baremaps-calcite/src/main/java/org/apache/baremaps/calcite/BaremapsDdlExecutor.java [119:170]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  static SchemaInfo schema(
      CalcitePrepare.Context context, boolean mutable, SqlIdentifier id) {
    final String name;
    final List<String> path;
    if (id.isSimple()) {
      path = context.getDefaultSchemaPath();
      name = id.getSimple();
    } else {
      path = Util.skipLast(id.names);
      name = Util.last(id.names);
    }
    CalciteSchema schema =
        mutable ? context.getMutableRootSchema()
            : context.getRootSchema();
    for (String p : path) {
      @Nullable
      CalciteSchema subSchema = schema.getSubSchema(p, true);
      if (subSchema == null) {
        return new SchemaInfo(name, null);
      }
      schema = subSchema;
    }
    return new SchemaInfo(name, schema);
  }

  /**
   * Returns the SqlValidator with the given {@code context} schema and type factory.
   */
  static SqlValidator validator(CalcitePrepare.Context context,
      boolean mutable) {
    return new ContextSqlValidator(context, mutable);
  }

  /**
   * Wraps a query to rename its columns. Used by CREATE VIEW and CREATE MATERIALIZED VIEW.
   */
  static SqlNode renameColumns(@Nullable SqlNodeList columnList,
      SqlNode query) {
    if (columnList == null) {
      return query;
    }
    final SqlParserPos p = query.getParserPosition();
    final SqlNodeList selectList = SqlNodeList.SINGLETON_STAR;
    final SqlCall from =
        SqlStdOperatorTable.AS.createCall(p,
            ImmutableList.<SqlNode>builder()
                .add(query)
                .add(new SqlIdentifier("_", p))
                .addAll(columnList)
                .build());
    return new SqlSelect(p, null, selectList, from, null, null, null, null,
        null, null, null, null, null);
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



baremaps-calcite/src/main/java/org/apache/baremaps/calcite/postgres/PostgresDdlExecutor.java [147:198]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  static SchemaInfo schema(
      CalcitePrepare.Context context, boolean mutable, SqlIdentifier id) {
    final String name;
    final List<String> path;
    if (id.isSimple()) {
      path = context.getDefaultSchemaPath();
      name = id.getSimple();
    } else {
      path = Util.skipLast(id.names);
      name = Util.last(id.names);
    }
    CalciteSchema schema =
        mutable ? context.getMutableRootSchema()
            : context.getRootSchema();
    for (String p : path) {
      @Nullable
      CalciteSchema subSchema = schema.getSubSchema(p, true);
      if (subSchema == null) {
        return new SchemaInfo(name, null);
      }
      schema = subSchema;
    }
    return new SchemaInfo(name, schema);
  }

  /**
   * Returns the SqlValidator with the given {@code context} schema and type factory.
   */
  static SqlValidator validator(CalcitePrepare.Context context,
      boolean mutable) {
    return new ContextSqlValidator(context, mutable);
  }

  /**
   * Wraps a query to rename its columns. Used by CREATE VIEW and CREATE MATERIALIZED VIEW.
   */
  static SqlNode renameColumns(@Nullable SqlNodeList columnList,
      SqlNode query) {
    if (columnList == null) {
      return query;
    }
    final SqlParserPos p = query.getParserPosition();
    final SqlNodeList selectList = SqlNodeList.SINGLETON_STAR;
    final SqlCall from =
        SqlStdOperatorTable.AS.createCall(p,
            ImmutableList.<SqlNode>builder()
                .add(query)
                .add(new SqlIdentifier("_", p))
                .addAll(columnList)
                .build());
    return new SqlSelect(p, null, selectList, from, null, null, null, null,
        null, null, null, null, null);
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -