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2026-10-24 14:41:40

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PostgreSQL/build_rdbms_01/Readme.md
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@@ -48,6 +48,7 @@ The orchestrator runs the installers in this order:
11. pgvector
12. HypoPG
13. pg_hint_plan
14. wal2json
After a successful run, the orchestrator:
@@ -76,6 +77,7 @@ Each component can also be installed independently. The PostgreSQL installation
./install_pgvector.sh --version 18.6
./install_hypopg.sh --version 18.6
./install_pg_hint_plan.sh --version 18.6
./install_wal2json.sh --version 18.6
```
Each installer also accepts `-v 18.6` and the previous positional form (`./install_pg_cron.sh 18.6`). The all-in-one orchestrator passes its complete `--version` value to every component installer.
@@ -169,6 +171,10 @@ Builds and installs HypoPG against the selected PostgreSQL installation. Create
Builds and installs the pg_hint_plan tag matching the PostgreSQL major version when available. Create it in each database where it will be used with `CREATE EXTENSION pg_hint_plan`.
### `install_wal2json.sh`
Builds and installs wal2json as a PostgreSQL logical decoding output plugin. It does not use `CREATE EXTENSION` or require `shared_preload_libraries`; configure PostgreSQL with `wal_level = logical` and restart the server before creating a logical replication slot that uses the `wal2json` plugin.
### `install_common.sh`
Shared helper functions used by the installers, including:
@@ -201,6 +207,7 @@ The following environment variables can override defaults:
| `PGVECTOR_TAG` | Latest release/tag | pgvector source tag |
| `HYPOPG_TAG` | Latest release/tag | HypoPG source tag |
| `PG_HINT_PLAN_TAG` | PostgreSQL-major-compatible tag | pg_hint_plan source tag |
| `WAL2JSON_TAG` | Latest release/tag | wal2json source tag |
Repository variables can also be overridden when using a custom mirror:
@@ -214,6 +221,7 @@ PG_STAT_MONITOR_REPOSITORY=owner/repository
PGVECTOR_REPOSITORY=owner/repository
HYPOPG_REPOSITORY=owner/repository
PG_HINT_PLAN_REPOSITORY=owner/repository
WAL2JSON_REPOSITORY=owner/repository
```
Example:
@@ -233,7 +241,7 @@ When `CONFIG_FILE` is supplied, the orchestrator adds the modules and extensions
shared_preload_libraries = 'pg_cron,timescaledb,pgaudit,pg_stat_statements,pg_stat_monitor,passwordcheck'
```
`pg_repack`, pgvector, HypoPG, and `set_user` do not require `shared_preload_libraries`. `auto_explain` and pg_hint_plan can be loaded per session or configured for server startup; they are not added automatically. `passwordcheck` and `auto_explain` are PostgreSQL contrib modules (not SQL extensions), and `pg_stat_activity` is a built-in PostgreSQL system view.
`pg_repack`, pgvector, HypoPG, `set_user`, and wal2json do not require `shared_preload_libraries`. `auto_explain` and pg_hint_plan can be loaded per session or configured for server startup; they are not added automatically. wal2json is a logical decoding output plugin and requires `wal_level = logical` plus a server restart before use. `passwordcheck` and `auto_explain` are PostgreSQL contrib modules (not SQL extensions), and `pg_stat_activity` is a built-in PostgreSQL system view.
## Prerequisites
@@ -276,7 +284,8 @@ ls \
/app/postgres/rdbms/18.6/lib/pg_stat_monitor.so \
/app/postgres/rdbms/18.6/lib/auto_explain.so \
/app/postgres/rdbms/18.6/lib/hypopg.so \
/app/postgres/rdbms/18.6/lib/pg_hint_plan.so
/app/postgres/rdbms/18.6/lib/pg_hint_plan.so \
/app/postgres/rdbms/18.6/lib/wal2json.so
```
The extension SQL objects still need to be created in each target database with PostgreSQL's `CREATE EXTENSION` command.