YQL-20567 upgrade PG up to 16.10 & fix instructions

init
commit_hash:81aba13295273281d19d2d332a48ff1c44977447

1 files changed, 9 insertions, 5 deletions

diff --git a/yql/essentials/parser/pg_wrapper/postgresql/src/include/nodes/primnodes.h b/yql/essentials/parser/pg_wrapper/postgresql/src/include/nodes/primnodes.h
index e1aadc39cfb..633e9d6f3e5 100644
--- a/yql/essentials/parser/pg_wrapper/postgresql/src/include/nodes/primnodes.h
+++ b/yql/essentials/parser/pg_wrapper/postgresql/src/include/nodes/primnodes.h
@@ -1596,15 +1596,19 @@ typedef struct JsonReturning
  * JsonValueExpr -
  *		representation of JSON value expression (expr [FORMAT JsonFormat])
  *
- * The actual value is obtained by evaluating formatted_expr.  raw_expr is
- * only there for displaying the original user-written expression and is not
- * evaluated by ExecInterpExpr() and eval_const_exprs_mutator().
+ * raw_expr is the user-specified value, while formatted_expr is the value
+ * obtained by coercing raw_expr to the type required by either the FORMAT
+ * clause or an enclosing node's RETURNING clause.
+ *
+ * When deparsing a JsonValueExpr, get_rule_expr() prints raw_expr. However,
+ * during the evaluation of a JsonValueExpr, the value of formatted_expr
+ * takes precedence over that of raw_expr.
  */
 typedef struct JsonValueExpr
 {
 	NodeTag		type;
-	Expr	   *raw_expr;		/* raw expression */
-	Expr	   *formatted_expr; /* formatted expression */
+	Expr	   *raw_expr;		/* user-specified expression */
+	Expr	   *formatted_expr; /* coerced formatted expression */
 	JsonFormat *format;			/* FORMAT clause, if specified */
 } JsonValueExpr;