airborne12 commented on code in PR #67918:
URL: https://github.com/apache/doris/pull/67918#discussion_r4065251713
##########
fe/fe-core/src/main/java/org/apache/doris/analysis/invertedindex/AnalyzerIdentityBuilder.java:
##########
@@ -150,47 +204,207 @@ private static String
buildIdentityFromPolicyProperties(IndexPolicyTypeEnum type
* Resolve a component (tokenizer) to its identity.
*/
private static String resolveComponentIdentity(String name,
IndexPolicyTypeEnum expectedType) {
+ return resolveComponentIdentity(name, expectedType, false);
+ }
+
+ private static String resolveComponentIdentity(
+ String name, IndexPolicyTypeEnum expectedType, boolean
lowercaseDownstream) {
if (Strings.isNullOrEmpty(name)) {
return "";
}
- // Check if it's a built-in component
- if (expectedType == IndexPolicyTypeEnum.TOKENIZER
- && IndexPolicy.BUILTIN_TOKENIZERS.contains(name)) {
- return name;
- }
-
- // For custom component, get its properties
+ // Existing named policies take precedence over built-ins for upgrade
compatibility.
try {
Env env = Env.getCurrentEnv();
- if (env == null || env.getIndexPolicyMgr() == null) {
- return name;
+ if (env != null && env.getIndexPolicyMgr() != null) {
+ IndexPolicy policy =
env.getIndexPolicyMgr().getPolicyByName(name);
+ if (policy != null && policy.getType() == expectedType) {
+ if (policy.isInvalid()) {
+ return "invalid-policy:" + policy.getId() + ":" +
policy.getName();
+ }
+ Map<String, String> props = policy.getProperties();
+ if (props != null && !props.isEmpty()) {
+ TreeMap<String, String> sortedProps = new
TreeMap<>(props);
+ String type = sortedProps.get(IndexPolicy.PROP_TYPE);
+ String normalizedType =
normalizeBuiltinComponentName(type, expectedType);
+ if (normalizedType != null) {
+ if ("empty".equals(normalizedType)) {
+ return "";
+ }
+ sortedProps.put(IndexPolicy.PROP_TYPE,
normalizedType);
+ canonicalizeEffectiveComponentProperties(
+ sortedProps, normalizedType, expectedType);
+ if (sortedProps.size() == 1) {
+ return normalizedType;
+ }
+ }
+ if (expectedType == IndexPolicyTypeEnum.TOKENIZER
+ &&
"ngram".equals(sortedProps.get(IndexPolicy.PROP_TYPE))) {
+ // This setting only limits policy creation; it
does not change emitted tokens.
+ sortedProps.remove(PROP_MAX_NGRAM_DIFF);
+ }
+ if (expectedType == IndexPolicyTypeEnum.CHAR_FILTER
+ &&
"char_replace".equals(sortedProps.get(IndexPolicy.PROP_TYPE))) {
+ String replacement =
sortedProps.getOrDefault("replacement", " ");
+ String pattern = canonicalizeCharReplacePattern(
+ sortedProps.get("pattern"), replacement,
lowercaseDownstream);
+ if (pattern.isEmpty()) {
+ return "";
+ }
+ sortedProps.put("pattern", pattern);
+ sortedProps.put("replacement", replacement);
+ }
+ if (normalizedType != null && sortedProps.size() == 1)
{
+ return normalizedType;
+ }
+ return sortedProps.toString();
+ }
+ }
+ }
+ } catch (RuntimeException e) {
+ // Fall through to built-in resolution or the original name.
+ }
+
+ String normalizedName = normalizeBuiltinComponentName(name,
expectedType);
+ return "empty".equals(normalizedName) ? "" : normalizedName == null ?
name : normalizedName;
+ }
+
+ private static void canonicalizeEffectiveComponentProperties(
+ TreeMap<String, String> properties, String type,
IndexPolicyTypeEnum expectedType) {
+ if ("pinyin".equals(type)) {
+ removeBooleanDefaults(properties, true,
+ "keep_first_letter", "keep_full_pinyin",
"keep_none_chinese",
+ "keep_none_chinese_together",
"keep_none_chinese_in_first_letter",
+ "lowercase", "trim_whitespace", "ignore_pinyin_offset",
+ "none_chinese_pinyin_tokenize");
+ removeBooleanDefaults(properties, false,
+ "keep_separate_first_letter", "keep_joined_full_pinyin",
"keep_original",
+ "keep_none_chinese_in_joined_full_pinyin",
"remove_duplicated_term",
+ "fixed_pinyin_offset", "keep_separate_chinese");
+ removeIntegerDefault(properties, "limit_first_letter_length", 16);
+ return;
+ }
+
+ if (expectedType == IndexPolicyTypeEnum.TOKEN_FILTER) {
+ if ("asciifolding".equals(type)) {
+ removeBooleanDefaults(properties, false, "preserve_original");
+ } else if ("word_delimiter".equals(type)) {
+ removeBooleanDefaults(properties, true, "generate_word_parts",
"generate_number_parts",
+ "split_on_case_change", "split_on_numerics",
"stem_english_possessive");
+ removeBooleanDefaults(properties, false, "catenate_words",
"catenate_numbers",
+ "catenate_all", "preserve_original");
+ } else if ("icu_normalizer".equals(type)) {
+ canonicalizeIcuNormalizerDefaults(properties, false);
}
+ return;
+ }
- IndexPolicy policy = env.getIndexPolicyMgr().getPolicyByName(name);
- if (policy == null || policy.getType() != expectedType) {
- return name;
+ if (expectedType == IndexPolicyTypeEnum.CHAR_FILTER) {
+ if ("icu_normalizer".equals(type)) {
+ canonicalizeIcuNormalizerDefaults(properties, true);
}
- if (policy.isInvalid()) {
- return "invalid-policy:" + policy.getId() + ":" +
policy.getName();
+ return;
+ }
+
+ if (expectedType != IndexPolicyTypeEnum.TOKENIZER) {
+ return;
+ }
+ switch (type) {
+ case "ngram":
+ removeIntegerDefault(properties, "min_gram", 1);
+ removeIntegerDefault(properties, "max_gram", 2);
+ break;
+ case "edge_ngram":
+ removeIntegerDefault(properties, "min_gram", 1);
+ removeIntegerDefault(properties, "max_gram", 2);
+ break;
+ case "standard":
+ case "char_group":
+ removeIntegerDefault(properties, "max_token_length", 255);
+ break;
+ case "keyword":
+ removeIntegerDefault(properties, "buffer_size", 256);
+ break;
+ case "basic":
+ removeStringDefault(properties, "extra_chars", "");
+ break;
+ default:
+ break;
+ }
+ }
+
+ private static void removeBooleanDefaults(
+ TreeMap<String, String> properties, boolean defaultValue,
String... keys) {
+ for (String key : keys) {
+ String value = properties.get(key);
+ if (value == null || !("true".equalsIgnoreCase(value) ||
"false".equalsIgnoreCase(value))) {
+ continue;
}
+ boolean parsed = Boolean.parseBoolean(value);
+ if (parsed == defaultValue) {
+ properties.remove(key);
+ } else {
+ properties.put(key, Boolean.toString(parsed));
+ }
+ }
+ }
- Map<String, String> props = policy.getProperties();
- if (props == null || props.isEmpty()) {
- return name;
+ private static void removeIntegerDefault(
+ TreeMap<String, String> properties, String key, int defaultValue) {
+ String value = properties.get(key);
+ if (value == null) {
+ return;
+ }
+ try {
+ int parsed = Integer.parseInt(value);
+ if (parsed == defaultValue) {
+ properties.remove(key);
+ } else {
+ properties.put(key, Integer.toString(parsed));
}
+ } catch (NumberFormatException e) {
+ // Invalid policies keep their original identity.
+ }
+ }
- // Build identity from sorted properties
- TreeMap<String, String> sortedProps = new TreeMap<>(props);
- if (expectedType == IndexPolicyTypeEnum.TOKENIZER
- && "ngram".equals(sortedProps.get(IndexPolicy.PROP_TYPE)))
{
- // This setting only limits policy creation; it does not
change emitted tokens.
- sortedProps.remove(PROP_MAX_NGRAM_DIFF);
+ private static void canonicalizeIcuNormalizerDefaults(
+ TreeMap<String, String> properties, boolean hasMode) {
+ String name = properties.get("name");
+ if (name != null) {
+ String normalizedName = name.trim().toLowerCase(Locale.ROOT);
+ if ("nfkc_cf".equals(normalizedName)) {
+ properties.remove("name");
+ } else {
+ properties.put("name", normalizedName);
}
- return sortedProps.toString();
- } catch (RuntimeException e) {
- return name;
}
+ removeStringDefault(properties, "unicode_set_filter", "");
Review Comment:
Fixed in 31450230. Analyzer identity now parses `unicode_set_filter`,
removes parsed-empty sets, and serializes non-empty sets with
`UnicodeSet.toPattern(false)`, so `[]` matches an omitted filter and `[ab]`
matches `[ba]`. Added identity and duplicate-validation coverage.
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