Wiki / Configuration Parameters
transaction_isolation
This parameter reflects the current transaction's isolation level. At the beginning of each transaction, it is set to the current value of default_transaction_isolation. Any subsequent attempt to change it is equivalent to a SET TRANSACTION command.
English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.
Reading PG 18·Select a recorded version
- boot val
- read committed
- category
- Client Connection Defaults / Statement Behavior
- context
- user
- documented
- true
- enumvals
- serializable, repeatable read, read committed, read uncommitted
- extra desc
- Unknown
- lang
- en
- max val
- Unknown
- metadata version
- 18
- min val
- Unknown
- name
- transaction_isolation
- short desc
- Sets the current transaction's isolation level.
- source
- pg-settings-source-snapshot
- unit
- Unknown
- vartype
- enum
Definition PG 18
This parameter reflects the current transaction's isolation level. At the beginning of each transaction, it is set to the current value of default_transaction_isolation. Any subsequent attempt to change it is equivalent to a SET TRANSACTION command.
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Definition sources
center · PostgreSQL 18 · wiki-repair-20261023:f76d627593a91aa619a1c2ffa338dc4a204c59f2830cb5a77be2c6942deaf6da
Text language: en · wiki-repair-20261023:f76d627593a91aa619a1c2ffa338dc4a204c59f2830cb5a77be2c6942deaf6da