统计信息同步 创建统计对象 执行sql “CREATE STATISTICS basic_types_stats ON boolean_col, integer_col, double_col, numeric_col, char_col, timestamp_colFROM basic_types_table;“ 插入数据 1.执行sql “DO $$ DECLARE i INT := 1; BEGIN WHILE i <= 1000 LOOP INSERT INTO basic_types_table (id