git remote add upstream https://gitee.com/mirrors_alibaba/PolarDB-for-PostgreSQL.git

https://gitee.com/mirrors_alibaba/PolarDB-for-PostgreSQL.git

docker run -it
-v $PWD:/home/postgres/polardb_pg
--shm-size=512m --cap-add=SYS_PTRACE --privileged=true
--name polardb_pg_devel
polardb/polardb_pg_devel
bash

CREATE TABLE students (id int, name text) DISTRIBUTED BY (id); CREATE TABLE classes(id int, classname text, student_id int) DISTRIBUTED BY (id); INSERT INTO students VALUES (1, 'steven'), (2, 'changchang'), (3, 'guoguo'); INSERT INTO classes VALUES (1, 'math', 1), (2, 'math', 2), (3, 'physics', 3); SELECT s.name student_name, c.classname FROM students s, classes c WHERE s.id=c.student_id;

gpdb-%Y-%m-%d.csv

call elog_node_display(16, "before 712 root:", root, 1) call elog_node_display(16, "before 712 joinrel:", joinrel, 1) call elog_node_display(16, "before 712 outer_rel:", outer_rel, 1) call elog_node_display(16, "before 712 inner_rel:", inner_rel, 1)

ssh-keygen -t rsa ¨CC ¡°[email protected]¡±

[email protected]:manfuldrifter/test.git

1111 2222 3333 main 444 main 555