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Decode IPv4-mapped IPv6 addresses in PG::TextDecoder::Inet #772

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Merged
larskanis merged 1 commit into from
Nov 13, 2026
Merged

Decode IPv4-mapped IPv6 addresses in PG::TextDecoder::Inet #772

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2 changes: 1 addition & 1 deletion ext/pg_text_decoder.c
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Original file line number Diff line number Diff line change
Expand Up @@ -823,7 +823,7 @@ pg_text_dec_inet(t_pg_coder *conv, const char *val, int len, int tuple, int fiel
VALUE vmasks;
char dst[16];
char buf[64];
int af = strchr(val, '.') ? AF_INET : AF_INET6;
int af = strchr(val, ':') ? AF_INET6 : AF_INET;
int mask = -1;

if (len >= 64) {
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4 changes: 4 additions & 0 deletions spec/pg/basic_type_map_for_results_spec.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -351,6 +351,9 @@
'1234:3456:5678:789a:9abc:bced:edf0:f012/32',
'1234:3456:5678:789a:9abc:bced:edf0:f012/64',
'1234:3456:5678:789a:9abc:bced:edf0:f012/96',
'::ffff:1.2.3.4',
'::ffff:1.2.3.4/120',
'::1.2.3.4',
]
sql_vals = vals.map{|v| "CAST('#{v}' AS inet)"}
res = @conn.exec_params(("SELECT " + sql_vals.join(', ')), [], format )
Expand All @@ -374,6 +377,7 @@
'1234:3456:5678:789a::/64',
'1234:3456:5678:789a:9abc:bced::/96',
'1234:3456:5678:789a:9abc:bced:edf0:f012/128',
'::ffff:1.2.3.0/120',
]
sql_vals = vals.map { |v| "CAST('#{v}' AS cidr)" }
res = @conn.exec_params(("SELECT " + sql_vals.join(', ')), [], format )
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