arrayutils.c File Reference (original) (raw)

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Functions
int	ArrayGetOffset (int n, const int dim, const int lb, const int *indx)

int	ArrayGetNItems (int ndim, const int *dims)

int	ArrayGetNItemsSafe (int ndim, const int dims, struct Node escontext)

void	ArrayCheckBounds (int ndim, const int dims, const int lb)

bool	ArrayCheckBoundsSafe (int ndim, const int dims, const int lb, struct Node *escontext)

void	mda_get_range (int n, int span, const int st, const int *endp)

void	mda_get_prod (int n, const int range, int prod)

void	mda_get_offset_values (int n, int dist, const int prod, const int *span)

int	mda_next_tuple (int n, int curr, const int span)

int32 *	ArrayGetIntegerTypmods (ArrayType arr, int n)

◆ ArrayCheckBounds()

void ArrayCheckBounds	(	int	ndim,
const int *	dims,
const int *	lb
)

Definition at line 117 of file arrayutils.c.

118{

120}

bool ArrayCheckBoundsSafe(int ndim, const int *dims, const int *lb, struct Node *escontext)

References ArrayCheckBoundsSafe().

Referenced by array_cat(), array_fill_internal(), array_recv(), array_set_element(), array_set_element_expanded(), array_set_slice(), construct_md_array(), ExecEvalArrayExpr(), and makeArrayResultArr().

◆ ArrayCheckBoundsSafe()

bool ArrayCheckBoundsSafe	(	int	ndim,
const int *	dims,
const int *	lb,
struct Node *	escontext
)

Definition at line 127 of file arrayutils.c.

129{

130 int i;

131

132 for (i = 0; i < ndim; i++)

133 {

134

136

138 ereturn(escontext, false,

139 (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),

140 errmsg("array lower bound is too large: %d",

141 lb[i])));

142 }

143

144 return true;

145}

#define PG_USED_FOR_ASSERTS_ONLY

int errcode(int sqlerrcode)

int errmsg(const char *fmt,...)

#define ereturn(context, dummy_value,...)

static bool pg_add_s32_overflow(int32 a, int32 b, int32 *result)

References ereturn, errcode(), errmsg(), i, pg_add_s32_overflow(), and PG_USED_FOR_ASSERTS_ONLY.

Referenced by ArrayCheckBounds().

◆ ArrayGetIntegerTypmods()

Definition at line 233 of file arrayutils.c.

234{

236 Datum *elem_values;

237 int i;

238

241 (errcode(ERRCODE_ARRAY_ELEMENT_ERROR),

242 errmsg("typmod array must be type cstring[]")));

243

246 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),

247 errmsg("typmod array must be one-dimensional")));

248

251 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),

252 errmsg("typmod array must not contain nulls")));

253

255

257

258 for (i = 0; i < *n; i++)

260

261 pfree(elem_values);

262

263 return result;

264}

bool array_contains_nulls(ArrayType *array)

void deconstruct_array_builtin(ArrayType *array, Oid elmtype, Datum **elemsp, bool **nullsp, int *nelemsp)

#define ereport(elevel,...)

void pfree(void *pointer)

int32 pg_strtoint32(const char *s)

static char * DatumGetCString(Datum X)

References ARR_ELEMTYPE, ARR_NDIM, array_contains_nulls(), DatumGetCString(), deconstruct_array_builtin(), ereport, errcode(), errmsg(), ERROR, i, palloc(), pfree(), and pg_strtoint32().

Referenced by anybit_typmodin(), anychar_typmodin(), anytime_typmodin(), anytimestamp_typmodin(), intervaltypmodin(), and numerictypmodin().

◆ ArrayGetNItems()

int ArrayGetNItems	(	int	ndim,
const int *	dims
)

Definition at line 57 of file arrayutils.c.

58{

60}

int ArrayGetNItemsSafe(int ndim, const int *dims, struct Node *escontext)

References ArrayGetNItemsSafe().

Referenced by _arrq_cons(), _lca(), _lt_q_regex(), _ltree_compress(), accumArrayResultArr(), array_cardinality(), array_cat(), array_cmp(), array_contain_compare(), array_contains_nulls(), array_create_iterator(), array_eq(), array_fill_internal(), array_get_slice(), array_insert_slice(), array_iterator(), array_map(), array_out(), array_recv(), array_replace_internal(), array_send(), array_set_element(), array_set_element_expanded(), array_set_slice(), array_slice_size(), array_to_json_internal(), array_to_jsonb_internal(), array_to_text_internal(), array_unnest(), arrq_cons(), clause_is_strict_for(), construct_md_array(), convert_saop_to_hashed_saop_walker(), count_nulls(), deconstruct_array(), do_set_block_offsets(), EA_get_flat_size(), estimate_array_length(), ExecEvalArrayExpr(), ExecEvalHashedScalarArrayOp(), ExecEvalScalarArrayOp(), get_text_array_contents(), getWeights(), hash_array(), hash_array_extended(), is_strict_saop(), lt_q_regex(), makeArrayResultArr(), pg_isolation_test_session_is_blocked(), predicate_classify(), sanity_check_tid_array(), width_bucket_array_fixed(), width_bucket_array_float8(), and width_bucket_array_variable().

◆ ArrayGetNItemsSafe()

int ArrayGetNItemsSafe	(	int	ndim,
const int *	dims,
struct Node *	escontext
)

Definition at line 67 of file arrayutils.c.

68{

70 int i;

72 if (ndim <= 0)

73 return 0;

74 ret = 1;

75 for (i = 0; i < ndim; i++)

76 {

80 if (dims[i] < 0)

82 (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),

83 errmsg("array size exceeds the maximum allowed (%d)",

88 ret = (int32) prod;

89 if ((int64) ret != prod)

91 (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),

92 errmsg("array size exceeds the maximum allowed (%d)",

94 }

98 (errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),

99 errmsg("array size exceeds the maximum allowed (%d)",

101 return (int) ret;

102}

Assert(PointerIsAligned(start, uint64))

References Assert(), ereturn, errcode(), errmsg(), i, and MaxArraySize.

Referenced by ArrayGetNItems().

◆ ArrayGetOffset()

int ArrayGetOffset	(	int	n,
const int *	dim,
const int *	lb,
const int *	indx
)

◆ mda_get_offset_values()

void mda_get_offset_values	(	int	n,
int *	dist,
const int *	prod,
const int *	span
)

◆ mda_get_prod()

void mda_get_prod	(	int	n,
const int *	range,
int *	prod
)

◆ mda_get_range()

void mda_get_range	(	int	n,
int *	span,
const int *	st,
const int *	endp
)

◆ mda_next_tuple()

int mda_next_tuple	(	int	n,
int *	curr,
const int *	span
)

Definition at line 208 of file arrayutils.c.

209{

210 int i;

211

212 if (n <= 0)

213 return -1;

214

215 curr[n - 1] = (curr[n - 1] + 1) % span[n - 1];

216 for (i = n - 1; i && curr[i] == 0; i--)

217 curr[i - 1] = (curr[i - 1] + 1) % span[i - 1];

218

219 if (i)

220 return i;

221 if (curr[0])

222 return 0;

223

224 return -1;

225}

References i.

Referenced by array_extract_slice(), array_insert_slice(), and array_slice_size().