diff options
Diffstat (limited to 'src/include/access/amapi.h')
| -rw-r--r-- | src/include/access/amapi.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/access/amapi.h b/src/include/access/amapi.h index fb94b3d1acf..6723de75a4d 100644 --- a/src/include/access/amapi.h +++ b/src/include/access/amapi.h @@ -12,7 +12,9 @@ #ifndef AMAPI_H #define AMAPI_H +#include "access/cmptype.h" #include "access/genam.h" +#include "access/stratnum.h" /* * We don't wish to include planner header files here, since most of an index @@ -99,6 +101,12 @@ typedef struct OpFamilyMember * Callback function signatures --- see indexam.sgml for more info. */ +/* translate AM-specific strategies to general operator types */ +typedef CompareType (*amtranslate_strategy_function) (StrategyNumber strategy, Oid opfamily, Oid opcintype); + +/* translate general operator types to AM-specific strategies */ +typedef StrategyNumber (*amtranslate_cmptype_function) (CompareType cmptype, Oid opfamily, Oid opcintype); + /* build new index */ typedef IndexBuildResult *(*ambuild_function) (Relation heapRelation, Relation indexRelation, @@ -301,11 +309,17 @@ typedef struct IndexAmRoutine amestimateparallelscan_function amestimateparallelscan; /* can be NULL */ aminitparallelscan_function aminitparallelscan; /* can be NULL */ amparallelrescan_function amparallelrescan; /* can be NULL */ + + /* interface functions to support planning */ + amtranslate_strategy_function amtranslatestrategy; /* can be NULL */ + amtranslate_cmptype_function amtranslatecmptype; /* can be NULL */ } IndexAmRoutine; /* Functions in access/index/amapi.c */ extern IndexAmRoutine *GetIndexAmRoutine(Oid amhandler); extern IndexAmRoutine *GetIndexAmRoutineByAmId(Oid amoid, bool noerror); +extern CompareType IndexAmTranslateStrategy(StrategyNumber strategy, Oid amoid, Oid opfamily, Oid opcintype, bool missing_ok); +extern StrategyNumber IndexAmTranslateCompareType(CompareType cmptype, Oid amoid, Oid opfamily, Oid opcintype, bool missing_ok); #endif /* AMAPI_H */ |