heap_deform_tuple(&tuple, slot->tts_tupleDescriptor,
1585  slot->tts_values, slot->tts_isnull);
1586  ExecStoreVirtualTuple(slot);
1587 }
ExecClearTuple
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:426
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
DatumGetHeapTupleHeader
#define DatumGetHeapTupleHeader(X)
Definition: fmgr.h:289
HeapTupleData::t_data
HeapTupleHeader t_data
Definition: htup.h:68
HeapTupleHeaderData::t_ctid
ItemPointerData t_ctid
Definition: htup_details.h:160
HeapTupleData::t_self
ItemPointerData t_self
Definition: htup.h:65
HeapTupleData::t_len
uint32 t_len
Definition: htup.h:64
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
heap_deform_tuple
void heap_deform_tuple(HeapTuple tuple, TupleDesc tupleDesc, Datum *values, bool *isnull)
Definition: heaptuple.c:1249
ExecStoreVirtualTuple
TupleTableSlot * ExecStoreVirtualTuple(TupleTableSlot *slot)
Definition: execTuples.c:1517
HeapTupleHeaderGetDatumLength
#define HeapTupleHeaderGetDatumLength(tup)
Definition: htup_details.h:452

◆ ExecStoreMinimalTuple()

TupleTableSlot* ExecStoreMinimalTuple ( MinimalTuple  mtup,
TupleTableSlot *  slot,
bool  shouldFree 
)

Definition at line 1411 of file execTuples.c.

References Assert, elog, ERROR, TTS_IS_MINIMALTUPLE, tts_minimal_store_tuple(), TupleTableSlot::tts_tupleDescriptor, and unlikely.

Referenced by agg_retrieve_hash_table(), ExecParallelScanHashBucket(), ExecScanHashBucket(), ExecScanHashTableForUnmatched(), findPartialMatch(), setop_retrieve_hash_table(), tts_minimal_copyslot(), TupleHashTableHash(), TupleHashTableMatch(), tuplesort_gettupleslot(), and tuplestore_gettupleslot().

1414 {
1415  /*
1416  * sanity checks
1417  */
1418  Assert(mtup != NULL);
1419  Assert(slot != NULL);
1420  Assert(slot->tts_tupleDescriptor != NULL);
1421 
1422  if (unlikely(!TTS_IS_MINIMALTUPLE(slot)))
1423  elog(ERROR, "trying to store a minimal tuple into wrong type of slot");
1424  tts_minimal_store_tuple(slot, mtup, shouldFree);
1425 
1426  return slot;
1427 }
TTS_IS_MINIMALTUPLE
#define TTS_IS_MINIMALTUPLE(slot)
Definition: tuptable.h:230
ERROR
#define ERROR
Definition: elog.h:43
tts_minimal_store_tuple
static void tts_minimal_store_tuple(TupleTableSlot *slot, MinimalTuple mtup, bool shouldFree)
Definition: execTuples.c:598
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Assert
#define Assert(condition)
Definition: c.h:732
elog
#define elog(elevel,...)
Definition: elog.h:226
unlikely
#define unlikely(x)
Definition: c.h:208

◆ ExecStorePinnedBufferHeapTuple()

TupleTableSlot* ExecStorePinnedBufferHeapTuple ( HeapTuple  tuple,
TupleTableSlot *  slot,
Buffer  buffer 
)

Definition at line 1383 of file execTuples.c.

References Assert, BufferIsValid, elog, ERROR, HeapTupleData::t_tableOid, tts_buffer_heap_store_tuple(), TTS_IS_BUFFERTUPLE, TupleTableSlot::tts_tableOid, TupleTableSlot::tts_tupleDescriptor, and unlikely.

Referenced by heapam_fetch_row_version(), and heapam_tuple_lock().

1386 {
1387  /*
1388  * sanity checks
1389  */
1390  Assert(tuple != NULL);
1391  Assert(slot != NULL);
1392  Assert(slot->tts_tupleDescriptor != NULL);
1393  Assert(BufferIsValid(buffer));
1394 
1395  if (unlikely(!TTS_IS_BUFFERTUPLE(slot)))
1396  elog(ERROR, "trying to store an on-disk heap tuple into wrong type of slot");
1397  tts_buffer_heap_store_tuple(slot, tuple, buffer, true);
1398 
1399  slot->tts_tableOid = tuple->t_tableOid;
1400 
1401  return slot;
1402 }
TupleTableSlot::tts_tableOid
Oid tts_tableOid
Definition: tuptable.h:131
tts_buffer_heap_store_tuple
static void tts_buffer_heap_store_tuple(TupleTableSlot *slot, HeapTuple tuple, Buffer buffer, bool transfer_pin)
Definition: execTuples.c:824
ERROR
#define ERROR
Definition: elog.h:43
HeapTupleData::t_tableOid
Oid t_tableOid
Definition: htup.h:66
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
TTS_IS_BUFFERTUPLE
#define TTS_IS_BUFFERTUPLE(slot)
Definition: tuptable.h:231
Assert
#define Assert(condition)
Definition: c.h:732
BufferIsValid
#define BufferIsValid(bufnum)
Definition: bufmgr.h:113
elog
#define elog(elevel,...)
Definition: elog.h:226
unlikely
#define unlikely(x)
Definition: c.h:208

◆ ExecStoreVirtualTuple()

TupleTableSlot* ExecStoreVirtualTuple ( TupleTableSlot *  slot)

Definition at line 1517 of file execTuples.c.

References Assert, TupleDescData::natts, TTS_EMPTY, TTS_FLAG_EMPTY, TupleTableSlot::tts_flags, TupleTableSlot::tts_nvalid, and TupleTableSlot::tts_tupleDescriptor.

Referenced by agg_retrieve_hash_table(), apply_returning_filter(), ATRewriteTable(), CopyFrom(), do_tup_output(), ExecComputeStoredGenerated(), ExecEvalAggOrderedTransTuple(), ExecFilterJunk(), ExecForceStoreHeapTuple(), ExecForceStoreMinimalTuple(), ExecProjectSRF(), ExecStoreAllNullTuple(), ExecStoreHeapTupleDatum(), execute_attr_map_slot(), fileIterateForeignScan(), FunctionNext(), hypothetical_dense_rank_final(), hypothetical_rank_common(), lookup_hash_entry(), ordered_set_transition_multi(), RI_Initial_Check(), RI_PartitionRemove_Check(), slot_modify_cstrings(), slot_store_cstrings(), StoreIndexTuple(), and ValuesNext().

1518 {
1519  /*
1520  * sanity checks
1521  */
1522  Assert(slot != NULL);
1523  Assert(slot->tts_tupleDescriptor != NULL);
1524  Assert(TTS_EMPTY(slot));
1525 
1526  slot->tts_flags &= ~TTS_FLAG_EMPTY;
1527  slot->tts_nvalid = slot->tts_tupleDescriptor->natts;
1528 
1529  return slot;
1530 }
TTS_FLAG_EMPTY
#define TTS_FLAG_EMPTY
Definition: tuptable.h:96
TTS_EMPTY
#define TTS_EMPTY(slot)
Definition: tuptable.h:97
TupleTableSlot::tts_flags
uint16 tts_flags
Definition: tuptable.h:119
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Assert
#define Assert(condition)
Definition: c.h:732
TupleTableSlot::tts_nvalid
AttrNumber tts_nvalid
Definition: tuptable.h:121

◆ MakeSingleTupleTableSlot()

TupleTableSlot* MakeSingleTupleTableSlot ( TupleDesc  tupdesc,
const TupleTableSlotOps *  tts_ops 
)

Definition at line 1203 of file execTuples.c.

References MakeTupleTableSlot().

Referenced by afterTriggerInvokeEvents(), ATRewriteTable(), begin_tup_output_tupdesc(), BuildTupleHashTableExt(), CatalogIndexInsert(), check_sql_fn_retval(), compute_index_stats(), ExecInitJunkFilter(), ExecInitJunkFilterConversion(), ExecInitPartitionDispatchInfo(), ExecPrepareTuplestoreResult(), fetch_remote_table_info(), fetch_table_list(), heapam_index_validate_scan(), hypothetical_dense_rank_final(), ordered_set_startup(), RI_Initial_Check(), RI_PartitionRemove_Check(), RunFromStore(), table_slot_create(), and tuplesort_begin_cluster().

1205 {
1206  TupleTableSlot *slot = MakeTupleTableSlot(tupdesc, tts_ops);
1207 
1208  return slot;
1209 }
MakeTupleTableSlot
TupleTableSlot * MakeTupleTableSlot(TupleDesc tupleDesc, const TupleTableSlotOps *tts_ops)
Definition: execTuples.c:1077

◆ MakeTupleTableSlot()

TupleTableSlot* MakeTupleTableSlot ( TupleDesc  tupleDesc,
const TupleTableSlotOps *  tts_ops 
)

Definition at line 1077 of file execTuples.c.

References TupleTableSlotOps::base_slot_size, CurrentMemoryContext, TupleTableSlotOps::init, MAXALIGN, TupleDescData::natts, palloc0(), PinTupleDesc, T_TupleTableSlot, TTS_FLAG_EMPTY, TTS_FLAG_FIXED, TupleTableSlot::tts_flags, TupleTableSlot::tts_isnull, TupleTableSlot::tts_mcxt, TupleTableSlot::tts_nvalid, TupleTableSlot::tts_ops, TupleTableSlot::tts_tupleDescriptor, TupleTableSlot::tts_values, and TupleTableSlot::type.

Referenced by ExecAllocTableSlot(), ExecConstraints(), ExecPartitionCheckEmitError(), ExecWithCheckOptions(), and MakeSingleTupleTableSlot().

1079 {
1080  Size basesz,
1081  allocsz;
1082  TupleTableSlot *slot;
1083 
1084  basesz = tts_ops->base_slot_size;
1085 
1086  /*
1087  * When a fixed descriptor is specified, we can reduce overhead by
1088  * allocating the entire slot in one go.
1089  */
1090  if (tupleDesc)
1091  allocsz = MAXALIGN(basesz) +
1092  MAXALIGN(tupleDesc->natts * sizeof(Datum)) +
1093  MAXALIGN(tupleDesc->natts * sizeof(bool));
1094  else
1095  allocsz = basesz;
1096 
1097  slot = palloc0(allocsz);
1098  /* const for optimization purposes, OK to modify at allocation time */
1099  *((const TupleTableSlotOps **) &slot->tts_ops) = tts_ops;
1100  slot->type = T_TupleTableSlot;
1101  slot->tts_flags |= TTS_FLAG_EMPTY;
1102  if (tupleDesc != NULL)
1103  slot->tts_flags |= TTS_FLAG_FIXED;
1104  slot->tts_tupleDescriptor = tupleDesc;
1105  slot->tts_mcxt = CurrentMemoryContext;
1106  slot->tts_nvalid = 0;
1107 
1108  if (tupleDesc != NULL)
1109  {
1110  slot->tts_values = (Datum *)
1111  (((char *) slot)
1112  + MAXALIGN(basesz));
1113  slot->tts_isnull = (bool *)
1114  (((char *) slot)
1115  + MAXALIGN(basesz)
1116  + MAXALIGN(tupleDesc->natts * sizeof(Datum)));
1117 
1118  PinTupleDesc(tupleDesc);
1119  }
1120 
1121  /*
1122  * And allow slot type specific initialization.
1123  */
1124  slot->tts_ops->init(slot);
1125 
1126  return slot;
1127 }
TTS_FLAG_EMPTY
#define TTS_FLAG_EMPTY
Definition: tuptable.h:96
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
TupleTableSlot::tts_mcxt
MemoryContext tts_mcxt
Definition: tuptable.h:129
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
TupleTableSlot::type
NodeTag type
Definition: tuptable.h:117
TupleTableSlot::tts_flags
uint16 tts_flags
Definition: tuptable.h:119
TupleTableSlotOps::init
void(* init)(TupleTableSlot *slot)
Definition: tuptable.h:141
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
CurrentMemoryContext
MemoryContext CurrentMemoryContext
Definition: mcxt.c:38
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
palloc0
void * palloc0(Size size)
Definition: mcxt.c:955
Datum
uintptr_t Datum
Definition: postgres.h:367
TTS_FLAG_FIXED
#define TTS_FLAG_FIXED
Definition: tuptable.h:108
Size
size_t Size
Definition: c.h:466
MAXALIGN
#define MAXALIGN(LEN)
Definition: c.h:685
PinTupleDesc
#define PinTupleDesc(tupdesc)
Definition: tupdesc.h:116
TupleTableSlot::tts_nvalid
AttrNumber tts_nvalid
Definition: tuptable.h:121
TupleTableSlotOps::base_slot_size
size_t base_slot_size
Definition: tuptable.h:138

◆ slot_attisnull()

static bool slot_attisnull ( TupleTableSlot *  slot,
int  attnum 
)
inlinestatic

Definition at line 368 of file tuptable.h.

References AssertArg, slot_getsomeattrs(), TupleTableSlot::tts_isnull, and TupleTableSlot::tts_nvalid.

Referenced by AlterDomainNotNull(), ATRewriteTable(), ExecConstraints(), ri_NullCheck(), slotAllNulls(), and slotNoNulls().

369 {
370  AssertArg(attnum > 0);
371 
372  if (attnum > slot->tts_nvalid)
373  slot_getsomeattrs(slot, attnum);
374 
375  return slot->tts_isnull[attnum - 1];
376 }
slot_getsomeattrs
static void slot_getsomeattrs(TupleTableSlot *slot, int attnum)
Definition: tuptable.h:342
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
AssertArg
#define AssertArg(condition)
Definition: c.h:734
attnum
int16 attnum
Definition: pg_attribute.h:79
TupleTableSlot::tts_nvalid
AttrNumber tts_nvalid
Definition: tuptable.h:121

◆ slot_getallattrs()

static void slot_getallattrs ( TupleTableSlot *  slot)
inlinestatic

Definition at line 355 of file tuptable.h.

References TupleDescData::natts, slot_getsomeattrs(), and TupleTableSlot::tts_tupleDescriptor.

Referenced by agg_retrieve_hash_table(), apply_returning_filter(), ATRewriteTable(), CopyOneRowTo(), CopyTo(), ExecBuildSlotValueDescription(), ExecComputeStoredGenerated(), ExecEvalWholeRowVar(), ExecFilterJunk(), execute_attr_map_slot(), FunctionNext(), printsimple(), printtup(), printtup_20(), printtup_internal_20(), slot_modify_cstrings(), tstoreReceiveSlot_detoast(), tts_virtual_copyslot(), and tuples_equal().

356 {
357  slot_getsomeattrs(slot, slot->tts_tupleDescriptor->natts);
358 }
slot_getsomeattrs
static void slot_getsomeattrs(TupleTableSlot *slot, int attnum)
Definition: tuptable.h:342
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124

◆ slot_getattr()

static Datum slot_getattr ( TupleTableSlot *  slot,
int  attnum,
bool *  isnull 
)
inlinestatic

Definition at line 382 of file tuptable.h.

References AssertArg, slot_getsomeattrs(), TupleTableSlot::tts_isnull, TupleTableSlot::tts_nvalid, and TupleTableSlot::tts_values.

Referenced by buildSubPlanHash(), convert_prep_stmt_params(), debugtup(), ExecGetJunkAttribute(), ExecJustAssignInnerVar(), ExecJustAssignOuterVar(), ExecJustAssignScanVar(), ExecJustInnerVar(), ExecJustOuterVar(), ExecJustScanVar(), ExecMakeFunctionResultSet(), ExecNestLoop(), ExecScanSubPlan(), ExecSetParamPlan(), execTuplesUnequal(), fetch_remote_table_info(), fetch_table_list(), fetch_tuple_flag(), FormIndexDatum(), FormPartitionKeyDatum(), heap_compare_slots(), hypothetical_dense_rank_final(), hypothetical_rank_common(), postquel_get_single_result(), ri_ExtractValues(), ri_KeysEqual(), ri_ReportViolation(), TupleHashTableHash(), update_frameheadpos(), update_frametailpos(), and validateDomainConstraint().

384 {
385  AssertArg(attnum > 0);
386 
387  if (attnum > slot->tts_nvalid)
388  slot_getsomeattrs(slot, attnum);
389 
390  *isnull = slot->tts_isnull[attnum - 1];
391 
392  return slot->tts_values[attnum - 1];
393 }
slot_getsomeattrs
static void slot_getsomeattrs(TupleTableSlot *slot, int attnum)
Definition: tuptable.h:342
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
AssertArg
#define AssertArg(condition)
Definition: c.h:734
attnum
int16 attnum
Definition: pg_attribute.h:79
TupleTableSlot::tts_nvalid
AttrNumber tts_nvalid
Definition: tuptable.h:121

◆ slot_getmissingattrs()

void slot_getmissingattrs ( TupleTableSlot *  slot,
int  startAttNum,
int  lastAttNum 
)

Definition at line 1833 of file execTuples.c.

References AttrMissing::am_present, AttrMissing::am_value, TupleDescData::constr, TupleConstr::missing, TupleTableSlot::tts_isnull, TupleTableSlot::tts_tupleDescriptor, and TupleTableSlot::tts_values.

Referenced by slot_getsomeattrs_int().

1834 {
1835  AttrMissing *attrmiss = NULL;
1836 
1837  if (slot->tts_tupleDescriptor->constr)
1838  attrmiss = slot->tts_tupleDescriptor->constr->missing;
1839 
1840  if (!attrmiss)
1841  {
1842  /* no missing values array at all, so just fill everything in as NULL */
1843  memset(slot->tts_values + startAttNum, 0,
1844  (lastAttNum - startAttNum) * sizeof(Datum));
1845  memset(slot->tts_isnull + startAttNum, 1,
1846  (lastAttNum - startAttNum) * sizeof(bool));
1847  }
1848  else
1849  {
1850  int missattnum;
1851 
1852  /* if there is a missing values array we must process them one by one */
1853  for (missattnum = startAttNum;
1854  missattnum < lastAttNum;
1855  missattnum++)
1856  {
1857  slot->tts_values[missattnum] = attrmiss[missattnum].am_value;
1858  slot->tts_isnull[missattnum] = !attrmiss[missattnum].am_present;
1859  }
1860 
1861  }
1862 }
TupleTableSlot::tts_values
Datum * tts_values
Definition: tuptable.h:126
TupleTableSlot::tts_isnull
bool * tts_isnull
Definition: tuptable.h:128
TupleDescData::constr
TupleConstr * constr
Definition: tupdesc.h:85
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
Datum
uintptr_t Datum
Definition: postgres.h:367
TupleConstr::missing
struct AttrMissing * missing
Definition: tupdesc.h:41

◆ slot_getsomeattrs()

static void slot_getsomeattrs ( TupleTableSlot *  slot,
int  attnum 
)
inlinestatic

Definition at line 342 of file tuptable.h.

References slot_getsomeattrs_int(), and TupleTableSlot::tts_nvalid.

Referenced by ExecInterpExpr(), lookup_hash_entry(), prepare_projection_slot(), process_ordered_aggregate_multi(), slot_attisnull(), slot_getallattrs(), and slot_getattr().

343 {
344  if (slot->tts_nvalid < attnum)
345  slot_getsomeattrs_int(slot, attnum);
346 }
attnum
int16 attnum
Definition: pg_attribute.h:79
slot_getsomeattrs_int
void slot_getsomeattrs_int(TupleTableSlot *slot, int attnum)
Definition: execTuples.c:1868
TupleTableSlot::tts_nvalid
AttrNumber tts_nvalid
Definition: tuptable.h:121

◆ slot_getsomeattrs_int()

void slot_getsomeattrs_int ( TupleTableSlot *  slot,
int  attnum 
)

Definition at line 1868 of file execTuples.c.

References Assert, attnum, elog, ERROR, TupleTableSlotOps::getsomeattrs, TupleDescData::natts, slot_getmissingattrs(), TupleTableSlot::tts_nvalid, TupleTableSlot::tts_ops, TupleTableSlot::tts_tupleDescriptor, and unlikely.

Referenced by slot_getsomeattrs().

1869 {
1870  /* Check for caller errors */
1871  Assert(slot->tts_nvalid < attnum); /* checked in slot_getsomeattrs */
1872  Assert(attnum > 0);
1873 
1874  if (unlikely(attnum > slot->tts_tupleDescriptor->natts))
1875  elog(ERROR, "invalid attribute number %d", attnum);
1876 
1877  /* Fetch as many attributes as possible from the underlying tuple. */
1878  slot->tts_ops->getsomeattrs(slot, attnum);
1879 
1880  /*
1881  * If the underlying tuple doesn't have enough attributes, tuple
1882  * descriptor must have the missing attributes.
1883  */
1884  if (unlikely(slot->tts_nvalid < attnum))
1885  {
1886  slot_getmissingattrs(slot, slot->tts_nvalid, attnum);
1887  slot->tts_nvalid = attnum;
1888  }
1889 }
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
ERROR
#define ERROR
Definition: elog.h:43
TupleTableSlot::tts_tupleDescriptor
TupleDesc tts_tupleDescriptor
Definition: tuptable.h:124
attnum
int16 attnum
Definition: pg_attribute.h:79
Assert
#define Assert(condition)
Definition: c.h:732
TupleTableSlotOps::getsomeattrs
void(* getsomeattrs)(TupleTableSlot *slot, int natts)
Definition: tuptable.h:161
slot_getmissingattrs
void slot_getmissingattrs(TupleTableSlot *slot, int startAttNum, int lastAttNum)
Definition: execTuples.c:1833
elog
#define elog(elevel,...)
Definition: elog.h:226
unlikely
#define unlikely(x)
Definition: c.h:208
TupleTableSlot::tts_nvalid
AttrNumber tts_nvalid
Definition: tuptable.h:121

◆ slot_getsysattr()

static Datum slot_getsysattr ( TupleTableSlot *  slot,
int  attnum,
bool *  isnull 
)
inlinestatic

Definition at line 403 of file tuptable.h.

References AssertArg, TupleTableSlotOps::getsysattr, ObjectIdGetDatum, PointerGetDatum, SelfItemPointerAttributeNumber, TableOidAttributeNumber, TupleTableSlot::tts_ops, TupleTableSlot::tts_tableOid, and TupleTableSlot::tts_tid.

Referenced by ExecCheckTupleVisible(), execCurrentOf(), ExecEvalSysVar(), ExecOnConflictUpdate(), FormIndexDatum(), and RI_FKey_fk_upd_check_required().

404 {
405  AssertArg(attnum < 0); /* caller error */
406 
407  if (attnum == TableOidAttributeNumber)
408  {
409  *isnull = false;
410  return ObjectIdGetDatum(slot->tts_tableOid);
411  }
412  else if (attnum == SelfItemPointerAttributeNumber)
413  {
414  *isnull = false;
415  return PointerGetDatum(&slot->tts_tid);
416  }
417 
418  /* Fetch the system attribute from the underlying tuple. */
419  return slot->tts_ops->getsysattr(slot, attnum, isnull);
420 }
TupleTableSlot::tts_tableOid
Oid tts_tableOid
Definition: tuptable.h:131
TupleTableSlotOps::getsysattr
Datum(* getsysattr)(TupleTableSlot *slot, int attnum, bool *isnull)
Definition: tuptable.h:168
PointerGetDatum
#define PointerGetDatum(X)
Definition: postgres.h:556
TupleTableSlot::tts_ops
const TupleTableSlotOps *const tts_ops
Definition: tuptable.h:122
ObjectIdGetDatum
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
TableOidAttributeNumber
#define TableOidAttributeNumber
Definition: sysattr.h:26
AssertArg
#define AssertArg(condition)
Definition: c.h:734
attnum
int16 attnum
Definition: pg_attribute.h:79
SelfItemPointerAttributeNumber
#define SelfItemPointerAttributeNumber
Definition: sysattr.h:21
TupleTableSlot::tts_tid
ItemPointerData tts_tid
Definition: tuptable.h:130

Variable Documentation

◆ TTSOpsBufferHeapTuple

PGDLLIMPORT const TupleTableSlotOps TTSOpsBufferHeapTuple

Definition at line 87 of file execTuples.c.

Referenced by CheckOpSlotCompatibility(), heapam_slot_callbacks(), and slot_compile_deform().

◆ TTSOpsHeapTuple

PGDLLIMPORT const TupleTableSlotOps TTSOpsHeapTuple

Definition at line 85 of file execTuples.c.

Referenced by CatalogIndexInsert(), CheckOpSlotCompatibility(), compute_index_stats(), ExecInitForeignScan(), ExecInitGather(), ExecInitSetOp(), ExecuteCallStmt(), gather_merge_setup(), heapam_index_validate_scan(), slot_compile_deform(), and table_slot_callbacks().

◆ TTSOpsMinimalTuple

PGDLLIMPORT const TupleTableSlotOps TTSOpsMinimalTuple

Definition at line 86 of file execTuples.c.

Referenced by afterTriggerInvokeEvents(), build_pertrans_for_aggref(), BuildTupleHashTableExt(), check_sql_fn_retval(), ExecInitAgg(), ExecInitCteScan(), ExecInitFunctionScan(), ExecInitHash(), ExecInitMaterial(), ExecInitNamedTuplestoreScan(), ExecInitSetOp(), ExecInitSort(), ExecInitSubPlan(), ExecInitTableFuncScan(), ExecInitUnique(), ExecInitWindowAgg(), ExecInitWorkTableScan(), ExecPrepareTuplestoreResult(), fetch_remote_table_info(), fetch_table_list(), find_hash_columns(), hypothetical_dense_rank_final(), ordered_set_startup(), RunFromStore(), and slot_compile_deform().

◆ TTSOpsVirtual

PGDLLIMPORT const TupleTableSlotOps TTSOpsVirtual

Definition at line 84 of file execTuples.c.

Referenced by AfterTriggerSaveEvent(), apply_handle_delete(), apply_handle_insert(), apply_handle_update(), CheckOpSlotCompatibility(), CreateReplicationSlot(), ExecConditionalAssignProjectionInfo(), ExecConstraints(), ExecGetResultSlotOps(), ExecInitAgg(), ExecInitAppend(), ExecInitCustomScan(), ExecInitGroup(), ExecInitHashJoin(), ExecInitIndexOnlyScan(), ExecInitJunkFilter(), ExecInitJunkFilterConversion(), ExecInitMergeAppend(), ExecInitMergeJoin(), ExecInitModifyTable(), ExecInitNestLoop(), ExecInitPartitionDispatchInfo(), ExecInitPartitionInfo(), ExecInitProjectSet(), ExecInitResult(), ExecInitSort(), ExecInitSubPlan(), ExecInitValuesScan(), ExecInitWholeRowVar(), ExecInitWindowAgg(), ExecPartitionCheckEmitError(), ExecWithCheckOptions(), ExplainQuery(), IdentifySystem(), InitPlan(), RI_Initial_Check(), RI_PartitionRemove_Check(), ShowAllGUCConfig(), ShowGUCConfigOption(), slot_compile_deform(), StartReplication(), table_slot_callbacks(), and tuplesort_begin_cluster().