From 0ef99bdce3a6cd3195d7df12093042c16328c71c Mon Sep 17 00:00:00 2001 From: Robert Haas Date: Tue, 5 Aug 2014 12:26:25 -0400 Subject: Improve some JSON error messages. These messages are new in 9.4, which hasn't been released yet, so back-patch to REL9_4_STABLE. Daniele Varrazzo --- src/backend/utils/adt/json.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) (limited to 'src/backend/utils/adt/json.c') diff --git a/src/backend/utils/adt/json.c b/src/backend/utils/adt/json.c index 2f99908fd3f..0c55e9a1a2f 100644 --- a/src/backend/utils/adt/json.c +++ b/src/backend/utils/adt/json.c @@ -1910,7 +1910,7 @@ json_object_agg_transfn(PG_FUNCTION_ARGS) if (val_type == InvalidOid || val_type == UNKNOWNOID) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("arg 1: could not determine data type"))); + errmsg("could not determine data type for argument %d", 1))); add_json(arg, false, state, val_type, true); @@ -1934,7 +1934,7 @@ json_object_agg_transfn(PG_FUNCTION_ARGS) if (val_type == InvalidOid || val_type == UNKNOWNOID) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("arg 2: could not determine data type"))); + errmsg("could not determine data type for argument %d", 2))); add_json(arg, PG_ARGISNULL(2), state, val_type, false); @@ -1980,7 +1980,8 @@ json_build_object(PG_FUNCTION_ARGS) if (nargs % 2 != 0) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("invalid number or arguments: object must be matched key value pairs"))); + errmsg("invalid number or arguments"), + errhint("Object must be matched key value pairs."))); result = makeStringInfo(); @@ -1994,7 +1995,8 @@ json_build_object(PG_FUNCTION_ARGS) if (PG_ARGISNULL(i)) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("arg %d: key cannot be null", i + 1))); + errmsg("argument %d cannot be null", i + 1), + errhint("Object keys should be text."))); val_type = get_fn_expr_argtype(fcinfo->flinfo, i); /* @@ -2016,7 +2018,8 @@ json_build_object(PG_FUNCTION_ARGS) if (val_type == InvalidOid || val_type == UNKNOWNOID) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("arg %d: could not determine data type", i + 1))); + errmsg("could not determine data type for argument %d", + i + 1))); appendStringInfoString(result, sep); sep = ", "; add_json(arg, false, result, val_type, true); @@ -2042,7 +2045,8 @@ json_build_object(PG_FUNCTION_ARGS) if (val_type == InvalidOid || val_type == UNKNOWNOID) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("arg %d: could not determine data type", i + 2))); + errmsg("could not determine data type for argument %d", + i + 2))); add_json(arg, PG_ARGISNULL(i + 1), result, val_type, false); } @@ -2099,7 +2103,8 @@ json_build_array(PG_FUNCTION_ARGS) if (val_type == InvalidOid || val_type == UNKNOWNOID) ereport(ERROR, (errcode(ERRCODE_INVALID_PARAMETER_VALUE), - errmsg("arg %d: could not determine data type", i + 1))); + errmsg("could not determine data type for argument %d", + i + 1))); appendStringInfoString(result, sep); sep = ", "; add_json(arg, PG_ARGISNULL(i), result, val_type, false); -- cgit v1.2.3