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Refactor/reword some error messages to avoid duplicates

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Also, remove brackets around "EMPTY [ ARRAY ]".  An error message is
not the place to state that a keyword is optional.

Backpatch to 17.
This commit is contained in:
Alvaro Herrera
2024-08-07 11:30:36 -04:00
parent 22b4a1b561
commit 2bb969f399
5 changed files with 74 additions and 34 deletions
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90
src/backend/parser/parse_expr.c
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@ -1099,7 +1099,8 @@ transformAExprNullIf(ParseState *pstate, A_Expr *a)
if (result->opresulttype != BOOLOID)
ereport(ERROR,
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("NULLIF requires = operator to yield boolean"),
/* translator: %s is name of a SQL construct, eg NULLIF */
errmsg("%s requires = operator to yield boolean", "NULLIF"),
parser_errposition(pstate, a->location)));
if (result->opretset)
ereport(ERROR,
@ -3060,7 +3061,9 @@ make_distinct_op(ParseState *pstate, List *opname, Node *ltree, Node *rtree,
if (((OpExpr *) result)->opresulttype != BOOLOID)
ereport(ERROR,
(errcode(ERRCODE_DATATYPE_MISMATCH),
errmsg("IS DISTINCT FROM requires = operator to yield boolean"),
/* translator: %s is name of a SQL construct, eg NULLIF */
errmsg("%s requires = operator to yield boolean",
"IS DISTINCT FROM"),
parser_errposition(pstate, location)));
if (((OpExpr *) result)->opretset)
ereport(ERROR,
@ -4326,15 +4329,22 @@ transformJsonFuncExpr(ParseState *pstate, JsonFuncExpr *func)
if (func->column_name == NULL)
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON EMPTY behavior"),
errdetail("Only ERROR, NULL, EMPTY [ ARRAY ], EMPTY OBJECT, or DEFAULT expression is allowed in ON EMPTY for JSON_QUERY()."),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior", "ON EMPTY"),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY),
second %s is a SQL/JSON function name (e.g. JSON_QUERY) */
errdetail("Only ERROR, NULL, EMPTY ARRAY, EMPTY OBJECT, or DEFAULT expression is allowed in %s for %s.",
"ON EMPTY", "JSON_QUERY()"),
parser_errposition(pstate, func->on_empty->location));
else
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON EMPTY behavior for column \"%s\"",
func->column_name),
errdetail("Only ERROR, NULL, EMPTY [ ARRAY ], EMPTY OBJECT, or DEFAULT expression is allowed in ON EMPTY for formatted columns."),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior for column \"%s\"",
"ON EMPTY", func->column_name),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errdetail("Only ERROR, NULL, EMPTY ARRAY, EMPTY OBJECT, or DEFAULT expression is allowed in %s for formatted columns.",
"ON EMPTY"),
parser_errposition(pstate, func->on_empty->location));
}
if (func->on_error != NULL &&
@ -4348,15 +4358,22 @@ transformJsonFuncExpr(ParseState *pstate, JsonFuncExpr *func)
if (func->column_name == NULL)
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON ERROR behavior"),
errdetail("Only ERROR, NULL, EMPTY [ ARRAY ], EMPTY OBJECT, or DEFAULT expression is allowed in ON ERROR for JSON_QUERY()."),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior", "ON ERROR"),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY),
second %s is a SQL/JSON function name (e.g. JSON_QUERY) */
errdetail("Only ERROR, NULL, EMPTY ARRAY, EMPTY OBJECT, or DEFAULT expression is allowed in %s for %s.",
"ON ERROR", "JSON_QUERY()"),
parser_errposition(pstate, func->on_error->location));
else
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON ERROR behavior for column \"%s\"",
func->column_name),
errdetail("Only ERROR, NULL, EMPTY [ ARRAY ], EMPTY OBJECT, or DEFAULT expression is allowed in ON ERROR for formatted columns."),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior for column \"%s\"",
"ON ERROR", func->column_name),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errdetail("Only ERROR, NULL, EMPTY ARRAY, EMPTY OBJECT, or DEFAULT expression is allowed in %s for formatted columns.",
"ON ERROR"),
parser_errposition(pstate, func->on_error->location));
}
}
@ -4372,15 +4389,20 @@ transformJsonFuncExpr(ParseState *pstate, JsonFuncExpr *func)
if (func->column_name == NULL)
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON ERROR behavior"),
errdetail("Only ERROR, TRUE, FALSE, or UNKNOWN is allowed in ON ERROR for JSON_EXISTS()."),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior", "ON ERROR"),
errdetail("Only ERROR, TRUE, FALSE, or UNKNOWN is allowed in %s for %s.",
"ON ERROR", "JSON_EXISTS()"),
parser_errposition(pstate, func->on_error->location));
else
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON ERROR behavior for column \"%s\"",
func->column_name),
errdetail("Only ERROR, TRUE, FALSE, or UNKNOWN is allowed in ON ERROR for EXISTS columns."),
/*- translator: first %s is name a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior for column \"%s\"",
"ON ERROR", func->column_name),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errdetail("Only ERROR, TRUE, FALSE, or UNKNOWN is allowed in %s for EXISTS columns.",
"ON ERROR"),
parser_errposition(pstate, func->on_error->location));
}
if (func->op == JSON_VALUE_OP)
@ -4393,15 +4415,22 @@ transformJsonFuncExpr(ParseState *pstate, JsonFuncExpr *func)
if (func->column_name == NULL)
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON EMPTY behavior"),
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in ON EMPTY for JSON_VALUE()."),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior", "ON EMPTY"),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY),
second %s is a SQL/JSON function name (e.g. JSON_QUERY) */
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in %s for %s.",
"ON EMPTY", "JSON_VALUE()"),
parser_errposition(pstate, func->on_empty->location));
else
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON EMPTY behavior for column \"%s\"",
func->column_name),
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in ON EMPTY for scalar columns."),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior for column \"%s\"",
"ON EMPTY", func->column_name),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in %s for scalar columns.",
"ON EMPTY"),
parser_errposition(pstate, func->on_empty->location));
}
if (func->on_error != NULL &&
@ -4412,15 +4441,22 @@ transformJsonFuncExpr(ParseState *pstate, JsonFuncExpr *func)
if (func->column_name == NULL)
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON ERROR behavior"),
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in ON ERROR for JSON_VALUE()."),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior", "ON ERROR"),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY),
second %s is a SQL/JSON function name (e.g. JSON_QUERY) */
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in %s for %s.",
"ON ERROR", "JSON_VALUE()"),
parser_errposition(pstate, func->on_error->location));
else
ereport(ERROR,
errcode(ERRCODE_SYNTAX_ERROR),
errmsg("invalid ON ERROR behavior for column \"%s\"",
func->column_name),
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in ON ERROR for scalar columns."),
/*- translator: first %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errmsg("invalid %s behavior for column \"%s\"",
"ON ERROR", func->column_name),
/*- translator: %s is name of a SQL/JSON clause (eg. ON EMPTY) */
errdetail("Only ERROR, NULL, or DEFAULT expression is allowed in %s for scalar columns.",
"ON ERROR"),
parser_errposition(pstate, func->on_error->location));
}
}