Method create_array

test/src/unit-capi-string.cc:80–153

Create a simple dense 1D array with three string attributes

// Create a simple dense 1D array with three string attributes
void StringFx::create_array(const std::string& array_name) {
  // Create dimensions
  uint64_t dim_domain[] = {1, 4};
  uint64_t tile_extent = 2;
  tiledb_dimension_t* d1;
  int rc = tiledb_dimension_alloc(
      ctx_, "d1", TILEDB_UINT64, &dim_domain[0], &tile_extent, &d1);
  REQUIRE(rc == TILEDB_OK);

  // Create domain
  tiledb_domain_t* domain;
  rc = tiledb_domain_alloc(ctx_, &domain);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_domain_add_dimension(ctx_, domain, d1);
  REQUIRE(rc == TILEDB_OK);

  // Create fixed-sized UTF-8 attribute
  tiledb_attribute_t* a1;
  rc = tiledb_attribute_alloc(ctx_, "a1", TILEDB_STRING_ASCII, &a1);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_attribute_set_cell_val_num(ctx_, a1, 2);
  REQUIRE(rc == TILEDB_OK);

  // Create variable-sized UTF-8 attribute
  tiledb_attribute_t* a2;
  rc = tiledb_attribute_alloc(ctx_, "a2", TILEDB_STRING_UTF8, &a2);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_attribute_set_cell_val_num(ctx_, a2, TILEDB_VAR_NUM);
  REQUIRE(rc == TILEDB_OK);
  rc = set_attribute_compression_filter(ctx_, a2, TILEDB_FILTER_GZIP, -1);
  REQUIRE(rc == TILEDB_OK);

  // Create variable-sized UTF-16 attribute
  tiledb_attribute_t* a3;
  rc = tiledb_attribute_alloc(ctx_, "a3", TILEDB_STRING_UTF16, &a3);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_attribute_set_cell_val_num(ctx_, a3, TILEDB_VAR_NUM);
  REQUIRE(rc == TILEDB_OK);
  rc = set_attribute_compression_filter(ctx_, a3, TILEDB_FILTER_ZSTD, -1);
  REQUIRE(rc == TILEDB_OK);

  // Create array schema
  tiledb_array_schema_t* array_schema;
  rc = tiledb_array_schema_alloc(ctx_, TILEDB_DENSE, &array_schema);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_array_schema_set_cell_order(ctx_, array_schema, TILEDB_ROW_MAJOR);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_array_schema_set_tile_order(ctx_, array_schema, TILEDB_ROW_MAJOR);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_array_schema_set_domain(ctx_, array_schema, domain);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_array_schema_add_attribute(ctx_, array_schema, a1);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_array_schema_add_attribute(ctx_, array_schema, a2);
  REQUIRE(rc == TILEDB_OK);
  rc = tiledb_array_schema_add_attribute(ctx_, array_schema, a3);
  REQUIRE(rc == TILEDB_OK);