Here's a small patch to cause pg_dump to emit the

bmomjian · bmomjian · commit 519ad246ae37 · 1999-05-13T02:35:44.000Z
scale and precision for NUMERIC type column defs.

Keith Parks
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
@@ -21,7 +21,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.105 1999/05/10 00:46:18 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.106 1999/05/13 02:35:44 momjian Exp $
  *
  * Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
  *
@@ -2671,6 +2671,10 @@ dumpTables(FILE *fout, TableInfo *tblinfo, int numTables,
 	char			**parentRels;			/* list of names of parent relations */
 	int			numParents;
 	int			actual_atts;			/* number of attrs in this CREATE statment */
+	int32			tmp_typmod;
+	int			precision;
+	int			scale;
+
 
 	/* First - dump SEQUENCEs */
 	if (tablename)
@@ -2749,6 +2753,18 @@ dumpTables(FILE *fout, TableInfo *tblinfo, int numTables,
 									tblinfo[i].atttypmod[j] - VARHDRSZ);
 						}
 					}
+					else if (!strcmp(tblinfo[i].typnames[j], "numeric"))
+					{
+						sprintf(q + strlen(q), "numeric");
+						if (tblinfo[i].atttypmod[j] != -1)
+						{
+							tmp_typmod = tblinfo[i].atttypmod[j] - VARHDRSZ;
+							precision = (tmp_typmod >> 16) & 0xffff;
+							scale     = tmp_typmod & 0xffff;
+							sprintf(q + strlen(q), "(%d,%d)",
+										precision, scale);
+						}
+					}
 					/* char is an internal single-byte data type;
 					 * Let's make sure we force it through with quotes.
 					 * - thomas 1998-12-13
