Remove %error-verbose directive from jsonpath parser

None of the other bison parsers contains this directive, and it gives
rise to some unfortunate and impenetrable messages, so just remove it.

Backpatch to release 12, where it was introduced.

Per gripe from Erik Rijkers

Discussion: https://postgr.es/m/ba069ce2-a98f-dc70-dc17-2ccf2a9bf7c7@xs4all.nl

2 files changed, 17 insertions, 18 deletions

diff --git a/src/backend/utils/adt/jsonpath_gram.y b/src/backend/utils/adt/jsonpath_gram.y
index de3d97931ef..b5cf865f3c1 100644
--- a/src/backend/utils/adt/jsonpath_gram.y
+++ b/src/backend/utils/adt/jsonpath_gram.y
@@ -74,7 +74,6 @@ static JsonPathParseItem *makeItemLikeRegex(JsonPathParseItem *expr,
 %pure-parser
 %expect 0
 %name-prefix="jsonpath_yy"
-%error-verbose
 %parse-param {JsonPathParseResult **result}
 
 %union {
diff --git a/src/test/regress/expected/jsonpath.out b/src/test/regress/expected/jsonpath.out
index e399fa96312..6dab98d03a9 100644
--- a/src/test/regress/expected/jsonpath.out
+++ b/src/test/regress/expected/jsonpath.out
@@ -569,15 +569,15 @@ select '$ ? (@.a < +1)'::jsonpath;
 (1 row)
 
 select '$ ? (@.a < .1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < .1)'::jsonpath;
                ^
 select '$ ? (@.a < -.1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < -.1)'::jsonpath;
                ^
 select '$ ? (@.a < +.1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < +.1)'::jsonpath;
                ^
 select '$ ? (@.a < 0.1)'::jsonpath;
@@ -635,15 +635,15 @@ select '$ ? (@.a < +1e1)'::jsonpath;
 (1 row)
 
 select '$ ? (@.a < .1e1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < .1e1)'::jsonpath;
                ^
 select '$ ? (@.a < -.1e1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < -.1e1)'::jsonpath;
                ^
 select '$ ? (@.a < +.1e1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < +.1e1)'::jsonpath;
                ^
 select '$ ? (@.a < 0.1e1)'::jsonpath;
@@ -701,15 +701,15 @@ select '$ ? (@.a < +1e-1)'::jsonpath;
 (1 row)
 
 select '$ ? (@.a < .1e-1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < .1e-1)'::jsonpath;
                ^
 select '$ ? (@.a < -.1e-1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < -.1e-1)'::jsonpath;
                ^
 select '$ ? (@.a < +.1e-1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < +.1e-1)'::jsonpath;
                ^
 select '$ ? (@.a < 0.1e-1)'::jsonpath;
@@ -767,15 +767,15 @@ select '$ ? (@.a < +1e+1)'::jsonpath;
 (1 row)
 
 select '$ ? (@.a < .1e+1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < .1e+1)'::jsonpath;
                ^
 select '$ ? (@.a < -.1e+1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < -.1e+1)'::jsonpath;
                ^
 select '$ ? (@.a < +.1e+1)'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '$ ? (@.a < +.1e+1)'::jsonpath;
                ^
 select '$ ? (@.a < 0.1e+1)'::jsonpath;
@@ -821,7 +821,7 @@ select '0'::jsonpath;
 (1 row)
 
 select '00'::jsonpath;
-ERROR:  syntax error, unexpected IDENT_P at end of jsonpath input
+ERROR:  syntax error at end of jsonpath input
 LINE 1: select '00'::jsonpath;
                ^
 select '0.0'::jsonpath;
@@ -947,18 +947,18 @@ select '(1.2).e3'::jsonpath;
 (1 row)
 
 select '1..e'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '1..e'::jsonpath;
                ^
 select '1..e3'::jsonpath;
-ERROR:  syntax error, unexpected '.' at or near "." of jsonpath input
+ERROR:  syntax error at or near "." of jsonpath input
 LINE 1: select '1..e3'::jsonpath;
                ^
 select '(1.).e'::jsonpath;
-ERROR:  syntax error, unexpected ')' at or near ")" of jsonpath input
+ERROR:  syntax error at or near ")" of jsonpath input
 LINE 1: select '(1.).e'::jsonpath;
                ^
 select '(1.).e3'::jsonpath;
-ERROR:  syntax error, unexpected ')' at or near ")" of jsonpath input
+ERROR:  syntax error at or near ")" of jsonpath input
 LINE 1: select '(1.).e3'::jsonpath;
                ^