diff options
Diffstat (limited to 'src/backend/executor')
| -rw-r--r-- | src/backend/executor/execExpr.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/backend/executor/execExpr.c b/src/backend/executor/execExpr.c index e284fd71d75..c5e8634aeda 100644 --- a/src/backend/executor/execExpr.c +++ b/src/backend/executor/execExpr.c @@ -1516,10 +1516,11 @@ ExecInitExprRec(Expr *node, ExprState *state, /* * Read from location identified by innermost_caseval. Note * that innermost_caseval could be NULL, if this node isn't - * actually within a CASE structure; some parts of the system - * abuse CaseTestExpr to cause a read of a value externally - * supplied in econtext->caseValue_datum. We'll take care of - * that scenario at runtime. + * actually within a CaseExpr, ArrayCoerceExpr, etc structure. + * That can happen because some parts of the system abuse + * CaseTestExpr to cause a read of a value externally supplied + * in econtext->caseValue_datum. We'll take care of that + * scenario at runtime. */ scratch.opcode = EEOP_CASE_TESTVAL; scratch.d.casetest.value = state->innermost_caseval; |