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Wiki / Configuration Parameters

jit_expressions

Determines whether expressions are JIT compiled, when JIT compilation is activated (see Section 30.2). The default is on.

English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.

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boot val
on
category
Developer Options
context
user
doc same as
Unknown
documented
true
enumvals
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extra desc
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lang
en
max val
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metadata version
18
min val
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jit_expressions
short desc
Allow JIT compilation of expressions.
source
pg-settings-source-snapshot
unit
Unknown
vartype
bool

Definition PG 18

Determines whether expressions are JIT compiled, when JIT compilation is activated (see Section 30.2). The default is on.

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Complete source facts

doc html

<p>
        Determines whether expressions are JIT compiled, when JIT compilation
        is activated (see <a class="xref" href="/docs/18/jit-decision.html" title="30.2. When to JIT?">Section 30.2</a>).  The default is
        <code class="literal">on</code>.
       </p>

documentation revision

{"inputs":[{"file":"runtime-config-developer.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"a3f6a107ed6ba4edaf6df03e52f4a469bd09350d545e4ff419e62844025ec1cf","version":"18.7"},{"file":"runtime-config-developer.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"e7e22aa5738a1d376b84af1adca796c5e14746266733f925eb50c3ef86a50655","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:0add4cbb72c9179b790c1e4dd0ed01465c3bddee2b28afdf4bcd98b75d897049

Text language: en · wiki-repair-20261023:0add4cbb72c9179b790c1e4dd0ed01465c3bddee2b28afdf4bcd98b75d897049