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Fix string literal length for compressed_data_info #7187

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Aug 7, 2024
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1 change: 1 addition & 0 deletions .unreleased/pr_7187
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Fixes: #7187 Fix string literal length for compressed_data_info
16 changes: 9 additions & 7 deletions tsl/src/compression/compression.c
Original file line number Diff line number Diff line change
Expand Up @@ -46,16 +46,18 @@ static const CompressionAlgorithmDefinition definitions[_END_COMPRESSION_ALGORIT
[COMPRESSION_ALGORITHM_DELTADELTA] = DELTA_DELTA_ALGORITHM_DEFINITION,
};

static const char *compression_algorithm_name[] = {
[_INVALID_COMPRESSION_ALGORITHM] = "INVALID", [COMPRESSION_ALGORITHM_ARRAY] = "ARRAY",
[COMPRESSION_ALGORITHM_DICTIONARY] = "DICTIONARY", [COMPRESSION_ALGORITHM_GORILLA] = "GORILLA",
[COMPRESSION_ALGORITHM_DELTADELTA] = "DELTADELTA",
static NameData compression_algorithm_name[] = {
[_INVALID_COMPRESSION_ALGORITHM] = { "INVALID" },
[COMPRESSION_ALGORITHM_ARRAY] = { "ARRAY" },
[COMPRESSION_ALGORITHM_DICTIONARY] = { "DICTIONARY" },
[COMPRESSION_ALGORITHM_GORILLA] = { "GORILLA" },
[COMPRESSION_ALGORITHM_DELTADELTA] = { "DELTADELTA" },
};

const char *
Name
compression_get_algorithm_name(CompressionAlgorithm alg)
{
return compression_algorithm_name[alg];
return &compression_algorithm_name[alg];
}

static Compressor *
Expand Down Expand Up @@ -2041,7 +2043,7 @@ tsl_compressed_data_info(PG_FUNCTION_ARGS)
bool nulls[Natts_compressed_info] = { false };

values[AttrNumberGetAttrOffset(Anum_compressed_info_algorithm)] =
CStringGetDatum(compression_get_algorithm_name(header->compression_algorithm));
NameGetDatum(compression_get_algorithm_name(header->compression_algorithm));
values[AttrNumberGetAttrOffset(Anum_compressed_info_has_nulls)] = BoolGetDatum(has_nulls);
tuple = heap_form_tuple(tupdesc, values, nulls);

Expand Down
2 changes: 1 addition & 1 deletion tsl/src/compression/compression.h
Original file line number Diff line number Diff line change
Expand Up @@ -321,7 +321,7 @@ pg_attribute_unused() assert_num_compression_algorithms_sane(void)
"number of algorithms have changed, the asserts should be updated");
}

extern const char *compression_get_algorithm_name(CompressionAlgorithm alg);
extern Name compression_get_algorithm_name(CompressionAlgorithm alg);
extern CompressionStorage compression_get_toast_storage(CompressionAlgorithm algo);
extern CompressionAlgorithm compression_get_default_algorithm(Oid typeoid);

Expand Down
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