agens-graph - 如何在 AgensGraph 上查找所有标签和图表？

Question

我想迁移 AgnsGraph 的所有图表和标签。

如何在 AgensGraph 上查找所有图形和标签？

AgensGraph 上是否有特殊表格？

Answer 1

使用 AG_GRAPH 和 AG_LABEL 表列出图形和标签

agens=# SELECT GRAPHNAME, GRAPHID, LABID, LABNAME, LABKIND
agens-#   FROM AG_LABEL, PG_DEPEND, AG_GRAPH
agens-#  WHERE GRAPHID = REFOBJID AND OBJID = NSPID
agens-#  ORDER BY GRAPHID, LABID;
 graphname | graphid | labid |  labname  | labkind 
-----------+---------+-------+-----------+---------
 graph1    |   31830 |     1 | ag_vertex | v
 graph1    |   31830 |     2 | ag_edge   | e
 graph1    |   31830 |     3 | v         | v
 graph1    |   31830 |     4 | e         | e
 graph2    |   31863 |     1 | ag_vertex | v
 graph2    |   31863 |     2 | ag_edge   | e
 graph2    |   31863 |     5 | v         | v
 graph2    |   31863 |     6 | e         | e
 graph     |   39226 |     1 | ag_vertex | v
 graph     |   39226 |     2 | ag_edge   | e
 graph     |   39226 |     3 | v         | v
(11 rows)