blob: 7b8947ea13f7330532627786d8435a1dbdcf8395 [file]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include "paimon/core/schema/schema_validation.h"
#include <algorithm>
#include <cassert>
#include <functional>
#include <map>
#include <optional>
#include <set>
#include <sstream>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include "arrow/type.h"
#include "fmt/format.h"
#include "fmt/ranges.h"
#include "paimon/common/data/blob_utils.h"
#include "paimon/common/data/shredding/map_shared_shredding_utils.h"
#include "paimon/common/data/variant/variant_type_utils.h"
#include "paimon/common/table/special_fields.h"
#include "paimon/common/types/data_field.h"
#include "paimon/common/utils/checked_cast.h"
#include "paimon/common/utils/object_utils.h"
#include "paimon/common/utils/preconditions.h"
#include "paimon/common/utils/string_utils.h"
#include "paimon/core/core_options.h"
#include "paimon/core/options/changelog_producer.h"
#include "paimon/core/options/expire_config.h"
#include "paimon/core/options/map_storage_layout.h"
#include "paimon/core/options/merge_engine.h"
#include "paimon/core/schema/arrow_schema_validator.h"
#include "paimon/core/schema/table_schema.h"
#include "paimon/core/table/bucket_mode.h"
#include "paimon/defs.h"
#include "paimon/result.h"
namespace paimon {
namespace {
bool ContainsBlobField(const std::shared_ptr<arrow::Field>& field) {
if (BlobUtils::IsBlobField(field)) {
return true;
}
const std::shared_ptr<arrow::DataType>& type = field->type();
if (type->id() == arrow::Type::STRUCT) {
for (const auto& child : type->fields()) {
if (ContainsBlobField(child)) {
return true;
}
}
} else if (type->id() == arrow::Type::LIST) {
return ContainsBlobField(type->fields().front());
} else if (type->id() == arrow::Type::MAP) {
const auto& map_type = checked_cast<const arrow::MapType&>(*type);
return ContainsBlobField(map_type.key_field()) || ContainsBlobField(map_type.item_field());
}
return false;
}
Status ValidateSharedShreddingCompression(const std::string& option_key,
const std::string& compression) {
std::string normalized = StringUtils::ToLowerCase(compression);
if (normalized != "none" && normalized != "lz4" && normalized != "zstd") {
return Status::Invalid(fmt::format(
"MAP shared-shredding only supports none/lz4/zstd compression, but {} is {}.",
option_key, compression));
}
return Status::OK();
}
Status ValidateSharedShreddingFileFormat(const std::string& option_key,
const std::string& file_format) {
std::string normalized = StringUtils::ToLowerCase(file_format);
if (normalized != "parquet" && normalized != "orc") {
return Status::Invalid(fmt::format(
"MAP shared-shredding only supports parquet/orc file formats, but {} is {}.",
option_key, file_format));
}
return Status::OK();
}
Status ValidatePerLevelOption(
const std::map<std::string, std::string>& options, const std::string& option_key,
const std::function<Status(const std::string&, const std::string&)>& validator) {
auto it = options.find(option_key);
if (it == options.end() || it->second.empty()) {
return Status::OK();
}
auto entries = StringUtils::Split(it->second, std::string(","));
for (const std::string& entry : entries) {
auto level_and_value = StringUtils::Split(entry, std::string(":"));
if (level_and_value.size() == 2) {
PAIMON_RETURN_NOT_OK(
validator(option_key + "." + level_and_value[0], level_and_value[1]));
}
}
return Status::OK();
}
} // namespace
bool SchemaValidation::IsComplexType(const std::shared_ptr<arrow::Field>& field) {
arrow::Type::type arrow_type_id = field->type()->id();
return (arrow_type_id == arrow::Type::TIMESTAMP || arrow_type_id == arrow::Type::DECIMAL128 ||
BlobUtils::IsBlobField(field));
}
Status SchemaValidation::ValidateTableSchema(const TableSchema& schema) {
const auto& field_names = schema.FieldNames();
PAIMON_RETURN_NOT_OK(ValidateNoDuplicateField(schema.BucketKeys(), "bucket key"));
PAIMON_RETURN_NOT_OK(ValidateNoDuplicateField(schema.PrimaryKeys(), "primary key"));
PAIMON_RETURN_NOT_OK(ValidateNoDuplicateField(schema.PartitionKeys(), "partition key"));
PAIMON_RETURN_NOT_OK(
Preconditions::CheckState(ObjectUtils::ContainsAll(field_names, schema.PartitionKeys()),
"Table column {} should include all partition fields {}",
field_names, schema.PartitionKeys()));
PAIMON_RETURN_NOT_OK(
Preconditions::CheckState(ObjectUtils::ContainsAll(field_names, schema.PrimaryKeys()),
"Table column {} should include all primary key constraint {}",
field_names, schema.PrimaryKeys()));
PAIMON_RETURN_NOT_OK(
ValidateOnlyContainPrimitiveType(schema.Fields(), schema.PrimaryKeys(), "primary key"));
PAIMON_RETURN_NOT_OK(
ValidateOnlyContainPrimitiveType(schema.Fields(), schema.PartitionKeys(), "partition"));
// TODO(lisizhuo.lsz): C++ Paimon do not support timestamp & decimal & float & double type in
// partition keys for now.
PAIMON_RETURN_NOT_OK(ValidateNotContainSpecificType(schema.Fields(), schema.PartitionKeys()));
PAIMON_ASSIGN_OR_RAISE(CoreOptions options, CoreOptions::FromMap(schema.Options()));
PAIMON_RETURN_NOT_OK(ValidateBucket(schema, options));
// PAIMON_RETURN_NOT_OK(ValidateDefaultValues(schema));
// PAIMON_RETURN_NOT_OK(ValidateStartupMode(options));
PAIMON_RETURN_NOT_OK(ValidateFieldsPrefix(schema, options));
PAIMON_RETURN_NOT_OK(ValidateSequenceField(schema, options));
PAIMON_RETURN_NOT_OK(ValidateSequenceGroup(schema, options));
ChangelogProducer changelog_producer = options.GetChangelogProducer();
if (schema.PrimaryKeys().empty() && changelog_producer != ChangelogProducer::NONE) {
return Status::Invalid(
fmt::format("Can not set {} on table without primary keys, please define primary keys.",
Options::CHANGELOG_PRODUCER));
}
PAIMON_RETURN_NOT_OK(ValidateChangelogProducer(options));
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
options.GetExpireConfig().GetSnapshotRetainMin() > 0,
std::string(Options::SNAPSHOT_NUM_RETAINED_MIN) + " should be at least 1"));
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
options.GetExpireConfig().GetSnapshotRetainMin() <=
options.GetExpireConfig().GetSnapshotRetainMax(),
std::string(Options::SNAPSHOT_NUM_RETAINED_MIN) + " should not be larger than " +
std::string(Options::SNAPSHOT_NUM_RETAINED_MAX)));
// TODO(yonghao.fyh): check changelog num retain
// TODO(yonghao.fyh): support file format validate data fields
for (const auto& field_name : field_names) {
if (SpecialFields::IsSystemField(field_name)) {
return Status::Invalid(
fmt::format("field name '{}' in schema cannot be special field.", field_name));
}
}
// TODO(yonghao.fyh): check streaming read overwrite
// TODO(yonghao.fyh): check 'partition.expiration-time'
// TODO(yonghao.fyh): check 'rowkind.field'
if (options.DeletionVectorsEnabled()) {
PAIMON_RETURN_NOT_OK(ValidateForDeletionVectors(options));
}
PAIMON_RETURN_NOT_OK(ValidateRowTracking(schema, options));
PAIMON_RETURN_NOT_OK(ValidateBlobFields(schema, options));
PAIMON_RETURN_NOT_OK(ValidateMapStorageLayout(schema, options));
return Status::OK();
}
Status SchemaValidation::ValidateNoDuplicateField(const std::vector<std::string>& field_names,
const std::string& error_message_intro) {
auto duplicate_field_names = ObjectUtils::DuplicateItems(field_names);
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
duplicate_field_names.empty(),
fmt::format("{} [{}] must not contain duplicate fields. Found: [{}]", error_message_intro,
fmt::join(field_names, ", "), fmt::join(duplicate_field_names, ", "))));
return Status::OK();
}
Status SchemaValidation::ValidateOnlyContainPrimitiveType(
const std::vector<DataField>& fields, const std::vector<std::string>& field_names,
const std::string& error_message_intro) {
if (field_names.empty()) {
return Status::OK();
}
std::unordered_map<std::string, std::shared_ptr<arrow::DataType>> fields_map;
for (const auto& field : fields) {
fields_map[field.Name()] = field.Type();
}
for (const auto& field_name : field_names) {
auto it = fields_map.find(field_name);
if (it != fields_map.end()) {
auto data_type = it->second;
if (ArrowSchemaValidator::IsNestedType(data_type)) {
return Status::Invalid(fmt::format("The type {} in {} field {} is unsupported",
data_type->ToString(), error_message_intro,
it->first));
}
} else {
assert(false);
return Status::Invalid(
fmt::format("unexpected error, field {} not found in fields map", field_name));
}
}
return Status::OK();
}
Status SchemaValidation::ValidateNotContainSpecificType(
const std::vector<DataField>& fields, const std::vector<std::string>& field_names) {
if (field_names.empty()) {
return Status::OK();
}
std::unordered_map<std::string, std::shared_ptr<arrow::Field>> fields_map;
for (const auto& field : fields) {
fields_map[field.Name()] = field.ArrowField();
}
for (const auto& field_name : field_names) {
auto it = fields_map.find(field_name);
if (it != fields_map.end()) {
auto field = it->second;
if (IsComplexType(field)) {
return Status::Invalid(
fmt::format("partition field {} cannot be TIMESTAMP/DECIMAL/BLOB", field_name));
}
if (field->type()->id() == arrow::Type::FLOAT ||
field->type()->id() == arrow::Type::DOUBLE) {
return Status::Invalid(
fmt::format("partition field {} cannot be FLOAT/DOUBLE", field_name));
}
} else {
assert(false);
return Status::Invalid(fmt::format(
"unexpected error, partition field {} not found in schema", field_name));
}
}
return Status::OK();
}
bool SchemaValidation::IsPostponeBucketTable(const TableSchema& schema, int32_t bucket) {
return !schema.PrimaryKeys().empty() && bucket == BucketModeDefine::POSTPONE_BUCKET;
}
Status SchemaValidation::ValidateBucket(const TableSchema& schema, const CoreOptions& options) {
int32_t bucket = options.GetBucket();
if (bucket == -1) {
if (options.ToMap().count(Options::BUCKET_KEY)) {
return Status::Invalid(
fmt::format("Cannot define '{}' with bucket -1, please specify a bucket number.",
Options::BUCKET_KEY));
}
if (schema.PrimaryKeys().empty() &&
options.ToMap().count("full-compaction.delta-commits")) {
return Status::Invalid(
"AppendOnlyTable of unware or dynamic bucket does not support "
"'full-compaction.delta-commits'");
}
} else if (bucket < 1 && !IsPostponeBucketTable(schema, bucket)) {
return Status::Invalid("The number of buckets needs to be greater than 0.");
} else {
if (schema.CrossPartitionUpdate()) {
return Status::Invalid(fmt::format(
"You should use dynamic bucket (bucket = -1) mode in cross partition update case "
"(Primary key constraint '{}' not include all partition fields '{}').",
fmt::join(schema.PrimaryKeys(), ", "), fmt::join(schema.PartitionKeys(), ", ")));
}
if (schema.PrimaryKeys().empty() && schema.BucketKeys().empty()) {
return Status::Invalid("You should define a 'bucket-key' for bucketed append mode.");
}
if (!schema.BucketKeys().empty()) {
std::vector<std::string> bucket_keys = schema.BucketKeys();
std::vector<std::string> nested_fields;
for (const auto& field : schema.Fields()) {
if (std::find(bucket_keys.begin(), bucket_keys.end(), field.Name()) !=
bucket_keys.end() &&
ArrowSchemaValidator::IsNestedType(field.Type())) {
nested_fields.push_back(field.Name());
}
}
if (!nested_fields.empty()) {
return Status::Invalid(fmt::format(
"Nested type cannot be in bucket-key, in your table these keys are: {}",
fmt::join(nested_fields, ", ")));
}
}
}
return Status::OK();
}
Status SchemaValidation::ValidateChangelogProducer(const CoreOptions& options) {
return Preconditions::CheckState(options.GetChangelogProducer() == ChangelogProducer::NONE,
"C++ Paimon does not support changelog-producer yet. Please "
"keep changelog-producer as 'none'.");
}
Status SchemaValidation::ValidateForDeletionVectors(const CoreOptions& options) {
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
options.GetChangelogProducer() == ChangelogProducer::NONE ||
options.GetChangelogProducer() == ChangelogProducer::INPUT ||
options.GetChangelogProducer() == ChangelogProducer::LOOKUP,
"Deletion vectors mode is only supported for NONE/INPUT/LOOKUP changelog producer now."));
return Preconditions::CheckState(
options.GetMergeEngine() != MergeEngine::FIRST_ROW,
"First row merge engine does not need deletion vectors because there is "
"no deletion of old data in this merge engine.");
}
Status SchemaValidation::ValidateSequenceGroup(const TableSchema& schema,
const CoreOptions& options) {
std::unordered_map<std::string, std::set<std::string>> fields2_group;
auto sequence_groups_map = options.GetFieldsSequenceGroups();
const std::vector<std::string>& field_names = schema.FieldNames();
for (const auto& [k, v] : sequence_groups_map) {
std::vector<std::string> sequence_field_names =
StringUtils::Split(k, Options::FIELDS_SEPARATOR);
for (const auto& sequence_field_name : sequence_field_names) {
if (std::find(field_names.begin(), field_names.end(), sequence_field_name) ==
field_names.end()) {
return Status::Invalid(
fmt::format("The sequence field group: {} can not be found in table schema.",
sequence_field_name));
}
}
for (const auto& field : StringUtils::Split(v, Options::FIELDS_SEPARATOR)) {
if (std::find(field_names.begin(), field_names.end(), field) == field_names.end()) {
return Status::Invalid(
fmt::format("Field {} can not be found in table schema.", field));
}
if (fields2_group.count(field)) {
std::vector<std::vector<std::string>> sequence_groups;
sequence_groups.emplace_back(fields2_group[field].begin(),
fields2_group[field].end());
sequence_groups.push_back(sequence_field_names);
std::ostringstream sequence_groups_msg;
for (const auto& group : sequence_groups) {
sequence_groups_msg << "{";
for (const auto& group_field : group) {
sequence_groups_msg << group_field << " ";
}
sequence_groups_msg << "} ";
}
return Status::Invalid(
fmt::format("Field {} is defined repeatedly by multiple groups: {}.", field,
sequence_groups_msg.str()));
}
fields2_group[field].insert(sequence_field_names.begin(), sequence_field_names.end());
}
}
std::set<std::string> illegal_group;
for (const auto& group : fields2_group) {
for (const auto& field : group.second) {
PAIMON_ASSIGN_OR_RAISE(std::optional<std::string> agg_func,
options.GetFieldAggFunc(field));
if (agg_func) {
illegal_group.insert(field);
}
}
}
if (!illegal_group.empty()) {
std::ostringstream illegal_group_msg;
illegal_group_msg << "Should not define aggregation function on sequence group: ";
for (const auto& field : illegal_group) {
illegal_group_msg << field << " ";
}
return Status::Invalid(illegal_group_msg.str());
}
return Status::OK();
}
Status SchemaValidation::ValidateSequenceField(const TableSchema& schema,
const CoreOptions& options) {
std::vector<std::string> sequence_field = options.GetSequenceField();
if (!sequence_field.empty()) {
// Create field count map
std::unordered_map<std::string, int> field_count;
for (const auto& field : sequence_field) {
field_count[field]++;
}
const auto& field_names = schema.FieldNames();
for (const auto& field : sequence_field) {
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
std::find(field_names.begin(), field_names.end(), field) != field_names.end(),
fmt::format("Sequence field: '{}' cannot be found in table schema.", field)));
PAIMON_ASSIGN_OR_RAISE(std::optional<std::string> agg_func,
options.GetFieldAggFunc(field));
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
agg_func == std::nullopt,
fmt::format("Should not define aggregation on sequence field: '{}'.", field)));
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
field_count[field] == 1, "Sequence field '" + field + "' is defined repeatedly."));
}
// Check for FIRST_ROW merge engine
if (options.GetMergeEngine() == MergeEngine::FIRST_ROW) {
return Status::Invalid(
"Do not support using sequence field on FIRST_ROW merge engine.");
}
// Check for cross partition update
if (schema.CrossPartitionUpdate()) {
return Status::Invalid(fmt::format(
"You cannot use sequence.field in cross partition update case (Primary "
"key constraint '{}' not including all partition fields '{}').",
fmt::join(schema.PrimaryKeys(), ", "), fmt::join(schema.PartitionKeys(), ", ")));
}
}
return Status::OK();
}
Status SchemaValidation::ValidateFieldsPrefix(const TableSchema& schema,
const CoreOptions& options) {
const auto& field_names = schema.FieldNames();
const auto& options_map = options.ToMap();
for (const auto& [k, v] : options_map) {
if (StringUtils::StartsWith(k, Options::FIELDS_PREFIX)) {
std::vector<std::string> cols = StringUtils::Split(k, ".");
if (cols.size() < 2) {
return Status::Invalid("invalid options key " + k);
}
std::vector<std::string> fields =
StringUtils::Split(cols[1], Options::FIELDS_SEPARATOR);
for (const auto& field : fields) {
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
Options::DEFAULT_AGG_FUNCTION == field ||
std::find(field_names.begin(), field_names.end(), field) !=
field_names.end(),
"Field " + field + " can not be found in table schema."));
}
}
}
return Status::OK();
}
Status SchemaValidation::ValidateRowTracking(const TableSchema& table_schema,
const CoreOptions& options) {
bool row_tracking_enabled = options.RowTrackingEnabled();
if (row_tracking_enabled) {
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
options.GetBucket() == -1,
"Cannot define {} for row tracking table, it only support bucket = -1",
Options::BUCKET));
PAIMON_RETURN_NOT_OK(
Preconditions::CheckState(table_schema.PrimaryKeys().empty(),
"Cannot define primary key for row tracking table"));
}
if (options.DataEvolutionEnabled()) {
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
row_tracking_enabled, "Data evolution config must enabled with row-tracking.enabled"));
}
std::vector<std::string> blob_names;
for (const auto& field : table_schema.Fields()) {
if (BlobUtils::IsBlobField(field.ArrowField())) {
blob_names.push_back(field.Name());
}
}
if (!blob_names.empty()) {
// Validate blob fields cannot be partition keys
for (const auto& blob_field_name : blob_names) {
if (std::find(table_schema.PartitionKeys().begin(), table_schema.PartitionKeys().end(),
blob_field_name) != table_schema.PartitionKeys().end()) {
return Status::Invalid(
fmt::format("Blob field {} cannot be a partition key.", blob_field_name));
}
}
// Validate data evolution must be enabled when blob-field is configured
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
options.DataEvolutionEnabled(),
"Data evolution config must be enabled for table with BLOB type column."));
PAIMON_RETURN_NOT_OK(Preconditions::CheckState(
table_schema.Fields().size() > blob_names.size(),
"Table with BLOB type column must have other normal columns."));
}
return Status::OK();
}
Status SchemaValidation::ValidateBlobFields(const TableSchema& schema, const CoreOptions& options) {
const auto& configured_blob_names = options.GetBlobFields();
const auto& blob_descriptor_names = options.GetBlobDescriptorFields();
const auto& blob_view_names = options.GetBlobViewFields();
if (configured_blob_names.empty() && blob_descriptor_names.empty() && blob_view_names.empty()) {
return Status::OK();
}
auto validate_blob_fields = [&](const std::vector<std::string>& field_names,
const std::string& option_key) -> Status {
if (field_names.empty()) {
return Status::OK();
}
PAIMON_RETURN_NOT_OK(ValidateNoDuplicateField(field_names, option_key));
PAIMON_ASSIGN_OR_RAISE(std::vector<DataField> blob_fields, schema.GetFields(field_names));
for (const auto& blob_field : blob_fields) {
if (!BlobUtils::IsBlobField(blob_field.ArrowField())) {
return Status::Invalid(
fmt::format("Field '{}' in '{}' must be a BLOB field in table schema.",
blob_field.Name(), option_key));
}
}
return Status::OK();
};
PAIMON_RETURN_NOT_OK(validate_blob_fields(configured_blob_names, Options::BLOB_FIELD));
PAIMON_RETURN_NOT_OK(
validate_blob_fields(blob_descriptor_names, Options::BLOB_DESCRIPTOR_FIELD));
PAIMON_RETURN_NOT_OK(validate_blob_fields(blob_view_names, Options::BLOB_VIEW_FIELD));
std::set<std::string> blob_descriptor_name_set(blob_descriptor_names.begin(),
blob_descriptor_names.end());
for (const auto& blob_view_name : blob_view_names) {
if (blob_descriptor_name_set.count(blob_view_name) > 0) {
return Status::Invalid(fmt::format("Field '{}' in '{}' can not also be in '{}'.",
blob_view_name, Options::BLOB_VIEW_FIELD,
Options::BLOB_DESCRIPTOR_FIELD));
}
}
return Status::OK();
}
Status SchemaValidation::ValidateMapStorageLayout(const TableSchema& schema,
const CoreOptions& options) {
// Extract all field names that have map.storage-layout configured from options
const std::string layout_suffix = std::string(".") + std::string(Options::MAP_STORAGE_LAYOUT);
const auto& options_map = options.ToMap();
std::unordered_map<std::string, std::shared_ptr<arrow::DataType>> schema_fields;
for (const auto& field : schema.Fields()) {
schema_fields[field.Name()] = field.Type();
}
std::string fields_prefix_str = std::string(Options::FIELDS_PREFIX);
bool has_shared_shredding = false;
for (const auto& [key, value] : options_map) {
if (!StringUtils::StartsWith(key, fields_prefix_str)) {
continue;
}
if (!StringUtils::EndsWith(key, layout_suffix)) {
continue;
}
// key = "fields.<field_name>.map.storage-layout"
// Extract field_name: skip "fields." prefix and ".map.storage-layout" suffix
std::string field_name =
key.substr(fields_prefix_str.size() + 1,
key.size() - fields_prefix_str.size() - 1 - layout_suffix.size());
// Check field exists in schema
auto it = schema_fields.find(field_name);
if (it == schema_fields.end()) {
return Status::Invalid(
fmt::format("Column '{}' is configured with map.storage-layout "
"but does not exist in table schema.",
field_name));
}
// Any column configured with map.storage-layout must be a MAP type
const auto& field_type = it->second;
if (field_type->id() != arrow::Type::MAP) {
return Status::Invalid(
fmt::format("Column '{}' is configured with map.storage-layout "
"but its type is not MAP.",
field_name));
}
PAIMON_ASSIGN_OR_RAISE(MapStorageLayout layout, options.GetMapStorageLayout(field_name));
if (layout != MapStorageLayout::SHARED_SHREDDING) {
continue;
}
has_shared_shredding = true;
for (const auto& field : schema.Fields()) {
if (VariantTypeUtils::ContainsVariantField(field.ArrowField())) {
return Status::Invalid(
"MAP shared-shredding currently cannot be used with Variant fields.");
}
}
// Column configured with shared-shredding must be MAP<STRING, T>
if (!MapSharedShreddingUtils::IsShreddingKeyMap(field_type)) {
return Status::Invalid(
fmt::format("Column '{}' is configured with map.storage-layout=shared-shredding "
"but its type is not MAP<STRING NOT NULL, T>.",
field_name));
}
auto map_type = checked_pointer_cast<arrow::MapType>(field_type);
if (map_type->key_field()->nullable()) {
return Status::Invalid(
fmt::format("Column '{}' is configured with map.storage-layout=shared-shredding "
"but its map key type is nullable.",
field_name));
}
if (ContainsBlobField(map_type->item_field())) {
return Status::Invalid("MAP shared-shredding currently cannot contain BLOB fields.");
}
// Validate max-columns config
PAIMON_RETURN_NOT_OK(options.GetMapSharedShreddingMaxColumns(field_name));
// Validate placement policy config
PAIMON_RETURN_NOT_OK(options.GetMapSharedShreddingColumnPlacementPolicy(field_name));
}
if (!has_shared_shredding) {
return Status::OK();
}
if (IsPostponeBucketTable(schema, options.GetBucket())) {
return Status::Invalid(
"MAP shared-shredding currently does not support postpone bucket mode.");
}
PAIMON_RETURN_NOT_OK(ValidateSharedShreddingFileFormat(Options::FILE_FORMAT,
options.GetFileFormat()->Identifier()));
PAIMON_RETURN_NOT_OK(ValidatePerLevelOption(options_map, Options::FILE_FORMAT_PER_LEVEL,
ValidateSharedShreddingFileFormat));
PAIMON_RETURN_NOT_OK(ValidateSharedShreddingCompression(Options::FILE_COMPRESSION,
options.GetFileCompression()));
PAIMON_RETURN_NOT_OK(ValidatePerLevelOption(options_map, Options::FILE_COMPRESSION_PER_LEVEL,
ValidateSharedShreddingCompression));
return Status::OK();
}
} // namespace paimon