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Numeric error suppression in jsonpath

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Add support of numeric error suppression to jsonpath as it's required by
standard.  This commit doesn't use PG_TRY()/PG_CATCH() in order to implement
that.  Instead, it provides internal versions of numeric functions used, which
support error suppression.

Discussion: https://postgr.es/m/fcc6fc6a-b497-f39a-923d-aa34d0c588e8%402ndQuadrant.com
Author: Alexander Korotkov, Nikita Glukhov
Reviewed-by: Tomas Vondra
This commit is contained in:
Alexander Korotkov
2019-03-16 12:21:19 +03:00
parent 72b6460336
commit 16d489b0fe
7 changed files with 353 additions and 97 deletions
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3
src/include/utils/float.h
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@@ -40,6 +40,9 @@ extern PGDLLIMPORT int extra_float_digits;
extern int is_infinite(float8 val);
extern float8 float8in_internal(char *num, char **endptr_p,
const char *type_name, const char *orig_string);
extern float8 float8in_internal_opt_error(char *num, char **endptr_p,
const char *type_name, const char *orig_string,
bool *have_error);
extern char *float8out_internal(float8 num);
extern int float4_cmp_internal(float4 a, float4 b);
extern int float8_cmp_internal(float8 a, float8 b);