diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index b78ee35ccf8..89f8e202e35 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -623,13 +623,11 @@ typedef struct FuncExprState * NULL */ /* - * We need to store argument values across calls when evaluating a SRF - * that uses value-per-call mode. - * - * setArgsValid is true when we are evaluating a set-valued function and - * we are in the middle of a call series; we want to pass the same - * argument values to the function again (and again, until it returns - * ExprEndResult). + * setArgsValid is true when we are evaluating a set-returning function + * that uses value-per-call mode and we are in the middle of a call + * series; we want to pass the same argument values to the function again + * (and again, until it returns ExprEndResult). This indicates that + * fcinfo_data already contains valid argument data. */ bool setArgsValid; @@ -649,10 +647,11 @@ typedef struct FuncExprState bool shutdown_reg; /* a shutdown callback is registered */ /* - * Current argument data for a set-valued function; contains valid data - * only if setArgsValid is true. + * Call parameter structure for the function. This has been initialized + * (by InitFunctionCallInfoData) if func.fn_oid is valid. It also saves + * argument values between calls, when setArgsValid is true. */ - FunctionCallInfoData setArgs; + FunctionCallInfoData fcinfo_data; } FuncExprState; /* ---------------- |