| 1 | /*------------------------------------------------------------------------- |
| 2 | * |
| 3 | * nodes.c |
| 4 | * support code for nodes (now that we have removed the home-brew |
| 5 | * inheritance system, our support code for nodes is much simpler) |
| 6 | * |
| 7 | * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group |
| 8 | * Portions Copyright (c) 1994, Regents of the University of California |
| 9 | * |
| 10 | * |
| 11 | * IDENTIFICATION |
| 12 | * src/backend/nodes/nodes.c |
| 13 | * |
| 14 | * HISTORY |
| 15 | * Andrew Yu Oct 20, 1994 file creation |
| 16 | * |
| 17 | *------------------------------------------------------------------------- |
| 18 | */ |
| 19 | #include "postgres.h" |
| 20 | |
| 21 | #include "nodes/nodes.h" |
| 22 | |
| 23 | /* |
| 24 | * Support for newNode() macro |
| 25 | * |
| 26 | * In a GCC build there is no need for the global variable newNodeMacroHolder. |
| 27 | * However, we create it anyway, to support the case of a non-GCC-built |
| 28 | * loadable module being loaded into a GCC-built backend. |
| 29 | */ |
| 30 | |
| 31 | Node *newNodeMacroHolder; |
| 32 | |