diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index 6a2d5ad760f..9ca384db516 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -2513,14 +2513,27 @@ eval_const_expressions_mutator(Node *node, case T_Param: { Param *param = (Param *) node; + ParamListInfo paramLI = context->boundParams; /* Look to see if we've been given a value for this Param */ if (param->paramkind == PARAM_EXTERN && - context->boundParams != NULL && + paramLI != NULL && param->paramid > 0 && - param->paramid <= context->boundParams->numParams) + param->paramid <= paramLI->numParams) { - ParamExternData *prm = &context->boundParams->params[param->paramid - 1]; + ParamExternData *prm; + ParamExternData prmdata; + + /* + * Give hook a chance in case parameter is dynamic. Tell + * it that this fetch is speculative, so it should avoid + * erroring out if parameter is unavailable. + */ + if (paramLI->paramFetch != NULL) + prm = paramLI->paramFetch(paramLI, param->paramid, + true, &prmdata); + else + prm = ¶mLI->params[param->paramid - 1]; if (OidIsValid(prm->ptype)) { |