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to_regrole

Translates a textual role name to its OID. A similar result is obtained by casting the string to type regrole (see Section 8.19); however, this function will return NULL rather than throwing an error if the name is not found.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

Reading PG 18·Select a recorded version

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系统信息函数和操作符
lang
en
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table-new
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functions-info.html
prose only
false

Definition PG 18

Translates a textual role name to its OID. A similar result is obtained by casting the string to type regrole (see Section 8.19); however, this function will return NULL rather than throwing an error if the name is not found.

Signatures and overloads

to_regrole ( text ) → regrole → regrole
Translates a textual role name to its OID. A similar result is obtained by casting the string to type regrole (see Section 8.19); however, this function will return NULL rather than throwing an error if the name is not found.

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Complete source facts

documentation revision

{"inputs":[{"file":"functions-info.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"64499116227a087138bb14f29ff6652b200a176d5df3ce2a089c3d5c226b19b3","version":"18.7"},{"file":"functions-info.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"f9684137c0b9fb17a691c4d905529d114472a507a007c15058f2703962b611d2","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-20261023:99006a55225670eed5e683ac27e0608db2b76a73b50fd135e8e86317f3a09650

Text language: en · wiki-repair-20261023:99006a55225670eed5e683ac27e0608db2b76a73b50fd135e8e86317f3a09650