diff options
Diffstat (limited to 'src/include/executor/execExpr.h')
| -rw-r--r-- | src/include/executor/execExpr.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/include/executor/execExpr.h b/src/include/executor/execExpr.h index 080252fad60..511205b5acc 100644 --- a/src/include/executor/execExpr.h +++ b/src/include/executor/execExpr.h @@ -51,12 +51,8 @@ typedef enum ExprEvalOp EEOP_SCAN_FETCHSOME, /* compute non-system Var value */ - /* "FIRST" variants are used only the first time through */ - EEOP_INNER_VAR_FIRST, EEOP_INNER_VAR, - EEOP_OUTER_VAR_FIRST, EEOP_OUTER_VAR, - EEOP_SCAN_VAR_FIRST, EEOP_SCAN_VAR, /* compute system Var value */ @@ -67,8 +63,11 @@ typedef enum ExprEvalOp /* compute wholerow Var */ EEOP_WHOLEROW, - /* compute non-system Var value, assign it into ExprState's resultslot */ - /* (these are not used if _FIRST checks would be needed) */ + /* + * Compute non-system Var value, assign it into ExprState's + * resultslot. These are not used if a CheckVarSlotCompatibility() check + * would be needed. + */ EEOP_ASSIGN_INNER_VAR, EEOP_ASSIGN_OUTER_VAR, EEOP_ASSIGN_SCAN_VAR, @@ -621,6 +620,9 @@ extern void ExprEvalPushStep(ExprState *es, const ExprEvalStep *s); extern void ExecReadyInterpretedExpr(ExprState *state); extern ExprEvalOp ExecEvalStepOp(ExprState *state, ExprEvalStep *op); +extern Datum ExecInterpExprStillValid(ExprState *state, ExprContext *econtext, bool *isNull); +extern void CheckExprStillValid(ExprState *state, ExprContext *econtext); + /* * Non fast-path execution functions. These are externs instead of statics in * execExprInterp.c, because that allows them to be used by other methods of |