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[bitnami/postgresql] Introduces environment variable POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION to change the global default transaction isolation level #47819

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Sep 18, 2023
Merged

[bitnami/postgresql] Introduces environment variable POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION to change the global default transaction isolation level #47819

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3581fa3
Introduce environment variable POSTGRESQL_DEFAULT_TRANSACTION_ISOLATI…
Sep 8, 2023
df9866a
fixup: add new environment variable to postgresql-env.sh
Sep 14, 2023
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2 changes: 2 additions & 0 deletions bitnami/postgresql/11/debian-11/rootfs/opt/bitnami/scripts/postgresql-env.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ postgresql_env_vars=(
POSTGRESQL_WAL_LEVEL
POSTGRESQL_DEFAULT_TOAST_COMPRESSION
POSTGRESQL_PASSWORD_ENCRYPTION
POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION
POSTGRESQL_AUTOCTL_CONF_DIR
POSTGRESQL_AUTOCTL_MODE
POSTGRESQL_AUTOCTL_MONITOR_HOST
Expand Down Expand Up @@ -327,6 +328,7 @@ export POSTGRESQL_POSTGRES_CONNECTION_LIMIT="${POSTGRESQL_POSTGRES_CONNECTION_LI
export POSTGRESQL_WAL_LEVEL="${POSTGRESQL_WAL_LEVEL:-replica}"
export POSTGRESQL_DEFAULT_TOAST_COMPRESSION="${POSTGRESQL_DEFAULT_TOAST_COMPRESSION:-}"
export POSTGRESQL_PASSWORD_ENCRYPTION="${POSTGRESQL_PASSWORD_ENCRYPTION:-}"
export POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION="${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}"

# pgAutoFailover settings
export POSTGRESQL_AUTOCTL_VOLUME_DIR="${POSTGRESQL_VOLUME_DIR}/pgautoctl"
Expand Down
4 changes: 4 additions & 0 deletions bitnami/postgresql/11/debian-11/rootfs/opt/bitnami/scripts/postgresql/run.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,10 @@ if [[ -n "${POSTGRESQL_EXTRA_FLAGS:-}" ]]; then
flags+=("${extra_flags[@]}")
fi

if [[ -n "${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}" ]]; then
flags+=("-c" "default_transaction_isolation=$POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION")
fi

flags+=("$@")

cmd=$(command -v postgres)
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2 changes: 2 additions & 0 deletions bitnami/postgresql/12/debian-11/rootfs/opt/bitnami/scripts/postgresql-env.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ postgresql_env_vars=(
POSTGRESQL_WAL_LEVEL
POSTGRESQL_DEFAULT_TOAST_COMPRESSION
POSTGRESQL_PASSWORD_ENCRYPTION
POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION
POSTGRESQL_AUTOCTL_CONF_DIR
POSTGRESQL_AUTOCTL_MODE
POSTGRESQL_AUTOCTL_MONITOR_HOST
Expand Down Expand Up @@ -327,6 +328,7 @@ export POSTGRESQL_POSTGRES_CONNECTION_LIMIT="${POSTGRESQL_POSTGRES_CONNECTION_LI
export POSTGRESQL_WAL_LEVEL="${POSTGRESQL_WAL_LEVEL:-replica}"
export POSTGRESQL_DEFAULT_TOAST_COMPRESSION="${POSTGRESQL_DEFAULT_TOAST_COMPRESSION:-}"
export POSTGRESQL_PASSWORD_ENCRYPTION="${POSTGRESQL_PASSWORD_ENCRYPTION:-}"
export POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION="${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}"

# pgAutoFailover settings
export POSTGRESQL_AUTOCTL_VOLUME_DIR="${POSTGRESQL_VOLUME_DIR}/pgautoctl"
Expand Down
4 changes: 4 additions & 0 deletions bitnami/postgresql/12/debian-11/rootfs/opt/bitnami/scripts/postgresql/run.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,10 @@ if [[ -n "${POSTGRESQL_EXTRA_FLAGS:-}" ]]; then
flags+=("${extra_flags[@]}")
fi

if [[ -n "${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}" ]]; then
flags+=("-c" "default_transaction_isolation=$POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION")
fi

flags+=("$@")

cmd=$(command -v postgres)
Expand Down
2 changes: 2 additions & 0 deletions bitnami/postgresql/13/debian-11/rootfs/opt/bitnami/scripts/postgresql-env.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ postgresql_env_vars=(
POSTGRESQL_WAL_LEVEL
POSTGRESQL_DEFAULT_TOAST_COMPRESSION
POSTGRESQL_PASSWORD_ENCRYPTION
POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION
POSTGRESQL_AUTOCTL_CONF_DIR
POSTGRESQL_AUTOCTL_MODE
POSTGRESQL_AUTOCTL_MONITOR_HOST
Expand Down Expand Up @@ -327,6 +328,7 @@ export POSTGRESQL_POSTGRES_CONNECTION_LIMIT="${POSTGRESQL_POSTGRES_CONNECTION_LI
export POSTGRESQL_WAL_LEVEL="${POSTGRESQL_WAL_LEVEL:-replica}"
export POSTGRESQL_DEFAULT_TOAST_COMPRESSION="${POSTGRESQL_DEFAULT_TOAST_COMPRESSION:-}"
export POSTGRESQL_PASSWORD_ENCRYPTION="${POSTGRESQL_PASSWORD_ENCRYPTION:-}"
export POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION="${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}"

# pgAutoFailover settings
export POSTGRESQL_AUTOCTL_VOLUME_DIR="${POSTGRESQL_VOLUME_DIR}/pgautoctl"
Expand Down
4 changes: 4 additions & 0 deletions bitnami/postgresql/13/debian-11/rootfs/opt/bitnami/scripts/postgresql/run.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,10 @@ if [[ -n "${POSTGRESQL_EXTRA_FLAGS:-}" ]]; then
flags+=("${extra_flags[@]}")
fi

if [[ -n "${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}" ]]; then
flags+=("-c" "default_transaction_isolation=$POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION")
fi

flags+=("$@")

cmd=$(command -v postgres)
Expand Down
2 changes: 2 additions & 0 deletions bitnami/postgresql/14/debian-11/rootfs/opt/bitnami/scripts/postgresql-env.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ postgresql_env_vars=(
POSTGRESQL_WAL_LEVEL
POSTGRESQL_DEFAULT_TOAST_COMPRESSION
POSTGRESQL_PASSWORD_ENCRYPTION
POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION
POSTGRESQL_AUTOCTL_CONF_DIR
POSTGRESQL_AUTOCTL_MODE
POSTGRESQL_AUTOCTL_MONITOR_HOST
Expand Down Expand Up @@ -327,6 +328,7 @@ export POSTGRESQL_POSTGRES_CONNECTION_LIMIT="${POSTGRESQL_POSTGRES_CONNECTION_LI
export POSTGRESQL_WAL_LEVEL="${POSTGRESQL_WAL_LEVEL:-replica}"
export POSTGRESQL_DEFAULT_TOAST_COMPRESSION="${POSTGRESQL_DEFAULT_TOAST_COMPRESSION:-}"
export POSTGRESQL_PASSWORD_ENCRYPTION="${POSTGRESQL_PASSWORD_ENCRYPTION:-}"
export POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION="${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}"

# pgAutoFailover settings
export POSTGRESQL_AUTOCTL_VOLUME_DIR="${POSTGRESQL_VOLUME_DIR}/pgautoctl"
Expand Down
4 changes: 4 additions & 0 deletions bitnami/postgresql/14/debian-11/rootfs/opt/bitnami/scripts/postgresql/run.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,10 @@ if [[ -n "${POSTGRESQL_EXTRA_FLAGS:-}" ]]; then
flags+=("${extra_flags[@]}")
fi

if [[ -n "${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}" ]]; then
flags+=("-c" "default_transaction_isolation=$POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION")
fi

flags+=("$@")

cmd=$(command -v postgres)
Expand Down
2 changes: 2 additions & 0 deletions bitnami/postgresql/15/debian-11/rootfs/opt/bitnami/scripts/postgresql-env.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,7 @@ postgresql_env_vars=(
POSTGRESQL_WAL_LEVEL
POSTGRESQL_DEFAULT_TOAST_COMPRESSION
POSTGRESQL_PASSWORD_ENCRYPTION
POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION
POSTGRESQL_AUTOCTL_CONF_DIR
POSTGRESQL_AUTOCTL_MODE
POSTGRESQL_AUTOCTL_MONITOR_HOST
Expand Down Expand Up @@ -327,6 +328,7 @@ export POSTGRESQL_POSTGRES_CONNECTION_LIMIT="${POSTGRESQL_POSTGRES_CONNECTION_LI
export POSTGRESQL_WAL_LEVEL="${POSTGRESQL_WAL_LEVEL:-replica}"
export POSTGRESQL_DEFAULT_TOAST_COMPRESSION="${POSTGRESQL_DEFAULT_TOAST_COMPRESSION:-}"
export POSTGRESQL_PASSWORD_ENCRYPTION="${POSTGRESQL_PASSWORD_ENCRYPTION:-}"
export POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION="${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}"

# pgAutoFailover settings
export POSTGRESQL_AUTOCTL_VOLUME_DIR="${POSTGRESQL_VOLUME_DIR}/pgautoctl"
Expand Down
4 changes: 4 additions & 0 deletions bitnami/postgresql/15/debian-11/rootfs/opt/bitnami/scripts/postgresql/run.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,10 @@ if [[ -n "${POSTGRESQL_EXTRA_FLAGS:-}" ]]; then
flags+=("${extra_flags[@]}")
fi

if [[ -n "${POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION:-}" ]]; then
flags+=("-c" "default_transaction_isolation=$POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION")
fi

flags+=("$@")

cmd=$(command -v postgres)
Expand Down
8 changes: 8 additions & 0 deletions bitnami/postgresql/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,14 @@ Passing extra command-line flags to the postgresql service command is possible t

* `POSTGRESQL_EXTRA_FLAGS`: Flags to be appended to the `postgres` startup command. No defaults

#### Adjusting the default transaction isolation level

The default transaction isolation level in postgresql is `read committed`, the global default transaction isolation level can be changed using the environment variable `POSTGRESQL_DEFAULT_TRANSACTION_ISOLATION`.

Possible values are: `read uncommitted`, `read committed`, `repeatable read` or `serializable`. For more details consult the documentation for `default_transaction_isolation` in <https://www.postgresql.org/docs/current/runtime-config-client.html>

*Note: Setting `default_transaction_isolation` via `POSTGRESQL_EXTRA_FLAGS` is currently only possible for transaction levels without white spaces in its name.*

### Initializing a new instance

When the container is executed for the first time, it will execute the files with extensions `.sh`, `.sql` and `.sql.gz` located at `/docker-entrypoint-initdb.d`.
Expand Down
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