typedefuint32TriggerAction;

typedefuint32TriggerEvent;

#defineTRIGGER_ACTION_INSERT0x00000000

#defineTRIGGER_ACTION_DELETE0x00000001

#defineTRIGGER_ACTION_UPDATE0x00000010

#defineTRIGGER_ACTION_OPMASK0x00000011

#defineTRIGGER_ACTION_ROW4

typedefstructTriggerData {

TriggerEventtg_event;

Relationtg_relation;

HeapTupletg_trigtuple;

HeapTupletg_newtuple;

Trigger*tg_trigger;

}TriggerData;

#defineTRIGGER_FIRED_BY_INSERT (action)\

(((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \

TRIGGER_ACTION_INSERT)

externTriggerData*CurrentTriggerData;

#defineTRIGGER_FIRED_BY_DELETE (action)\

(((TriggerAction) action & TRIGGER_ACTION_OPMASK) == \

TRIGGER_ACTION_DELETE)

#defineTRIGGER_EVENT_INSERT0x00000000

#defineTRIGGER_EVENT_DELETE0x00000001

#defineTRIGGER_EVENT_UPDATE0x00000002

#defineTRIGGER_EVENT_OPMASK0x00000003

#defineTRIGGER_EVENT_ROW0x00000004

#defineTRIGGER_EVENT_BEFORE0x00000008

#defineTRIGGER_FIRED_BY_UPDATE (action)\

(((TriggerAction) action &TRIGGER_ACTION_OPMASK) == \

TRIGGER_ACTION_UPDATE)

#defineTRIGGER_FIRED_BY_INSERT(event)\

(((TriggerEvent) (event) &TRIGGER_EVENT_OPMASK) == \

TRIGGER_EVENT_INSERT)

#defineTRIGGER_FIRED_FOR_ROW (action)\

((TriggerAction) action & TRIGGER_ACTION_ROW)

#defineTRIGGER_FIRED_BY_DELETE(event)\

(((TriggerEvent) (event) & TRIGGER_EVENT_OPMASK) == \

TRIGGER_EVENT_DELETE)

#defineTRIGGER_FIRED_FOR_STATEMENT (action)\

(!TRIGGER_FIRED_FOR_ROW (action))

#defineTRIGGER_FIRED_BY_UPDATE(event)\

(((TriggerEvent) (event) & TRIGGER_EVENT_OPMASK) == \

TRIGGER_EVENT_UPDATE)

#defineTRIGGER_FIRED_FOR_ROW(event)\

((TriggerEvent) (event) & TRIGGER_EVENT_ROW)

#defineTRIGGER_FIRED_FOR_STATEMENT(event)\

(!TRIGGER_FIRED_FOR_ROW (event))

#defineTRIGGER_FIRED_BEFORE(event)\

((TriggerEvent) (event) & TRIGGER_EVENT_BEFORE)

#defineTRIGGER_FIRED_AFTER(event)\

(!TRIGGER_FIRED_BEFORE (event))

externvoidCreateTrigger (CreateTrigStmt*stmt);

externvoidDropTrigger (DropTrigStmt*stmt);

externvoidRelationRemoveTriggers (Relationrel);

externHeapTupleExecBRInsertTriggers (Relationrel,HeapTupletuple);

externvoidExecARInsertTriggers (Relationrel,HeapTupletuple);

#defineSPI_ERROR_OPUNKNOWN-3

#defineSPI_ERROR_UNCONNECTED-4

#defineSPI_ERROR_CURSOR-5

#defineSPI_ERROR_TRANSACTION-6

#defineSPI_ERROR_ARGUMENT-6

#defineSPI_ERROR_PARAM-7

#defineSPI_ERROR_TRANSACTION-8

#defineSPI_ERROR_NOATTRIBUTE-9

#defineSPI_ERROR_NOOUTFUNC-10

#defineSPI_ERROR_TYPUNKNOWN-11

#defineSPI_ERROR_NOENTRY-12

#defineSPI_OK_CONNECT0

#defineSPI_OK_FINISH1

#defineSPI_OK_FETCH2

#defineSPI_OK_UTILITY3

#defineSPI_OK_SELECT4

#defineSPI_OK_SELINTO5

#defineSPI_OK_INSERT6

#defineSPI_OK_DELETE7

#defineSPI_OK_UPDATE8

#defineSPI_OK_CURSOR9

#defineSPI_OK_CONNECT1

#defineSPI_OK_FINISH2

#defineSPI_OK_FETCH3

#defineSPI_OK_UTILITY4

#defineSPI_OK_SELECT5

#defineSPI_OK_SELINTO6

#defineSPI_OK_INSERT7

#defineSPI_OK_DELETE8

#defineSPI_OK_UPDATE9

#defineSPI_OK_CURSOR10

#defineSPI_DSPACE_LOCAL0

#defineSPI_DSPACE_XACT1

#defineSPI_DSPACE_SESSION2

externuint32SPI_processed;

externSPITupleTable*SPI_tuptable;

externintSPI_error;

externintSPI_connect (void);

externintSPI_connect (char*ident);

externintSPI_finish (void);

externintSPI_exec (char*src);

externintSPI_execn (char*src,inttcount);

externintSPI_execp (intpid,char**values,char*Nulls);

externintSPI_prepare (char*src,intnargs,Oid*argtypes);

externintSPI_expplan (intdspace,intstart,intcount);

externintSPI_impplan (intdspace,intstart,intcount);

externintSPI_expdata (intdspace,intcount,void**data,int*len);

externintSPI_impdata (intdspace,intstart,intcount,void**data,int**len);

externintSPI_fnumber (TupleDesctupdesc,char*fname);

externchar*SPI_getvalue (HeapTupletuple,TupleDesctupdesc,intfnumber);

externchar*SPI_getbinval (HeapTupletuple,TupleDesctupdesc,intfnumber,bool*isnull);

externchar*SPI_gettype (TupleDesctupdesc,intfnumber);

externOidSPI_gettypeid (TupleDesctupdesc,intfnumber);

externchar*SPI_getrelname (Relationrel);