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  1. [PATCH v1 6/6] Handle pg_get_triggerdef default args in system_functions.sql

    Mark Wong <markwkm@gmail.com> — 2025-12-09T19:51:39Z

    Modernize pg_get_triggerdef to use CREATE OR REPLACE FUNCTION to handle
    the optional pretty argument.
    ---
     src/backend/catalog/system_functions.sql |  7 +++++++
     src/backend/utils/adt/ruleutils.c        | 14 --------------
     src/include/catalog/pg_proc.dat          |  5 +----
     3 files changed, 8 insertions(+), 18 deletions(-)
    
    diff --git a/src/backend/catalog/system_functions.sql b/src/backend/catalog/system_functions.sql
    index 81d210a9c45..c9c011ea5c1 100644
    --- a/src/backend/catalog/system_functions.sql
    +++ b/src/backend/catalog/system_functions.sql
    @@ -699,6 +699,13 @@ LANGUAGE INTERNAL
     PARALLEL SAFE
     AS 'pg_get_expr';
     
    +CREATE OR REPLACE FUNCTION
    +  pg_get_triggerdef(trigger oid, pretty bool DEFAULT false)
    +RETURNS TEXT
    +LANGUAGE INTERNAL
    +PARALLEL SAFE
    +AS 'pg_get_triggerdef';
    +
     --
     -- The default permissions for functions mean that anyone can execute them.
     -- A number of functions shouldn't be executable by just anyone, but rather
    diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
    index 9effa02fa2e..45a35f823e8 100644
    --- a/src/backend/utils/adt/ruleutils.c
    +++ b/src/backend/utils/adt/ruleutils.c
    @@ -807,20 +807,6 @@ pg_get_viewdef_worker(Oid viewoid, int prettyFlags, int wrapColumn)
      */
     Datum
     pg_get_triggerdef(PG_FUNCTION_ARGS)
    -{
    -	Oid			trigid = PG_GETARG_OID(0);
    -	char	   *res;
    -
    -	res = pg_get_triggerdef_worker(trigid, false);
    -
    -	if (res == NULL)
    -		PG_RETURN_NULL();
    -
    -	PG_RETURN_TEXT_P(string_to_text(res));
    -}
    -
    -Datum
    -pg_get_triggerdef_ext(PG_FUNCTION_ARGS)
     {
     	Oid			trigid = PG_GETARG_OID(0);
     	bool		pretty = PG_GETARG_BOOL(1);
    diff --git a/src/include/catalog/pg_proc.dat b/src/include/catalog/pg_proc.dat
    index 10c5286bd7d..146963c254b 100644
    --- a/src/include/catalog/pg_proc.dat
    +++ b/src/include/catalog/pg_proc.dat
    @@ -3974,9 +3974,6 @@
       proname => 'pg_get_partition_constraintdef', provolatile => 's',
       prorettype => 'text', proargtypes => 'oid',
       prosrc => 'pg_get_partition_constraintdef' },
    -{ oid => '1662', descr => 'trigger description',
    -  proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
    -  proargtypes => 'oid', prosrc => 'pg_get_triggerdef' },
     { oid => '1665', descr => 'name of sequence for a serial column',
       proname => 'pg_get_serial_sequence', provolatile => 's', prorettype => 'text',
       proargtypes => 'text text', prosrc => 'pg_get_serial_sequence' },
    @@ -8535,7 +8532,7 @@
       prosrc => 'pg_timezone_names' },
     { oid => '2730', descr => 'trigger description with pretty-print option',
       proname => 'pg_get_triggerdef', provolatile => 's', prorettype => 'text',
    -  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef_ext' },
    +  proargtypes => 'oid bool', prosrc => 'pg_get_triggerdef' },
     
     # asynchronous notifications
     { oid => '3035',
    -- 
    2.51.2
    
    
    --IRGsBYp1UN8d6WrT--