diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 49 |
1 files changed, 38 insertions, 11 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 63e864e4636..f70847798e6 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 1.141 2005/11/22 18:17:30 momjian Exp $ + * $PostgreSQL: pgsql/src/include/nodes/execnodes.h,v 1.142 2005/11/25 19:47:50 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -871,16 +871,37 @@ typedef struct ScanState */ typedef ScanState SeqScanState; +/* + * These structs store information about index quals that don't have simple + * constant right-hand sides. See comments for ExecIndexBuildScanKeys() + * for discussion. + */ +typedef struct +{ + ScanKey scan_key; /* scankey to put value into */ + ExprState *key_expr; /* expr to evaluate to get value */ +} IndexRuntimeKeyInfo; + +typedef struct +{ + ScanKey scan_key; /* scankey to put value into */ + ExprState *array_expr; /* expr to evaluate to get array value */ + int next_elem; /* next array element to use */ + int num_elems; /* number of elems in current array value */ + Datum *elem_values; /* array of num_elems Datums */ + bool *elem_nulls; /* array of num_elems is-null flags */ +} IndexArrayKeyInfo; + /* ---------------- * IndexScanState information * * indexqualorig execution state for indexqualorig expressions * ScanKeys Skey structures to scan index rel * NumScanKeys number of Skey structs - * RuntimeKeyInfo array of exprstates for Skeys - * that will be evaluated at runtime - * RuntimeContext expr context for evaling runtime Skeys + * RuntimeKeys info about Skeys that must be evaluated at runtime + * NumRuntimeKeys number of RuntimeKeys structs * RuntimeKeysReady true if runtime Skeys have been computed + * RuntimeContext expr context for evaling runtime Skeys * RelationDesc index relation descriptor * ScanDesc index scan descriptor * ---------------- @@ -891,9 +912,10 @@ typedef struct IndexScanState List *indexqualorig; ScanKey iss_ScanKeys; int iss_NumScanKeys; - ExprState **iss_RuntimeKeyInfo; - ExprContext *iss_RuntimeContext; + IndexRuntimeKeyInfo *iss_RuntimeKeys; + int iss_NumRuntimeKeys; bool iss_RuntimeKeysReady; + ExprContext *iss_RuntimeContext; Relation iss_RelationDesc; IndexScanDesc iss_ScanDesc; } IndexScanState; @@ -904,10 +926,12 @@ typedef struct IndexScanState * result bitmap to return output into, or NULL * ScanKeys Skey structures to scan index rel * NumScanKeys number of Skey structs - * RuntimeKeyInfo array of exprstates for Skeys - * that will be evaluated at runtime - * RuntimeContext expr context for evaling runtime Skeys + * RuntimeKeys info about Skeys that must be evaluated at runtime + * NumRuntimeKeys number of RuntimeKeys structs + * ArrayKeys info about Skeys that come from ScalarArrayOpExprs + * NumArrayKeys number of ArrayKeys structs * RuntimeKeysReady true if runtime Skeys have been computed + * RuntimeContext expr context for evaling runtime Skeys * RelationDesc index relation descriptor * ScanDesc index scan descriptor * ---------------- @@ -918,9 +942,12 @@ typedef struct BitmapIndexScanState TIDBitmap *biss_result; ScanKey biss_ScanKeys; int biss_NumScanKeys; - ExprState **biss_RuntimeKeyInfo; - ExprContext *biss_RuntimeContext; + IndexRuntimeKeyInfo *biss_RuntimeKeys; + int biss_NumRuntimeKeys; + IndexArrayKeyInfo *biss_ArrayKeys; + int biss_NumArrayKeys; bool biss_RuntimeKeysReady; + ExprContext *biss_RuntimeContext; Relation biss_RelationDesc; IndexScanDesc biss_ScanDesc; } BitmapIndexScanState; |