singhpk234 commented on code in PR #1686:
URL: https://github.com/apache/polaris/pull/1686#discussion_r2150878849
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persistence/relational-jdbc/src/main/java/org/apache/polaris/persistence/relational/jdbc/QueryGenerator.java:
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@@ -190,6 +212,35 @@ public static String generateWhereClause(@Nonnull
Map<String, Object> whereClaus
return !whereConditionsString.isEmpty() ? (" WHERE " +
whereConditionsString) : "";
}
+ @VisibleForTesting
+ public static String generateVersionQuery() {
+ return "SELECT version_value FROM POLARIS_SCHEMA.VERSION";
+ }
+
+ @VisibleForTesting
+ public static <T extends PolarisEntity & LocationBasedEntity> String
generateOverlapQuery(
+ String realmId, T entity) {
+ String location = entity.getBaseLocation();
+ String[] components = location.split("/");
+ ArrayList<String> locationClauseComponents = new ArrayList<>();
+ StringBuilder pathBuilder = new StringBuilder();
+ for (String component : components) {
+ pathBuilder.append(component).append("/");
+ locationClauseComponents.add(String.format("location = '%s'",
pathBuilder));
+ }
+ locationClauseComponents.add(String.format("location LIKE '%s%%'",
location));
Review Comment:
I realized this may hamper the index being used for prefix search ?
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