pg_pltemplate

存储过程语言实现细节的系统表

此条目涉及一个 PostgreSQL 功能，该功能已弃用，并可能在未来的版本中不再支持。

pg_pltemplate 是一个系统目录表，用于存储过程语言的实现细节。

pg_pltemplate 在 PostgreSQL 8.1 中添加，并在 PostgreSQL 13 中移除。

该表在集群的所有数据库之间共享。

pg_pltemplate (PostgreSQL 12)

              Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Collation | Nullable | Default 
---------------+-----------+-----------+----------+---------
 tmplname      | name      |           | not null | 
 tmpltrusted   | boolean   |           | not null | 
 tmpldbacreate | boolean   |           | not null | 
 tmplhandler   | text      | C         | not null | 
 tmplinline    | text      | C         |          | 
 tmplvalidator | text      | C         |          | 
 tmpllibrary   | text      | C         | not null | 
 tmplacl       | aclitem[] |           |          | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 11)

              Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Collation | Nullable | Default 
---------------+-----------+-----------+----------+---------
 tmplname      | name      |           | not null | 
 tmpltrusted   | boolean   |           | not null | 
 tmpldbacreate | boolean   |           | not null | 
 tmplhandler   | text      |           | not null | 
 tmplinline    | text      |           |          | 
 tmplvalidator | text      |           |          | 
 tmpllibrary   | text      |           | not null | 
 tmplacl       | aclitem[] |           |          | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 10)

              Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Collation | Nullable | Default 
---------------+-----------+-----------+----------+---------
 tmplname      | name      |           | not null | 
 tmpltrusted   | boolean   |           | not null | 
 tmpldbacreate | boolean   |           | not null | 
 tmplhandler   | text      |           | not null | 
 tmplinline    | text      |           |          | 
 tmplvalidator | text      |           |          | 
 tmpllibrary   | text      |           | not null | 
 tmplacl       | aclitem[] |           |          | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.6)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | not null
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | not null
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.5)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | not null
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | not null
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.4)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.3)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.2)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.1)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 9.0)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplinline    | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 8.4)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 8.3)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmpldbacreate | boolean   | not null
 tmplhandler   | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

pg_pltemplate (PostgreSQL 8.2)

   Table "pg_catalog.pg_pltemplate"
    Column     |   Type    | Modifiers 
---------------+-----------+-----------
 tmplname      | name      | not null
 tmpltrusted   | boolean   | not null
 tmplhandler   | text      | 
 tmplvalidator | text      | 
 tmpllibrary   | text      | 
 tmplacl       | aclitem[] | 
Indexes:
    "pg_pltemplate_name_index" UNIQUE, btree (tmplname), tablespace "pg_global"
Tablespace: "pg_global"

文档: pg_pltemplate

变更历史

PostgreSQL 13
- 在引入“受信任扩展”概念后被移除（提交 50fc694e，pgsql-hackers 讨论串：“移除 pg_pltemplate 并创建“可信”扩展”）
PostgreSQL 9.5
- 列 tmplhandler 和 tmpllibrary 设置为 NOT NULL（提交 82a532b3）
PostgreSQL 9.0
- 添加了列 tmplinline（提交 9048b731）
PostgreSQL 8.3
- 添加了列 tmpldbacreate（提交 55a7cf80）
PostgreSQL 8.1
- 添加（提交 48123de7）

示例

PostgreSQL 12 中 PL/pgSQL 的 pg_pltemplate 条目

postgres=# SELECT * FROM pg_pltemplate WHERE tmplname='plpgsql';
-[ RECORD 1 ]-+-----------------------
tmplname      | plpgsql
tmpltrusted   | t
tmpldbacreate | t
tmplhandler   | plpgsql_call_handler
tmplinline    | plpgsql_inline_handler
tmplvalidator | plpgsql_validator
tmpllibrary   | $libdir/plpgsql
tmplacl       |

参考资料

PostgreSQL 12 文档: pg_pltemplate

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目录

pg_pltemplate

pg_pltemplate (PostgreSQL 12)

pg_pltemplate (PostgreSQL 11)

pg_pltemplate (PostgreSQL 10)

pg_pltemplate (PostgreSQL 9.6)

pg_pltemplate (PostgreSQL 9.5)

pg_pltemplate (PostgreSQL 9.4)

pg_pltemplate (PostgreSQL 9.3)

pg_pltemplate (PostgreSQL 9.2)

pg_pltemplate (PostgreSQL 9.1)

pg_pltemplate (PostgreSQL 9.0)

pg_pltemplate (PostgreSQL 8.4)

pg_pltemplate (PostgreSQL 8.3)

pg_pltemplate (PostgreSQL 8.2)

变更历史

示例

参考资料

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