LCOV - code coverage report
Current view: top level - src/test/modules/test_copy_callbacks - test_copy_callbacks.c (source / functions) Coverage Total Hit
Test: PostgreSQL 20devel Lines: 100.0 % 13 13
Test Date: 2026-07-25 22:15:46 Functions: 100.0 % 4 4
Legend: Lines:     hit not hit
Branches: + taken - not taken # not executed
Branches: 50.0 % 4 2

             Branch data     Line data    Source code
       1                 :             : /*--------------------------------------------------------------------------
       2                 :             :  *
       3                 :             :  * test_copy_callbacks.c
       4                 :             :  *      Code for testing COPY callbacks.
       5                 :             :  *
       6                 :             :  * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
       7                 :             :  * Portions Copyright (c) 1994, Regents of the University of California
       8                 :             :  *
       9                 :             :  * IDENTIFICATION
      10                 :             :  *      src/test/modules/test_copy_callbacks/test_copy_callbacks.c
      11                 :             :  *
      12                 :             :  * -------------------------------------------------------------------------
      13                 :             :  */
      14                 :             : 
      15                 :             : #include "postgres.h"
      16                 :             : 
      17                 :             : #include "access/table.h"
      18                 :             : #include "commands/copy.h"
      19                 :             : #include "fmgr.h"
      20                 :             : #include "utils/rel.h"
      21                 :             : 
      22                 :           1 : PG_MODULE_MAGIC;
      23                 :             : 
      24                 :             : static void
      25                 :           3 : to_cb(void *data, int len)
      26                 :             : {
      27         [ +  - ]:           3 :     ereport(NOTICE,
      28                 :             :             (errmsg("COPY TO callback called with data \"%s\" and length %d",
      29                 :             :                     (char *) data, len)));
      30                 :           3 : }
      31                 :             : 
      32                 :           2 : PG_FUNCTION_INFO_V1(test_copy_to_callback);
      33                 :             : Datum
      34                 :           1 : test_copy_to_callback(PG_FUNCTION_ARGS)
      35                 :             : {
      36                 :           1 :     Relation    rel = table_open(PG_GETARG_OID(0), AccessShareLock);
      37                 :             :     CopyToState cstate;
      38                 :             :     int64       processed;
      39                 :             : 
      40                 :           1 :     cstate = BeginCopyTo(NULL, rel, NULL, RelationGetRelid(rel), NULL, false,
      41                 :             :                          to_cb, NIL, NIL);
      42                 :           1 :     processed = DoCopyTo(cstate);
      43                 :           1 :     EndCopyTo(cstate);
      44                 :             : 
      45         [ +  - ]:           1 :     ereport(NOTICE, (errmsg("COPY TO callback has processed %" PRId64 " rows",
      46                 :             :                             processed)));
      47                 :             : 
      48                 :           1 :     table_close(rel, NoLock);
      49                 :             : 
      50                 :           1 :     PG_RETURN_VOID();
      51                 :             : }
        

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