xuefuz commented on a change in pull request #8404: [FLINK-11476][table] Create
CatalogManager to manage multiple catalogs
URL: https://github.com/apache/flink/pull/8404#discussion_r284928417
##########
File path:
flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/PlanningConfigurationBuilder.java
##########
@@ -129,16 +142,48 @@ public Context getContext() {
}
/**
- * Creates a configured {@link FrameworkConfig} for a planning session.
- *
- * @param defaultSchema the default schema to look for first during
planning
- * @return configured framework config
+ * Returns the SQL parser config for this environment including a
custom Calcite configuration.
*/
- public FrameworkConfig createFrameworkConfig(SchemaPlus defaultSchema) {
+ public SqlParser.Config getSqlParserConfig() {
+ return
JavaScalaConversionUtil.toJava(calciteConfig(tableConfig).sqlParserConfig()).orElseGet(()
->
+ // we use Java lex because back ticks are easier than
double quotes in programming
+ // and cases are preserved
+ SqlParser
+ .configBuilder()
+ .setLex(Lex.JAVA)
+ .build());
+ }
+
+ private CatalogReader createCatalogReader(
+ boolean lenientCaseSensitivity,
+ String currentCatalog,
+ String currentDatabase) {
+ SqlParser.Config sqlParserConfig = getSqlParserConfig();
+ final boolean caseSensitive;
+ if (lenientCaseSensitivity) {
+ caseSensitive = false;
+ } else {
+ caseSensitive = sqlParserConfig.caseSensitive();
+ }
+
+ SqlParser.Config parserConfig =
SqlParser.configBuilder(sqlParserConfig)
+ .setCaseSensitive(caseSensitive)
+ .build();
+
+ return new CatalogReader(
Review comment:
Maybe this is taken care of somewhere else, but I'm wondering how we tell
Calcite to look up in new catalogs that are registered later on in user's
session.
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