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| author | Bruce Momjian <bruce@momjian.us> | 2023-11-24 14:36:00 -0500 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2023-11-24 14:36:00 -0500 |
| commit | 48b5aa31437a161356fb8ec820b81b7b67cf04c2 (patch) | |
| tree | 5d4979cd18751633dd8074bdf2c5fa8d9097e9ca | |
| parent | d053a879bb360fb72c46de2a013e741d3f7c9e8d (diff) | |
| download | postgresql-48b5aa31437a161356fb8ec820b81b7b67cf04c2.tar.gz postgresql-48b5aa31437a161356fb8ec820b81b7b67cf04c2.zip | |
doc: add docs for age(xid) and mxid_age(xid)
Reported-by: David Rowley
Discussion: https://postgr.es/m/CAKJS1f_OQpz7rpe-KJmskVxbU06buiXbfonxG3JLB+nGCJ5E=g@mail.gmail.com
Backpatch-through: 16
| -rw-r--r-- | doc/src/sgml/func.sgml | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 93f068edcf9..71713f471d7 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -25863,6 +25863,34 @@ SELECT collation for ('foo' COLLATE "de_DE"); <row> <entry role="func_table_entry"><para role="func_signature"> <indexterm> + <primary>age</primary> + </indexterm> + <function>age</function> ( <type>xid</type> ) + <returnvalue>integer</returnvalue> + </para> + <para> + Returns the number of transactions between the supplied + transaction id and the current transaction counter. + </para></entry> + </row> + + <row> + <entry role="func_table_entry"><para role="func_signature"> + <indexterm> + <primary>mxid_age</primary> + </indexterm> + <function>mxid_age</function> ( <type>xid</type> ) + <returnvalue>integer</returnvalue> + </para> + <para> + Returns the number of multixacts IDs between the supplied + multixact ID and the current multixacts counter. + </para></entry> + </row> + + <row> + <entry role="func_table_entry"><para role="func_signature"> + <indexterm> <primary>txid_current</primary> </indexterm> <function>txid_current</function> () |