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Add construct_array_builtin, deconstruct_array_builtin

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There were many calls to construct_array() and deconstruct_array() for
built-in types, for example, when dealing with system catalog columns.
These all hardcoded the type attributes necessary to pass to these
functions.

To simplify this a bit, add construct_array_builtin(),
deconstruct_array_builtin() as wrappers that centralize this hardcoded
knowledge.  This simplifies many call sites and reduces the amount of
hardcoded stuff that is spread around.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/2914356f-9e5f-8c59-2995-5997fc48bcba%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-07-01 10:51:45 +02:00
parent 7c2d6f8d34
commit d746021de1
51 changed files with 284 additions and 298 deletions
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12
contrib/hstore/hstore_io.c
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@ -567,9 +567,7 @@ hstore_from_arrays(PG_FUNCTION_ARGS)
(errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
errmsg("wrong number of array subscripts")));
deconstruct_array(key_array,
TEXTOID, -1, false, TYPALIGN_INT,
&key_datums, &key_nulls, &key_count);
deconstruct_array_builtin(key_array, TEXTOID, &key_datums, &key_nulls, &key_count);
/* see discussion in hstoreArrayToPairs() */
if (key_count > MaxAllocSize / sizeof(Pairs))
@ -606,9 +604,7 @@ hstore_from_arrays(PG_FUNCTION_ARGS)
(errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
errmsg("arrays must have same bounds")));
deconstruct_array(value_array,
TEXTOID, -1, false, TYPALIGN_INT,
&value_datums, &value_nulls, &value_count);
deconstruct_array_builtin(value_array, TEXTOID, &value_datums, &value_nulls, &value_count);
Assert(key_count == value_count);
}
@ -696,9 +692,7 @@ hstore_from_array(PG_FUNCTION_ARGS)
errmsg("wrong number of array subscripts")));
}
deconstruct_array(in_array,
TEXTOID, -1, false, TYPALIGN_INT,
&in_datums, &in_nulls, &in_count);
deconstruct_array_builtin(in_array, TEXTOID, &in_datums, &in_nulls, &in_count);
count = in_count / 2;