akune commented on code in PR #14603:
URL: https://github.com/apache/iceberg/pull/14603#discussion_r2548700826
##########
core/src/main/java/org/apache/iceberg/jdbc/JdbcCatalog.java:
##########
@@ -264,6 +261,71 @@ private void updateSchemaIfRequired() {
}
}
+ private boolean isOracle(Connection conn) {
+ try {
+ String databaseProductName = conn.getMetaData().getDatabaseProductName();
+ return databaseProductName != null
+ && databaseProductName.toLowerCase(Locale.ROOT).contains("oracle");
+ } catch (SQLException e) {
+ throw new UncheckedSQLException(e, "Cannot determine database product
name");
+ }
+ }
+
+ private boolean tableExists(Connection conn, String tableNamePattern) throws
SQLException {
+ DatabaseMetaData dbMeta = conn.getMetaData();
+
+ String[] tableVariants =
+ new String[] {
+ tableNamePattern,
+ tableNamePattern == null ? null :
tableNamePattern.toUpperCase(Locale.ROOT),
+ tableNamePattern == null ? null :
tableNamePattern.toLowerCase(Locale.ROOT)
Review Comment:
I wanted this method to be as flexible as possible, but I agree this is -
again - overthinking it.
I adapted the method.
To retain some flexibility it now converts to both lower and upper cases and
ignores the original case.
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